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WO2012174312A2 - Benzimidazole derivatives as antiviral agents - Google Patents

Benzimidazole derivatives as antiviral agents Download PDF

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Publication number
WO2012174312A2
WO2012174312A2 PCT/US2012/042558 US2012042558W WO2012174312A2 WO 2012174312 A2 WO2012174312 A2 WO 2012174312A2 US 2012042558 W US2012042558 W US 2012042558W WO 2012174312 A2 WO2012174312 A2 WO 2012174312A2
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WO
WIPO (PCT)
Prior art keywords
group
butyl
hydrogen
nitrile
methyl
Prior art date
Application number
PCT/US2012/042558
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French (fr)
Other versions
WO2012174312A3 (en
Inventor
Janos Botyanszki
Scott Howard Dickerson
Martin Robert Leivers
Xiaofei Li
Robert Blount Mcfadyen
Aniko Maria REDMAN
John Bradford SHOTWELL
Jianjun Xue
Original Assignee
Glaxosmithkline Llc
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Application filed by Glaxosmithkline Llc filed Critical Glaxosmithkline Llc
Publication of WO2012174312A2 publication Critical patent/WO2012174312A2/en
Publication of WO2012174312A3 publication Critical patent/WO2012174312A3/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/4427Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
    • A61K31/4439Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/70Carbohydrates; Sugars; Derivatives thereof
    • A61K31/7042Compounds having saccharide radicals and heterocyclic rings
    • A61K31/7052Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides
    • A61K31/7056Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing five-membered rings with nitrogen as a ring hetero atom
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00Medicinal preparations containing peptides
    • A61K38/16Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • A61K38/17Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • A61K38/19Cytokines; Lymphokines; Interferons
    • A61K38/21Interferons [IFN]
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D401/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/04Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D401/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/14Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D405/00Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/14Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D413/00Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/14Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D471/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04Ortho-condensed systems

Definitions

  • HCV hepatitis C virus
  • HCV is a hepacivirus member of the Flaviviridae family of RNA viruses that affect animals and humans.
  • the genome is a single ⁇ 9.6-kilobase strand of RNA, and consists of one open reading frame that encodes for a polyprotein of ⁇ 3000 amino acids flanked by untranslated regions at both 5' and 3' ends (5'- and 3'-UTR).
  • the polyprotein serves as the precursor to at least 10 separate viral proteins critical for replication and assembly of progeny viral particles.
  • HCV polyprotein The organization of structural and non-structural proteins in the HCV polyprotein is as follows: C-E1-E2-p7-NS2-NS3-NS4a-NS4b- NS5a-NS5b. Because the replicative cycle of HCV does not involve any DNA intermediate and the virus is not integrated into the host genome, HCV infection can theoretically be cured. While the pathology of HCV infection affects mainly the liver, the virus is found in other cell types in the body including peripheral blood lymphocytes.
  • HCV is major causative agent for post-transfusion and for sporadic hepatitis.
  • Infection by HCV is insidious in a high proportion of chronically infected (and infectious) carriers who may not experience clinical symptoms for many years.
  • An estimated 170 million chronic carriers worldwide are at risk of developing liver disease. See, for example, Szabo, ef a/. , Pathol. Oncol. Res. 2003, 9:215-221 , and Hoofnagle JH, Hepatology 1997, 26:15S-20S.
  • In the United States alone 2.7 million are chronically infected with HCV, and the number of HCV- related deaths in 2000 was estimated between 8,000 and 10,000, a number that is expected to increase significantly over the next years.
  • IFN- alpha interferon alpha
  • ribavirin the standard treatment for chronic HCV.
  • IFN-alpha belongs to a family of naturally occurring small proteins with characteristic biological effects such as antiviral, immunoregulatory, and antitumoral activities that are produced and secreted by most animal nucleated cells in response to several diseases, in particular viral infections.
  • IFN-alpha is an important regulator of growth and differentiation affecting cellular
  • HCV Hastolic hypertension
  • interferon Treatment of HCV with interferon has frequently been associated with adverse side effects such as fatigue, fever, chills, headache, myalgias, arthralgias, mild alopecia, psychiatric effects and associated disorders, autoimmune
  • Ribavirin an inhibitor of inosine 5'-monophosphate dehydrogenase (IMPDH), enhances the efficacy of IFN-alpha in the treatment of HCV.
  • IFN interferon-alpha
  • ribavirin standard therapy of chronic hepatitis C has been changed to the combination of pegylated IFN-alpha plus ribavirin.
  • a number of patients still have significant side effects, primarily related to ribavirin.
  • Ribavirin causes significant hemolysis in 10-20% of patients treated at currently recommended doses, and the drug is both teratogenic and embryotoxic. Even with recent improvements, a substantial fraction of patients do not respond with a sustained reduction in viral load and there is a clear need for more effective antiviral therapy of HCV infection.
  • a number of approaches are being pursued to combat the virus. These include, for example, application of antisense oligonucleotides or ribozymes for inhibiting HCV replication. Furthermore, low-molecular weight compounds that directly inhibit HCV proteins and interfere with viral replication are considered as attractive strategies to control HCV infection.
  • the viral targets the NS3/4a protease/helicase and the NS5b RNA-dependent RNA polymerase are considered the most promising viral targets for new drugs. Indeed, compounds said to be useful for treating HCV infections are disclosed, for example, in
  • antiviral activity can also be achieved by targeting host cell proteins that are necessary for viral replication.
  • antiviral activity can be achieved by inhibiting host cell cyclophilins.
  • a potent TLR7 agonist has been shown to reduce HCV plasma levels in humans.
  • Flaviviridae family of viruses and further in view of the limited treatment options, there is a strong need for new effective drugs for treating infections cause by these viruses.
  • Z is selected from the group consisting of a bond and a (branched or straight chain) (C C 6 )alkylene;
  • X is selected from the group consisting of hydrogen, (CrC 6 )alkoxy, nitrile, -C(0)R 12 , -C(0)R 14 , -S0 2 R 6 , -S0 2 R 12 , -S0 2 R 14 , -S0 2 R 1 (R 6 ) n , -NHSO 2 R 10 (R 6 ) n ,
  • R 1 is selected from the group consisting of hydrogen, -R 5 R 14 , -C(0)R 9 , -R 5 R 10 ,
  • R 2 is selected from the group consisting of hydrogen, , halo, (d-C 6 )alkyl, (C
  • fused heterocyclic ring having 1 -3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R 6 groups;
  • R 3 is selected from the group consisting of hydrogen, nitrile, halo, and (Ci-C 6 )alkyl;
  • R 4 is selected from the group consisting of hydrogen, (d-C 6 )alkyl, (C CeJalkoxy, nitrile, oxo, -C(0)R 12 , -S0 2 R 9 , -R 9 (R 15 ) n , -OR 7 , -R 2 , and halo;
  • R 5 is a branched or straight chain (d-CeJalkylene
  • R 6 is independently selected from the group consisting of ⁇ C ⁇ rC 6 )a ⁇ ky ⁇ , oxo, (C
  • R 7 is selected from the group consisting of hydrogen and (Ci-C 6 )alkyl
  • R 8 is independently selected from the group consisting of hydrogen, (Ci-C 7 )alkyl, -R 10 ,
  • R 9 is (Ci-C 7 )alkyl
  • R 1 is selected from the group consisting of nitrile, halo, (Ci-C 6 )alkyl, (CrC 6 )alkoxy, and -R 14 R 12 ;
  • R 12 is -N(R 8 ) 2 , wherein each instance of R 8 may be independently and separately
  • R 3 is (C 3 -C 12 )cycloalkyl
  • R 14 is selected from (Ci-C jheterocycle or (CVCi heteroaryl, each having one to three heteroatoms selected from S, N and O;
  • R 15 is halo
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • composition comprising a pharmaceutically acceptable carrier and a therapeutically effective amount of a compound of any of Formulas I, II , III, IV, V, or a pharmaceutically acceptable salt or solvate thereof.
  • a method for treating a viral infection in a patient mediated at least in part by a virus in the Flaviviridae family of viruses comprising administering to said patient a composition comprising a compound of any of Formulas I, II, III, IV, V, or a pharmaceutically acceptable salt or solvate thereof.
  • the viral infection is mediated by hepatitis C virus.
  • Alkyl refers to monovalent saturated aliphatic hydrocarbyl groups having from 1 to 14 carbon atoms and, in some embodiments, from 1 to 6 carbon atoms.
  • (C x .C y )alkyl refers to alkyl groups having from x to y carbon atoms. This term includes, by way of example, linear and branched hydrocarbyl groups such as methyl (CH 3 -), ethyl (CH 3 CH2-), n-propyl
  • Alkylidene or “alkylene” refers to divalent saturated aliphatic hydrocarbyl groups having from 1 to 10 carbon atoms and, in some embodiments, from 1 to 6 carbon atoms.
  • (C u . v )alkylene refers to alkylene groups having from u to v carbon atoms.
  • the alkylidene and alkylene groups include branched and straight chain hydrocarbyl groups.
  • (Ci_ 6 )alkylene is meant to include methylene, ethylene, propylene, 2-methypropylene, pentylene, and so forth.
  • (C x -C y )alkenyl refers to alkenyl groups having from x to y carbon atoms and is meant to include for example, ethenyl, propenyl, isopropylene, 1 ,3-butadienyl, and the like.
  • Alkynyl refers to a linear monovalent hydrocarbon radical or a branched monovalent hydrocarbon radical containing at least one triple bond.
  • alkynyl is also meant to include those hydrocarbyl groups having one triple bond and one double bond.
  • (C 2 -C 6 )alkynyl is meant to include ethynyl, propynyl, and the like.
  • Alkoxy refers to the group -O-alkyl wherein alkyl is defined herein. Alkoxy includes, by way of example, methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, f-butoxy, sec-butoxy, and n-pentoxy.
  • Acyl refers to the groups H-C(O)-, alkyl-C(O)-, alkenyl-C(O)-, alkynyl-C(O)-, cycloalkyl-C(O)-, aryl-C(O)-, heteroaryl-C(O)-, and heterocyclic-C(O)-.
  • Acyl includes the "acetyl” group CH 3 C(0)-.
  • Acylamino refers to the groups -NR 20 C(O)alkyl, -NR 20 C(O)cycloalkyl,
  • R 20 is hydrogen or alkyl
  • Acyloxy refers to the groups alkyl-C(0)0-, alkenyl-C(0)0-, alkynyl-C(0)0-, aryl-C(0)0-, cycloalkyl-C(0)0-, heteroaryl-C(0)0-, and heterocyclic-C(0)0-.
  • Amino refers to the group -NR 21 R 22 where R 2 and R 22 are independently selected from hydrogen, alkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, heterocyclic, -S0 2 -alkyl, -S0 2 -alkenyl, -S0 2 -cycloalkyl, -S0 2 -aryl, -S0 2 -heteroaryl, and -S0 2 -heterocyclic, and wherein R 2 and R 22 are optionally joined together with the nitrogen bound thereto to form a heterocyclic group.
  • R 2 is hydrogen and R 22 is alkyl
  • the amino group is sometimes referred to herein as alkylamino.
  • R 21 and R 22 are alkyl, the amino group is sometimes referred to herein as dialkylamino.
  • a monosubstituted amino it is meant that either R 21 or R 22 is hydrogen but not both.
  • a disubstituted amino it is meant that neither R 21 nor R 22 are hydrogen.
  • Hydroxyamino refers to the group -NHOH.
  • Alkoxyamino refers to the group -NHO-alkyl wherein alkyl is defined herein.
  • Aminocarbonyl refers to the group -C(0)NR 6 R 27 where R 26 and R 27 are independently selected from hydrogen, alkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, heterocyclic, hydroxy, alkoxy, amino, and acylamino, and where R 26 and R 27 are optionally joined together with the nitrogen bound thereto to form a heterocyclic group.
  • Aryl refers to an aromatic group of from 6 to 14 carbon atoms and no ring heteroatoms and having a single ring (e.g., phenyl) or multiple condensed (fused) rings (e.g. , naphthyl or anthryl).
  • a single ring e.g., phenyl
  • multiple condensed (fused) rings e.g. , naphthyl or anthryl.
  • Aryl or “Ar” applies when the point of attachment is at an aromatic carbon atom (e.g., 5,6,7,8
  • tetrahydronaphthalene-2-yl is an aryl group as its point of attachment is at the 2-position of the aromatic phenyl ring).
  • Cycloalkyi refers to a saturated or partially saturated cyclic group of from 3 to
  • cycloalkyi 14 carbon atoms and no ring heteroatoms and having a single ring or multiple rings including fused, bridged, and spiro ring systems.
  • cycloalkyi applies when the point of attachment is at a non-aromatic carbon atom (e.g. 5,6,7,8,-tetrahydronaphthalene-5-yl and 2,3- dihydro-1 H-inden-1-yl).
  • cycloalkyi includes cycloalkenyl groups, such as cyclohexenyl.
  • cycloalkyi groups include, for instance, adamantyl, cyclopropyl, cyclobutyl, cyclohexyl, cyclopentyl, cyclooctyl, cyclopentenyl, and cyclohexenyl.
  • Examples of cycloalkyi groups that include multiple bicycloalkyi ring systems are bicyclohexyl, bicyclopentyl, bicyclooctyl, dihydroindenyl, and the like. Two such bicycloalkyi multiple ring structures are exem lified and named below:
  • (C u .C v )cycloalkyl refers to cycloalkyi groups having u to v carbon atoms.
  • Spiro cycloalkyi refers to a 3 to 10 member cyclic substituent formed by replacement of two hydrogen atoms at a common carbon atom in a cyclic ring structure or in an alkylene group having 2 to 9 carbon atoms, as exemplified by the following structure wherein the group shown here attached to bonds marked with wavy lines is substituted with a spiro cycloalkyi group:
  • Fused cycloalkyi refers to a 3 to 10 member cyclic substituent formed by the replacement of two hydrogen atoms at different carbon atoms in a cycloalkyi ring structure, as exemplified by the following structure wherein the cycloalkyi group shown here contains bonds marked with wavy lines which are bonded to carbon atoms that are substituted with a fused cycloalkyi group:
  • Halo or "halogen” refers to fluoro, chloro, bromo, and iodo.
  • Haloalkoxy refers to substitution of alkoxy groups with 1 to 5 (e.g. when the alkoxy group has at least 2 carbon atoms) or in some embodiments 1 to 3 halo groups (e.g. trifluoromethoxy).
  • Heteroaryl refers to an aromatic group of from 1 to 14 carbon atoms and 1 to 6 heteroatoms selected from oxygen, nitrogen, and sulfur and includes single ring (e.g. imidazolyl) and multiple ring systems (e.g. benzimidazol-2-yl and benzimidazol-6-yl).
  • single ring e.g. imidazolyl
  • multiple ring systems e.g. benzimidazol-2-yl and benzimidazol-6-yl.
  • the term “heteroaryl” applies if there is at least one ring heteroatom and the point of attachment is at an atom of an aromatic ring (e.g.
  • the nitrogen and/or the sulfur ring atom(s) of the heteroaryl group are optionally oxidized to provide for the N-oxide (N ⁇ 0), sulfinyl, or sulfonyl moieties.
  • heteroaryl includes, but is not limited to, pyridyl, furanyl, thienyl, thiazolyl, isothiazolyl, triazolyl, imidazolyl, imidazolinyl, isoxazolyl, pyrrolyl, pyrazolyl, pyridazinyl, pyrimidinyl, purinyl, phthalazyl, naphthylpryidyl, benzofuranyl,
  • Heterocyclic or “heterocycle” or “heterocycloalkyl” or “heterocyclyl” refers to a saturated or partially saturated cyclic group having from 1 to 14 carbon atoms and from 1 to 6 heteroatoms selected from nitrogen, sulfur, phosphorus or oxygen and includes single ring and multiple ring systems including fused, bridged, and spiro ring systems.
  • heterocyclic For multiple ring systems having aromatic and/or non-aromatic rings, the terms “heterocyclic”, “heterocycle”, “heterocycloalkyl”, or “heterocyclyl” apply when there is at least one ring heteroatom and the point of attachment is at an atom of a non-aromatic ring (e.g.
  • the nitrogen, phosphorus and/or sulfur atom(s) of the heterocyclic group are optionally oxidized to provide for the N-oxide, phosphinane oxide, sulfinyl, sulfonyl moieties.
  • the heterocyclyl includes, but is not limited to, tetrahydropyranyl, piperidinyl, piperazinyl, 3-pyrrolidinyl, 2- pyrrolidon-1 -yl, morpholinyl, and pyrrolidinyl.
  • a prefix indicating the number of carbon atoms (e.g. , C3-C10) refers to the total number of carbon atoms in the portion of the heterocyclyl group exclusive of the number of heteroatoms.
  • heterocycle and heteroaryl groups include, but are not limited to, azetidine, pyrrole, imidazole, pyrazole, pyridine, pyrazine, pyrimidine, pyridazine, pyridone, indolizine, isoindole, indole, dihydroindole, indazole, purine, quinolizine, isoquinoline, quinoline, phthalazine, naphthylpyridine, quinoxaline, quinazoline, cinnoline, pteridine, carbazole, carboline, phenanthridine, acridine, phenanthroline, isothiazole, phenazine, isoxazole, phenoxazine, phenothiazine, imidazolidine, imidazoline, piperidine, piperazine, indoline, phthalimide, 1 ,2,3,4-tetra
  • fused heterocyclic refers to a 3 to 10 member cyclic substituent formed by the replacement of two hydrogen atoms at different carbon atoms in a cycloalkyi ring structure, as exemplified by the following structure wherein the cycloalkyi group shown here contains bonds marked with wavy lines which are bonded to carbon atoms that are substituted with a fused heterocyclic group:
  • Compound refers to a compound encompassed by the generic formulae disclosed herein, any subgenus of those generic formulae, and any forms of the compounds within the generic and subgeneric formulae, including the racemates, stereoisomers, and tautomers of the compound or compounds.
  • Oxazolidinone refers to a 5-membered heterocyclic ring containing one nitrogen and one oxygen as heteroatoms and also contains two carbons and is substituted at one of the two carbons by a carbonyl group as exemplified by any of the following structures, wherein the oxazolidinone groups shown here are bonded to a parent molecule, which is indicated by a wavy line in the bond to the parent molecule:
  • Pyrrolidione refers to a 5-membered heterocyclic ring containing one nitrogen as a heteroatom and also contains three carbons and is substituted at one of the three carbons by a carbonyl group as exemplified by any of the following structures, wherein the pyrrolidione group exemplified here is bonded to a parent molecule, which is indicated by a wavy line in the bond to the parent molecule:
  • Racemates refers to a mixture of enantiomers.
  • the compounds of Formula I, II, III, IV or V, or pharmaceutically acceptable salts thereof are enantiomerically enriched with one enantiomer wherein all of the chiral carbons referred to are in one configuration.
  • reference to an enantiomerically enriched compound or salt is meant to indicate that the specified enantiomer will comprise more than 50% by weight of the total weight of all enantiomers of the compound or salt.
  • Solvate or “solvates” of a compound refer to those compounds, as defined above, which are bound to a stoichiometric or non-stoichiometric amount of a solvent.
  • Solvates of a compound includes solvates of all forms of the compound.
  • solvents are volatile, non-toxic, and/or acceptable for administration to humans in trace amounts. Suitable solvates include water.
  • Stereoisomer or “stereoisomers” refer to compounds that differ in the chirality of one or more stereocenters. Stereoisomers include enantiomers and diastereomers.
  • “Pharmaceutically acceptable salt” refers to pharmaceutically acceptable salts derived from a variety of organic and inorganic counter ions well known in the art and include, by way of example only, sodium, potassium, calcium, magnesium, ammonium, and
  • salts of organic or inorganic acids such as hydrochloride, hydrobromide, tartrate, mesylate, acetate, maleate, and oxalate.
  • Suitable salts include those described in P. Heinrich Stahl, Camille G. Wermuth (Eds.), Handbook of Pharmaceutical Salts Properties, Selection, and Use; 2002.
  • Patient refers to mammals and includes humans and non-human mammals.
  • Treating" or “treatment” of a disease in a patient refers to 1 ) preventing the disease from occurring in a patient that is predisposed or does not yet display symptoms of the disease; 2) inhibiting the disease or arresting its development; or 3) ameliorating or causing regression of the disease.
  • substituents that are not explicitly defined herein are arrived at by naming the terminal portion of the functionality followed by the adjacent functionality toward the point of attachment.
  • substituent "arylalkyloxycarbonyl” refers to the group (aryl)-(alkyl)-0-C(0)-.
  • C(R X ) 2 it should be understood that the two R x groups can be the same, or they can be different if R x is defined as having more than one possible identity.
  • certain substituents are drawn as -R x R y , where the "-" indicates a bond adjacent to the parent molecule and R y being the terminal portion of the functionality.
  • impermissible substitution patterns e.g., methyl substituted with 5 fluoro groups. Such impermissible substitution patterns are well known to the skilled artisan.
  • Z is selected from the group consisting of a bond and a (branched or straight chain) (Ci- C 6 )alkylene;
  • X is selected from the group consisting of hydrogen, (CrC 6 )alkoxy, nitrile, -C(0)R 12 , -C(0)R 14 , -S0 2 R 6 , -S0 2 R 12 , -S0 2 R 14 , -S0 2 R 14 (R 6 ) n , -NHSO 2 R 10 (R 6 ) n ,
  • R 1 is selected from the group consisting of hydrogen, -R R 14 , -C(0)R 9 , -R 5 R 10 ,
  • R 2 is selected from the group consisting of hydrogen, , halo, (Ci-C 6 )alkyl, (C C 6 )alkoxy, nitrile, oxo, hydroxyl, -NHR 5 R 14 , -OR 7 , -R 5 R 1 (R 6 ) W , -R 10 R 5 R 14 , -R 2 , - R 14 , -R 10 R 6 , -R 10 (R 6 )n, -S0 2 R 10 , -S0 2 R 12 , -S0 2 R 13 , -S0 2 R , -R 3 R 14 , -R 9 R 10 , - R 10 R 14 , -(R 4 R 12 ), -R 13 R 6 , -R 14 R 6 , -C0 2 R 7 , (C 3 -C 12 )cycloalkyl, and (C 4 -C 14 )aryl, wherein A and Q are independently chosen from
  • fused heterocyclic ring having 1 -3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R 6 groups;
  • R 3 is selected from the group consisting of hydrogen, nitrile, halo, and (C C 6 )alkyl;
  • R 4 is selected from the group consisting of hydrogen, (d-CeJalkyl, (CVCe alkoxy, nitrile, oxo, -C(0)R 12 , -S0 2 R 9 , -R 9 (R 15 ) N , -OR 7 , -R 12 , and halo;
  • R 5 is a branched or straight chain (Ci-C 6 )alkylene
  • R 6 is independently selected from the group consisting of (Ci-C 6 )alkyl, oxo, (C r
  • R 7 is selected from the group consisting of hydrogen and (Ci-C 6 )alkyl
  • R 8 is independently selected from the group consisting of hydrogen, (Ci-C 7 )alkyl, -R 0 ,
  • R 9 is (Ci-C 7 )alkyl
  • R 1 is selected from the group consisting of nitrile, halo, (Ci-C 6 )alkyl, (CrC 6 )alkoxy, and -R 14 R 12 ;
  • R 12 is -N(R 8 ) 2 , wherein each instance of R 8 may be independently and separately
  • R 13 is (C 3 -C 12 )cycloalkyl
  • R 4 is selected from (Ci-Cn)heterocycle or (Ci-Cn)heteroaryl, each having one to three heteroatoms selected from S, N and O;
  • R 5 is halo
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3; and each w is independently zero or an integer from 1 to 3.
  • Z is selected from the group consisting of a bond, methylene, ethylene,
  • X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R 12 ,
  • R 1 is selected from the group consisting of hydrogen, -R 5 R 14 , -R 5 R 10 , -C(0)R 10 ,
  • -C(0)R 14 and -C(0)R 9 ; selected from the group consisting of hydrogen, , methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR 5 R 14 , -OR 7 , -R 9 R 10 , -R 0 R 5 R 14 , -R 12 , -R 4 , -(R 1 ) 2 , - S0 2 R 10 , -S0 2 R 12 , -S0 2 R 13 , -S0 2 R 14 , -C0 2 R 7 , -R 10 R 6 , -R 13 R 14 , -R 10 R 14 , -R 3 R 6 , - R 1 R 6 , -(R 14 R 12 ), cyclopentyl,
  • R 3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl;
  • R 4 is selected from the group consisting of hydrogen, -C(0)R 12 , -S0 2 R 9 , methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
  • R 5 is selected from the group consisting of methylene, ethylene, and propylene
  • R 6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
  • R 7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
  • R 8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
  • propyl isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R 5 R 10 , -R 5 R 13 , -R 10 (R 11 ) M , -R 5 R 14 , and -
  • R 9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
  • R 10 is phenyl
  • R 1 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R 14 R 12 ;
  • R 12 is -N(R 8 ) 2 , wherein each R 8 may be independently chosen from among the R 8
  • R 13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
  • R 4 is selected from the group consisting of morpholinyl, thiomorpholinyl,
  • tetrahydropyranyl imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
  • R 5 is selected from the group consisting of fluoro, chloro, and iodo
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • Z is a bond or methylene
  • X is selected from the group consisting of hydrogen, (Ci-C 6 )alkoxy, nitrile, -C(0)R 12 , -C(0)R 4 , -S0 2 R 6 , -S0 2 R 12 , -S0 2 R 14 , -S0 2 R 1 (R 6 ) n , -NHSO 2 R 0 (R 6 ) n ,
  • R 1 is selected from the group consisting of hydrogen, 5 R 14 , and -C(0)R 9 ;
  • R 2 is selected from the group consisting of hydrogen, , halo, (d-C 6 )alkyl, (C C 6 )alkoxy, nitrile, oxo, hydroxyl, -NH R 5 R 14 , -OR 7 , -R R 14 (R 6 ) W , -R 10 R 5 R 14 , -R 12 , - R 14 , -R 0 R 6 , -R 0 (R 6 )n, -S0 2 R 10 , -S0 2 R 12 , -S0 2 R 13 , -S0 2 R 14 , -R 13 R 14 , -R 9 R 10 , - R i o R i4 .( ⁇ R ⁇ _ R 13 R 6 _ R i R e (c 3 -C 12 )cycloalkyl, and (C 4 -C 14 )aryl, wherein A and Q are independently chosen from -(CH 2 ) W R 10
  • fused heterocyclic ring having 1-3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R 6 groups;
  • R 3 is selected from the group consisting of hydrogen, halo, and (C 1 -C 6 )alkyl;
  • R 4 is selected from the group consisting of hydrogen, (C 1 -C 6 )alkyl, (CrC 6 )alkoxy, nitrile, oxo, -C(0)R 12 , -S0 2 R 9 , -R 9 (R 5 )n, -OR 7 , -R 12 , and halo;
  • R 5 is a branched or straight chain (CrC 6 )alkylene
  • R 6 is independently selected from the group consisting of (CrC 6 )alkyl, oxo, (Cr
  • R 7 is selected from the group consisting of hydrogen and (CrC 6 )alkyl
  • R 8 is independently selected from the group consisting of hydrogen, (CrC 7 )alkyl, -R 0 ,
  • R 9 is (d-CyJalkyl
  • R 0 is (C 4 -C 14 )aryl
  • R 11 is selected from the group consisting of nitrile, halo, (CrC 6 )alkyl, (Ci-C 6 )alkoxy, and -R 14 R 12 ;
  • R 12 is -N(R 8 ) 2 , wherein each instance of R 8 may be independently and separately
  • R 13 is (C 3 -Ci 2 )cycloalkyl
  • R 4 is selected from (Ci-Cn)heterocycle or (d-di)heteroaryl, each having one to three heteroatoms selected from N and O;
  • R 15 is halo
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R 12 ,
  • R is selected from the group consisting of hydrogen, 5 R 14 , and -C(0)R 9 ; selected from the group consisting of hydrogen, , methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR 5 R 14 , -OR 7 , -R 9 R 10 , -R 10 R 5 R 14 , -R 12 , -R 14 , -(R 14 ) 2 , -
  • R 14 R 6 -(R 14 R 12 ), cyclopentyl, dihydroindenyl, and phenyl, wherein A and Q are independently chosen from -(CH 2 ) W R 1Q or -(CH 2 ) w R 14 ;
  • R 3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl
  • R 4 is selected from the group consisting of hydrogen, -C(0)R 12 , -S0 2 R 9 , methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
  • R 5 is selected from the group consisting of methylene, ethylene, and propylene
  • R 6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
  • R 7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
  • R 8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
  • propyl isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R 5 R 10 , -R 5 R 13 , -R 0 (R 1 and -R 5 R 0 (R 1 ) M ;
  • R 9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, hexyl, heptyl, neopentyl, dimethylbutanyl, and dimethylpentanyl;
  • R 0 is phenyl;
  • R 1 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R 14 R 12 ;
  • R 12 is -N(R 8 ) 2 , wherein each R 8 may be independently chosen from among the R 8
  • R 3 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
  • R 4 is selected from the group consisting of morpholinyl, thiomorpholinyl,
  • tetrahydropyranyl imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
  • R 15 is selected from the group consisting of fluoro, chloro, and iodo;
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • Z is a bond or methylene
  • X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R 12 ,
  • R 1 is hydrogen
  • R 2 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR 5 R 14 , -OR 7 , -R 9 R 10 , -R 10 R 5 R 14 , -R 2 , -R 14 , -(R 14 ) 2 , -S0 2 R 10 , - S0 2 R 12 , -S0 2 R 13 , -S0 2 R 14 , -C0 2 R 7 , -R 10 R 6 , -R 3 R 14 , -R 10 R 14 , -R 13 R 6 , -R 14 R 6 , - (R 14 R 12 ), cyclopentyl, dihydroindenyl, and phenyl;
  • R 3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl;
  • R 4 is selected from the group consisting of hydrogen, -C(0)R 12 , -S0 2 R 9 , methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
  • R 5 is selected from the group consisting of methylene, ethylene, and propylene
  • R 6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
  • R 7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
  • R 8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
  • propyl isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R 5 R 10 , -R 5 R 13 , -R 10 (R 11 ) M , and -R 5 R 0 (R 11 ) M ;
  • R 9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
  • R 0 is phenyl
  • R 1 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, and
  • R 2 is -N(R 8 ) 2 , wherein each R 8 may be independently chosen from among the R 8
  • R 3 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
  • R 14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
  • tetrahydropyranyl imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
  • R 5 is selected from the group consisting of fluoro, chloro, and iodo
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R 12 ,
  • R 1 is hydrogen
  • R 2 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR 5 R 14 , -OR 7 , -R 9 R 10 , -R 10 R 5 R 14 , -R 12 , -R 4 , -(R 14 ) 2 , -S0 2 R 10 , - S0 2 R 12 , -S0 2 R 13 , -S0 2 R 14 , -C0 2 R 7 , -R 0 R 6 , -R 3 R 14 , -R 10 R 14 , -R 13 R 6 , -R 14 R 6 , - (R 14 R 12 ), cyclopentyl, dihydroindenyl, and phenyl;
  • R 3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl
  • R 4 is selected from the group consisting of hydrogen, -C(0)R 12 , -S0 2 R 9 , methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
  • R 5 is selected from the group consisting of methylene, ethylene, and propylene
  • R 6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
  • R 7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
  • R 8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
  • propyl isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R 5 R 10 , -R 5 R 13 , -R 0 (R 11 ) , and -R 5 R 10 (R 11 ) M ;
  • R 9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
  • R 10 is phenyl
  • R 11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, and
  • R 2 is -N(R 8 ) 2 , wherein each R 8 may be independently chosen from among the R 8
  • R 13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
  • R 4 is selected from the group consisting of morpholinyl, thiomorpholinyl,
  • tetrahydropyranyl imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
  • R 15 is selected from the group consisting of fluoro, chloro, and iodo;
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • Z is selected from the group consisting of a bond and a (branched or straight chain) (C-i- C 6 )alkylene;
  • X is selected from the group consisting of hydrogen, (d-C 6 )alkoxy, nitrile, -C(0)R 12 , -C(0)R 1 , -S0 2 R 6 , -S0 2 R 12 , -S0 2 R 14 , -S0 2 R 14 (R 6 ) n , -NHSO 2 R 10 (R 6 ) lake,
  • R is selected from the group consisting of hydrogen, 5 R 14 , and -C(0)R 9 ; selected from the group consisting of hydrogen,
  • fused heterocyclic ring having 1-3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R 6 groups;
  • R 4 is selected from the group consisting of hydrogen, (d-C 6 )alkyl, (d-C 6 )alkoxy, nitrile, oxo, -C(0)R 12 , -S0 2 R 9 , -R 9 (R 15 ) lake, -OR 7 , -R 12 , and halo;
  • R 5 is a branched or straight chain (CrC 6 )alkylene
  • R 6 is independently selected from the group consisting of (Ci-C 6 )alkyl, oxo, (d-
  • R 7 is selected from the group consisting of hydrogen and (Ci-C 6 )alkyl
  • R 8 is independently selected from the group consisting of hydrogen, (Ci-C 7 )alkyl, -R 10 ,
  • R 9 is (d-d)alkyl
  • R 0 is (d-C 14 )aryl; selected from the group consisting of nitrile, halo, (Ci-C 6 )alkyl, (CrC 6 )alkoxy, and
  • R 2 is -N(R 8 ) 2 , wherein each instance of R 8 may be independently and separately
  • R 3 is (C 3 -Ci 2 )cycloalkyl
  • R 14 is selected from (CrCn)heterocycle or (d-CuJheteroaryl, each having one to three heteroatoms selected from N and O;
  • R 5 is halo
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • Z is selected from the group consisting of a bond, methylene, ethylene,
  • X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R 12 ,
  • R 1 is selected from the group consisting of hydrogen, 5 R 14 , and -C(0)R 9 ; selected from the group consisting of hydrogen, , methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR 5 R 14 , -OR 7 , -R 9 R 10 , -R 10 R 5 R 14 , -R 12 , -R 14 , -(R 14 ) 2 , - S0 2 R 10 , -S0 2 R 12 , -S0 2 R 13 , -S0 2 R 14 , -C0 2 R 7 , -R 10 R 6 , -R 3 R 14 , -R 0 R 14 , -R 13 R 6 , - R 14 R 6 , -(R 14 R
  • R 4 is selected from the group consisting of hydrogen, -C(0)R 12 , -S0 2 R 9 , methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
  • R 5 is selected from the group consisting of methylene, ethylene, and propylene
  • R 6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
  • R 7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
  • R 8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
  • propyl isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R 5 R 10 , -R 5 R 13 , -R 10 (R 1 ) Ml and -R 5 R 0 (R 11 ) M ;
  • R 9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
  • R 10 is phenyl
  • R 11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R 4 R 12 ;
  • R 2 is -N(R 8 ) 2 , wherein each R 8 may be independently chosen from among the R 8
  • R 13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
  • R 14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
  • tetrahydropyranyl imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
  • R 15 is selected from the group consisting of fluoro, chloro, and iodo;
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • Z is selected from the group consisting of a bond and a (branched or straight chain) (d- C 6 )alkylene;
  • X is selected from the group consisting of hydrogen, (CrC 6 )alkoxy, nitrile, -C(0)R 12 , -C(0)R 14 , -S0 2 R 6 , -S0 2 R 12 , -S0 2 R 14 , -S0 2 R 1 (R 6 ) n , -NHSO 2 R 0 (R 6 ) n ,
  • R is selected from the group consisting of hydrogen, 5 R 14 , and -C(0)R 9 ;
  • R 2 is selected from the group consisting of hydrogen, , halo, (Ci-C 6 )alkyl, (d- C 6 )alkoxy, nitrile, oxo, hydroxyl, -NHR 5 R 14 , -OR 7 , -R 5 R (R 6 ) W , -R 10 R 5 R 14 , -R 12 , - R 14 , -R 0 R 6 , -R 0 (R 6 ) n , -S0 2 R 10 , -S0 2 R 12 , -S0 2 R 13 , -S0 2 R 14 , -R 13 R 14 , -R 9 R 1 °, - R 0 R 14 , -(R 4 R 12 ), -R 13 R 6 , -R 1 R 6 , -C0 2 R 7 , (C 3 -C 12 )cycloalkyl, and (C 4 -C 14 )aryl, wherein
  • fused heterocyclic ring having 1-3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R 6 groups;
  • R 3 is selected from the group consisting of hydrogen, halo, and (C C 6 )alkyl;
  • R 4 is selected from the group consisting of hydrogen, (CrC 6 )alkyl, (CrC 6 )alkoxy, nitrile, oxo, -C(0)R 12 , -S0 2 R 9 , -R 9 (R 15 ) n , -OR 7 , and -R 12 ;
  • R 5 is a branched or straight chain (Ci-C 6 )alkylene
  • R 6 is independently selected from the group consisting of (Ci-C 6 )alkyl, oxo, (Ci-
  • R 7 is selected from the group consisting of hydrogen and (C ⁇ CeJalkyl
  • R 8 is independently selected from the group consisting of hydrogen, (Ci-C 7 )alkyl, -R 0 ,
  • R is (Ci-C 7 )alkyl
  • R 10 is (C 4 -C 14 )aryl
  • R 1 is selected from the group consisting of nitriie, halo, (d-C ⁇ alky!, (d-C 6 )alkoxy, and
  • R 12 is -N(R 8 ) 2 , wherein each instance of R 8 may be independently and separately
  • R 13 is (C 3 -C 12 )cycloalkyl
  • R 14 is selected from (d-CuJheterocycle or (Ci-C )heteroaryl, each having one to three heteroatoms selected from N and O;
  • R 15 is halo
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • Z is selected from the group consisting of a bond, methylene, ethylene,
  • X is selected from the group consisting of hydrogen, methoxy, nitriie, -C(0)R 12 ,
  • R is selected from the group consisting of hydrogen, 5 R 14 , and -C(0)R 9 ;
  • R 3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl
  • R 4 is selected from the group consisting of hydrogen, -C(0)R 12 , -S0 2 R 9 , methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, and trifluoromethyl;
  • R 5 is selected from the group consisting of methylene, ethylene, and propylene
  • R 6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
  • R 7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
  • R 8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
  • propyl isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R 5 R 10 , -R 5 R 13 , -R 10 (R 11 ) M , and -R 5 R 10 (R 11 ) M ;
  • R 9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
  • R 10 is phenyl
  • R 1 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R 4 R 12 ;
  • R 12 is -N(R 8 ) 2 , wherein each R 8 may be independently chosen from among the R 8
  • R 3 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
  • R 14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
  • tetrahydropyranyl imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
  • R 15 is selected from the group consisting of fluoro, chloro, and iodo;
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • Z is selected from the group consisting of a bond and a (branched or straight chain) (C r
  • X is selected from the group consisting of -R 0 , -R 10 (R 6 ) n , -R 13 , -R 14 , -R 5 R 14 , -R 9 (R 6 ) n , - R 9 , and -R 1 (R 6 ) n ;
  • R 1 is selected from the group consisting of hydrogen, 5 R 14 , and -C(0)R 9 ;
  • R 2 is selected from the group consisting of hydrogen, , halo, (C C 6 )alkyl, (C r C 6 )alkoxy, nitrile, oxo, hydroxyl, -NHR 5 R 14 , -OR 7 , -R 5 R 4 (R 6 ) W , -R 0 R 5 R 14 , -R 12 , - R 14 , -R 0 R 6 , -R 10 (R 6 ) n , -S0 2 R 10 , -S0 2 R 12 , -S0 2 R 13 , -S0 2 R 14 , -R 13 R 14 , -R 9 R 10 , - R 10 R 14 , -(R 14 R 12 ), -R 13 R 6 , -R 14 R 6 , -C0 2 R 7 , (C 3 -C 12 )cycloalkyl, and (C 4 -C 14 )aryl, wherein A and
  • R 3 is selected from the group consisting of hydrogen, halo, and (d-C 6 )alkyl;
  • R 4 is selected from the group consisting of hydrogen, (CrC 6 )alkyl, (CrC 6 )alkoxy, nitrile, oxo, -C(0)R 12 , -S0 2 R 9 , -R 9 (R 5 )n, -OR 7 , -R 12 , and halo;
  • R 5 is a branched or straight chain (Ci-C 6 )alkylene
  • R 6 is independently selected from the group consisting of (Ci-C 6 )alkyl, oxo, (C-p
  • R 7 is selected from the group consisting of hydrogen and (C C 6 )alkyl
  • R 8 is independently selected from the group consisting of hydrogen, (C C 7 )alkyl, -R 10 ,
  • R 9 is (d-CyJalkyl
  • R 10 is (C 4 -C 14 )aryl
  • R 11 is selected from the group consisting of nitrile, halo, (CrC 6 )alkyl, (Ci-C 6 )alkoxy, and R 12 is -N(R 8 ) 2 , wherein each instance of R 8 may be independently and separately chosen from among the possible R 8 substituents;
  • R 3 is (C 3 -C 12 )cycloalkyl
  • R 14 is selected from (Ci-Cn)heterocycle or (CrCn)heteroaryl, each having one to three heteroatoms selected from N and O;
  • R 5 is halo
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • Z is selected from the group consisting of a bond, methylene, ethylene,
  • X is selected from the group consisting of X is selected from the group consisting of -R 0 ,
  • R 1 is selected from the group consisting of hydrogen, 5 R 14 , and -C(0)R 9 ; selected from the group consisting of hydrogen, , methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR 5 R 14 , -OR 7 , -R 9 R 10 , -R 0 R 5 R 14 , -R 2 , -R 14 , -(R 14 ) 2 , - S0 2 R 10 , -S0 2 R 12 , -S0 2 R 13 , -S0 2 R 14 , -C0 2 R 7 , -R 10 R 6 , -R 13 R 14 , -R 0 R 14 , -R 13 R 6 , - R 4 R 6 , -(R 14
  • R 3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl;
  • R 4 is selected from the group consisting of hydrogen, -C(0)R 12 , -S0 2 R 9 , methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
  • R 5 is selected from the group consisting of methylene, ethylene, and propylene
  • R 6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
  • R 7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
  • R 8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
  • propyl isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R 5 R 10 , -R 5 R 13 , -R 10 (R 1 ) M , and -R 5 R 0 (R 11 ) M ;
  • R 9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
  • R 10 is phenyl
  • R 11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R 4 R 12 ;
  • R 12 is -N(R 8 ) 2 , wherein each R 8 may be independently chosen from among the R 8
  • R 13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
  • R 14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
  • tetrahydropyranyl imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
  • R 15 is selected from the group consisting of fluoro, chloro, and iodo;
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • Z is selected from the group consisting of a bond and a (branched or straight chain) (d- C 6 )alkylene;
  • X is selected from the group consisting of -R 6 , -R 12 , -R 14 , and -R 1 (R 6 ) n ;
  • R 1 is selected from the group consisting of hydrogen, 5 R 14 , and -C(0)R 9 ,
  • R 2 is selected from the group consisting of hydrogen, , halo, (Ci-C 6 )alkyl, (C C 6 )alkoxy, nitrile, oxo, hydroxyl, -NHR 5 R 14 , -OR 7 , -R 5 R 14 (R 6 ) W , -R 10 R 5 R 14 , -R 12 , - R 14 , -R 0 R 6 , -R 10 (R 6 )n, -S0 2 R 10 , -S0 2 R 12 , -S0 2 R 13 , -S0 2 R 14 , -R 13 R 14 , -R 9 R 10 , - R 0 R 14 , -(R 14 R 12 ), -R 13 R 6 , -R 1 R 6 , -C0 2 R 7 , (C 3 -C 12 )cycloalkyl, and (C 4 -C 14 )aryl, wherein A and Q are
  • R 3 is selected from the group consisting of hydrogen, halo, and (Ci-C 6 )alkyl;
  • R 4 is selected from the group consisting of hydrogen, (Ci-CeJalkyl, (d-CeJalkoxy, nitrile, oxo, -C(0)R 12 , -S0 2 R 9 , -R 9 (R 15 ) admir, -OR 7 , -R 12 , and halo;
  • R 5 is a branched or straight chain (C C 6 )alkylene
  • R 6 is independently selected from the group consisting of (C t -CeJalkyl, oxo, (d-
  • R 7 is selected from the group consisting of hydrogen and (Ci-C 6 )alkyl
  • R 8 is independently selected from the group consisting of hydrogen, (CrC 7 )alkyl, -R 10 ,
  • R 9 is (d-C 7 )alkyl
  • R 0 is (C 4 -C 14 )aryl
  • R 1 is selected from the group consisting of nitrile, halo, (C C 6 )alkyl, (Ci-C 6 )alkoxy, and -R 14 R 12 ;
  • R 2 is -N(R 8 ) 2 , wherein each instance of R 8 may be independently and separately
  • R 13 is (C 3 -C 12 )cycloalkyl
  • R 14 is selected from (d-di)heterocycle or (d-di)heteroaryl, each having one to three heteroatoms selected from N and O;
  • R 15 is halo
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • Z is selected from the group consisting of a bond, methylene, ethylene, dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene;
  • X is selected from the group consisting of -R 6 , -R 2 , -R 14 , and -R 14 (R 6 ) n , -C(0)R 12 , and -C(0)R 14 ;
  • R is selected from the group consisting of hydrogen, R 14 , and -C(0)R 9 ; selected from the group consisting of hydrogen,
  • R 3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl;
  • R 4 is selected from the group consisting of hydrogen, -C(0)R 12 , -S0 2 R 9 , methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
  • R 5 is selected from the group consisting of methylene, ethylene, and propylene
  • R 6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
  • R 7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
  • R 8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
  • propyl isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R 5 R 10 , -R 5 R 13 , -R 0 (R 1 ) M , and -R 5 R 0 (R 1 ) M ;
  • R 9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
  • R 10 is phenyl
  • R 11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R 1 R
  • R 12 is -N(R 8 ) 2 , wherein each R 8 may be independently chosen from among the R 8
  • R 3 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl
  • R 4 is selected from the group consisting of morpholinyl, thiomorpholinyl, tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
  • R 15 is selected from the group consisting of fluoro, chloro, and iodo;
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • Z is selected from the group consisting of a bond and a (branched or straight chain) (C r C 6 )alkylene;
  • X is selected from the group consisting of hydrogen, (d-C 6 )alkoxy, nitrile, -C(0)R 12 , and
  • R 2 is selected from the group consisting of hydrogen, , halo, (Ci-C 6 )alkyl, (C C 6 )alkoxy, nitrile, oxo, hydroxyl, -NHR R 14 , -OR 7 , -R 5 R 1 (R 6 ) W , -R 10 R 5 R 14 , -R 12 , - R14 _ R io R 6_ _ R i° ( R 6 )n i _so 2 R 10 , -S0 2 R 12 , -S0 2 R 13 , -S0 2 R 14 , -R 13 R 14 , -R 9 R 10 , - Rio R i4 .(R1 R12) _ R 13 R 6 .
  • R 3 is selected from the group consisting of hydrogen, halo, and (C ⁇ -C 6 )a ⁇ ky ⁇ ;
  • R 4 is selected from the group consisting of hydrogen, (CrC 6 )alkyl, (CrC 6 )alkoxy, nitrile, oxo, -C(0)R 12 , -S0 2 R 9 , -OR 7 , -R 12 , and halo;
  • R 5 is a branched or straight chain (Ci-C 6 )alkylene; R 6 is independently selected from the group consisting of (d-C 6 )alkyl, oxo, (Ci-
  • R 7 is selected from the group consisting of hydrogen and (Ci-C 6 )alkyl
  • R 8 is independently selected from the group consisting of hydrogen, (Ci-C 7 )alkyl, -R 0 ,
  • R 9 is (Ci-C 7 )alkyl
  • R 10 is (C 4 -C 14 )aryl
  • R 11 is selected from the group consisting of nitrile, halo, (CrC 6 )alkyl, (C C 6 )alkoxy, and
  • R 12 is -N(R 8 ) 2 , wherein each instance of R 8 may be independently and separately
  • R 13 is (C 3 -C 12 )cycloalkyl
  • R 14 is selected from (Ci-Cn)heterocycle or (CrCn)heteroaryl, each having one to three heteroatoms selected from N and O;
  • R 15 is halo
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • Z is selected from the group consisting of a bond, methylene, ethylene,
  • X is selected from the group consisting of hydrogen, (C C 6 )alkoxy, nitrile, -C(0)R 12 , and -C(0)R 14 ;
  • R is selected from the group consisting of hydrogen, 5 R 14 , and -C(0)R 9 ; selected from the group consisting of hydrogen, , methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR 5 R 14 , -OR 7 , -R 9 R 10 , -R 10 R 5 R 14 , -R 2 , -R 14 , -(R 1 ) 2 , - S0 2 R 10 , -S0 2 R 12 , -S0 2 R 13 , -S0 2 R 14 , -C0 2 R 7 , -R 10 R 6 , -R 13 R 14 , -R 10 R 14 , -R 13 R 6 , - R 14 R 6 , -(R R 12 ),
  • R 5 is selected from the group consisting of methylene, ethylene, and propylene
  • R 6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
  • R 7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
  • R 8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
  • propyl isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R 5 R 10 , -R 5 R 13 , -R 10 (R 1 ) M , and -R 5 R 10 (R 11 ) M ;
  • R 9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyi, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
  • R 10 is phenyl
  • R 11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R 14 R 12 ;
  • R 2 is -N(R 8 ) 2 , wherein each R 8 may be independently chosen from among the R 8
  • R 13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
  • R 4 is selected from the group consisting of morpholinyl, thiomorpholinyl,
  • tetrahydropyranyl imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, piperidinyl, and pyridinyl;
  • R 5 is selected from the group consisting of fluoro, chloro, and iodo
  • each m is independently zero or an integer from 1 to 3;
  • n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • Z is selected from the group consisting of a bond and a (branched or straight chain) (C
  • X is selected from the group consisting of hydrogen, (CrC 6 )alkoxy, nitrile, -C(0)R 12 , -C(0)R 14 , -S0 2 R 6 , -S0 2 R 12 , -S0 2 R 14 , -S0 2 R 1 (R 6 ) n , -NHSO 2 R 10 (R 6 ) n ,
  • R is selected from the group consisting of hydrogen, -R 5 R 14 , and -C(0)R 9 ;
  • R 2 is selected from the group consisting of hydrogen, , halo, (d-C 6 )alkyl, (Ci- C 6 )alkoxy, nitrile, oxo, hydroxy!, -NHR 5 R 14 , -OR 7 , -R 5 R (R 6 ) W , -R 10 R 5 R 14 , -R 12 , - R 14 , -R 10 R 6 , -R 10 (R 6 )n, -S0 2 R 10 , -S0 2 R 12 , -S0 2 R 13 , -S0 2 R 14 , -R 3 R 14 , -R 9 R 10 , - Rio R i4 .(R14R12) _ R 13 R 6 _ COzR 7 (C 3 -C 12 )cycloalkyl, and (C 4 -C 14 )aryl, wherein A and Q are independently chosen from -(CH 2 ) W R 10 or -(
  • fused heterocyclic ring having 1-3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R 6 groups;
  • R 3 is selected from the group consisting of hydrogen, halo, and (C C 6 )alkyl;
  • R 4 is selected from the group consisting of hydrogen, (C C 6 )alkyl, (C C6)alkoxy, nitrile, oxo, -C(0)R 12 , -S0 2 R 9 , -R 9 (R 15 ) n , -OR 7 , -R 12 , and halo;
  • R 5 is a branched or straight chain (d-CeJalkylene
  • R 6 is independently selected from the group consisting of (d-CeJalkyl, oxo, (C
  • R 7 is selected from the group consisting of hydrogen and (Ci-C 6 )alkyl
  • R 8 is independently selected from the group consisting of hydrogen, (CrC 7 )alkyl, -R 10 ,
  • R 9 is (d-C 7 )alkyl
  • R 10 is (C 4 -C 14 )aryl
  • R is selected from the group consisting of nitrile, halo, (Ci-C 6 )alkyl, (C C 6 )alkoxy, and
  • R 12 is -N(R 8 ) 2 , wherein each instance of R 8 may be independently and separately
  • R 13 is (C 3 -C 12 )cycloalkyl
  • R 1 is selected from (d-C Jheterocycle or (CrCuJheteroaryl, each having one to three heteroatoms selected from N and O;
  • R 5 is halo
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • Z is selected from the group consisting of a bond, methylene, ethylene,
  • X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R 12 ,
  • R 1 is selected from the group consisting of hydrogen, 5 R 14 , and -C(0)R 9 ; selected from the group consisting of hydrogen,
  • R 3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl
  • R 4 is selected from the group consisting of hydrogen, -C(0)R 12 , -S0 2 R 9 , methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
  • R 5 is selected from the group consisting of methylene, ethylene, and propylene
  • R 6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
  • R 7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
  • R 8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
  • propyl isopropyl, butyl, t-butyl, heptyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R 5 R 10 , -R 5 R 13 , -R 10 (R 11 ) M , and -R 5 R 10 (R 11 ) M ;
  • R 9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
  • R 0 is phenyl
  • R 11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R 14 R 12 ;
  • R 2 is -N(R 8 ) 2 , wherein each R 8 may be independently chosen from among the R 8
  • R 13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
  • R 4 is selected from the group consisting of morpholinyl, thiomorpholinyl,
  • tetrahydropyranyl imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
  • R 5 is selected from the group consisting of fluoro, chloro, and iodo
  • each m is independently zero or an integer from 1 to 3;
  • each n is independently zero or an integer from 1 to 3;
  • each w is independently zero or an integer from 1 to 3.
  • X is selected from -NHSO 2 R 10 (R 6 ) n or -S0 2 R 12 ;
  • R is selected from the group consisting of hydrogen, -C0 2 R 7 , -C(0)R 10 , and -C(0)R 9 ;
  • R 2 is selected from the group consisting of hydrogen, -R 10 R 12 , -R 0 R 14 , -R 10 , -R 15 , and -R 10 R 6 ;
  • R 4 is selected from hydrogen or (C C 6 )alkoxy
  • R 6 is independently selected from the group consisting of (Ci-C 6 )alkyl, oxo, (C
  • R 7 is selected from hydrogen or (CrC 6 )alkyl
  • R 8 is selected from hydrogen or (Ci-C 7 )alkyl
  • R 9 is (C C 7 )alkyl
  • R 0 is (C 4 -C 14 )aryl
  • R 12 is -N(R 8 ) 2 , wherein each instance of R 8 may be independently and separately
  • R 4 is selected from (Ci-C )heterocycle or (d-CuJheteroaryl, each having one to three heteroatoms selected from N and O;
  • R 15 is halo
  • each n is independently zero or an integer from 1 to 3.
  • X is selected from -NHSO 2 R 0 (R 6 ) 2 or -S0 2 R 12 ;
  • R 1 is selected from the group consisting of hydrogen, -C0 2 R 7 , -C(0)R 10 , and -C(0)R 9 ;
  • R 2 is selected from the group consisting of hydrogen, -R 0 R 12 , -R 10 R 14 , -R 10 , -R 15 , and -R 10 R 6 ;
  • R 4 is selected from hydrogen or methoxy
  • R 6 is independently selected from the group consisting of methyl, oxo, methoxy, fluoro, bromo, nitrile, and -C0 2 R 7 ;
  • R 7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, and butyl
  • R 8 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, butyl, heptyl, hexyl, and heptyl;
  • R 9 is selected from the group consisting of methyl, ethyl, propyl, butyl heptyl, hexyl, and heptyl;
  • R 10 is phenyl
  • R 12 is -N(R 8 ) 2 , wherein each instance of R 8 may be independently and separately
  • R 14 is morpholinyl
  • R 5 is selected from fluoro or bromo.
  • R 1 is selected from the group consisting of hydrogen, -R 5 R 14 , and -C(0)R 9 ;
  • R 2 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR 5 R 14 , -OR 7 , -R 9 R 10 , -R 10 R 5 R 14 , -R 12 , -R 14 , -(R ) 2 , - S0 2 R 10 , -S0 2 R 12 , -S0 2 R 13 , -S0 2 R 14 , -C0 2 R 7 , -R 0 R 6 , -R 13 R 14 , -R 10 R 14 , -R 13 R 6 , -R 14 R 6 , -(R 4 R 12 ), (C 3 -C 13 )cyclo
  • R 2 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR 5 R 14 , -OR 7 , -R 9 R 10 , -R 0 R 5 R 14 , -R 12 , -R 14 , -(R 14 ) 2 , - S0 2 R 10 , -S0 2 R 12 , -S0 2 R 13 , -S0 2 R 14 , -C0 2 R 7 , -R 10 R 6 , -R 13 R 14 , -R 10 R 14 , -R 3 R 6 , -R 4 R 6 , -(R 1 R 12 ), cyclopentyl, dihydro
  • R 4 is selected from the group consisting of hydrogen, -C(0)R 12 , -S0 2 R 9 , methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, and iodo.
  • R 6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C0 2 R 7 .
  • R 7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
  • R 8 is independently selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, heptyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R 5 R 10 , -R 5 R 13 , -R 10 (R 11 ) M , and -R 5 R 0 (R 11 ) M .
  • R 9 is independently selected from the group consisting of R 9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, and heptyl.
  • Formula (I), or a pharmaceutically acceptable salt thereof wherein R 1 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, and methoxy.
  • R 13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl.
  • a compound of Formula (I), or a pharmaceutically acceptable salt thereof wherein R 14 is selected from the group consisting of morpholinyl, thiomorpholinyl, tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidinone, piperidinyl, and pyridinyl.
  • a pharmaceutical composition comprising a pharmaceutically acceptable diluent and a therapeutically effective amount of a compound as defined in any of Formulas I, II, III, IV, and V.
  • a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses which method comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any of Formulas I, II, III, IV, and V.
  • a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses which method comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any of Formulas I, II, III, IV, V, and VI, wherein said virus is hepatitis C virus.
  • a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any of Formulas I, II, I II, IV, and V, further comprising administration of a therapeutically effective amount of one or more agents active against hepatitis C virus.
  • a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any of Formulas I, II, III, IV, and V, further comprising administration of a therapeutically effective amount of one or more agents active against hepatitis C virus, wherein said agent active against hepatitis C virus is an inhibitor of HCV protease, HCV polymerase, HCV helicase, HCV entry, HCV assembly, HCV egress, HCV replicase, HCV NS5A protein, or inosine ⁇ -monophosphate dehydrogenase.
  • a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any of Formulas I, II, III, IV, and V, further comprising administration of a therapeutically effective amount of one or more agents active against hepatitis C virus, wherein said agent active against hepatitis C virus is interferon.
  • a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any of Formulas I, II, III, IV, and V, further comprising administration of a therapeutically effective amount of one or more agents active against hepatitis C virus, wherein said agent active against hepatitis C virus is ribavirin.
  • a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any of Formulas I, II, III, IV, and V, further comprising administration of a therapeutically effective amount of one or more agents active against hepatitis C virus, wherein said agent active against hepatitis C virus is interferon in combination with ribavirin.
  • the compound of the present invention is chosen from the compounds set forth in Table 1 .

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Abstract

Provided are compounds of Formulas I, II, III, IV, V, and pharmaceutically acceptable salts thereof, their pharmaceutical compositions, their methods of preparation, and their use for treating viral infections mediated by a member of the Flaviviridae family of viruses such as hepatitis C virus (HCV).

Description

BENZIMIDAZOLE DERIVATIVES AS ANTIVIRAL AGENTS
CROSS REFERENCE TO RELATED PATENTS AND PATENT APPLICATIONS
[0001] This application is a Patent Cooperation Treaty application and claims the priority benefit of U.S. Provisional Patent Application No. 61/497,1 13, filed June 15, 201 1 , which is incorporated herein by reference in its entirety.
FIELD OF THE INVENTION
[0002] Provided are compounds, pharmaceutical compositions, their methods of preparation, and their use for treating viral infections mediated by a member of the Flaviviridae family of viruses such as hepatitis C virus (HCV).
BACKGROUND OF THE INVENTION
[0003] Chronic infection with HCV is a major health problem associated with chronic liver disease, cirrhosis, hepatocellular carcinoma, and liver failure. HCV is a hepacivirus member of the Flaviviridae family of RNA viruses that affect animals and humans. The genome is a single ~9.6-kilobase strand of RNA, and consists of one open reading frame that encodes for a polyprotein of ~3000 amino acids flanked by untranslated regions at both 5' and 3' ends (5'- and 3'-UTR). The polyprotein serves as the precursor to at least 10 separate viral proteins critical for replication and assembly of progeny viral particles. The organization of structural and non-structural proteins in the HCV polyprotein is as follows: C-E1-E2-p7-NS2-NS3-NS4a-NS4b- NS5a-NS5b. Because the replicative cycle of HCV does not involve any DNA intermediate and the virus is not integrated into the host genome, HCV infection can theoretically be cured. While the pathology of HCV infection affects mainly the liver, the virus is found in other cell types in the body including peripheral blood lymphocytes.
[0004] HCV is major causative agent for post-transfusion and for sporadic hepatitis.
Infection by HCV is insidious in a high proportion of chronically infected (and infectious) carriers who may not experience clinical symptoms for many years. An estimated 170 million chronic carriers worldwide are at risk of developing liver disease. See, for example, Szabo, ef a/. , Pathol. Oncol. Res. 2003, 9:215-221 , and Hoofnagle JH, Hepatology 1997, 26:15S-20S. In the United States alone 2.7 million are chronically infected with HCV, and the number of HCV- related deaths in 2000 was estimated between 8,000 and 10,000, a number that is expected to increase significantly over the next years. [0005] At present, the standard treatment for chronic HCV is interferon alpha (IFN- alpha) in combination with ribavirin and this requires at least six months of treatment. IFN-alpha belongs to a family of naturally occurring small proteins with characteristic biological effects such as antiviral, immunoregulatory, and antitumoral activities that are produced and secreted by most animal nucleated cells in response to several diseases, in particular viral infections. IFN-alpha is an important regulator of growth and differentiation affecting cellular
communication and immunological control. Treatment of HCV with interferon has frequently been associated with adverse side effects such as fatigue, fever, chills, headache, myalgias, arthralgias, mild alopecia, psychiatric effects and associated disorders, autoimmune
phenomena and associated disorders and thyroid dysfunction. Ribavirin, an inhibitor of inosine 5'-monophosphate dehydrogenase (IMPDH), enhances the efficacy of IFN-alpha in the treatment of HCV. Despite the introduction of ribavirin, more than 50% of the patients do not eliminate the virus with the current standard therapy of interferon-alpha (IFN) and ribavirin. By now, standard therapy of chronic hepatitis C has been changed to the combination of pegylated IFN-alpha plus ribavirin. However, a number of patients still have significant side effects, primarily related to ribavirin. Ribavirin causes significant hemolysis in 10-20% of patients treated at currently recommended doses, and the drug is both teratogenic and embryotoxic. Even with recent improvements, a substantial fraction of patients do not respond with a sustained reduction in viral load and there is a clear need for more effective antiviral therapy of HCV infection.
[0006] A number of approaches are being pursued to combat the virus. These include, for example, application of antisense oligonucleotides or ribozymes for inhibiting HCV replication. Furthermore, low-molecular weight compounds that directly inhibit HCV proteins and interfere with viral replication are considered as attractive strategies to control HCV infection. Among the viral targets, the NS3/4a protease/helicase and the NS5b RNA-dependent RNA polymerase are considered the most promising viral targets for new drugs. Indeed, compounds said to be useful for treating HCV infections are disclosed, for example, in
WO2005/051318 (Chunduru, et al.) and WO2009/023179 (Schmitz, et al.). These references disclose methods for preparing the compounds, compositions comprising the compounds, compositions comprising the compounds and additional compounds, and methods of treating HCV.
[0007] Besides targeting viral genes and their transcription and translation products, antiviral activity can also be achieved by targeting host cell proteins that are necessary for viral replication. For example, antiviral activity can be achieved by inhibiting host cell cyclophilins. Alternatively, a potent TLR7 agonist has been shown to reduce HCV plasma levels in humans.
[0008] In view of the worldwide epidemic level of HCV and other members of the
Flaviviridae family of viruses, and further in view of the limited treatment options, there is a strong need for new effective drugs for treating infections cause by these viruses.
SUMMARY OF THE INVENTION
[0009] In accordance with one embodiment of the present invention, there is provided a compound of any of Formulas I, II, III, IV, and V described herein or a pharmaceutically acceptable salt thereof.
[0010] In yet other embodiments of the present invention, there is provided a compound of Formula (I):
(I)
Figure imgf000004_0001
R3
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (C C6)alkylene;
X is selected from the group consisting of hydrogen, (CrC6)alkoxy, nitrile, -C(0)R12, -C(0)R14, -S02R6, -S02R12, -S02R14, -S02R1 (R6)n, -NHSO2R10(R6)n,
-NHSO2R5R10(R6)n, -NHSO2R13, -NHS02R14, -NHS02R5(R6)n, and -NHS02R1 (R6)n;
R1 is selected from the group consisting of hydrogen, -R5R14, -C(0)R9, -R5R10,
-C(0)R10, and -C(0)R14;
R2 is selected from the group consisting of hydrogen,
Figure imgf000004_0002
, halo, (d-C6)alkyl, (C
C6)alkoxy, nitrile, oxo, hydroxyl, -NHR5R14, -OR7, -R5R14(R6)W, -R10R5R14, -R12, - R 4, -R10R6, -R10(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R1.3R14, -R9R10, - R10R14, -(R1 R12), -R13R6, -R1 R6, -C02R7, (C3-Ci2)cycloalkyl, and (C4-C14)aryl, wherein A and Q are independently chosen from -(CH2)wR10 or -(CH2)wR14;
R and R2 taken together with any intervening atoms and when Z is a bond, can
optionally form a fused (C2-C6) heterocyclic ring having 1 -3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, nitrile, halo, and (Ci-C6)alkyl;
R4 is selected from the group consisting of hydrogen, (d-C6)alkyl, (C CeJalkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R15)n, -OR7, -R 2, and halo;
R5 is a branched or straight chain (d-CeJalkylene;
R6 is independently selected from the group consisting of {C<rC6)a\ky\, oxo, (C
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (Ci-C6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (Ci-C7)alkyl, -R10,
-R 3, -R14, -R5R13, -R5R10, -R10(R11)M, -R5R14, and -R5R10(R1 )M;
R9 is (Ci-C7)alkyl;
Figure imgf000005_0001
R 1 is selected from the group consisting of nitrile, halo, (Ci-C6)alkyl, (CrC6)alkoxy, and -R14R12;
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R 3 is (C3-C12)cycloalkyl;
R14 is selected from (Ci-C jheterocycle or (CVCi heteroaryl, each having one to three heteroatoms selected from S, N and O;
R15 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0011] Also provided is a pharmaceutical composition comprising a pharmaceutically acceptable carrier and a therapeutically effective amount of a compound of any of Formulas I, II , III, IV, V, or a pharmaceutically acceptable salt or solvate thereof.
[0012] Also provided are synthetic intermediates, methods for preparing the compounds of any of Formulas I, II, III, IV, and V or a pharmaceutically acceptable salt or solvate thereof, and compositions thereof and for their therapeutic uses. In some embodiments, provided is a method for treating a viral infection in a patient mediated at least in part by a virus in the Flaviviridae family of viruses, comprising administering to said patient a composition comprising a compound of any of Formulas I, II, III, IV, V, or a pharmaceutically acceptable salt or solvate thereof. In some embodiments, the viral infection is mediated by hepatitis C virus. Those and other embodiments are further described in the text that follows.
DETAILED DESCRIPTION OF REPRESENTATIVE EMBODIMENTS
[0013] Throughout this application, references are made to various embodiments relating to compounds, compositions, and methods. The various embodiments described are meant to provide a variety of illustrative examples and should not be construed as descriptions of alternative species. Rather it should be noted that the descriptions of various embodiments provided herein may be of overlapping scope. The embodiments discussed herein are merely illustrative and are not meant to limit the scope of the present invention.
[0014] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention. In this specification and in the claims that follow, reference will be made to a number of terms that shall be defined to have the following meanings.
[0015] "Alkyl" refers to monovalent saturated aliphatic hydrocarbyl groups having from 1 to 14 carbon atoms and, in some embodiments, from 1 to 6 carbon atoms. "(Cx.Cy)alkyl" refers to alkyl groups having from x to y carbon atoms. This term includes, by way of example, linear and branched hydrocarbyl groups such as methyl (CH3-), ethyl (CH3CH2-), n-propyl
(CH3CH2CH2-), isopropyl ((CH3)2CH-), n-butyl (CH3CH2CH2CH2-), isobutyl ((CH3)2CHCH2-), sec-butyl ((CH3)(CH3CH2)CH-), f-butyl ((CH3)3C-), n-pentyl (CH3CH2CH2CH2CH2-), and neopentyl ((CH3)3CCH2-).
[0016] "Alkylidene" or "alkylene" refers to divalent saturated aliphatic hydrocarbyl groups having from 1 to 10 carbon atoms and, in some embodiments, from 1 to 6 carbon atoms.
"(Cu.v)alkylene" refers to alkylene groups having from u to v carbon atoms. The alkylidene and alkylene groups include branched and straight chain hydrocarbyl groups. For example "(Ci_ 6)alkylene" is meant to include methylene, ethylene, propylene, 2-methypropylene, pentylene, and so forth.
[0017] "Alkenyl" refers to a linear or branched hydrocarbyl group having from 2 to 10 carbon atoms and in some embodiments from 2 to 6 carbon atoms or 2 to 4 carbon atoms and having at least 1 site of vinyl unsaturation (>C=C<). For example, (Cx-Cy)alkenyl refers to alkenyl groups having from x to y carbon atoms and is meant to include for example, ethenyl, propenyl, isopropylene, 1 ,3-butadienyl, and the like.
[0018] "Alkynyl" refers to a linear monovalent hydrocarbon radical or a branched monovalent hydrocarbon radical containing at least one triple bond. The term "alkynyl" is also meant to include those hydrocarbyl groups having one triple bond and one double bond. For example, (C2-C6)alkynyl is meant to include ethynyl, propynyl, and the like.
[0019] "Alkoxy" refers to the group -O-alkyl wherein alkyl is defined herein. Alkoxy includes, by way of example, methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, f-butoxy, sec-butoxy, and n-pentoxy.
[0020] "Acyl" refers to the groups H-C(O)-, alkyl-C(O)-, alkenyl-C(O)-, alkynyl-C(O)-, cycloalkyl-C(O)-, aryl-C(O)-, heteroaryl-C(O)-, and heterocyclic-C(O)-. Acyl includes the "acetyl" group CH3C(0)-.
[0021] "Acylamino" refers to the groups -NR20C(O)alkyl, -NR20C(O)cycloalkyl,
-NR20C(O)alkenyl, -NR20C(O)alkynyl, -NR20C(O)aryl, -NR20C(O)heteroaryl, and
-NR20C(O)heterocyclic, wherein R20 is hydrogen or alkyl.
[0022] "Acyloxy" refers to the groups alkyl-C(0)0-, alkenyl-C(0)0-, alkynyl-C(0)0-, aryl-C(0)0-, cycloalkyl-C(0)0-, heteroaryl-C(0)0-, and heterocyclic-C(0)0-.
[0023] "Amino" refers to the group -NR21R22 where R2 and R22are independently selected from hydrogen, alkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, heterocyclic, -S02-alkyl, -S02-alkenyl, -S02-cycloalkyl, -S02-aryl, -S02-heteroaryl, and -S02-heterocyclic, and wherein R2 and R22 are optionally joined together with the nitrogen bound thereto to form a heterocyclic group. When R2 is hydrogen and R22 is alkyl, the amino group is sometimes referred to herein as alkylamino. When R21 and R22 are alkyl, the amino group is sometimes referred to herein as dialkylamino. When referring to a monosubstituted amino, it is meant that either R21 or R22 is hydrogen but not both. When referring to a disubstituted amino, it is meant that neither R21 nor R22 are hydrogen.
[0024] "Hydroxyamino" refers to the group -NHOH.
[0025] "Alkoxyamino" refers to the group -NHO-alkyl wherein alkyl is defined herein.
[0026] "Aminocarbonyl" refers to the group -C(0)NR 6R27 where R26 and R27 are independently selected from hydrogen, alkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, heterocyclic, hydroxy, alkoxy, amino, and acylamino, and where R26 and R27 are optionally joined together with the nitrogen bound thereto to form a heterocyclic group.
[0027] "Aryl" refers to an aromatic group of from 6 to 14 carbon atoms and no ring heteroatoms and having a single ring (e.g., phenyl) or multiple condensed (fused) rings (e.g. , naphthyl or anthryl). For multiple ring systems, including fused, bridged, and spiro ring systems having aromatic and non-aromatic rings that have no ring heteroatoms, the term "Aryl" or "Ar" applies when the point of attachment is at an aromatic carbon atom (e.g., 5,6,7,8
tetrahydronaphthalene-2-yl is an aryl group as its point of attachment is at the 2-position of the aromatic phenyl ring).
[0028] "Cyano" or "nitrile" refers to the group -CN.
[0029] "Cycloalkyi" refers to a saturated or partially saturated cyclic group of from 3 to
14 carbon atoms and no ring heteroatoms and having a single ring or multiple rings including fused, bridged, and spiro ring systems. For multiple ring systems having aromatic and non- aromatic rings that have no ring heteroatoms, the term "cycloalkyi" applies when the point of attachment is at a non-aromatic carbon atom (e.g. 5,6,7,8,-tetrahydronaphthalene-5-yl and 2,3- dihydro-1 H-inden-1-yl). The term "cycloalkyi" includes cycloalkenyl groups, such as cyclohexenyl. Examples of cycloalkyi groups include, for instance, adamantyl, cyclopropyl, cyclobutyl, cyclohexyl, cyclopentyl, cyclooctyl, cyclopentenyl, and cyclohexenyl. Examples of cycloalkyi groups that include multiple bicycloalkyi ring systems are bicyclohexyl, bicyclopentyl, bicyclooctyl, dihydroindenyl, and the like. Two such bicycloalkyi multiple ring structures are exem lified and named below:
Figure imgf000008_0001
[0030] (Cu.Cv)cycloalkyl" refers to cycloalkyi groups having u to v carbon atoms.
[0031] Spiro cycloalkyi" refers to a 3 to 10 member cyclic substituent formed by replacement of two hydrogen atoms at a common carbon atom in a cyclic ring structure or in an alkylene group having 2 to 9 carbon atoms, as exemplified by the following structure wherein the group shown here attached to bonds marked with wavy lines is substituted with a spiro cycloalkyi group:
[0032] Fused cycloalkyi" refers to a 3 to 10 member cyclic substituent formed by the replacement of two hydrogen atoms at different carbon atoms in a cycloalkyi ring structure, as exemplified by the following structure wherein the cycloalkyi group shown here contains bonds marked with wavy lines which are bonded to carbon atoms that are substituted with a fused cycloalkyi group:
Figure imgf000009_0001
[0033] "Halo" or "halogen" refers to fluoro, chloro, bromo, and iodo.
[0034] "Haloalkoxy" refers to substitution of alkoxy groups with 1 to 5 (e.g. when the alkoxy group has at least 2 carbon atoms) or in some embodiments 1 to 3 halo groups (e.g. trifluoromethoxy).
[0035] "Hydroxy" or "hydroxyl" refers to the group -OH.
[0036] "Heteroaryl" refers to an aromatic group of from 1 to 14 carbon atoms and 1 to 6 heteroatoms selected from oxygen, nitrogen, and sulfur and includes single ring (e.g. imidazolyl) and multiple ring systems (e.g. benzimidazol-2-yl and benzimidazol-6-yl). For multiple ring systems, including fused, bridged, and spiro ring systems having aromatic and non-aromatic rings, the term "heteroaryl" applies if there is at least one ring heteroatom and the point of attachment is at an atom of an aromatic ring (e.g. 1 ,2,3,4-tetrahydroquinolin-6-yl and 5,6,7,8- tetrahydroquinolin-3-yl). In some embodiments, the nitrogen and/or the sulfur ring atom(s) of the heteroaryl group are optionally oxidized to provide for the N-oxide (N→0), sulfinyl, or sulfonyl moieties. More specifically the term heteroaryl includes, but is not limited to, pyridyl, furanyl, thienyl, thiazolyl, isothiazolyl, triazolyl, imidazolyl, imidazolinyl, isoxazolyl, pyrrolyl, pyrazolyl, pyridazinyl, pyrimidinyl, purinyl, phthalazyl, naphthylpryidyl, benzofuranyl,
tetrahydrobenzofuranyl, isobenzofuranyl, benzothiazolyl, benzoisothiazolyl, benzotriazolyl, indolyl, isoindolyl, indolizinyl, dihydroindolyl, indazolyl, indolinyl, benzoxazolyl, quinolyl, isoquinolyl, quinolizyl, quianazolyl, quinoxalyl, tetrahydroquinolinyl, isoquinolyl, quinazolinonyl, benzimidazolyl, benzisoxazolyl, benzothienyl, benzopyridazinyl, pteridinyl, carbazolyl, carbolinyl, phenanthridinyl, acridinyl, phenanthrolinyl, phenazinyl, phenoxazinyl, phenothiazinyl, and phthalimidyl.
[0037] "Heterocyclic" or "heterocycle" or "heterocycloalkyl" or "heterocyclyl" refers to a saturated or partially saturated cyclic group having from 1 to 14 carbon atoms and from 1 to 6 heteroatoms selected from nitrogen, sulfur, phosphorus or oxygen and includes single ring and multiple ring systems including fused, bridged, and spiro ring systems. For multiple ring systems having aromatic and/or non-aromatic rings, the terms "heterocyclic", "heterocycle", "heterocycloalkyl", or "heterocyclyl" apply when there is at least one ring heteroatom and the point of attachment is at an atom of a non-aromatic ring (e.g. ,2,3,4-tetrahydroquinoline-3-yl, 5,6,7,8-tetrahydroquinoline-6-yl, and decahydroquinolin-6-yl). In one embodiment, the nitrogen, phosphorus and/or sulfur atom(s) of the heterocyclic group are optionally oxidized to provide for the N-oxide, phosphinane oxide, sulfinyl, sulfonyl moieties. More specifically the heterocyclyl includes, but is not limited to, tetrahydropyranyl, piperidinyl, piperazinyl, 3-pyrrolidinyl, 2- pyrrolidon-1 -yl, morpholinyl, and pyrrolidinyl. A prefix indicating the number of carbon atoms (e.g. , C3-C10) refers to the total number of carbon atoms in the portion of the heterocyclyl group exclusive of the number of heteroatoms.
[0038] Examples of heterocycle and heteroaryl groups include, but are not limited to, azetidine, pyrrole, imidazole, pyrazole, pyridine, pyrazine, pyrimidine, pyridazine, pyridone, indolizine, isoindole, indole, dihydroindole, indazole, purine, quinolizine, isoquinoline, quinoline, phthalazine, naphthylpyridine, quinoxaline, quinazoline, cinnoline, pteridine, carbazole, carboline, phenanthridine, acridine, phenanthroline, isothiazole, phenazine, isoxazole, phenoxazine, phenothiazine, imidazolidine, imidazoline, piperidine, piperazine, indoline, phthalimide, 1 ,2,3,4-tetrahydroisoquinoline, 4,5,6,7-tetrahydrobenzo[b]thiophene, thiazole, thiazolidine, thiophene, benzo[b]thiophene, morpholine, thiomorpholine (also referred to as thiamorpholine), piperidine, pyrrolidine, pyrrolidione, and tetrahydrofuranyl.
[0039] "Fused heterocyclic" refers to a 3 to 10 member cyclic substituent formed by the replacement of two hydrogen atoms at different carbon atoms in a cycloalkyi ring structure, as exemplified by the following structure wherein the cycloalkyi group shown here contains bonds marked with wavy lines which are bonded to carbon atoms that are substituted with a fused heterocyclic group:
Figure imgf000010_0001
[0040] "Compound", "compounds", "chemical entity", and "chemical entities" as used herein refers to a compound encompassed by the generic formulae disclosed herein, any subgenus of those generic formulae, and any forms of the compounds within the generic and subgeneric formulae, including the racemates, stereoisomers, and tautomers of the compound or compounds.
[0041] "Oxazolidinone" refers to a 5-membered heterocyclic ring containing one nitrogen and one oxygen as heteroatoms and also contains two carbons and is substituted at one of the two carbons by a carbonyl group as exemplified by any of the following structures, wherein the oxazolidinone groups shown here are bonded to a parent molecule, which is indicated by a wavy line in the bond to the parent molecule:
Figure imgf000011_0001
[0042] "Pyrrolidione" refers to a 5-membered heterocyclic ring containing one nitrogen as a heteroatom and also contains three carbons and is substituted at one of the three carbons by a carbonyl group as exemplified by any of the following structures, wherein the pyrrolidione group exemplified here is bonded to a parent molecule, which is indicated by a wavy line in the bond to the parent molecule:
Figure imgf000011_0002
[0043] "Racemates" refers to a mixture of enantiomers. In an embodiment of the invention, the compounds of Formula I, II, III, IV or V, or pharmaceutically acceptable salts thereof, are enantiomerically enriched with one enantiomer wherein all of the chiral carbons referred to are in one configuration. In general, reference to an enantiomerically enriched compound or salt, is meant to indicate that the specified enantiomer will comprise more than 50% by weight of the total weight of all enantiomers of the compound or salt.
[0044] "Solvate" or "solvates" of a compound refer to those compounds, as defined above, which are bound to a stoichiometric or non-stoichiometric amount of a solvent. Solvates of a compound includes solvates of all forms of the compound. In certain embodiments, solvents are volatile, non-toxic, and/or acceptable for administration to humans in trace amounts. Suitable solvates include water.
[0045] "Stereoisomer" or "stereoisomers" refer to compounds that differ in the chirality of one or more stereocenters. Stereoisomers include enantiomers and diastereomers.
[0046] "Tautomer" refer to alternate forms of a compound that differ in the position of a proton, such as enol-keto and imine-enamine tautomers, or the tautomeric forms of heteroaryl groups containing a ring atom attached to both a ring -NH- moiety and a ring =N- moiety such as pyrazoles, imidazoles, benzimidazoles, triazoles, and tetrazoles.
[0047] "Pharmaceutically acceptable salt" refers to pharmaceutically acceptable salts derived from a variety of organic and inorganic counter ions well known in the art and include, by way of example only, sodium, potassium, calcium, magnesium, ammonium, and
tetraalkylammonium, and when the molecule contains a basic functionality, salts of organic or inorganic acids, such as hydrochloride, hydrobromide, tartrate, mesylate, acetate, maleate, and oxalate. Suitable salts include those described in P. Heinrich Stahl, Camille G. Wermuth (Eds.), Handbook of Pharmaceutical Salts Properties, Selection, and Use; 2002.
[0048] "Patient" refers to mammals and includes humans and non-human mammals.
[0049] "Treating" or "treatment" of a disease in a patient refers to 1 ) preventing the disease from occurring in a patient that is predisposed or does not yet display symptoms of the disease; 2) inhibiting the disease or arresting its development; or 3) ameliorating or causing regression of the disease.
[0050] Unless indicated otherwise, the nomenclature of substituents that are not explicitly defined herein are arrived at by naming the terminal portion of the functionality followed by the adjacent functionality toward the point of attachment. For example, the substituent "arylalkyloxycarbonyl" refers to the group (aryl)-(alkyl)-0-C(0)-. In a term such as "C(RX)2", it should be understood that the two Rx groups can be the same, or they can be different if Rx is defined as having more than one possible identity. In addition, certain substituents are drawn as -RxRy, where the "-" indicates a bond adjacent to the parent molecule and Ry being the terminal portion of the functionality. Similarly, it is understood that the above definitions are not intended to include impermissible substitution patterns (e.g., methyl substituted with 5 fluoro groups). Such impermissible substitution patterns are well known to the skilled artisan.
[0051] In one embodiment of the present invention, there is provided a compound of
Formula (I):
(I)
R3
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (Ci- C6)alkylene;
X is selected from the group consisting of hydrogen, (CrC6)alkoxy, nitrile, -C(0)R12, -C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHSO2R10(R6)n,
-NHSO2R5R 0(R6)n, -NHS02R13, -NHS02R14, -NHS02R5(R6)n, and -NHS02R14(R6)n; R1 is selected from the group consisting of hydrogen, -R R14, -C(0)R9, -R5R10,
-C(0)R10, and -C(0)R14;
R2 is selected from the group consisting of hydrogen,
Figure imgf000013_0001
, halo, (Ci-C6)alkyl, (C C6)alkoxy, nitrile, oxo, hydroxyl, -NHR5R14, -OR7, -R5R1 (R6)W, -R10R5R14, -R 2, - R14, -R10R6, -R10(R6)n, -S02R10, -S02R12, -S02R13, -S02R , -R 3R14, -R9R10, - R10R14, -(R 4R12), -R13R6, -R14R6, -C02R7, (C3-C12)cycloalkyl, and (C4-C14)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond, can
optionally form a fused (C2-C6)heterocyclic ring having 1 -3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, nitrile, halo, and (C C6)alkyl;
R4 is selected from the group consisting of hydrogen, (d-CeJalkyl, (CVCe alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R15)N, -OR7, -R12, and halo;
R5 is a branched or straight chain (Ci-C6)alkylene;
R6 is independently selected from the group consisting of (Ci-C6)alkyl, oxo, (Cr
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (Ci-C6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (Ci-C7)alkyl, -R 0,
-R13, -R14, -R5R13, -R5R10, -R 0(R11)M, -R5R14, and -R5R10(R1 )M;
R9 is (Ci-C7)alkyl;
Figure imgf000013_0002
R 1 is selected from the group consisting of nitrile, halo, (Ci-C6)alkyl, (CrC6)alkoxy, and -R14R12;
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R13 is (C3-C12)cycloalkyl;
R 4 is selected from (Ci-Cn)heterocycle or (Ci-Cn)heteroaryl, each having one to three heteroatoms selected from S, N and O;
R 5 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and each w is independently zero or an integer from 1 to 3.
[0052] In one embodiment of the present invention, there is provided a compound of
Formula (I):
Figure imgf000014_0001
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond, methylene, ethylene,
dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene;
X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R12,
-C(0)R14, -S02R6, -S02R12, -S02R14, -S02R1 (R6)n, -NHS02R10, -NHSO2R 0(R6)n, -NHS02R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9, -NHS02R14(R6)n,
R1 is selected from the group consisting of hydrogen, -R5R14, -R5R10, -C(0)R10,
-C(0)R14, and -C(0)R9; selected from the group consisting of hydrogen,
Figure imgf000014_0002
, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R 0R5R14, -R12, -R 4, -(R1 )2, - S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R 3R6, - R1 R6, -(R14R12), cyclopentyl, dihydroindenyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond can
optionally form a fused imidazole ring that can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl;
R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, -R5R14, and -
R5R 0(R )M;
R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R 1 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R14R12;
R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl; R 4 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R 5 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0053] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein:
Z is a bond or methylene;
X is selected from the group consisting of hydrogen, (Ci-C6)alkoxy, nitrile, -C(0)R12, -C(0)R 4, -S02R6, -S02R12, -S02R14, -S02R1 (R6)n, -NHSO2R 0(R6)n,
-NHSO2R5R10(R6)n, -NHSO2R13, -NHS02R14, -NHS02R5(R6)n, and -NHS02R14(R6)n; R1 is selected from the group consisting of hydrogen, 5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000016_0001
, halo, (d-C6)alkyl, (C C6)alkoxy, nitrile, oxo, hydroxyl, -NH R5R14, -OR7, -R R14(R6)W, -R10R5R14, -R12, - R14, -R 0R6, -R 0(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R13R14, -R9R10, - RioRi4 .(^R^ _R13R6 _Ri Re (c3-C12)cycloalkyl, and (C4-C14)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14; R and R2 taken together with any intervening atoms and when Z is a bond, can
optionally form a fused (C2-C6)heterocyclic ring having 1-3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, halo, and (C1-C6)alkyl;
R4 is selected from the group consisting of hydrogen, (C1-C6)alkyl, (CrC6)alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R 5)n, -OR7, -R12, and halo;
R5 is a branched or straight chain (CrC6)alkylene;
R6 is independently selected from the group consisting of (CrC6)alkyl, oxo, (Cr
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (CrC6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (CrC7)alkyl, -R 0,
-R13, -R14, -R5R13, -R5R10, -R10(R1 )M, and -R5R10(R 1)M;
R9 is (d-CyJalkyl;
R 0 is (C4-C14)aryl;
R11 is selected from the group consisting of nitrile, halo, (CrC6)alkyl, (Ci-C6)alkoxy, and -R14R12;
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R13 is (C3-Ci2)cycloalkyl;
R 4 is selected from (Ci-Cn)heterocycle or (d-di)heteroaryl, each having one to three heteroatoms selected from N and O;
R15 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3. [0054] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein:
Z is a bond;
X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R12,
-C(0)R14, -S02R6, -S02R12, -S02R14, -S02R1 (R6)n, -NHS02R10, -NHSO2R10(R6)n, -NHSO2R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9, -NHS02R 4(R6)n,
R is selected from the group consisting of hydrogen, 5R14, and -C(0)R9; selected from the group consisting of hydrogen,
Figure imgf000017_0001
, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, -(R14)2, -
S02R10, -S02R12, -S02R13, -SO2R14, -C02R7, -R10R6, -R13R14, -R 0R14, -R13R6, -
R14R6, -(R14R12), cyclopentyl, dihydroindenyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR1Q or -(CH2)wR14;
R and R2 taken together with any intervening atoms and when Z is a bond can
optionally form a fused imidazole ring that can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl; R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R 0(R1 and -R5R 0(R 1)M; R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, hexyl, heptyl, neopentyl, dimethylbutanyl, and dimethylpentanyl; R 0 is phenyl;
R1 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R14R12;
R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R 3 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
R 4 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0055] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein:
Z is a bond or methylene;
X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R12,
-C(0)R14, -S02R6, -S02R12, -S02R14, -S02R1 (R6)n, -NHS02R10, -NHSO2R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)„, -NHS02R9, -NHS02R1 (R6)n,
R1 is hydrogen;
R2 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R 2, -R14, -(R14)2, -S02R10, - S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R 3R14, -R10R14, -R13R6, -R14R6, - (R14R12), cyclopentyl, dihydroindenyl, and phenyl;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl;
R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, and -R5R 0(R11)M; R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
R 0 is phenyl;
R1 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, and
methoxy;
R 2 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R 3 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
R14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R 5 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0056] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein:
Z is a bond;
X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R12,
-C(0)R14, -S02R6, -S02R12, -S02R14, -S02R1 (R6)n, -NHS02R10, -NHSO2R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9, and -NHS02R14(R6)n,
R1 is hydrogen;
R2 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R 4, -(R14)2, -S02R10, - S02R12, -S02R13, -S02R14, -C02R7, -R 0R6, -R 3R14, -R10R14, -R13R6, -R14R6, - (R14R12), cyclopentyl, dihydroindenyl, and phenyl;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl; R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R 0(R11) , and -R5R10(R11)M; R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, and
methoxy;
R 2 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl; R 4 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0057] In another embodiment of the present invention, there is provided a compound of
Formula (IA):
(IA)
Figure imgf000021_0001
rmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (C-i- C6)alkylene;
X is selected from the group consisting of hydrogen, (d-C6)alkoxy, nitrile, -C(0)R12, -C(0)R1 , -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHSO2R10(R6)„,
-NHSO2R5R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5(R6)n, and
-NHS02R14(R6)n;
R is selected from the group consisting of hydrogen, 5R14, and -C(0)R9; selected from the group consisting of hydrogen,
Figure imgf000021_0002
C6)alkoxy, nitrile, oxo, hydroxyl, -NHR5R14, -OR7, -R5R14(R6)W, -R10R5R14, -R12, - R 4, -R10R6, -R10(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R13R14, -R9R10, - RioRi4 .(R14R12) _Ri3R 6 I .R^RS _CO.,R7 (C3-C12)cycloalkyl, and (C4-C14)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14; R and R2 taken together with any intervening atoms and when Z is a bond, can
optionally form a fused (C2-C6)heterocyclic ring having 1-3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R6 groups;
R4 is selected from the group consisting of hydrogen, (d-C6)alkyl, (d-C6)alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R15)„, -OR7, -R12, and halo;
R5 is a branched or straight chain (CrC6)alkylene;
R6 is independently selected from the group consisting of (Ci-C6)alkyl, oxo, (d-
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (Ci-C6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (Ci-C7)alkyl, -R10,
-R13, -R14, -R5R13, -R5R10, -R10(R11)M, and -R5R10(R11)M;
R9 is (d-d)alkyl;
R 0 is (d-C14)aryl; selected from the group consisting of nitrile, halo, (Ci-C6)alkyl, (CrC6)alkoxy, and
R 2 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R 3 is (C3-Ci2)cycloalkyl;
R14 is selected from (CrCn)heterocycle or (d-CuJheteroaryl, each having one to three heteroatoms selected from N and O;
R 5 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0058] In another embodiment of the present invention, there is provided a compound of
Formula (IA), or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond, methylene, ethylene,
dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene;
X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R12,
-C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHS02R °, -NHS02R -NHS02R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9, -NHS02R14(R6)„,
R1 is selected from the group consisting of hydrogen, 5R14, and -C(0)R9; selected from the group consisting of hydrogen,
Figure imgf000022_0001
, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, -(R14)2, - S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R 3R14, -R 0R14, -R13R6, - R14R6, -(R14R12), cyclopentyl, dihydroiridenyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond can
optionally form a fused imidazole ring that can also be optionally substituted with one to two R6 groups;
R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxp, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R 1)Ml and -R5R 0(R11)M; R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R 4R12;
R 2 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl; R14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0059] In another embodiment of the present invention, there is provided a compound of
Formula (IB):
(IB)
Figure imgf000024_0001
rmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (d- C6)alkylene;
X is selected from the group consisting of hydrogen, (CrC6)alkoxy, nitrile, -C(0)R12, -C(0)R14, -S02R6, -S02R12, -S02R14, -S02R1 (R6)n, -NHSO2R 0(R6)n,
-NHSO2R5R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5(R6)n, and
-NHS02R14(R6)n;
R is selected from the group consisting of hydrogen, 5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000024_0002
, halo, (Ci-C6)alkyl, (d- C6)alkoxy, nitrile, oxo, hydroxyl, -NHR5R14, -OR7, -R5R (R6)W, -R10R5R14, -R12, - R14, -R 0R6, -R 0(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R13R14, -R9R1°, - R 0R14, -(R 4R12), -R13R6, -R1 R6, -C02R7, (C3-C12)cycloalkyl, and (C4-C14)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)wR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond, can
optionally form a fused (C2-C6)heterocyclic ring having 1-3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, halo, and (C C6)alkyl;
R4 is selected from the group consisting of hydrogen, (CrC6)alkyl, (CrC6)alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R15)n, -OR7, and -R12;
R5 is a branched or straight chain (Ci-C6)alkylene;
R6 is independently selected from the group consisting of (Ci-C6)alkyl, oxo, (Ci-
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (C^CeJalkyl;
R8 is independently selected from the group consisting of hydrogen, (Ci-C7)alkyl, -R 0,
-R13, -R14, -R5R13, -R5R10, -R 0(R1 )M. and -R5R10(R1 )M; R is (Ci-C7)alkyl;
R10 is (C4-C14)aryl;
R 1 is selected from the group consisting of nitriie, halo, (d-C^alky!, (d-C6)alkoxy, and
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R13 is (C3-C12)cycloalkyl;
R14 is selected from (d-CuJheterocycle or (Ci-C )heteroaryl, each having one to three heteroatoms selected from N and O;
R15 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0060] In another embodiment of the present invention, there is provided a compound of
Formula (IB), or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond, methylene, ethylene,
dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene;
X is selected from the group consisting of hydrogen, methoxy, nitriie, -C(0)R12,
-C(0)R14, -S02R6, -S02R12, -S02R14, -S02R1 (R6)n, -NHS02R10, -NHSO2R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9, -NHS02R1 (R6)n,
R is selected from the group consisting of hydrogen, 5R14, and -C(0)R9;
selected from the group consisting of hydrogen,
Figure imgf000025_0001
methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitriie, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R 0R5R14, -R 2, -R 4, -(R14)2, - S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R 3R14, -R10R14, -R13R6, - R 4R6, -(R1 R12), cyclopentyl, dihydroindenyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)wR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond can
optionally form a fused imidazole ring that can also be optionally substituted with one to two R6 groups; R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl; R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, and trifluoromethyl;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, and -R5R10(R11)M; R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R1 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R 4R12;
R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R 3 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl; R14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0061] In another embodiment of the present invention, there is provided a compound of
Formula (II):
(ID
Figure imgf000027_0001
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (Cr
C6)alkylene;
X is selected from the group consisting of -R 0, -R10(R6)n, -R13, -R14, -R5R14, -R9(R6)n, - R9, and -R1 (R6)n;
R1 is selected from the group consisting of hydrogen, 5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000027_0002
, halo, (C C6)alkyl, (Cr C6)alkoxy, nitrile, oxo, hydroxyl, -NHR5R14, -OR7, -R5R 4(R6)W, -R 0R5R14, -R12, - R14, -R 0R6, -R10(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R13R14, -R9R10, - R10R14, -(R14R12), -R13R6, -R14R6, -C02R7, (C3-C12)cycloalkyl, and (C4-C14)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)wR14;
R3 is selected from the group consisting of hydrogen, halo, and (d-C6)alkyl;
R4 is selected from the group consisting of hydrogen, (CrC6)alkyl, (CrC6)alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R 5)n, -OR7, -R12, and halo;
R5 is a branched or straight chain (Ci-C6)alkylene;
R6 is independently selected from the group consisting of (Ci-C6)alkyl, oxo, (C-p
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (C C6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (C C7)alkyl, -R10,
-R13, -R14, -R5R13, -R5R10, -R 0(R11)M, and -R5R 0(R11)M;
R9 is (d-CyJalkyl;
R10 is (C4-C14)aryl;
R11 is selected from the group consisting of nitrile, halo, (CrC6)alkyl, (Ci-C6)alkoxy, and R12 is -N(R8)2, wherein each instance of R8 may be independently and separately chosen from among the possible R8 substituents;
R 3 is (C3-C12)cycloalkyl;
R14 is selected from (Ci-Cn)heterocycle or (CrCn)heteroaryl, each having one to three heteroatoms selected from N and O;
R 5 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0062] In another embodiment of the present invention, there is provided a compound of
Formula (II), or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond, methylene, ethylene,
dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene; X is selected from the group consisting of X is selected from the group consisting of -R 0,
-R10(R6)n, -R13, -R 4, -R5R14, -R9(R6)n, -R9, and -R1 (R6)n;
R1 is selected from the group consisting of hydrogen, 5R14, and -C(0)R9; selected from the group consisting of hydrogen,
Figure imgf000028_0001
, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R 0R5R14, -R 2, -R14, -(R14)2, - S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R 0R14, -R13R6, - R 4R6, -(R14R12), cyclopentyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl;
R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R 1)M, and -R5R 0(R11)M; R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R 4R12;
R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl; R14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0063] In another embodiment of the present invention, there is provided a compound of
Formula (III):
(III)
Figure imgf000029_0001
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (d- C6)alkylene; X is selected from the group consisting of -R6, -R12, -R14, and -R1 (R6)n;
R1 is selected from the group consisting of hydrogen, 5R14, and -C(0)R9,
R2 is selected from the group consisting of hydrogen,
Figure imgf000030_0001
, halo, (Ci-C6)alkyl, (C C6)alkoxy, nitrile, oxo, hydroxyl, -NHR5R14, -OR7, -R5R14(R6)W, -R10R5R14, -R12, - R14, -R 0R6, -R10(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R13R14, -R9R10, - R 0R14, -(R14R12), -R13R6, -R1 R6, -C02R7, (C3-C12)cycloalkyl, and (C4-C14)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14;
R3 is selected from the group consisting of hydrogen, halo, and (Ci-C6)alkyl;
R4 is selected from the group consisting of hydrogen, (Ci-CeJalkyl, (d-CeJalkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R15)„, -OR7, -R12, and halo;
R5 is a branched or straight chain (C C6)alkylene;
R6 is independently selected from the group consisting of (Ct-CeJalkyl, oxo, (d-
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (Ci-C6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (CrC7)alkyl, -R10,
-R 3, -R14, -R5R13, -R5R10, -R10(R11)M, and -R5R10(R1 )M;
R9 is (d-C7)alkyl;
R 0 is (C4-C14)aryl;
R 1 is selected from the group consisting of nitrile, halo, (C C6)alkyl, (Ci-C6)alkoxy, and -R14R12;
R 2 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R13 is (C3-C12)cycloalkyl;
R14 is selected from (d-di)heterocycle or (d-di)heteroaryl, each having one to three heteroatoms selected from N and O;
R15 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0064] In another embodiment of the present invention, there is provided a compound of
Formula (III), or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond, methylene, ethylene, dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene;
X is selected from the group consisting of -R6, -R 2, -R14, and -R14(R6)n, -C(0)R12, and -C(0)R14;
R is selected from the group consisting of hydrogen, R14, and -C(0)R9; selected from the group consisting of hydrogen,
Figure imgf000031_0001
isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R 0R5R14, -R12, -R14, -(R )2, - S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R 3R14, -R 0R14, -R13R6, - R1 R6, -(R14R12), cyclopentyl, dihydroindenyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl;
R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R 0(R1 )M, and -R5R 0(R 1)M; R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R1 R
R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R 3 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl; R 4 is selected from the group consisting of morpholinyl, thiomorpholinyl, tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0065] In another embodiment of the present invention, there is provided a compound of
Formula (I):
Figure imgf000032_0001
R3
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (Cr C6)alkylene;
X is selected from the group consisting of hydrogen, (d-C6)alkoxy, nitrile, -C(0)R12, and
-C(0)R14;
selected from the group consisting of hydrogen, 5R14, -C(0)R9
R2 is selected from the group consisting of hydrogen,
Figure imgf000032_0002
, halo, (Ci-C6)alkyl, (C C6)alkoxy, nitrile, oxo, hydroxyl, -NHR R14, -OR7, -R5R1 (R6)W, -R10R5R14, -R12, - R14 _RioR6_ _R( R6)n i _so2R10, -S02R12, -S02R13, -S02R14, -R13R14, -R9R10, - RioRi4 .(R1 R12) _R13R6 .R14R6 _C0.,R7 f (C3-C12)cycloalkyl, and (C4-Ci4)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)wR14;
R3 is selected from the group consisting of hydrogen, halo, and (C^-C6)a\ky\;
R4 is selected from the group consisting of hydrogen, (CrC6)alkyl, (CrC6)alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -OR7, -R12, and halo;
R5 is a branched or straight chain (Ci-C6)alkylene; R6 is independently selected from the group consisting of (d-C6)alkyl, oxo, (Ci-
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (Ci-C6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (Ci-C7)alkyl, -R 0,
-R13, -R14, -R5R13, -R5R10, -R10(R11)M, and -R5R10(R11)M;
R9 is (Ci-C7)alkyl;
R10 is (C4-C14)aryl;
R11 is selected from the group consisting of nitrile, halo, (CrC6)alkyl, (C C6)alkoxy, and
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R13 is (C3-C12)cycloalkyl;
R14 is selected from (Ci-Cn)heterocycle or (CrCn)heteroaryl, each having one to three heteroatoms selected from N and O;
R15 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0066] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond, methylene, ethylene,
dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene;
X is selected from the group consisting of hydrogen, (C C6)alkoxy, nitrile, -C(0)R12, and -C(0)R14;
R is selected from the group consisting of hydrogen, 5R14, and -C(0)R9; selected from the group consisting of hydrogen,
Figure imgf000033_0001
, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R 2, -R14, -(R1 )2, - S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R13R6, - R14R6, -(R R12), cyclopentyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14; R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl; R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R1 )M, and -R5R10(R11)M; R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyi, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R14R12;
R 2 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
R 4 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, piperidinyl, and pyridinyl;
R 5 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
e.ach n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0067] In another embodiment of the present invention, there is provided a compound of
Formula (IV):
Figure imgf000035_0001
R3
rmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (C
C6)alkylene;
X is selected from the group consisting of hydrogen, (CrC6)alkoxy, nitrile, -C(0)R12, -C(0)R14, -S02R6, -S02R12, -S02R14, -S02R1 (R6)n, -NHSO2R10(R6)n,
-NHSO2R5R 0(R6)n, -NHS02R13, -NHS02R14, -NHS02R5(R6)n, and
-NHS02R14(R6)n;
R is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000035_0002
, halo, (d-C6)alkyl, (Ci- C6)alkoxy, nitrile, oxo, hydroxy!, -NHR5R14, -OR7, -R5R (R6)W, -R10R5R14, -R12, - R14, -R10R6, -R10(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R 3R14, -R9R10, - RioRi4 .(R14R12) _R13R6
Figure imgf000035_0003
_COzR7 (C3-C12)cycloalkyl, and (C4-C14)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14; R1 and R2 taken together with any intervening atoms and when Z is a bond, can
optionally form a fused (C2-C6)heterocyclic ring having 1-3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, halo, and (C C6)alkyl;
R4 is selected from the group consisting of hydrogen, (C C6)alkyl, (C C6)alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R15)n, -OR7, -R12, and halo;
R5 is a branched or straight chain (d-CeJalkylene;
R6 is independently selected from the group consisting of (d-CeJalkyl, oxo, (C
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (Ci-C6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (CrC7)alkyl, -R10,
-R13, -R14, -R5R13, -R5R10, -R10(R11)M, and -R5R10(R1 )M; R9 is (d-C7)alkyl;
R10 is (C4-C14)aryl;
R is selected from the group consisting of nitrile, halo, (Ci-C6)alkyl, (C C6)alkoxy, and
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R13 is (C3-C12)cycloalkyl;
R1 is selected from (d-C Jheterocycle or (CrCuJheteroaryl, each having one to three heteroatoms selected from N and O;
R 5 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0068] In another embodiment of the present invention, there is provided a compound of
Formula (IV), or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond, methylene, ethylene,
dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene;
X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R12,
-C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n> -NHS02R10, -NHSO2R10(R6)n, -NHSO2R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9, -NHS02R1 (R6)n,
R1 is selected from the group consisting of hydrogen, 5R14, and -C(0)R9; selected from the group consisting of hydrogen,
Figure imgf000036_0001
isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, -(R14)2, - S02R10, -S02R12, -SO2R13, -S02R14, -C02R7, -R 0R6, -R13R14, -R10R14, -R13R6, - R14R6, -(R R12), cyclopentyl, dihydroindenyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)wR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond can
optionally form a fused imidazole ring that can also be optionally substituted with one to two R6 groups; R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl; R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, heptyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, and -R5R10(R11)M; R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, heptyl, dimethylbutanyl, and dimethylpentanyl;
R 0 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R14R12;
R 2 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl; R 4 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R 5 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
[0069] In another embodiment of the present invention, there is provided a compound of
Formula (V):
(V)
Figure imgf000038_0001
or a pharmaceutically acceptable salt thereof, wherein:
X is selected from -NHSO2R10(R6)n or -S02R12;
R is selected from the group consisting of hydrogen, -C02R7, -C(0)R10, and -C(0)R9; R2 is selected from the group consisting of hydrogen, -R10R12, -R 0R14, -R10, -R15, and -R10R6;
R4 is selected from hydrogen or (C C6)alkoxy;
R6 is independently selected from the group consisting of (Ci-C6)alkyl, oxo, (C
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from hydrogen or (CrC6)alkyl;
R8 is selected from hydrogen or (Ci-C7)alkyl;
R9 is (C C7)alkyl;
R 0 is (C4-C14)aryl;
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R 4 is selected from (Ci-C )heterocycle or (d-CuJheteroaryl, each having one to three heteroatoms selected from N and O;
R15 is halo; and
each n is independently zero or an integer from 1 to 3.
[0070] In another embodiment of the present invention, there is provided a compound of
Formula (V), or a pharmaceutically acceptable salt thereof, wherein:
X is selected from -NHSO2R 0(R6)2 or -S02R12;
R1 is selected from the group consisting of hydrogen, -C02R7, -C(0)R10, and -C(0)R9; R2 is selected from the group consisting of hydrogen, -R 0R12, -R10R14, -R10, -R15, and -R10R6;
R4 is selected from hydrogen or methoxy;
R6 is independently selected from the group consisting of methyl, oxo, methoxy, fluoro, bromo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, and butyl; R8 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, butyl, heptyl, hexyl, and heptyl;
R9 is selected from the group consisting of methyl, ethyl, propyl, butyl heptyl, hexyl, and heptyl;
R10 is phenyl;
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R14 is morpholinyl; and
R 5 is selected from fluoro or bromo.
[0071] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein:
[0072] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein Z is selected from the group consisting of a bond, methylene, ethylene, dimethylmethylene, methylmethylene,
ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and
isopropylmethylene.
[0073] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein Z is selected from the group consisting of a bond, methylene, and ethylene.
[0074] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein Z is selected from a bond or methylene. ,
[0075] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein Z is a bond.
[0076] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein Z is methylene.
[0077] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein X is selected from the group consisting of -S02R6, -S02R12, -S02R14, -S02R 4(R6)n, -NHS02R10, -NHSO2R10(R6)n,
-NHS02R13, -NHSO2R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9, and, -NHS02R1 (R6)n.
[0078] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein X is selected from the group consisting of -S02R6, -S02R12, -S02R14, and -S02R14(R6)n.
[0079] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein X is selected from the group consisting of -NHS02R10, -NHSO2R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9, and, -NHS02R14(R6)n.
[0080] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein X is selected from
-NHSO2R 0(R6)n or -S02R12.
[0081] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein X is -NHSO2R10(R6)n.
[0082] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R1 is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9;
[0083] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R1 is hydrogen.
[0084] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R2 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, -(R )2, - S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R 0R6, -R13R14, -R10R14, -R13R6, -R14R6, -(R 4R12), (C3-C13)cycloalkyl, and phenyl.
[0085] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R2 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R 0R5R14, -R12, -R14, -(R14)2, - S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R 3R6, -R 4R6, -(R1 R12), cyclopentyl, dihydroindenyl, and phenyl.
[0086] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R2 is -R10R14.
[0087] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R2 is selected from the group consisting of morpholinylphenyl.
[0088] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R3 is hydrogen.
[0089] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, and iodo.
[0090] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R4 is methoxy.
[0091] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R5 is methylene.
[0092] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7.
[0093] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, and t-butyl.
[0094] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
[0095] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R8 is independently selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, heptyl, hexyl, heptyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, and -R5R 0(R11)M.
[0096] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R8 is independently selected from hydrogen or methyl.
[0097] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R9 is independently selected from the group consisting of R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, hexyl, and heptyl.
[0098] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R10 is phenyl.
[0099] In another embodiment of the present invention, there is provided a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, wherein R1 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, and methoxy. [00100] In another embodiment of the present invention, there is provided a compound of Formula (I), or a pharmaceutically acceptable salt thereof, wherein R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl.
[00101] In another embodiment of the present invention, there is provided a compound of Formula (I), or a pharmaceutically acceptable salt thereof, wherein R14 is selected from the group consisting of morpholinyl, thiomorpholinyl, tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidinone, piperidinyl, and pyridinyl.
[00102] In another embodiment of the present invention, there is provided a compound of Formula (I), or a pharmaceutically acceptable salt thereof, wherein R is morpholinyl.
[00103] In another embodiment of the present invention, there is provided a compound of Formula (I), wherein Z is selected from the group consisting of a bond, methylene, and ethylene.
[00104] In another embodiment of the present invention, there is provided a compound of Formula (I), wherein Z is a bond.
[00105] In another embodiment of the present invention, there is provided a compound of Formula (I), wherein Z is methylene.
[00106] In another embodiment of the present invention, there is provided a compound of Formula (I), wherein each m is independently an integer ranging from 1 to 3.
[00107] In another embodiment of the present invention, there is provided a compound of Formula (I), wherein each n is independently an integer from 1 to 3.
[00108] In another embodiment of the present invention, there is provided a compound of Formula (I), wherein each w is independently an integer from 1 to 6.
[00109] In another embodiment of the present invention, there is provided a compound of Formula (I), wherein m is 3.
[00110] In another embodiment of the present invention, there is provided a compound of Formula (I), wherein n is 2.
[00111] In another embodiment of the present invention, there is provided a compound of Formula (I), wherein w is 1.
[00112] In another embodiment of the invention, there is provided a compound of any of Formulas I, II, III, IV, and V, wherein the compound or salt of the compound is used in the manufacture of a medicament for use in the treatment of a viral infection in a human.
[00113] In another embodiment of the invention, there is provided a pharmaceutical composition comprising a pharmaceutically acceptable diluent and a therapeutically effective amount of a compound as defined in any of Formulas I, II, III, IV, and V. [00114] In another embodiment of the invention, there is provided a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses which method comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any of Formulas I, II, III, IV, and V.
[00115] In another embodiment of the invention, there is provided a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses which method comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any of Formulas I, II, III, IV, V, and VI, wherein said virus is hepatitis C virus.
[00116] In another embodiment of the invention, there is provided a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses which method comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any of Formulas I, II, I II, IV, and V, further comprising administration of a therapeutically effective amount of one or more agents active against hepatitis C virus.
[00117] In another embodiment of the invention, there is provided a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses which method comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any of Formulas I, II, III, IV, and V, further comprising administration of a therapeutically effective amount of one or more agents active against hepatitis C virus, wherein said agent active against hepatitis C virus is an inhibitor of HCV protease, HCV polymerase, HCV helicase, HCV entry, HCV assembly, HCV egress, HCV replicase, HCV NS5A protein, or inosine ^-monophosphate dehydrogenase.
[00118] In another embodiment of the invention, there is provided a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses which method comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any of Formulas I, II, III, IV, and V, further comprising administration of a therapeutically effective amount of one or more agents active against hepatitis C virus, wherein said agent active against hepatitis C virus is interferon.
[00119] In another embodiment of the invention, there is provided a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses which method comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any of Formulas I, II, III, IV, and V, further comprising administration of a therapeutically effective amount of one or more agents active against hepatitis C virus, wherein said agent active against hepatitis C virus is ribavirin.
[00120] In another embodiment of the invention, there is provided a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses which method comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any of Formulas I, II, III, IV, and V, further comprising administration of a therapeutically effective amount of one or more agents active against hepatitis C virus, wherein said agent active against hepatitis C virus is interferon in combination with ribavirin.
[00121] In yet further embodiments, the compound of the present invention, or a pharmaceutically acceptable salt thereof, is chosen from the compounds set forth in Table 1 .
Table 1
Figure imgf000044_0001
-
Figure imgf000045_0001
Figure imgf000046_0001
Figure imgf000047_0001
Figure imgf000048_0001
Figure imgf000049_0001
Figure imgf000050_0001
5-(2-amino-1-{[4- (dimethylamino)tetrahydro-2H-
37 pyran-4-yl]methyl}-1 H- benzimidazol-6-yl)-2-(methyloxy)- N-phenyl-3-pyridinesulfonamide
5-(2-amino-1-{[4-
(dimethylamino)tetrahydro-2H- pyran-4-yl]methyl}-1 H-
38
benzimidazol-6-yl)-N-(4- fluorophenyl)-2-(methyloxy)-3- pyridinesulfonamide
5-(2-amino-1 -(tert-butyl)-l H- benzo[d]imidazol-6-yl)-N-(tert-
39
butyl)-2-methoxypyridine-3- sulfonamide
5-(2-amino-1-phenyl-1 H- benzo[d]imidazol-6-yl)-N-(tert-
40
butyl)-2-methoxypyridine-3- sulfonamide
5-(2-amino-1-((4- (dimethylamino)tetrahydro-2H- pyran-4-yl)methyl)-1 H-
41
benzo[d]imidazol-6-yl)-2-methoxy- N-phenylpyridine-3-sulfonamide, Formic acid salt O 5-(2-amino-1-(4- morpholinophenyl)-1 H-
42 benzo[d]imidazol-6-yl)-2-methoxy- N-methyl-N-phenylpyridine-3- sulfonamide, Formic acid salt
5-(2-amino-1-((4-
(dimethylamino)tetrahydro-2H- pyran-4-yl)methyl)-1 H-
43
benzo[d]imidazol-6-yl)-N-(tert- butyl)-2-methoxypyridine-3- sulfonamide
5-(2-amino-1-isobutyl-1 H- benzo[d]imidazol-6-yl)-N-(tert-
44
butyl)-2-methoxypyridine-3- sulfonamide, Formic acid salt
5-(2-amino-1-cyclopentyl-1 H- benzo[d]imidazol-6-yl)-N-(tert-
45
butyl)-2-methoxypyridine-3- sulfonamide, Formic acid salt
5-(2-amino-1-(pyridin-3-ylmethyl)- 1 H-benzo[d]imidazol-6-yl)-N-(tert-
46
butyl)-2-methoxypyridine-3- sulfonamide, Formic acid salt
Oh
5-(2-amino-1-((1 r,4r)-4- hydroxycyclohexyl)-1 H-
47 benzo[d]imidazol-6-yl)-N-(tert- butyl)-2-methoxypyridine-3- sulfonamide 0 5-(2-amino-1-(4- morpholinophenyl)-1 H-
48 benzo[d]imidazol-6-yl)-N-(tert- butyl)-2-methoxy-N-methylpyridine- 3-sulfonamide, Formic acid salt
tert-butyl 3-(2-amino-6-(5-(N-(tert- butyl)sulfamoyl)-6-methoxypyridin-
49 3-yl)-1 H-benzo[d]imidazol-1 - yl)pyrrolidine-1-carboxylate, Formic acid salt
5-(2-amino-1-(pyrrolidin-3-yl)-1 H- benzo[d]imidazol-6-yl)-N-(tert-
50
butyl)-2-methoxypyridine-3- sulfonamide, Trifluoroacetate
5-(2-amino-1-(2-phenylpropan-2- yl)-1 H-benzo[d]imidazol-6-yl)-N-
51
(tert-butyl)-2-methoxypyridine-3- sulfonamide, Formic acid salt
(S)-5-(2-amino-1 -(1 -phenylethyl)- 1 H-benzo[d]imidazol-6-yl)-N-(tert-
52
butyl)-2-methoxypyridine-3- sulfonamide, Formic acid salt
5-(2-amino-1-(2,3-dihydro-1 H- inden-1-yl)-1 H-benzo[d]imidazol-6-
53 yl)-N-(tert-butyl)-2- methoxypyridine-3-sulfonamide, Formic acid salt
Figure imgf000054_0001
(R)-5-(2-amino-1 -( 1 -phenylethyl)- 1 H-benzo[d]imidazol-6-yl)-N-
60
benzyl-2-methoxypyridine-3- sulfonamide, Formic acid salt
(R)-5-(2-amino-1 -(1 -phenylethyl)- 1 H-benzo[d]imidazol-6-yl)-N-(3-
61
fluorophenyl)-2-methoxypyridine-3- sulfonamide formic acid salt
(R)-5-(2-amino-1-(1-phenylethyl)- 1 H-benzo[d]imidazol-6-yl)-N-
62 benzyl-2-methoxy-N- methylpyridine-3-sulfonamide formic acid salt
5-(2-amino-1-(4- morpholinophenyl)-1 H-
63 benzo[d]imidazol-6-yl)-N-(tert- butyl)-2-methoxypyridine-3- sulfonamide formic acid salt
(R)-5-(2-amino-1 -(1 -phenylethyl)- 1 H-benzo[d]imidazol-6-yl)-N-(tert-
64
butyl)-2-methoxypyridine-3- sulfonamide 5-(2-amino-1 -(3-(oxazol-5- yl)phenyl)-1 H-benzo[d]imidazol-6-
65
yl)-N-(tert-butyl)-2- methoxypyridine-3-sulfonamide
5-(2-amino-1-(3- morpholinophenyl)-1 H-
66 benzo[d]imidazol-6-yl)-N-(tert- butyl)-2-methoxypyridine-3- sulfonamide
(R)-5-(2-amino-5-fluoro-1 -( 1 - phenylethyl)-1 H-benzo[d]imidazol-
67
6-yl)-N-(tert-butyl)-2- methoxypyridine-3-sulfonamide
5-(2-amino-1-(4- morpholinophenyl)-1 H-
68 benzo[d]imidazol-6-yl)-N-(3- chlorophenyl)-2-methoxypyridine-3- sulfonamide, Formic acid salt
(R)-5-(2-amino-1-(1-phenylpropyl)- 1 H-benzo[d]imidazol-6-yl)-N-(tert-
69 butyl)-2-methoxypyridine-3- sulfonamide, Formic acid salt
(R)-5-(2-amino-1-(2-methyl-1- phenylpropyl)-1 H-benzo[d]imidazol-
70 6-yl)-N-(tert-butyl)-2- methoxypyridine-3-sulfonamide, Formic acid salt
Figure imgf000057_0001
6-[6-amino-5-(1-piperidinylsulfonyl)- 3-pyridinyl]-1-[4-(4-
76
morpholinyl)phenyl]-1 Η-
Figure imgf000058_0001
benzimidazol-2-amine
6-{6-amino-5-[(1 ,1-dioxido-4- thiomorpholinyl)sulfonyl]-3-
77 pyridinyl}-1-[4-(4- morpholinyl)phenyl]-1 H- benzimidazol-2-amine
2-amino-5-{2-amino-1 -[4-(4- morpholinyl)phenyl]-1 H-
78 benzimidazol-6-yl}-N-(4- cyanophenyl)-3-
Figure imgf000058_0002
pyridinesulfonamide
2-amino-5-{2-amino-1 -[4-(4- morpholinyl)phenyl]-1 H-
79 benzimidazol-6-yl}-N-(tetrahydro- 2H-pyran-4-yl)-3-
Figure imgf000058_0003
pyridinesulfonamide
2-amino-5-{2-amino-1-[4-(4- morpholinyl)phenyl]-1 H-
80 benzimidazol-6-yl}-N-(2,4- difluorophenyl)-3- pyridinesulfonamide
Figure imgf000059_0001
Figure imgf000060_0001
Figure imgf000061_0001
Figure imgf000062_0001
5-{2-amino-1-[4-(4- morpholinyl)phenyl]-1 H-
104 benzimidazol-6-yl}-N-(4- fluorophenyl)-2-(methyloxy)-3- pyridinesulfonamide
Figure imgf000063_0001
6-[6-(methyloxy)-5-(1- pyrrolidinylsulfonyl)-3-pyridinyl]-1-
105
[4-(4-morpholinyl)phenyl]-1 H- o ώ benzimidazol-2-amine
6-{6-(methyloxy)-5-[(4-methyl-1- piperazinyl)sulfonyl]-3-pyridinyl}-1-
106
[4-(4-morpholinyl)phenyl]-1 H-
0 0 benzimidazol-2-amine
5-{2-amino-1-[4-(4- morpholinyl)phenyl]-1 H-
107 benzimidazol-6-yl}-N-(2- hydroxyethyl)-2-(methyloxy)-3-
Figure imgf000063_0002
pyridinesulfonamide
5-{2-amino-1-[4-(4- morpholinyl)phenyl]-1 H-
108
benzimidazol-6-yl}-N-cyclopentyl-2- (methyloxy)-3-pyridinesulfonamide
5-{2-amino-1-[4-(4- morpholinyl)phenyl]-1 H-
109 benzimidazol-6-yl}-2-(methyloxy)- N-[3-(methyloxy)phenyl]-3- pyridinesulfonamide
5-{2-amino-1-[4-(4- morpholinyl)phenyl]-1 H-
1 10 benzimidazol-6-yl}-2-(methyloxy)- N-(4-methylphenyl)-3-
Figure imgf000064_0001
pyridinesulfonamide
5-{2-amino-1-[4-(4- morpholinyl)phenyl]-1 H-
1 1 1 benzimidazol-6-yl}-2-(methyloxy)- N-(2-methylphenyl)-3- pyridinesulfonamide
5-{2-amino-1-[4-(4- morpholinyl)phenyl]-1 H-
1 12 benzimidazol-6-yl}-2-(methyloxy)-
Figure imgf000064_0002
N-(3-methylphenyl)-3- pyridinesulfonamide
1 13 TP?1- 5-(2-amino-1-(4- morpholinophenyl)-1 H- benzo[d]imidazol-6-yl)-4-methoxy- N-(4-methoxyphenyl)pyridine-3- sulfonamide 5-(2-amino-1-(4- morpholinophenyl)-1 H-
114 benzo[d]imidazol-6-yl)-2-methoxy- N-(2-methoxyphenyl)pyridine-3- sulfonamide
5-(2-amino-1-(4- morpholinophenyl)-1 H-
1 15 benzo[d]imidazol-6-yl)-N-(3- fluorophenyl)-2-methoxypyridine-3- sulfonamide
5-(2-amino-1-(4- morpholinophenyl)-1 H-
116 benzo[d]imidazol-6-yl)-N-(2- fluorophenyl)-2-methoxypyridine-3- sulfonamide
Figure imgf000065_0001
5-(2-amino-1-(4- morpholinophenyl)-1 H-
1 17 benzo[d]imidazol-6-yl)-N-(2-fluoro- 3-methylphenyl)-2- methoxypyridine-3-sulfonamide
5-(2-amino-1 -isopropyl-1 H- benzo[d]imidazol-6-yl)-N-(tert-
1 18
butyl)-2-methoxypyridine-3- sulfonamide
5-(2-amino-1-(3-morpholinopropyl)- 1 H-benzo[d]imidazol-6-yl)-N-(tert-
1 19
butyl)-2-methoxypyridine-3- sulfonamide
Figure imgf000066_0001
2- amino-6-(5-(N-(tert- butyl)sulfamoyl)-6-methoxypyridin-
126
3- yl)-N,N-dimethyl-1 H- benzo[d]imidazole-1 -sulfonamide
Figure imgf000067_0001
5-(2-amino-1-(4- morpholinophenyl)-1 H-
127 benzo[d]imidazol-6-yl)-N-(tert- butyl)-2-(methylamino)pyridine-3- sulfonamide
5-(2-amino-1-(4- morpholinophenyl)-1 H-
128 benzo[d]imidazol-6-yl)-N-(tert- butyl)-2-(dimethylamino)pyridine-3- sulfonamide
5-(2-amino-1-(4- morpholinophenyl)-1 H-
129 benzo[d]imidazol-6-yl)-N-(tert- butyl)-2-ethoxypyridine-3- sulfonamide, Formate salt
N-[5-[2-amino-1-(2-methylpropyl)- 1 H-benzimidazol-6-yl]-2-
130
(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide N-[5-(2-amino-1-methyl-1 H- benzimidazol-6-yl)-2-(methyloxy)-3-
131
pyridinyI]-2,4- difluorobenzenesulfonamide
N-[5-(2-amino-1-cyclopentyl-1 H- benzimidazol-6-yl)-2-(methyloxy)-3-
132
pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-[2-amino-1-(1-methylethyl)- 1 H-benzimidazol-6-yl]-2-
133
(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide
2,4-difluoro-N-[2-(methyloxy)-5-(2- {[2-(4-morpholinyl)ethyl]amino}-1 H-
134
benzimidazol-5-yl)-3- pyridinyl]benzenesulfonamide
2,4-difluoro-N-[2-(methyloxy)-5-(2- {[2-(1 -pyrrolidinyl)ethyl]amino}-1 H-
135
benzimidazol-5-yl)-3- pyridinyljbenzenesulfonamide N-[5-{2-amino-1-[3-(2-oxo-1- pyrrolidinyl)propyl]-1 H-
136 benzimidazol-6-yl}-2-(methyloxy)-3- pyridinylJ-2,4- difluorobenzenesulfonamide
N-[5-{2-amino-1-[2- (methyloxy)phenyl]-1 H-
137 benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-{2-amino-1-[3-(4- morpholinyl)phenyl]-1 H-
138 benzimidazol-6-yl}-2-(met yloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-[2-amino-1 -(phenylmethyl)- 1 H-benzimidazol-6-yl]-2-
139 (methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide hydrobromide
N-[5-{2-amino-1-[4- (methyloxy)phenyl]-1 H-
140 benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-{2-amino-1-[(1 R)-1- phenylethyl]-1 H-benzimidazol-6-yl}-
141
2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide N-[5-[2-amino-1 -(3- pyridinylmethyl)-1 H-benzimidazol-
142
6-yl]-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-{2-amino-1 -[3-(3-oxo-4- morpholinyl)propyl]-1 H-
143 benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-[2-amino-1 -(trans-4- hydroxycyclohexyl)-1 H-
144 benzimidazol-6-yl]-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-{2-amino-1 -[(1 S)-1 - phenylethyl]-1 H-benzimidazol-6-yl}-
145
2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-[2-amino-1 -(tetrahydro-2H- pyran-4-yl)-1 H-benzimidazol-6-yl]-
146
2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-{2-amino-1 -[3-(4- morpholinylmethyl)phenyl]-1 H-
147 benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide N-[5-{2-amino-1-[3-(4- morpholinyl)propyl]-1 H-
148
benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-3-pyridinesulfonamide
N-[5-(2-amino-1-{[4- (dimethylamino)tetrahydro-2H- pyran-4-yl]methyl}-1 H-
149
benzimidazol-6-yl)-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-{2-amino-1-[4-(4- morpholinyl)phenyl]-1 H-
150
benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-3-pyridinesulfonamide
N-[5-{2-amino-1-[2-(4- morpholinyl)cyclopentyl]-1 H-
151 benzim idazol-6-yl}-2-( methy loxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-[2-amino-1-(1 ,1- dimethylethyl)-1 H-benzimidazol-6-
152
yl]-2-(methyloxy)-3-pyridinyl]-3- pyridinesulfonamide
N-[5-[2-amino-1-(phenylsulfonyl)- 1 H-benzimidazol-6-yl]-2-
153 (methyloxy)-3-pyridinyl]-3- pyridinesulfonamide
N-[5-[2-amino-1-(phenylsulfonyl)- 1 H-benzimidazol-6-yl]-2- (methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-[2-amino-1-(2-phenylethyl)- 1 H-benzimidazol-6-yl]-2- (methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-[2-amino-1-(3-phenylpropyl)- 1 H-benzimidazol-6-yl]-2- (methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide
N-(5-(2-amino-1 -(2,3-dihydro-1 H- inden-1 -yl)-1 H-benzo[d]imidazol-6- yl)-2-methoxypyridin-3-yl)-2,4-
Figure imgf000072_0001
difluorobenzenesulfonamide
5-(2-amino-1-((4-(pyrrolidin-1- yl)tetrahydro-2H-pyran-4- yl)methyl)-1 H-benzo[d]imidazol-6- yl)-N-(2,4-difluorophenyl)-2- methoxypyridine-3-sulfonamide formic acid salt N-(5-(2-amino-1- (morpholinosulfonyl)-l H-
159 benzo[d]imidazol-6-yl)-2- methoxypyridin-3-yl)-2,4- difluorobenzenesulfonamide
N-(6-(5-(2,4- difluorophenylsulfonamido)-6-
160
methoxypyridin-3-yl)-1 H- benzo[d]imidazol-2-yl)acetamide
N-(5-(2-amino-1-(4- morpholinophenyl)-1 H- benzo[d]imidazol-6-yl)-2-
161
methoxypyridin-3- yl)cyclopropanesulfonamide, Formic acid salt
N-[5-{2-amino-1-[4-(4- morpholinyl)phenyl]-1 H-
162 benzimidazol-6-yl}-2-(methyloxy)-3- pyridinylj-2,4- difluorobenzenesulfonamide
N-[5-{2-amino-1-[3-(4- morpholinyl)propyl]-1 H-
163 benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-(2-amino-1-{[4-(4- morpholinyl)phenyl]methyl}-1 H-
164 benzimidazol-6-yl)-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
Figure imgf000074_0001
1 ,1-dimethylethyl 3-{2-amino-6-[5- {[(2,4- difluorophenyl)sulfonyl]amino}-6-
171
(methyloxy)-3-pyridinyl]-1 H- benzimidazol-1-yl}-1- pyrrolidinecarboxylate
N-[5-[2-amino-1-(4-methylphenyl)- 1 H-benzimidazol-6-yl]-2-
172 (methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-[2-amino-1-(3-methylphenyl)- 1 H-benzimidazol-6-yl]-2-
173 (methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-[2-amino-1 -(3-pyrrolidinyl)-1 H- benzimidazol-6-yl]-2-(methyloxy)-3-
174
pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-{2-amino-1-[3-(1 ,3-oxazol-5- yl)phenyl]-1 H-benzimidazol-6-yl}-2-
175 (methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide
1 ,1-dimethylethyl (2S)-2-{2-amino- 6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-
176 (methyloxy)-3-pyridinyl]-1 H- benzimidazol-1-yl}-3- methylbutanoate 1 , 1 -dimethylethyl 2-{2-amino-6-[5- {[(2,4-
177 difluorophenyl)sulfonyl]amino}-6- (methyloxy)-3-pyridinyl]-1 H- benzimidazol-1 -yl}propanoate
(2S)-2-{2-amino-6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-
178 (methyloxy)-3-pyridinyl]-1 H- benzimidazol-1 -yl}-3- methylbutanoic acid
N-{6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-
179
(methyloxy)-3-pyridinyl]-1-methyl- 1 H-benzimidazol-2-yl}acetamide
2,4-difluoro-N-[5-[(3S)-3-(1- methylethyl)-2-oxo-2,3-dihydro-1 H-
180 imidazo[1 ,2-a]benzimidazol-6-yl]-2- (methyloxy)-3- pyridinyl]benzenesulfonamide
N-[5-(2-amino-1-{[2-(4- morpholinyl)cyclohexyl]methyl}-1 H-
181 benz.imidazol-6-yl)-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
(R)-tert-butyl 2-(2-amino-6-(5-(2,4- difluorophenylsulfonamido)-6-
182 methoxypyridin-3-yl)-1 H- benzo[d]imidazol-1 -yl)-3- methylbutanoate
Figure imgf000077_0001
Figure imgf000078_0001
x 5 N-[5-{2-aminb- 1 -[3-(4-hyd roxy- 1 - piperidinyl)propyl]-1 H-
195 benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
x N-[5-{2-amino-1-[3-(1 ,1-dioxido-4- thiomorpholinyl)propyl]-1 H-
196 benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide x 5 N-[5-{2-amino-1-[3-(4-fluoro-1- piperidinyl)propyl]-1 H-
197 benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-{2-amino-1-[3-(1- piperidinyl)propyl]-1 H-
198 benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4- diflubrobenzenesulfonamide
N-[5-(2-amino-1-{3-[(tetrahydro-2- furanylmethyl)amino]propyl}-1 H-
199 benzimidazol-6-yl)-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
'to- N-[5-{2-amino-1-[3-(2,6-dimethyl-4- morpholinyl)propyl]-1 H-
200 to benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide 2-amino-6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-
201 (methyloxy)-3-pyridiny l]-N , N- dimethyl-1 H-benzimidazole-1 - sulfonamide
N-[5-[2-amino-1- (cyclopropylsulfonyl)-l H-
202 benzimidazol-6-yl]-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-(2-amino-1-{[1-(4- morpholinylmethyl)cyclopropyl]met
203 hyl}-1 H-benzimidazol-6-yl)-2- (methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide
N-[5-{2-amino-1-[3-(4- morpholinyl)butyl]-1 H-
204 benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
N-(5-(2-amino-1-(4- morpholinophenyl)-1 H-
205 benzo[d]imidazol-6-yl)-2- methoxypyridin-3-yl)tniophene-2- sulfonamide
N-(5-(2-amino-1-(4- morpholinophenyl)-1 H-
206 benzo[d]imidazol-6-yl)-2- methoxypyridin-3-yl)-1-methyl-1 H-
Figure imgf000080_0001
indole-7-sulfonamide N-(5-(2-amino-1-(3-cyanopropyl)- 1 H-benzo[d]imidazol-6-yl)-2-
207
methoxypyridin-3-yl)-2,4- difluorobenzenesulfonamide
N-(5-(2-amino-1-(2- thiomorpholinoethyl)-1 H-
208 benzo[d]imidazol-6-yl)-2- methoxypyridin-3-yl)-2,4-
Figure imgf000081_0001
difluorobenzenesulfonamide
N-(5-(2-amino-1-(2-(1 ,1- dioxidothiomorpholino)ethyl)-1 H-
209 benzo[d]imidazol-6-yl)-2- methoxypyridin-3-yl)-2,4- difluorobenzenesulfonamide
N-(5-(2-amino-1-phenyl-1 H- benzo[d]imidazol-6-yl)-2-
210
methoxypyridin-3-yl)-2,4- difluorobenzenesulfonamide
Figure imgf000081_0002
N-(5-(2-amino-1 -(tert-butyl)-l H- benzo[d]imidazol-6-yl)-2-
21 1
methoxypyridin-3-yl)-2,4- difluorobenzenesulfonamide
N-(5-(2-amino-1-(2-phenylpropan- 2-yl)-1 H-benzo[d]imidazol-6-yl)-2-
212
methoxypyridin-3-yl)-2,4- difluorobenzenesulfonamide
Figure imgf000082_0001
6-[5-(methylsulfonyl)-3-pyridinyl]-1-
219 [3-(4-morpholinyl)propyl]-1 H- benzimidazol-2-amine
6-[5-(methylsulfonyl)-3-pyridinyl]-1-
220 [(1 S)-1-phenylethyl]-1 H- benzimidazol-2-amine
1-(1 ,1-dimethylethyl)-6-[5-
221 (methylsulfonyl)-3-pyridinyl]-1 H- benzimidazol-2-amine
6-[5-(methylsulfonyl)-3-pyridinyl]-1-
222 (phenylsulfonyl)-I H-benzimidazol-
2-amine
0 6-[6-(methyloxy)-5-(methylsulfonyl)- 3-pyridinyl]-1-[4-(4-
223 morpholinyl)phenyl]-1 H- benzimidazol-2-amine
N-(5-(2-amino-1-(4- morpholinophenyl)-1 H-
224 benzo[d]imidazol-6-yl)pyridin-2- yl)benzenesulfonamide 6-[5-(methylsulfonyl)-3-pyridinyl]-1-
225 [4-(4-morpholinyl)phenyl]-1 Η- benzimidazol-2-amine
Figure imgf000084_0001
5-{2-amino-1-[4-(4- morpholinyl)phenyl]-1 H-
226 benzimidazol-6-yl}-N-(1 ,1- dimethylethyl)-3- pyridinecarboxamide
5-{2-amino-1-[4-(4- morpholinyl)phenyl]-1 H-
227
benzimidazol-6-yl}-N-methyl-2- pyridinecarboxamide
5-{2-amino-1-[4-(4- morpholinyl)phenyl]-1 H-
228
benzimidazol-6-yl}-3- pyridinecarbonitrile
6-[5-(methyloxy)-3-pyridinyl]-1-[4-
229 (4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine
5-{2-amino-1-[4-(4- morpholinyl)phenyl]-1 H-
230 benzimidazol-6-yl}-3- pyridinecarboxamide
Figure imgf000084_0002
Figure imgf000085_0001
1 -(cyclopropylsulfonyl)-6-[5-
237 (methylsulfonyl)-3-pyridinyl]-1 H-
J U=l=0 benzimidazol-2-amine
1
2-amino-N,N-dimethyl-6-[5-
238 (methylsulfonyl)-3-pyridinyl]-1 H- benzimidazole-1 -sulfonamide
N-[5-{2-amino-3-[4-(4- morpholinyl)phenyl]imidazo[1 ,2-
239 a]pyridin-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide
1 ,1-dimethylethyl {3-bromo-6-[5- {[(2,4-
240 difluorophenyl)sulfonyl]amino}-6-
(methyloxy)-3-pyridinyl]imidazo[1 ,2- a]pyridin-2-yl}carbamate
1 ,1-dimethylethyl {6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-
241
(methyloxy)-3-pyridinyl]imidazo[1 ,2- a]pyridin-2-yl}carbamate
N-[5-{2-amino-3-[3-(4- morpholinyl)phenyl]imidazo[1 ,2-
242 a]pyridin-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4- difluorobenzenesulfonamide N-{6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-
243
(methyloxy)-3-pyridinyl]imidazo[1 ,2- a]pyridin-2-yl}acetamide
N-[5-(2-aminoimidazo[1 ,2-a]pyridin-
244 6-yl)-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide
N-{6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-
245
(methyloxy)-3-pyridinyl]imidazo[1 ,2- a]pyridin-2-yl}benzamide
5-(2-aminoimidazo[1 ,2-a]pyridin-6-
246 em wu ' yl)-N-(tert-butyl)-2- methoxypyridine-3-sulfonamide
N-(6-(5-(N-(tert-butyl)sulfamoyl)-6-
247 methoxypyridin-3-yl)imidazo[1 ,2- a]pyridin-2-yl)acetamide
N-(5-(2-amino-3-(4- cyanophenyl)imidazo[1 ,2-a]pyridin-
248
6-yl)-2-methoxypyridin-3-yl)-2,4- difluorobenzenesulfonamide N-(5-(2-amino-3-(4- (dimethylamino)phenyl)imidazo[1 ,2
249
-a]pyridin-6-yl)-2-methoxypyridin-3- yl)-2,4-difluorobenzenesulfonamide
N-(5-(2-amino-3-(4- methoxyphenyl)imidazo[1 ,2-
250
a]pyridin-6-yl)-2-methoxypyridin-3- yl)-2,4-difluorobenzenesulfonamide
N-(5-(2-amino-3- phenylimidazo[1 ,2-a]pyridin-6-yl)-2-
251
methoxypyridin-3-yl)-2,4- difluorobenzenesulfonamide
[00122] The compounds of Table 1 can be synthesized according to the Synthetic Methods, General Schemes, and the Examples described below.
[00123] In certain embodiments, the compound(s) of the present invention, or a pharmaceutically acceptable salt thereof, is chosen from the compounds set forth in Table 1.
Synthetic Methods
[00124] The methods of synthesis for the provided chemical entities employ readily available starting materials using the following general methods and procedures. It will be appreciated that where typical or preferred process conditions (i.e., reaction temperatures, times, mole ratios of reactants, solvents, pressures, etc.) are given; other process conditions can also be used unless otherwise stated. Optimum reaction conditions may vary with the particular reactants or solvent used, but such conditions can be determined by one skilled in the art by routine optimization procedures.
[00125] Additionally, the methods of this invention may employ protecting groups which prevent certain functional groups from undergoing undesired reactions. Suitable protecting groups for various functional groups as well as suitable conditions for protecting and deprotecting particular functional groups are well known in the art. For example, numerous protecting groups are described in T. W. Greene and G. M. Wuts, Protecting Groups in Organic Synthesis, Third Edition, Wiley, New York, 1999, and references cited therein.
[00126] Furthermore, the provided chemical entities may contain one or more chiral centers and such compounds can be prepared or isolated as pure stereoisomers, i.e., as individual enantiomers or diastereomers, or as stereoisomer-enriched mixtures. All such stereoisomers (and enriched mixtures) are included within the scope of this specification, unless otherwise indicated. Pure stereoisomers (or enriched mixtures) may be prepared using, for example, optically active starting materials or stereoselective reagents well-known in the art. Alternatively, racemic mixtures of such compounds can be separated using, for example, chiral column chromatography, chiral resolving agents and the like.
[00127] The starting materials for the following reactions are generally known compounds or can be prepared by known procedures or obvious modifications thereof. For example, many of the starting materials are available from commercial suppliers such as Aldrich Chemical Co. (Milwaukee, Wisconsin, USA), Bachem (Torrance, California, USA), Ernka-Chemce or Sigma (St. Louis, Missouri, USA). Others may be prepared by procedures, or obvious modifications thereof, described in standard reference texts such as Fieser and Fieser's Reagents for Organic Synthesis, Volumes 1-15 (John Wiley and Sons, 1991 ), Rodd's Chemistry of Carbon
Compounds, Volumes 1-5 and Supplemental (Elsevier Science Publishers, 1989), Organic Reactions, Volumes 1-40 (John Wiley and Sons, 1991 ), March's Advanced Organic Chemistry, (John Wiley and Sons, 4th Edition), and Larock's Comprehensive Organic Transformations (VCH Publishers Inc., 1989).
[00128] Unless specified to the contrary, the reactions described herein take place at atmospheric pressure, generally within a temperature range from -78 °C to 200 °C. Further, except as employed in the Examples or as otherwise specified, reaction times and conditions are intended to be approximate, e.g., taking place at about atmospheric pressure within a temperature range of about -78 °C to about 1 10 °C over a period of about 1 to about 24 hours; reactions left to run overnight average a period of about 16 hours.
[00129] The terms "solvent," "organic solvent," and "inert solvent" each mean a solvent inert under the conditions of the reaction being described in conjunction therewith, including, for example, benzene, toluene, acetonitrile, tetrahydrofuranyl ("THF"), dimethylformamide ("DMF"), chloroform, methylene chloride (or dichloromethane), diethyl ether, methanol, N- methylpyrrolidone ("NMP"), pyridine and the like. [00130] Isolation and purification of the chemical entities and intermediates described herein can be effected, if desired, by any suitable separation or purification procedure such as, for example, filtration, extraction, crystallization, column chromatography, thin-layer chromatography or thick-layer chromatography, or a combination of these procedures. Specific illustrations of suitable separation and isolation procedures can be had by reference to the examples herein below. However, other equivalent separation or isolation procedures can also be used.
[00131] When desired, the (R)- and (S)-isomers may be resolved by methods known to those skilled in the art, for example by formation of diastereoisomeric salts or complexes which may be separated, for example, by crystallization; via formation of diastereoisomeric derivatives which may be separated, for example, by crystallization, gas-liquid or liquid chromatography; selective reaction of one enantiomer with an enantiomer-specific reagent, for example enzymatic oxidation or reduction, followed by separation of the modified and unmodified enantiomers; or gas-liquid or liquid chromatography in a chiral environment, for example on a chiral support, such as silica with a bound chiral ligand or in the presence of a chiral solvent. Alternatively, a specific enantiomer may be synthesized by asymmetric synthesis using optically active reagents, substrates, catalysts or solvents, or by converting one enantiomer to the other by asymmetric transformation.
EXAMPLES
[00132] The following examples serve to more fully describe the manner of making and using the above-described invention. It is understood that these examples in no way serve to limit the true scope of the invention, but rather are presented for illustrative purposes. In the examples below and the synthetic schemes above, the following abbreviations have the following meanings. If an abbreviation is not defined, it has its generally accepted meaning. aq. = aqueous
ML = microliters
μΜ = micromolar
NMR = nuclear magnetic resonance
boc = tert-butoxycarbonyl
br = broad
Cbz = benzyloxycarbonyl
d = doublet chemical shift
degrees celcius
dichloromethane
doublet of doublets
Dulbeco's Modified Eagle's Medium
N,N-dimethylformamide
dimethylsulfoxide
ethyl acetate
gram
hours
hepatitus C virus
high performance liquid chromatography hertz
International Units
inhibitory concentration at 50% inhibition coupling constant (given in Hz unless otherwise indicated)
multiplet
molar
parent mass spectrum peak plus H+ milligram
minutes
milliliter
millimolar
millimole
mass spectrum
nanomolar
parts per million
sufficient amount
singlet
room temperature
saturated
triplet
trifluoroacetic acid EXAMPLES
General Scheme 1
Figure imgf000092_0001
Example 1
-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-methyl-2-(m
(phe ide
Figure imgf000092_0002
Step A 5-bromo-2- nyl chloride
Figure imgf000093_0001
[00133] Step (1 ) Thionyl chloride (60.1 ml_, 823 mmol) was added dropwise over 60 min to water (361 ml_), cooled to 0 °C, maintaining the temperature of the mixture 0-7 °C. the solution was allowed to warm to 18 °C over 17 hr. Copper(l) chloride (218 mg, 2.2 mmol) was added to the mixture, and the resultant yellow-green solution was cooled to -3 °C using an acetone/ice bath.
[00134] Step (2) HCI (195 ml_, 6.418mol) (37% w/w) was added, with agitation, to 5- bromo-2-chloro-3-pyridineamine (25g, 121 mmol), maintaining the temperature of the mixture below 30 °C with ice cooling. The reaction mixture was cooled to -5 °C using an ice/acetone bath and a solution of sodium nitrite (14.72 g, 213 mmol) in water (58 ml.) was added dropwise over 45 min, maitaining the temperature of the reaction mixture between -5 to 0 °C, the resultant slurry was cooled to -2 °C and stirred for 10 min.
[00135] Step (3) The slurry from step (2) was cooled to -5 °C and added to the solution obtained from step (1 ) over 30 min, maintaining the temperature of the reaction mixture between -3 to 0 °C ( the slurry from step (2) was maintained at -5 °C throughout the addition). As the reaction proceeded, a solid began to precipitate. When the addition was complete, the reaction mixture was agitated at 0 °C for 75 min. The suspended solid was collected by vacuum filtration, washed with water, and dried under vacuum to give 5-bromo-2-chloro-3-pyridinesulfonyl chloride. ES-LCMS: m/z 271 .9, 269.9 (M-1 ).
Step B
5-bromo-N-methyl-2-(methyloxy)^-(phenylmethyl)-3-pyridinesulfonamide
Figure imgf000093_0002
[00136] To a cold (0 °C) suspension of 2-chloro-5-bromo-3-pyridinesulfonyl chloride (1 g, 3.3 mmol) in dry 1 ,4-dioxane (25mL) was added pyridine (1.1 mL, 13 mmol) followed by a N- methyl-1-phenylmethanamine (1 mL, 10 mmol). The reaction mixture was allowed to warm to RT for 2 hrs, heated to 50 °C for 1 hr, then cooled to RT. Sodium methoxide (25% in methanol) (2 mL) was added and the mixture was sealed and heated by microwave at 95°C for 30 min. After cooled to RT, the mixture was dissolved in 60 mL EtOAc and washed with H20 (50 mL), brine (50 ml_), dried by Mg2S04. The solid was filtrated and the filtration was evaporated to afford yellow solid 850 mg, yield 67%. ES-LCMS: m/z 371.1 , 373.1 (M+1 ).
[00137] The following intermediates in Table 2 were prepared using the procedure described above for Example 1.
Table 2
Figure imgf000094_0001
Figure imgf000095_0001
Figure imgf000096_0001
Step C
(N-methyl-2-(methyloxy)-N-(phenylmethyl)-5-(4, 4, 5, 5-tetramethyl-1,3, 2-dioxaborolan-2-yl)-3-
Figure imgf000096_0002
[00138] To a solution of 5-bromo-N-methyl-2-(methyloxy)-N-(phenylmethyl)-3- pyridinesulfonamide (1.1g, 3.0 mmol) in 1 ,4-dioxane (15 mL) was added 4,4,4',4',5,5,5',5'- octamethyl-2,2'-bi-1 ,3,2-dioxaborolane (1.1 g, 4.5 mmol), potassium acetate (0.87 g, 8.9 mmol) and Pd(PPh3)2CI2 (242 mg, 0.3 mmol). The reaction mixture was stirred at 100 °C overnight. The reaction was concentrated in vacuo, purified on silica using 60% ethyl acetate/ hexane to yield the title compound as a white solid 870 mg (65 %). ES-LCMS: m/z 337.1 (M+1).
[00139] The following intermediates in Table 3 were prepared using the procedure described above in Example 1 , Step C. Table 3
Figure imgf000097_0001
Figure imgf000098_0001
Figure imgf000099_0001
Step D
-{2-amino- 1-[4-(4-morpholinyl)phenyl]- 1 H-benzimidazol-6-yl}-N-methyl-2-(methyloxy)-N-
(ph ide
Figure imgf000099_0002
40] Mixed 6-bromo-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (50 mg, mmol), N-benzyl-2-methoxy-N-methyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)- pyridine-3-sulfonamide(62 mg, 0.15mol), PdCI2(dppf)-CH2Cl2 adduct (11 mg, 0.01 mmol) and KOAc (39 mg, 0.4 mmol) in a schlenk flask and purgred with N2 (3 times) before heated to 130 °C under microwave conditon for 15 min. The crude product was cooled down and loaded to the column and was eluted with 10% methanol/EtOAc. Collected the resulting fractions and then evaporation afforded a white solid (40 mg, 50%). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.61 (d, J=2.34 Hz, 1 H) 8.18 (d, J=2.34 Hz, 1 H) 7.25 - 7.41 (m, 10 H) 7.15 (d, J=8.98 Hz, 2 H) 6.99 (s, 1 H) 6.29 (s, 2 H) 4.35 (s, 2 H) 4.02 (s, 3 H) 3.71 - 3.82 (m, 4 H) 3.19 - 3.26 (m, 4 H) 2.71 (s, 3 H); ES-LCMS: 585.3 (M+1 ).
[00141] Additional benzimidazoles, shown in Example 2 through Example 15, were prepared using similar procedures in Example 1 and by varying the boronic ester accodingly.
Example 2
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-cyclohexyl-2- (me ide
Figure imgf000100_0001
[00142] (38 mg, 48%). 1H NMR (400 MHz, DMSO-cfe) δ ppm 8.58 (d, J=2.54 Hz, 1 H)
8.12 (d, J=2.54 Hz, 1 H) 7.61 (d, J=7.80 Hz, 1 H) 7.27 - 7.37 (m, 5 H) 7.15 (d, J=8.98 Hz, 2 H) 6.95 (s, 1 H) 6.28 (s, 2 H) 4.00 (s, 3 H) 3.75 - 3.79 (m, 4 H) 3.18 - 3.26 (m, 4 H) 1.56 (br. s., 4 H) 1.17 (t, 4 H); ES-LCMS: 563.3 (M+1 ).
Example 3
6-[ 6-(methyloxy)-5-(4-morpholinylsulfonyl)-3-pyridinyl]-1-[4-(4-morpholinyl) 1 H- benzimidazol-2-amine
Figure imgf000101_0001
[00143] (28 mg, 38%). Ή NMR (400 MHz, DMSO-d6) δ ppm 8.63 (s, 1 H) 8.13 (s, 1 H)
7.24 - 7.41 (m, 5 H) 7.14 (d, J=8.39 Hz, 2 H) 6.98 (s, 1 H) 6.68 (br. s., 1 H) 6.34 (br. s., 2 H) 4.00 (s, 3 H) 3.77 (br. s., 4 H) 3.58 (br. s., 4 H) 3.39 (br. s., 3 H) 3.22 (br. s., 5 H) 3.15 (br. s., 4 H) 1.75 (s, 4 H); ES-LCMS: 551.4 (M+1 ).
Example 4
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yQ-N-(1-meth^
(me ide
Figure imgf000101_0002
[00144] (40 mg, 39%). H NMR (400 MHz, DMSO-d6) δ ppm 8.58 (d, J=2.54 Hz, 1 H)
8.12 (d, 1 H) 7.55 (d, 1 H) 7.35 (d, 2 H) 7.28 - 7.31 (m, 2 H) 7.15 (d, 2 H) 6.96 (s, 1 H) 6.28 (s, 2 H) 4.00 (s, 3 H) 3.72 - 3.81 (m, 4 H) 3.20 - 3.26 (m, 4 H) .0.97 (d, 6 H); ES-LCMS: 523.2 (M+1 ).
Example 5
6-[6-(methyloxy)-5-(1-piperidinylsulfonyl)-3^yridinyl]-1-[4-(4-morpho
benzimidazol-2-amine
Figure imgf000102_0001
[00145] (42 mg, 44%). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.60 (d, 1 H) 8.11 (d, 1 H)
7.35 (d, 2 H) 7.30 (s, 2 H) 7.15 (d, 2 H) 6.97 (s, 1 H) 6.28 (s, 2 H) 3.99 (s, 3 H) 3.74 - 3.81 (m, 4 H) 3.20 - 3.26 (m, 4 H) 3.13 (d, 4 H) 1.49 (br. s., 6 H); ES-LCMS: 549.4 (M+1 ).
Example 6
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-cyclopropyl-2-
(me ide
Figure imgf000102_0002
[00146] (21 mg, 29%). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.62 (d, J=2.54 Hz, 1 H)
8.15 (d, J=2.54 Hz, 1 H) 7.93 (d, 1 H) 7.35 (d, 2 H) 7.30 (s, 2 H) 7.15 (d, 2 H) 6.96 (s, 1 H) 6.29 (s, 2 H) 4.00 (s, 3 H) 3.75 - 3.79 (m, 4 H) 3.21 - 3.25 (m, 4 H) 2.18 (none, 1 H) 0.36 - 0.48 (m, 4 H); ES-LCMS: 521.3 (M+1 ).
Example 7
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-[2-methyl-1-(1- methylethyl)propyl]-2-(methyloxy)-3-pyridinesulfonamide
Figure imgf000103_0001
[00147] (40 mg, 35%). H NMR (400 MHz, DMSO-cfe) δ ppm 8.55 (d, J=2.34 Hz, 1 H)
8.09 (d, J=2.34 Hz, 1 H) 7.35 (d, J=8.78 Hz, 3 H) 7.29 (s, 2 H) 7.15 (d, J=8.78 Hz, 2 H) 6.93 (s, 1 H) 6.28 (s, 2 H) 4.00 (s, 3 H) 3.75 - 3.80 (m, 4 H) 3.20 - 3.26 (m, 4 H) 2.76 - 2.90 (m, 1 H) 1.62 - 1.80 (m, 2 H) 0.62 - 0.79 (m, 12 H); ES-LCMS: 579.5 (M+1 ).
Example 8
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-(1, 1-dimethylpropyl)-2-
(me
Figure imgf000103_0002
[00148] (37 mg, 34%). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.57 (d, 1 H) 8.13 (d, 1 H)
7.36 (d, 2 H) 7.28 - 7.32 (m, 3 H) 7.15 (d, 2 H) 6.96 (s, 1 H) 6.32 (br. s., 2 H) 4.00 (s, 3 H) 3.74 - 3.81 (m, 5 H) 3.20 - 3.26 (m, 5 H) 1.42 (d, J=7.41 Hz, 2 H) 1.01 (s, 6 H) 0.74 (t, J=7.41 Hz, 3 H); ES-LCMS: 551.3 (M+1 ).
Example 9
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-methyl-2-(me
pyridinesulfonamide
Figure imgf000104_0001
[00149] (38 mg, 39%). H NMR (400 MHz, DMSO-cfe) δ ppm 8.59 (d, J=2.34 Hz, 1 H)
8.10 (d, J=2.34 Hz, 1 H) 7.33 - 7.42 (m, 3 H) 7.30 (s, 2 H) 7.15 (d, J=8.98 Hz, 2 H) 6.96 (s, 1 H) 6.28 (s, 2 H) 4.00 (s, 3 H) 3.75 - 3.80 (m, 4 H) 3.21 - 3.25 (m, 4 H) 2.46 (d, 3 H); ES-LCMS: 495.4 (M+1 ).
Example 10
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-ethyl-2-(m
Figure imgf000104_0002
[00150] (41 mg, 41 %). 1H NMR (400 MHz, DMSO-cfe) δ ppm 8.58 (d, J=2.54 Hz, 1 H)
8.1 1 (d, 1 H) 7.55 (t, 1 H) 7.35 (d, 2 H) 7.29 (s, 2 H) 7.15 (d, 2 H) 6.96 (s, 1 H) 6.28 (s, 2 H) 4.00 (s, 3 H) 3.74 - 3.81 (m, 4 H) .3.20 - 3.25 (m, 4 H) 2.88 (dd, 2 H) 0.95 (t, 3 H); ES-LCMS: 509.4 (M+1 ).
Example 11
-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-ethyl-2-(methyloxy)-3- pyridinesulfonamide
Figure imgf000105_0001
[00151] (17.4 mg.16%). H NMR (400 MHz, DMSO-d6) δ ppm 8.58 (d, J=2.34 Hz, 1 H)
8.11 (d, J=2.34 Hz, 1 H) 7.52 (s, 1 H) 7.35 (d, J=8.98 Hz, 2 H) 7.30 (s, 2 H) 7.15 (d, J=8.98 Hz, 2 H) 6.95 (s, 1 H) 6.29 (s, 2 H) 3.99 (s, 3 H) 3.75 - 3.80 (m, 4 H) 3.20 - 3.25 (m, 4 H) 2.63 (d, J=6.44 Hz, 2 H) 0.81 (s, 9 H); ES-LCMS: 551.5 (M+1 ).
Examples 12
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl)-2-(me
trime mide
Figure imgf000105_0002
[00152] (39 mg.35%). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.58 (d, J=2.34 Hz, 1 H) 8.14
(d, J=2.34 Hz, 1 H) 7.27 - 7.37 (m, 5 H) 7.15 (d, J=8.98 Hz, 2 H) 6.95 (d, J=0.78 Hz, 1 H) 6.28 (s, 2 H) 4.00 (s, 3 H) 3.75 - 3.80 (m, 4 H) 3.20 - 3.25 (m, 4 H) 1.99 (s, 1 H) 0.77 - 0.83 (m, 12 H); ES-LCMS: 565.5 (M+1 ).
Example 13
5-{2-amino-1-[4-(4-morpholiny phenyl]-1H-benzimidazol-6-yl}-N-cyclobutyl-2- (methyloxy)-3-pyridinesulfonamide
Figure imgf000106_0001
[00153] (21 mg, 18%). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.59 (d, 1 H) 8.09 (d, 1 H)
8.00 (d, J=9.17 Hz, 1 H) 7.35 (d, J=8.78 Hz, 2 H) 7.30 (s, 2 H) 7.15 (d, J=8.98 Hz, 2 H) 6.95 (s, 1 H) 6.29 (s, 2 H) 4.01 (s, 3 H) 3.74 - 3.80 (m, 4 H) 3.20 - 3.26 (m, 4 H) 2.53 - 2.56 (m, 1 H) 1.85 (br. s., 4 H) 1 .43 (s, 2 H); ES-LCMS: 535.1 (M+1 ).
Example 14
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-(cyclop
(methyloxy)-3-pyridinesulfonamide
Figure imgf000106_0002
[00154] (43 mg, 39%). H NMR (400 MHz, DMSO-cfe) δ ppm 8.58 (d, J=2.54 Hz, 1 H)
8.10 (d, J=2.34 Hz, 1 H) 7.63 (t, J=5.85 Hz, 1 H) 7.35 (d, J=8.98 Hz, 2 H) 7.30 (s, 2 H) 7.15 (d, J=8.98 Hz, 2 H) 6.95 (s, 1 H) 6.29 (s, 2 H) 3.99 (s, 3 H) 3.75 - 3.80 (m, 4 H) 3.20 - 3.25 (m, 4 H) 2.74 (t, J=6.63 Hz, 2 H) 1 .85 - 1 .94 (m, 1 H) 1 .35 - 1 .62 (m, 6 H) 1.1 1 (d, 2 H); ES-LCMS: 563.5 (M+1 ).
Example 15
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(methyloxy)-N- (tetrahydro-2H-pyran-4-yl)-3-pyridinesulfonamide
Figure imgf000107_0001
[00155] (41 mg, 37%). H NMR (400 MHz, DMSO- /6) δ ppm 8.59 (d, J=2.34 Hz, 1 H)
8.13 (d, J=2.34 Hz, 1 H) 7.78 (d, J=7.80 Hz, 1 H) 7.32 - 7.37 (m, 2 H) 7.29 - 7.32 (m, 2 H) 7.15 (d, J=8.78 Hz, 2 H) 6.96 (d, J=0.78 Hz, 1 H) 6.30 (s, 2 H) 3.99 - 4.02 (m, 3 H) 3.75 - 3.80 (m, 4 H) 3.66 - 3.74 (m, 2 H) 3.20 - 3.25 (m, 6 H) 3.18 (d, 1 H) 1.36 - 1.54 (m, 4 H); ES-LCMS: 565.2 (M+1 ).
Example 16
2-amino-5-(2-amino-1-cyclopentyl-1H-benzimidazol-6-yl)-N-cyclopropyl-3-
Figure imgf000107_0002
[00156] A degassed mixture of 2-amino-N-cyclopropyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (64 mg, 0.189 mmol), 6-bromo-1-cyclopentyl-1 H- benzimidazol-2-amine (52.9 mg, 0.189 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.41 mg, 0.019 mmol) and potassium acetate (55.5 mg, 0.566 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of Celite®. The filtrate was concentrated onto silica gel and purified by column chromatography (silica gel, 0-20% MeOH/EtOAc) to obtain 2-amino-5-(2-amino-1- cyclopentyl-1 H-benzimidazol-6-yl)-N-cyclopropyl-3-pyridinesulfonamide (25 mg, 0.056 mmol, 29.9 % yield): H NMR (400 MHz, DMSO-cfe) δ ppm 0.35 - 0.56 (m, 4 H) 1.70 (br. s., 2 H) 1.95 (br. s., 4 H) 2.16 (br. s., 3 H) 4.77 (quin, J=8.78 Hz, 1 H) 6.42 (s, 2 H) 6.58 (br. s„ 2 H) 7.12 - 7.17 (m, 1 H) 7.17 - 7.24 (m, 1 H) 7.27 (s, 1 H) 8.02 (d, J=2.24 Hz, 1 H) 8.17 (s, 1 H) 8.52 (d, J=2.34 Hz, 1 H); ES LC-MS m/z =413.5 (M+H)+.
Example 17
2-amino-5-(2-amino-1^henyl-1H-benzimidazol-6-yl)-N-cyclopropyl-3^yridines
Figure imgf000108_0001
[00157] A degassed mixture of 2-amino-N-cyclopropyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (64 mg, 0.189 mmol), 6-bromo-1-phenyl-1 H- benzimidazol-2-amine (54.4 mg, 0.189 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.41 mg, 0.019 mmol) and potassium acetate (55.5 mg, 0.566 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of Celite®. The filtrate was concentrated onto silica gel and purified by column chromatography (silica gel, 0-20% MeOH/EtOAc) to obtain 2-amino-5-(2-amino-1- phenyl-1 H-benzimidazol-6-yl)-N-cyclopropyl-3-pyridinesulfonamide (11 mg, 0.026 mmol, 13.59 % yield): 1H NMR (400 MHz, DMSO-d6) δ ppm 0.39 (d, J=2.64 Hz, 4 H) 6.36 (s, 2 H) 6.58 (br. s., 2 H) 6.96 (s, 1 H) 7.20 - 7.35 (m, 2 H) 7.48 - 7.60 (m, 3 H) 7.60 - 7.69 (m, 2 H) 7.93 (s, 1 H) 8.08 - 8.13 (m, 1 H) 8.15 (s, 1 H) 8.44 (s, 1 H); ES LC-MS m/z =421.4 (M+H)+.
Example 18
2-amino-5-{2-amino-1-[3-(4-morphoUnyl)propyl]-1H-benzimidazol-6-yl}-N^
Figure imgf000108_0002
[00158] A degassed mixture of 2-amino-N-cyclopropyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (63.0 mg, 0.186 mmol), 6-bromo-1-[3-(4- morpholinyl)propyl]-1 H-benzimidazol-2-amine (63 mg, 0.186 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.17 mg, 0.019 mmol) and potassium acetate (54.7 mg, 0.557 mmol) in 1 ,4-dioxane (2 ml_) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of Celite®. The filtrate was concentrated onto silica gel and purified by column chromatography (silica gel, 0-20% MeOH/EtOAc) to obtain 2-amino-5-{2- amino-1-[3-(4-morpholinyl)propyl]-1 H-benzimidazol-6-yl}-N-cyclopropyl-3-pyridinesulfonamide (23 mg, 0.046 mmol, 24.95 % yield): 1H NMR (400 MHz, DMSO-cfe) δ ppm 0.32 - 0.56 (m, 4 H) 1.90 (s, 2 H) 2.07 - 2.40 (m, 7 H) 3.55 (br. s., 4 H) 4.05 (br. s., 2 H) 6.58 (br. s., 4 H) 7.09 - 7.22 (m, 2 H) 7.39 (s, 1 H) 8.06 (d, J=2.15 Hz, 1 H) 8.14 (s, 1 H) 8.55 (d, J=2.25 Hz, 1 H); ES LC-MS m/z =472.5 (M+H)+.
Example 19
2-amino-5-(2-amino-1-cyc 3-pyridi
Figure imgf000109_0001
[00159] A degassed mixture of 2-amino-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (70 mg, 0.187 mmol), 6-bromo-1-cyclopentyl-1 H- benzimidazol-2-amine (52.3 mg, 0.187 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.23 mg, 0.019 mmol) and potassium acetate (54.9 mg, 0.560 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and filtered through a plug of Celite. The filtrate was concentrated. The residue was dissolved in DMF (1 mL) and a drop of TFA and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 2-amino-5- (2-amino-1-cyclopentyl-1 H-benzimidazol-6-yl)-N-phenyl-3-pyridinesulfonamide (27 mg, 0.057 mmol, 30.7 % yield): H NMR (400 MHz, DMSO-d6) δ ppm 1.71 (br. s., 2 H) 1.85 - 2.18 (m, 6 H) 4.75 (quin, J=8.77 Hz, 1 H) 6.42 (s, 2 H) 6.69 (br. s., 2 H) 6.98 - 7.08 (m, 2 H) 7.12 (d, J=7.52 Hz, 2 H) 7.15 - 7.20 (m, 2 H) 7.21 - 7.28 (m, 2 H) 7.96 (d, J=2.44 Hz, 1 H) 8.43 (d, J=2.35 Hz, 1 H) 10.50 (br. s., 1 H); ES LC-MS m/z =449.4 (M+H)+.
Example 20
2-amino-5-{2-amino-1-[3-(4-morphoHnyl)propyl]-1H-benzimidazol-6-yQ-N-^^
Figure imgf000110_0001
[00160] A degassed mixture of 2-amino-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (69.7 mg, 0.186 mmol), 6-bromo-1-[3-(4- morpholinyl)propyl]-1 H-benzimidazol-2-amine (63 mg, 0.186 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.17 mg, 0.019 mmol) and 6-bromo-1 -[3-(4-morpholinyl)propyl]-1 H-benzimidazol-2-amine (63 mg, 0.186 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of Celite. The filtrate was concentrated onto silica gel and purified by column chromatography (silica gel, 0- 20% MeOH/EtOAc) to obtain 2-amino-5-{2-amino-1-[3-(4-morpholinyl)propyl]-1 H-benzimidazol- 6-yl}-N-phenyl-3-pyridinesulfonamide (26 mg, 0.049 mmol, 26.2 % yield) as a white solid: H NMR (400 MHz, DMSO-d6) δ ppm 1.85 (br. s., 2 H) 2.15 - 2.38 (m, 6 H) 3.53 (br. s., 4 H) 4.04 (br. s., 2 H) 6.58 (s, 2 H) 6.64 - 6.75 (m, 2 H) 6.96 - 7.03 (m, 1 H) 7.05 (d, J=8.10 Hz, 1 H) 7.10 (d, J=7.91 Hz, 2 H) 7.15 (d, J=8A 0 Hz, 1 H) 7.19 - 7.27 (m, 2 H) 7.29 (s, 1 H) 8.00 (d, J=2.25 Hz, 1 H) 8.45 (d, J=2.25 Hz, 1 H) 10.47 (br. s., 1 H); ES LC-MS m/z =508.5 (M+H)+.
Example 21
2-amino-5-(2-amino-1^henyl-1H-benzimidazol-6-y -N^henyl-3^yridin
Figure imgf000111_0001
[00161] A degassed mixture of 2-amino-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (70 mg, 0.187 mmol), 6-bromo-1-phenyl-1 H- benzimidazol-2-amine (53.8 mg, 0.187 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.23 mg, 0.019 mmol) and potassium acetate (54.9 mg, 0.560 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of Celite®. The filtrate was concentrated onto silica gel and purified by column chromatography (silica gel, 0-20% MeOH/EtOAc) to obtain 2-amino-5-(2-amino-1- phenyl-1 H-benzimidazol-6-yl)-N-phenyl-3-pyridinesulfonamide (11 mg, 0.023 mmol, 12.27 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 6.36 (s, 2 H) 6.67 (br. s., 2 H) 6.80 (d, J=1.17 Hz, 1 H) 6.91 - 6.99 (m, 1 H) 7.02 - 7.09 (m, 2 H) 7.10 - 7.19 (m, 3 H) 7.26 (d, =8.10 Hz, 1 H) 7.49 - 7.60 (m, 3 H) 7.62 - 7.71 (m, 2 H) 7.83 (d, J=2.34 Hz, 1 H) 8.34 (d, J=2.24 Hz, 1 H) 10.42 (br. s., 1 H); ES LC-MS m/z =457.4 (M+H)+.
Example 22
2-amino-5-{2-amino-1-[( 1S)-1 -phenylethyl]-1H-benzimidazol-6-yl}-N-phenyl-3-
Figure imgf000111_0002
[00162] A degassed mixture of 2-amino-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (71.2 mg, 0.190 mmol), 6-bromo-1-[(1S)-1- phenylethyl]-1 H-benzimidazol-2-amine (60 mg, 0.190 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.50 mg, 0.019 mmol) and potassium acetate (55.9 mg, 0.569 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of Celite®. The filtrate was concentrated onto silica gel and purified by column chromatography (silica gel, 0-20% MeOH/EtOAc) to obtain 2-amino-5-{2- amino-1-[(1 S)-1-phenylethyl]-1 H-benzimidazol-6-yl}-N-phenyl-3-pyridinesulfonamide (20 mg, 0.039 mmol, 20.66 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.83 - 1.89 (m, 3 H) 5.81 (q, J=6.89 Hz, 1 H) 6.55 - 6.73 (m, 5 H) 6.96 - 7.03 (m, 2 H) 7.06 (d, J=7.80 Hz, 2 H) 7.14 (d, J=8.19 Hz, 1 H) 7.17 - 7.26 (m, 2 H) 7.26 - 7.43 (m, 5 H) 7.73 (d, J=2.34 Hz, 1 H) 8.18 (d, J=2.34 Hz, 1 H) 10.45 (br. s., 1 H); ES LC-MS m/z = 485.5 (M+H)+.
Example 23
2-am/no-5- 2-am;'no-i- '^iS^-f-p ieny/ei/jy/7-fH-denz/m/£/azo/-6-y/ -W-cyc/opropy/-3-
Figure imgf000112_0001
[00163] A degassed mixture of 2-amino-N-cyclopropyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (64 mg, 0.189 mmol), 6-bromo-1-[(1 S)-1 -phenylethyl]- 1 H-benzimidazol-2-amine (59.7 mg, 0.189 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.41 mg, 0.019 mmol) and potassium acetate (55.5 mg, 0.566 mmol) in 1 ,4-dioxane (2 ml_) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of Celite®. The filtrate was concentrated onto silica gel and purified by column chromatography (silica gel, 0-20% MeOH/EtOAc, then HPLC, 10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 2-amino-5-{2-amino-1-[(1 S)-1-phenylethyl]-1 H- benzimidazol-6-yl}-N-cyclopropyl-3-pyridinesulfonamide (14 mg, 0.030 mmol, 15.72 % yield) as a white solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 0.32 - 0.52 (m, 4 H) 1.86 (d, J=7.02 Hz, 3 H) 2.11 (d, J=3,71 Hz, 1 H) 5.82 (q, J=6.76 Hz, 1 H) 6.54 (br. s., 2 H) 6.60 (br. s., 2 H) 6.79 (s, 1 H) 7.05 - 7.12 (m, 1 H) 7.13 - 7.22 (m, 1 H) 7.24 - 7.32 (m, 1 H) 7.32 - 7.42 (m, 4 H) 7.82 (d, J=2.24 Hz, 1 H) 8.1 1 (br. s., 1 H) 8.19 - 8.29 (m, 1 H); ES LC-MS m/z = 449.5 (M+H)+.
Example 24
5-{2-amino-1-[4-(4^morphoUnyl)phenyl]-1H·benzimidazol·6-y ^N,N-dimethyl·2^ (methyloxy)-3-pyridinesulfonamide
Figure imgf000113_0001
[00164] A degassed mixture of [5-[(dimethylamino)sulfonyl]-6-(methyloxy)-3- pyridinyl]boronic acid (11 1 mg, 0.214 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (80 mg, 0.214 mmol), Pd(dppf)2CI2 CH2CI2 adduct (17.50 mg, 0.021 mmol) and potassium acetate (63.1 mg, 0.643 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of Celite®. The filtrate was concentrated onto silica gel and purified by column chromatography (silica gel, 0-20% MeOH/EtOAc, then HPLC, 10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-6-yl}-N,N-dimethyl-2-(methyloxy)-3-pyridinesulfonamide (12 mg, 0.023 mmol, 10.90 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 2.78 (s, 6 H) 3.19 - 3.26 (m, 4 H) 3.72 - 3.81 (m, 4 H) 3.99 (s, 3 H) 6.30 (s, 2 H) 6.97 (s, 1 H) 7.15 (d, J=8.98 Hz, 2 H) 7.30 (s, 2 H) 7.35 (d, J=8.88 Hz, 2 H) 8.12 (d, J=2.34 Hz, 1 H) 8.61 (d, J=2.44 Hz, 1 H); ES LC- MS m/z =509.4 (M+H)+.
Example 25
2-amino-5-{2-amino-1-[2-(4-morpholinyl)cyclopentyl]-1H-benzimidazol-6-yl}-N-phen
Figure imgf000113_0002
[00165] A degassed mixture of 2-amino-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (61.6 mg, 0.164 mmol), 6-bromo-1-[2-(4- morpholinyl)cyclopentyl]-1 H-benzimidazol-2-amine (60 mg, 0.164 mmol), Pd(dppf)2CI2 CH2CI2 adduct (13.41 mg, 0.016 mmol) and potassium acetate (48.4 mg, 0.493 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated.The residue was dissolved in CH2CI2 and a small amount of MeOH, filtered through a pipette plug of Celite®. The filtrate was concentrated. The residue was dissolved in DMF, filtered and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 2-amino-5-{2-amino-1-[2-(4-morpholinyl)cyclopentyl]-1 H- benzimidazol-6-yl}-N-phenyl-3-pyridinesulfonamide formic acid salt (38 mg, 0.060 mmol, 36.2 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.72 (br. s., 2 H) 1.90 (br. s., 1 H) 1.96 - 2.16 (m, 3 H) 2.24 - 2.43 (m, 3 H) 2.43 - 2.58 (m, 1 H) 3.46 (br. s., 5 H) 3.56 (br. s., 1 H) 4.59 - 4.75 (m, 1 H) 6.70 (br. s., 4 H) 6.97 - 7.16 (m, 4 H) 7.16 - 7.32 (m, 4 H) 7.97 (d, J=2.34 Hz, 1 H) 8.13 (s, 1 H) 8.46 (d, J=2.44 Hz, 1 H) 10.51 (br. s., 1 H); ES LC-MS m/z = 534.5 (M+H)+.
Example 26
2-amino-5-[2-amino- 1-(1,1 -dimethylethyl)- 1 H-benzimidazol-6-yl]-N-cyclopropyl-3- pyridinesulfonamide formic acid salt
Figure imgf000114_0001
[00166] A degassed mixture of 2-amino-N-cyclopropyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (76 mg, 0.224 mmol), 6-bromo-1-(1 ,1-dimethylethyl)- 1 H-benzimidazol-2-amine (60 mg, 0.224 mmol), Pd(dppf)2CI2 CH2CI2 adduct (18.27 mg, 0.022 mmol) and potassium acetate (65.9 mg, 0.671 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, filtered through a pipette plug of Celite®.The filtrate was concentrated. The residue was dissolved in DMF, filtered and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 2-amino-5-[2-amino-1-(1 ,1-dimethylethyl)-1 H-benzimidazol-6-yl]-N-cyclopropyl-3- pyridinesulfonamide formic acid salt (23 mg, 0.056 mmol, 24.90 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 0.37 - 0.58 (m, 4 H) 1.78 (s, 9 H) 2.16 (td, J=6.44, 3.12 Hz, 1 H) 6.07 (s, 2 H) 6.58 (br. s., 2 H) 7.09 - 7.24 (m, 2 H) 7.58 (d, J=1.07 Hz, 1 H) 8.00 (d, J=2.34 Hz, 1 H) 8.12 - 8.19 (m, 2 H) 8.50 (d, J=2.44 Hz, 1 H); ES LC-MS m/z = 401.2 (M+H)+.
Example 27
2-amino-5-[2-amino- 1-(1, 1-dimethylethyl)-1H-benzimidazol-6-yl]-N, N-dimethyl-3- pyridinesulfonamide formic acid salt
Figure imgf000115_0001
[00167] A degassed mixture of 2-amino-N,N-dimethyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (73.2 mg, 0.224 mmol), 6-bromo-1-(1 ,1-dimethylethyl)- 1 H-benzimidazol-2-amine (60 mg, 0.224 mmol), Pd(dppf)2CI2 CH2CI2 adduct (18.27 mg, 0.022 mmol) and potassium acetate (65.9 mg, 0.671 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, filtered through a plug of CeliteO.The filtrate was concentrated. The residue was dissolved in DMF, filtered and purified by HPLC (10-60% CH3CN/H20, both containing 0.1% formic acid) to obtain 2-amino-5-[2-amino-1-(1 ,1-dimethylethyl)-1 H-benzimidazol-6-yl]-N,N-dimethyl-3- pyridinesulfonamide formic acid salt (38 mg, 0.087 mmol, 38.7 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.78 (s, 9 H) 2.73 (s, 6 H) 6.08 (s, 2 H) 6.68 (br. s., 2 H) 7.08 - 7.23 (m, 2 H) 7.58 (s, 1 H) 7.86 (d, J=2.34 Hz, 1 H) 8.15 (s, 1 H) 8.53 (d, J=2.34 Hz, 1 H); ES LC-MS m/z =389.4 (M+H)+.
Example 28
2-amino-5-[2-amino-1-(1,1-dimethylethyl)-1H-benzimidazol-6-yl]-N-phenyl-3- lt
Figure imgf000115_0002
[00168] A degassed mixture of 2-amino-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (84 mg, 0.224 mmol), 6-bromo-1-(1 ,1-dimethylethyl)- 1 H-benzimidazol-2-amine (60 mg, 0.224 mmol), Pd(dppf)2CI2 CH2CI2 adduct (18.27 mg, 0.022 mmol) and potassium acetate (65.9 mg, 0.671 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, filtered through a pipette plug of Celite®.The filtrate was concentrated. The residue was dissolved in DMF, filtered and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 2-amino-5-[2-amino-1-(1 ,1-dimethylethyl)-1 H-benzimidazol-6-yl]-N-phenyl-3- pyridinesulfonamide formic acid salt (30 mg, 0.069 mmol, 30.7 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.73 - 1.80 (m, 9 H) 6.04 (s, 2 H) 6.68 (br. s., 2 H) 6.98 - 7.08 (m, 2 H) 7.09 - 7.19 (m, 3 H) 7.21 - 7.30 (m, 2 H) 7.43 (d, =1.27 Hz, 1 H) 7.92 (d, J=2.44 Hz, 1 H) 8.15 (s, 1 H) 8.41 (d, J=2.34 Hz, 1 H); ES LC-MS m/z =437.3 (M+H)+.
Example 29
5-[2-amino-1-(1,1-dimethylethyl)-1H-benzimidazol-6-yl]-N,N-dimethyl-2-(m
pyridinesulfonamide formic acid salt
Figure imgf000116_0001
[00169] A degassed mixture of [5-[(dimethylamino)sulfonyl]-6-(methyloxy)-3- pyridinyl]boronic acid (58.2 mg, 0.224 mmol), 6-bromo-1-(1 ,1-dimethylethyl)-1 H-benzimidazol-2- amine (60 mg, 0.224 mmol), Pd(dppf)2CI2 CH2CI2 adduct (18.27 mg, 0.022 mmol) and potassium acetate (65.9 mg, 0.671 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, filtered through a pipette plug of Celite®.The filtrate was concentrated. The residue was dissolved in DMF, filtered and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-[2-amino-1-(1 ,1-dimethylethyl)-1 H-benzimidazol-6-yl]-N,N-dimethyl-2-(methyloxy)-3- pyridinesulfonamide formic acid salt (12 mg, 0.027 mmol, 1 1.93 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1 .79 (s, 9 H) 2.81 (s, 6 H) 4.02 (s, 3 H) 6.11 (s, 2 H) 7.22 (s, 2 H) 7.67 (s, 1 H) 8.18 (s, 1 H) 8.20 (d, J=2.44 Hz, 1 H) 8.68 (d, J=2.34 Hz, 1 H); ES LC-MS m/z =404.3 (M+H)+.
Example 30
5-[2-amino-1-(1,1-dimethylethyl)-1H-benzimidazo 6-yl]-N-(2,4-difl
(methyloxy)-3-pyridinesulfonamide formic acid salt
Figure imgf000117_0001
[00170] A degassed mixture of [5-{[(2,4-difluorophenyl)amino]sulfonyl}-6-(rnethyloxy)-3- pyridinyl]boronic acid (77 mg, 0.224 mmol), 6-bromo-1-(1 ,1-dimethylethyl)-1 H-benzimidazol-2- amine (60 mg, 0.224 mmol), Pd(dppf)2CI2 CH2CI2 adduct (18.27 mg, 0.022 mmol) and potassium acetate (65.9 mg, 0.671 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, filtered through a pipette plug of Celite®.The filtrate was concentrated. The residue was dissolved in DMF, filtered and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-[2-amino-1-(1 , 1 -dimethylethyl)-1 H-benzimidazol-6-yl]-N-(2,4-difluorophenyl)-2- (methyloxy)-3-pyridinesulfonamide formic acid salt (24 mg, 0.048 mmol, 21 .56 % yield) as a grey solid: H NMR (400 MHz, DMSO-afe) δ ppm 1.76 (s, 9 H) 3.96 (s, 3 H) 6. 1 (s, 2 H) 7.02 (br. s., 1 H) 7.09 - 7.27 (m, 3 H) 7.32 (td, =8.98, 6.15 Hz, 1 H) 7.56 (s, 1 H) 8.07 (d, J=2.44 Hz, 1 H) 8.15 (s, 1 H) 8.64 (d, J=2.34 Hz, 1 H); ES LC-MS m/z =488.4 (M+H)+.
Example 31
5-[2-amino-1-(1, 1-dimethylethyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-N-phenyl-3- pyridinesulfonamide formic acid salt
Figure imgf000118_0001
[00171] A degassed mixture of {6-(methyloxy)-5-[(phenylamino)sulfonyl]-3- pyridinyl}boronic acid (68.9 mg, 0.224 mmol), 6-bromo-1 -(1 ,1-dimethylethyl)-1 H-benzimidazol-2- amine (60 mg, 0.224 mmol), Pd(dppf)2CI2 CH2CI2 adduct (18.27 mg, 0.022 mmol) and potassium acetate (65.9 mg, 0.671 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, filtered through a pipette plug of Celite®.The filtrate was concentrated. The residue was dissolved in DMF, filtered and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-[2-amino-1 -(1 ,1 -dimethylethyl)-1 H-benzimidazol-6-yl]-2-(methyloxy)-N-phenyl-3- pyridinesulfonamide formic acid salt (34 mg, 0.068 mmol, 30.2 % yield) as a grey solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1 .77 (s, 9 H) 4.00 (s, 3 H) 6.13 (br. s., 2 H) 6.93 - 7.04 (m, 1 H) 7.10 - 7.27 (m, 6 H) 7.58 (s, 1 H) 8.15 (s, 1 H) 8.20 (d, J=2.34 Hz, 1 H) 8.60 (d, J=2.34 Hz, 1 H) 10.37 (br. s., 1 H); ES LC-MS m/z =452.4 (M+H)+.
Example 32
2-amino-5-[2-ammo-1-(phenylsulfonyl)-1H-benzimidazol-6-yl]-N-phenyl-3- ■ pyridinesulfonamide
Figure imgf000118_0002
[00172] A degassed mixture of 2-amino-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (65.8 mg, 0.175 mmol), 6-iodo-1-(phenylsulfonyl)-1 H- benzimidazol-2-amine (70 mg, 0.175 mmol), Pd(dppf)2CI2 CH2CI2 adduct (14.32 mg, 0.018 mmol) and potassium acetate (51.6 mg, 0.526 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 50 °C overnight. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (50 ml_) and water (50 ml_). The aq. layer was washed with CH2CI2 (50 mL). The organic layers were combined, dried (Na2S04), filtered and concentrated. The residue was taken up into DMF and purified by HPLC (0-100% CH3CN/H20, both containing 0.1 % formic acid) to obtain 2-amino-5-[2-amino-1-(phenylsulfonyl)-1 H-benzimidazol-6-yl]-N-phenyl-3- pyridinesulfonamide (13 mg, 0.024 mmol, 13.67 % yield): 1H NMR (400 MHz, DMSO-d6) δ ppm 6.79 (br. s., 2 H) 7.00 - 7.08 (m, 1 H) 7.10 - 7.21 (m, 3 H) 7.22 - 7.33 (m, 5 H) 7.62 - 7.70 (m, 3 H) 7.78 (m, J=7.12 Hz, 1 H) 7.96 (d, J=1.56 Hz, 1 H) 8.07 (d, J=8.10 Hz, 2 H) 8.45 (d, J=1.56 Hz, 1 H) 10.53 (br. s., 1 H); ES LC-MS m/z =521.3 (M+H)+.
Example 33
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-(2,4-difluoroph
(methyloxy)-3-pyridinesulfonamide formic acid salt
Figure imgf000119_0001
[00173] A degassed mixture of N-(2,4-difluorophenyl)-2-(methyloxy)-5-(4,4,5,5- tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3-pyridinesulfonamide (103 mg, 0.241 mmol), 6-bromo-1- [4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (60 mg, 0.161 mmol), Pd(dppf)2CI2 CH2CI2 adduct (13.13 mg, 0.016 mmol) and potassium acetate (47.3 mg, 0.482 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The reaction mixture was allowed to cool to room temperature then was diluted with EtOAc (50 mL) and washed with H20 (25 mL). The organic layer was dried (Na2S04) and filtered. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (0-100% CH3CN/H20, both containing 0.1% formic acid) to obtain 5-{2-amino-1 -[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-N-(2,4-difluorophenyl)-2- (methyloxy)-3-pyridinesulfonamide formic acid salt (34 mg, 0.057 mmol, 35.7 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 3.17 - 3.27 (m, 4 H) 3.73 - 3.82 (m, 4 H) 3.93 (s, 3 H) 6.32 (s, 2 H) 6.88 (d, J=1.27 Hz, 1 H) 6.94 - 7.04 (m, 1 H) 7.10 - 7.39 (m, 8 H) 7.99 (d, J=2.44 Hz, 1 H) 8.14 (s, 1 H) 8.59 (d, J=2.44 Hz, 1 H); ES LC-MS m/z =593.5 (M+H)+. Example 34
5-[2-amino- 1 -(phenylsulfonyl)- 1 H-benzimidazol-6-ylJ-N, N-dimethyl-2-(methyloxy)-3- pyridinesulfonamide
Figure imgf000120_0001
[00174] A degassed mixture of N,N-dimethyl-2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (90 mg, 0.263 mmol), 6-iodo-1-(phenylsulfonyl)-1 H- benzimidazol-2-amine (70 mg, 0.175 mmol), Pd(dppf)2Cl2 CH2CI2 adduct (14.32 mg, 0.018 mmol) and potassium acetate (51.6 mg, 0.526 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 50 °C overnight. The resulting mixture was allowed to cool to room temperature then diluted with EtOAc (50 mL) and water (50 mL). The aq. layer was washed with CH2CI2 (50 mL). The organic layers were combined, dried (Na2S04), filtered and concentrated. The residue was taken up into DMF and purified by HPLC (0-100% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-[2-amino-1-(phenylsulfonyl)-1 H-benzimidazol-6-yl]-N,N-dimethyl-2- (methyloxy)-3-pyridinesulfonamide (5 mg, 9.23 pmol, 5.26 % yield): H NMR (400 MHz, DMSO- cf6) δ ppm 2.82 (s, 6 H) 4.05 (s, 3 H) 7.25 (d, J=8.19 Hz, 1 H) 7.34 (s, 2 H) 7.46 (dd, J=8.19, 1.76 Hz, 1 H) 7.62 - 7.70 (m, 2 H) 7.74 - 7.81 (m, 1 H) 7.87 (d, J=1.56 Hz, 1 H) 8.10 - 8.17 (m, 2 H) 8.22 (d, J=2.44 Hz, 1 H) 8.73 (d, J=2.44 Hz, 1 H); ES LC-MS m/z =488.4 (M+H)+.
Example 35
5-{2-amino-1-[2-(4-morpholinyl)cyclopentyl]-1H-benzimidazol-6-yl}-2-(me
phenyl-3-pyridinesulfonamide
Figure imgf000120_0002
[00175] A degassed mixture of 2-(methyloxy)-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (70 mg, 0.179 mmol), 6-bromo-1-[2-(4- morpholinyl)cyclopentyl]-1 H-benzimidazol-2-amine (65.5 mg, 0.179 mmol), Pd(dppf)2CI2 CH2CI2 adduct (14.65 mg, 0.018 mmol) and potassium acetate (52.8 mg, 0.538 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h.The reaction mixture was allowed to cool to room temperature then diluted with EtOAc (50 mL) and H20 (50 mL). The organic layer was dried (Na2S04) and filtered. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-90% CH3CN/H20, both containing 0.1% formic acid) to obtain 5-{2- amino-1 -[2-(4-morpholinyl)cyclopentyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-N-phenyl-3- pyridinesulfonamide (43 mg, 0.076 mmol, 42.4 % yield) as a white solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 1.73 (br. s., 2 H) 1.84 - 2.44 (m, 8 H) 3.35 (br. s., 8 H) 4.00 - 4.06 (m, 3 H) 6.93 - 7.04 (m, 1 H) 7.10 - 7.17 (m, 1 H) 7.17 - 7.25 (m, 2 H) 7.48 (br. s., 2 H) 7.66 (br. s., 1 H) 8.31 (d, J=2.44 Hz, 1 H) 8.59 (br. s., 1 H) 8.73 (d, J=2.34 Hz, 1 H) 10.41 (s, 1 H); ES LC-MS m/z =(M+H)+.
Example 36
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(m
Figure imgf000121_0001
[00176] A degassed mixture of 2-(methyloxy)-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (70 mg, 0.179 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (66.9 mg, 0.179 mmol), Pd(dppf)2CI2 CH2CI2 adduct (14.65 mg, 0.018 mmol) and potassium acetate (52.8 mg, 0.538 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The reaction mixture was allowed to cool to room temperature then was diluted with EtOAc (50 mL) and H20 (50 mL). The organic layer was dried (Na2S04) and filtered. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-90% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5- {2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-N-phenyl-3- pyridinesulfonamide (38 mg, 0.068 mmol, 38.1 % yield) as a grey solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 3.17 - 3.27 (m, 6 H) 3.72 - 3.82 (m, 4 H) 3.96 (s, 3 H) 6.89 (s, 1 H) 6.93 - 7.00 (m, 1 H) 7.06 - 7.12 (m, 2 H) 7.12 - 7.20 (m, 4 H) 7.21 - 7.30 (m, 2 H) 7.34 (d, J=8.88 Hz, 2 H) 8.1 1 (d, J=2.44 Hz, 1 H) 8.53 (d, J=2.44 Hz, 1 H) 10.33 (s, 1 H); ES LC-MS m/z =(M+H)+.
Example 37
5-(2-amino-1-{[4-(dimethylamino)tetrahydro-2H^yran-4-yl]methyl}-1H-ben
2-(methyloxy)-N-phenyl-3-pyridinesulfonamide
Figure imgf000122_0001
[00177] A degassed mixture of 2-(methyloxy)-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (60 mg, 0.154 mmol), 6-bromo-1-{[4- (dimethylamino)tetrahydro-2H-pyran-4-yl]methyl}-1 H-benzimidazol-2-amine (54.3 mg, 0.154 mmol), Pd(dppf)2CI2 CH2CI2 adduct (12.56 mg, 0.015 mmol) and potassium acetate (45.3 mg, 0.461 mmol) in ,1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 hr. The reaction mixture was allowed to cool to room temperature then was diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-90% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-{[4- (dimethylamino)tetrahydro-2H-pyran-4-yl]methyl}-1 H-benzimidazol-6-yl)-2-(methyloxy)-N- phenyl-3-pyridinesulfonamide (10 mg, 0.019 mmol, 12.12 % yield) as a white solid: 1H NMR (400 MHz, DMSO-cie) δ ppm 1.24 (br. s., 2 H) 1.90 (d, J=13.47 Hz, 2 H) 2.42 (s, 6 H) 3.40 - 3.66 (m, 4 H) 4.00 (s, 3 H) 4.07 (s, 2 H) 6.61 (br. s., 2 H) 6.93 - 7.02 (m, 1 H) 7.10 - 7.25 (m, 6 H) 7.39 (s, 1 H) 8.26 (d, J=2.34 Hz, 1 H) 8.64 (d, J=2.34 Hz, 1 H) 10.03 - 10.73 (m, 1 H); ES LC- MS m/z =537.4(M+H)+.
Example 38
5-(2-amino-1-{[4-(dimethylamino)tetrahydro-2H^yran-4-yl]methyl}-1H-benzi
N-(4-fluorophenyl)-2-(methyloxy)-3-pyridinesulfonamide
Figure imgf000123_0001
[00178] A degassed mixture of N-(4-fluorophenyl)-2-(methyloxy)-5-(4,4,5,5-tetramethyl- 1 ,3,2Tdioxaborolan-2-yl)-3-pyridinesulfonamide (62.4 mg, 0.153 mmol), 6-bromo-1-{[4- (dimethylamino)tetrahydro-2H-pyran-4-yl]methyl}-1 H-benzimidazol-2-amine (54 mg, 0.153 mmol), Pd(dppf)2CI2 CH2CI2 adduct (12.48 mg, 0.015 mmol) and potassium acetate (45.0 mg, 0.459 mmol) in 1 ,4-dioxane (2 ml.) and water (0.5 mL) was heated at 90 °C for 3 hr. The reaction mixture was allowed to cool to room temperature then was diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-90% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-{[4- (dimethylamino)tetrahydro-2H-pyran-4-yl]methyl}-1 H-benzimidazol-6-yl)-N-(4-fluorophenyl)-2- (methyloxy)-3-pyridinesulfonamide (16 mg, 0.029 mmol, 18.87 % yield) as a white solid: H NMR (400 MHz, DMSO-d6) δ ppm 1.24 (br. s., 2 H) 1.88 (br. s., 2 H) 2.42 (s, 6 H) 3.47 (br. s., 4 H) 4.00 (s, 3 H) 4.07 (s, 2 H) 6.61 (br. s., 2 H) 7.00 - 7.1 1 (m, 2 H) 7.10 - 7.25 (m, 4 H) 7.39 (s, 1 H) 8.22 (d, J=2.34 Hz, 1 H) 8.65 (d, J=2.25 Hz, 1 H); ES LC-MS m/z =555.3 (M+H)+.
Example 39
5-(2-amino-1-(tert-butyl)-1H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxyp
sulfonamide formic acid salt
Figure imgf000123_0002
[00179] A degassed mixture of N-(tert-butyl)-2-methoxy-5-(4l4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (50 mg, 0.135 mmol), 6-bromo-1-(tert-butyl)-1 H- benzo[d]imidazol-2-amine (36.2 mg, 0.135 mmol), Pd(dppf)2CI2 CH2CI2 adduct (11.03 mg, 0.014 mmol) and potassium acetate (39.8 mg, 0.405 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (50 mL) and washed with H20 (50 ml_). The organic layer was filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-70% CH3CN/H20, both containing 0.1% formic acid) to obtain 5-(2-amino-1-(tert-butyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3- sulfonamide formic acid salt (26 mg, 0.060 mmol, 44.6 % yield) as a white solid: 1H NMR (400 MHz, DMSO-c/e) δ ppm 1 .12 (s, 9 H) 1.74 - 1.83 (m, 9 H) 4.04 (s, 3 H) 6.13 (br. s., 2 H) 7.21 (s, 1 H) 7.47 (s, 1 H) 7.66 (s, 1 H) 8.15 (s, 1 H) 8.22 (d, J=2.54 Hz, 1 H) 8.64 (d, 2.54 Hz, 1 H) 12.86 (br. s„ 1 H); ES LC-MS m/z =432.3 (M+H)+.
Example 40
5-(2-amino-1-phenyl-1H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridi
sulfonamide formic acid salt
Figure imgf000124_0001
[00180] A degassed mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (50 mg, 0.135 mmol), 6-bromo-1-phenyl-1 H- benzo[d]imidazol-2-amine (38.9 mg, 0.135 mmol), Pd(dppf)2CI2 CH2CI2 adduct (11.03 mg, 0.014 mmol) and potassium acetate (39.8 mg, 0.405 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (50 mL) and washed with H20 (50 mL). The organic layer was filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-70% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-phenyl-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3- sulfonamide formic acid salt (34 mg, 0.075 mmol, 55.8 % yield) as a white solid: 1H NMR (400 MHz, DMSO-c/e) δ ppm 1.05 - 1.10 (m, 9 H) 4.01 (s, 3 H) 6.44 (s, 2 H) 7.04 (s, 1 H) 7.32 (s, 2 H) 7.45 (s, 1 H) 7.50 - 7.58 (m, 3 H) 7.60 - 7.67 (m, 2 H) 8.12 - 8.17 (m, 2 H) 8.59 (d, J=2.54 Hz, 1 H); ES LC-MS m/z = (M+H)+.
Example 41
5-(2-amino-1-((4-(dimethylamino)tetrahydro-2H-pyran-4-yl)methyl)-1H-ben^ yl)-2-methoxy-N-phenylpyridine-3-sulfonamide formic acid salt
Figure imgf000125_0001
[00181] A degassed mixture of 2-(methyloxy)-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (80 mg, 0.205 mmol), 6-bromo-1-{[4- (dimethylamino)tetrahydro-2H-pyran-4-yl]methyl}-1 H-benzimidazol-2-amine (72.4 mg, 0.205 mmol), Pd(dppf)2CI2 CH2CI2 adduct (16.74 mg, 0.020 mmol) and potassium acetate (60.4 mg, 0.615 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. LCMS indicated complete reaction. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-((4-(dimethylamino)tetrahydro-2H-pyran-4-yl)methyl)-1 H- benzo[d]imidazol-6-yl)-2-methoxy-N-phenylpyridine-3-sulfonamide formic acid salt (12 mg, 0.020 mmol, 9.75 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.19 - 1.31 (m, 2 H) 1.88 (br. s., 2 H) 2.42 (s, 6 H) 3.46 (d, J=10.85 Hz, 2 H) 3.51 - 3.62 (m, 2 H) 4.00 (s, 3 H) 4.07 (s, 2 H) 6.61 (br. s„ 2 H) 6.95 - 7.01 (m, 1 H) 7.10 - 7.24 (m, 6 H) 7.40 (s, 1 H) 8.16 (s, 1 H) 8.26 (d, J=2.05 Hz, 1 H) 8.64 (d, J=2.05 Hz, 1 H); ES LC-MS m/z =537.2 (M+H)+.
Example 42
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)-2-methoxy-N-methyl-N- phenylpyridine-3-sulfonamide formic acid salt
Figure imgf000125_0002
Step A
5-bromo-N- nitroaniline
Figure imgf000126_0001
[00182] A solution of 4-bromo-2-fluoro-1 -nitrobenzene (2.66 g, 12.09 mmol), [4-(4- morpholinyl)phenyl]amine (2.155 g, 12.09 mmol), and potassium carbonate (3.34 g, 24.18 mmol) in Ν,Ν-dimethylformamide (DMF) (30 mL) was maintained at 90°C for 3 hours. The mixture was diluted with ethyl acetate and washed three times with 5% LiCI (aq). The organic layer was separated, dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and purified by column chromatography to afford (5-bromo-2-nitrophenyl)[4-(4- morpholinyl)phenyl]amine (3.45 g, 9.12 mmol, 75% yield) as a bright orange solid.
Step B
5-bromo-N1-(4-m zene-1,2-diamine
Figure imgf000126_0002
[00183] A solution of (5-bromo-2-nitrophenyl)[4-(4-morpholinyl)phenyl]amine (2060 mg,
5.45 mmol) in tetrahydrofuran (THF) (100 mL) was maintained with stirring at room temperature while sodium dithionite (9477 mg, 54.5 mmol) in Water (100 mL) was added dropwise by addition funnel over 25 minutes. The mixture was maintained with vigorous stirring for 3 hours, poured into ethyl acetate, and diluted with water. The organic layer was separated, dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and purified by column chromatography to afford (2-amino-5-bromophenyl)[4-(4-morpholinyl)phenyl]amine (987 mg, 2.83 mmol, 52.0 % yield) as a yellow solid.
Step C
6-bromo- 1 -(4-morph zol-2-amine
Figure imgf000127_0001
[00184] A solution of cyanogen bromide (400 mg, 3.77 mmol) in acetonitrile (2 mL) and water (12 mL) was treated with (2-amino-5-bromophenyl)[4-(4-morpholinyl)phenyl]amine (750 mg, 2.154 mmol) as a solution in methanol/acetonitrile (12 mL). Stirring was continued for 2 hours the the mixture was poured into ethyl acetate and diluted with saturated sodium bicarbonate. The organic layer was separated, dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and triturated with DCM to afford 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (365 mg, 0.978 mmol, 45.4% yield) as a white solid. The filtrates were collected, concentrated onto celite, and purified by column chromatography to afford additional 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2- amine (155 mg, 0.415 mmol, 19.28% yield) as a white foam.
Step D
5-(2-amino- 1 -(4-morpholinophenyl)- 1 H-benzo[d]imidazol-6-yl)-2-methoxy-N-methyl-N- phe salt
Figure imgf000127_0002
[00185] A degassed mixture of 2-methoxy-N-methyl-N-phenyl-5-(4,4,5,5-tetramethyl- 1 ,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide (60 mg, 0.148 mmol), 6-bromo-1-(4- morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (60.9 mg, 0.163 mmol), Pd(dppf)2CI2 CH2CI2 adduct (12.12 mg, 0.015 mmol) and potassium acetate (43.7 mg, 0.445 mmol) in 1 ,4-dioxane (4 ml_) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min.The resulting mixture was diluted with EtOAc (50 mL) and washed with H20 (50 mL). The organic layer was filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-70% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino- 1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-2-methoxy-N-methyl-N-phenylpyridine-3- sulfonamide formic acid salt (31 mg, 0.050 mmol, 33.5 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 3.19 - 3.28 (m, 4 H) 3.32 (s, 3 H) 3.73 - 3.82 (m, 4 H) 3.91 (s, 3 H) 6.32 (br. s., 2 H) 6.80 (d, J=1.47 Hz, 1 H) 7.11 - 7.24 (m, 6 H) 7.24 - 7.38 (m, 5 H) 7.88 (d, J=2.44 Hz, 1 H) 8.14 (s, 1 H) 8.59 (d, J=2.44 Hz, 1 H); ES LC-MS m/z =571.2 (M+H)+.
Example 43
5-(2-amino-1-((4-(dimethylamino)tetrahydro-2H-pyran-4-yl)methyl)-1H^
yl)-N-(tert-butyl)-2-methoxypyridine-3-sulfonamide formic acid salt
Figure imgf000128_0001
[00186] A degassed mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (80 mg, 0.216 mmol), 6-bromo-1-{[4- (dimethylamino)tetrahydro-2H-pyran-4-yl]methyl}-1 H-benzimidazol-2-amine (84 mg, 0.238 mmol), Pd(dppf)2CI2 CH2CI2 adduct (17.64 mg, 0.022 mmol) and potassium acetate (63.6 mg, 0.648 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-70% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-((4- (dimethylamino)tetrahydro-2H-pyran-4-yl)methyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2- methoxypyridine-3-sulfonamide formic acid salt (27 mg, 0.048 mmol, 21.99 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.11 (s, 9 H) 1.19 - 1.35 (m, 2 H) 1.92 (d, J=13.56 Hz, 2 H) 2.43 (s, 6 H) 3.47 (d, J=10.83 Hz, 2 H) 3.56 (d, J=10.63 Hz, 2 H) 4.04 (s, 3 H) 4.10 (s, 2 H) 6.64 (br. s., 2 H) 7.23 (s, 2 H) 7.46 (d, =7.51 Hz, 2 H) 8.14 (s, 1 H) 8.27 (d, J=2.44 Hz, 1 H) 8.68 (d, J=2.44 Hz, 1 H); ES LC-MS m/z =517.5 (M+H)+.
Example 44
5-(2-amino-1-isobutyl-1H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3- sulfonamide formic acid salt
Figure imgf000129_0001
[00187] A degassed mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (80 mg, 0.216 mmol), 6-bromo-1-isobutyl-1 H- benzo[d]imidazol-2-amine (63.7 mg, 0.238 mmol), Pd(dppf)2CI2 CH2CI2 adduct (17.64 mg, 0.022 mmol) and potassium acetate (63.6 mg, 0.648 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1% formic acid) to obtain 5-(2-amino-1-isobutyl-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine- 3-sulfonamide formic acid salt (43 mg, 0.089 mmol, 41.3 % yield) as a white solid: 1H NMR (400 MHz, DMSO-de) δ ppm 0.88 (d, J=6.63 Hz, 6 H) 1.11 (s, 9 H) 2.07 - 2.23 (m, 1 H) 3.87 (d, J=7.61 Hz, 2 H) 4.04 (s, 3 H) 6.56 (s, 2 H) 7.16 - 7.25 (m, 2 H) 7.46 (s, 1 H) 7.49 (s, 1 H) 8.16 (s, 1 H) 8.27 (d, J=2.44 Hz, 1 H) 8.68 (d, J=2A4 Hz, 1 H); ES LC-MS m/z =432.4 (M+H)+.
Example 45
5-(2~amino-1-cyclopentyl-1H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3- sulfonamide formic acid salt
Figure imgf000130_0001
[00188] A degassed mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (80 mg, 0.216 mmol), 6-bromo-1-cyclopentyl-1 H- benzo[d]imidazol-2-amine (66.6 mg, 0.238 mmol), Pd(dppf)2CI2 CH2CI2 adduct (17.64 mg, 0.022 mmol) and potassium acetate (63.6 mg, 0.648 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then was diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-cyclopentyl-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2- methoxypyridine-3-sulfonamide formic acid salt (58 mg, 0.118 mmol, 54.8 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1 .12 (s, 9 H) 1.69 (d, 5.56 Hz, 2 H) 1.86 - 2.05 (m, 4 H) 2.12 (d, J=8.29 Hz, 2 H) 4.04 (s, 3 H) 4.78 (quin, J=8.78 Hz, 1 H) 6.57 (br. s., 2 H) 7.24 (s, 2 H) 7.37 (s, 1 H) 7.48 (s, 1 H) 8.14 (s, 1 H) 8.24 (d, J=2.44 Hz, 1 H) 8.67 (d, J=2.44 Hz, 1 H); ES LC-MS m/z =444.4 (M+H)+.
Example 46
5-(2-amino-1-(pyridin-3-ylmethyl)-1H-benzo[d]imidazol-6-yl)-N^
methoxypyridine-3-sulfonamide formic acid salt
Figure imgf000130_0002
[00189] A degassed mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (80 mg, 0.216 mmol), 6-bromo-1-(pyridin-3-ylmethyl)- 1 H-benzo[d]imidazol-2-amine (72.0 mg, 0.238 mmol), Pd(dppf)2CI2 CH2CI2 adduct (17.64 mg, 0.022 mmol) and potassium acetate (63.6 mg, 0.648 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1 -(pyridin-3-ylmethyl)-1 H- benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3-sulfonamide formic acid salt (29 mg, 0.056 mmol, 25.9 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1 .09 (s, 9 H) 4.02 (s, 3 H) 5.44 (s, 2 H) 6.69 (s, 2 H) 7.1 1 (d, J=7.80 Hz, 1 H) 7.20 - 7.32 (m, 3 H) 7.44 (d, J=4.49 Hz, 2 H) 7.75 (td, J=7.71 , 1 .76 Hz, 1 H) 8.15 (s, 1 H) 8.22 (d, J=2.54 Hz, 1 H) 8.51 - 8.56 (m, 1 H) 8.60 (d, J=2.44 Hz, 1 H); ES LC-MS m/z =467.4 (M+H)+.
Example 47
5-(2-amino-1-((1r,4r)-4-hydroxycyclohexyl)-1H-benzo[d]imidazol-6-yl)-^^
methoxypyridine-3-sulfonamide formic acid salt
Figure imgf000131_0001
[00190] A degassed mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (80 mg, 0.216 mmol), (1 r,4r)-4-(2-amino-6-bromo-1 H- benzo[d]imidazol-1 -yl)cyclohexanol (73.7 mg, 0.238 mmol), Pd(dppf)2CI2 CH2CI2 adduct (17.64 mg, 0.022 mmol) and potassium acetate (63.6 mg, 0.648 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60%
CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1 -((1 r,4r)-4- hydroxycyclohexyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3-sulfonamide formic acid salt (51 mg, 0.106 mmol, 45 % yield) as a white solid: 1H NMR (400 MHz, DMSO- d6) δ ppm 1 .12 (s, 9 H) 1 .42 (br. s., 2 H) 1 .72 (br. s., 2 H) 1 .93 (br. s., 2 H) 2.16 - 2.40 (m, 2 H) 3.70 (br. s., 1 H) 4.04 (s, 3 H) 4.23 (br. s., 1 H) 4.67 (br. s., 1 H) 6.55 (br. s., 2 H) 7.20 (br. s., 2 H) 7.48 (s, 1 H) 7.52 - 7.64 (m, 1 H) 8.14 (s, 1 H) 8.24 (br. s., 1 H) 8.71 (br. s., 1 H); ES LC-MS m/z =474.4 (M+H)+.
Example 48
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)-N-(^^
methylpyridine-3-sulfonamide formic acid salt
Figure imgf000132_0001
Step A
5-bromo-N-(tert-butyl)- e-3-sulfonamide
Figure imgf000132_0002
[00191] A solution of 5-bromo-N-(tert-butyl)-2-methoxypyridine-3-sulfonamicle (460 mg, 1.423 mmol), potassium carbonate (983 mg, 7.12 mmol), and methyl iodide (0.267 mL, 4.27 mmol) in N,N-dimethylformamide (8 mL) was maintained at 80°C for 45 minutes. The solution was cooled to room temperature, poured into ethyl acetate, and washed three times with 5% aq. LiCI (aq). The organic layer was separated, dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and purified by column chromatography (20% EtOAc in hexanes) to afford 5-bromo-N-(tert-butyl)-2-methoxy-N-methylpyridine-3-sulfonamide (400 mg, 1.186 mmol, 83 % yield) as a yellow solid: 1H NMR (DMSO-d6) δ: 8.56 (d, J = 2.5 Hz, 1 H), 8.20 (d, J = 2.5 Hz, 1 H), 4.01 (s, 3H), 3.01 (s, 3H), 1.21 (s, 9H).
Step B
N-(tert-butyl)-2-methoxy-N-methyl-5-(4, 4, 5, 5-tetramethyl- 1, 3, 2-dioxaborolan-2-yl)pyridine-3- sulfonamide
Figure imgf000133_0001
[00192] A degassed mixture of 5-bromo-N-(tert-butyl)-2-methoxy-N-methylpyridine-3- sulfonamide (334 mg, 0.990 mmol), 4l4,4,,4',5,5,5',5'-octamethyl-2)2'-bi-1 ,3,2-dioxaborolane (277 mg, 1.089 mmol), Pd(dppf)2CI2 CH2CI2 adduct (81 mg, 0.099 mmol) and potassium acetate (292 mg, 2.97 mmol) in 1 ,4-dioxane (10 mL) was heated at 95 °C for 10 h, allowed to cool to room temperature and stirred over the weekend. The resulting mixture was filtered through pad of Celite®with the aid of EtOAc. The filtrate was concentrated, reevaporated twice from
CH2CI2/hexane. The residue was dissolved in CH2CI2, concentrated onto Celite® and purified by column chromatography (silica gel, 0-30% EtOAc/hexane) to obtain N-(tert-butyl)-2-methoxy-N- methyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide (356 mg, 0.741 mmol, 74.8 % yield) as a pale yellow oil: H NMR (400 MHz, DMSO-d6) δ ppm 1.27 - 1.35 (m, 12 H) 3.01 (s, 3 H) 4.04 (s, 3 H) 8.24 (d, J=1.86 Hz, 1 H) 8.56 (d, J=1.76 Hz, 1 H); ES LC-MS m/z =385.2 (M+H)+.
Step C
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)-N-(tert-bu^
meth salt
Figure imgf000133_0002
[00193] A degassed mixture of N-(tert-butyl)-2-methoxy-N-methyl-5-(4,4,5,5-tetramethyl- 1 ,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide (80 mg, 0.208 mmol), 6-bromo-1-(4- morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (85 mg, 0.229 mmol), Pd(dppf)2G2 CH2CI2 adduct (17.00 mg, 0.021 mmol) and potassium acetate (61.3 mg, 0.625 mmol) in 1 ,4-dioxane (4 ml_) and water (1 ml_) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then was diluted with H20 (50 ml_) and extracted with EtOAc (50 ml_) and CH2CI2 (50 ml_). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-70% CH3CN/H2O, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-(4- morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxy-N-methylpyridine-3- sulfonamide formic acid salt (33 mg, 0.055 mmol, 26.6 % yield) as a white solid: 1H NMR (400 MHz, DMSO- e) δ ppm 1.19 (s, 9 H) 3.02 (s, 3 H) 3.19 - 3.27 (m, 4 H) 3.73 - 3.81 (m, 4 H) 4.02 (s, 3 H) 6.55 (br. s., 2 H) 6.98 (s, 1 H) 7.16 (d, J=8.98 Hz, 2 H) 7.32 (s, 2 H) 7.37 (d, J=8.88 Hz, 2 H) 8.10 - 8.16 (m, 2 H) 8.59 (d, J=2.44 Hz, 1 H); ES LC-MS m/z =551.3 (M+H)+.
Example 49
tert-butyl 3-(2-amino-6-(5-(N-(tert-butyl)sulfamoyl)-6-methoxypyridin-3-yl)-1H- benzo[d]imidazol-1-yl)pyrrolidine-1-carboxylate formic acid salt
Figure imgf000134_0001
[00194] A degassed mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (80 mg, 0.216 mmol), tert-butyl 3-(2-amino-6-bromo- 1 H-benzo[d]imidazol-1 -yl)pyrrolidine-1-carboxylate (91 mg, 0.238 mmol), Pd(dppf)2CI2 CH2CI2 adduct (17.64 mg, 0.022 mmol) and potassium acetate (63.6 mg, 0.648 mmol) in 1 ,4-dioxane (4 mL) and water (1 ml.) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-70% CH3CN/H20, both containing 0.1 % formic acid) to obtain tert-butyl 3-(2-amino-6-(5-(N-(tert- butyl)sulfamoyl)-6-methoxypyridin-3-yl)-1 H-benzo[d]imidazol-1-yl)pyrrolidine-1-carboxylate formic acid salt (66 mg, 0.112 mmol, 51.7 % yield) as a white solid: H NMR (400 MHz, DMSO- d6) δ ppm 1 .10 (s, 9 H) 1.24 (d, J=7.51 Hz, 1 H) 1.39 (br. s., 9 H) 2.19 (br. s., 1 H) 2.53 - 2.65 (m, 1 H) 3.34 (br. s., 1 H) 3.54 - 3.80 (m, 2 H) 4.03 (s, 3 H) 5.06 (m, =7.32 Hz, 1 H) 6.61 (br. s., 2 H) 7.19 - 7.27 (m, 2 H) 7.46 (s, 2 H) 8.14 (s, 1 H) 8.25 (d, J=2.44 Hz, 1 H) 8.66 (d, J=1.66 Hz, 1 H); ES LC-MS m/z =545.3 (M+H)+.
Example 50
55-(2-amino-1-(pyrrolidin-3-yl)-1H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2^
methoxypyridine-3-sulfonamide trifluoroacetate
Figure imgf000135_0001
[00195] A solution of tert-butyl 3-(2-amino-6-(5-(N-(tert-butyl)sulfamoyl)-6- methoxypyridin-3-yl)-1 H-benzo[d]imidazol-1-yl)pyrrolidine-1-carboxylate formic acid salt (80 mg, 0.135 mmol) in CH2CI2 (2 mL) was treated with TFA (1 ml_). After 2 h at room temperature the reaction mixture was concentrated to obtain 5-(2-amino-1-(pyrrolidin-3-yl)-1 H-benzo[d]imidazol- 6-yl)-N-(tert-butyl)-2-methoxypyridine-3-sulfonamide trifluoroacetate (73 mg, 0.128 mmol, 95 % yield) as a grey solid: H NMR (400 MHz, DMSO-c/6) δ ppm 1.10 (s, 9 H) 2.35 - 2.69 (m, 2 H) 3.20 (d, J=6.24 Hz, 1 H) 3.69 (br. s., 3 H) 4.07 (s, 3 H) 5.36 (quin, J=9.22 Hz, 1 H) 7.48 - 7.62 (m, 3 H) 7.82 (s, 1 H) 8.33 (d, J=2.54 Hz, 1 H) 8.78 (d, J=2.34 Hz, 1 H) 8.91 (s, 2 H) 9.22 (br. s., 1 H) 9.33 (br. s., 1 H); ES LC-MS m/z =445.5 (M+H)+.
Example 51
5-(2-amino-1-(2-phenylpropan-2-yl)-1H-benzo[tfimidazol-6-yl)-N-(tert-brt
methoxypyridine-3-sulfonamide formic acid salt
Figure imgf000135_0002
[00196] A degassed mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (70 mg, 0.189 mmol), 6-bromo-1-(2-phenylpropan-2- yl)-1 H-benzo[d]imidazol-2-amine (68.7 mg, 0.208 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.44 mg, 0.019 mmol) and potassium acetate (55.7 mg, 0.567 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 30 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-(2-phenylpropan-2-yl)-1 H- benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3-sulfonamide formic acid salt (18 mg, 0.032 mmol, 17.11 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.07 - 1.12 (m, 9 H) 2.06 (s, 6 H) 4.00 (s, 3 H) 5.82 (s, 2 H) 6.71 (s, 1 H) 7.14 - 7.25 (m, 2 H) 7.27 - 7.44 (m, 6 H) 7.94 (d, J=2.34 Hz, 1 H) 8.16 (s, 1 H) 8.34 (d, J=2.34 Hz, 1 H); ES LC-MS m/z =494.5 (M+H)+.
Example 52
(S)-5-(2-amino-1-(1-phenylethyl)-1H-benzo[d]imidazol-6-yl)-N^^
methoxypyridine-3-sulfonamide formic acid salt
Figure imgf000136_0001
[00197] A degassed mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (70 mg, 0.189 mmol), (S)-6-bromo-1-(1-phenylethyl)- 1 H-benzo[d]imidazol-2-amine (65.8 mg, 0.208 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.44 mg, 0.019 mmol) and potassium acetate (55.7 mg, 0.567 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then was diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-70%
CH3CN/H20, both containing 0.1 % formic acid) to obtain (S)-5-(2-amino-1-(1-phenylethyl)-1 H- benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3-sulfonamide formic acid salt (27 mg, 0.051 mmol, 26.9 % yield) as a white solid: H NMR (400 MHz, DMSO-d6) δ ppm 1.09 (s, 9 H) 1.87 (d, J=7.02 Hz, 3 H) 3.96 - 4.03 (m, 3 H) 5.84 (q, J=6.96 Hz, 1 H) 6.65 (s, 2 H) 6.87 (s, 1 H) 7.13 - 7.23 (m, 2 H) 7.26 - 7.32 (m, 1 H) 7.33 - 7.43 (m, 5 H) 8.02 (d, J=2.54 Hz, 1 H) 8.16 (s, 1 H) 8.41 (d, J=2.34 Hz, 1 H); ES LC-MS m/z =480.5 (M+H)+.
Example 53
5-(2-amino-1-(2,3-dihydro-1H-inden-1-yl)-1H-benzo[d]imidazol-6-yl)-N^
methoxypyridine-3-sulfonamide formic acid salt
Figure imgf000137_0001
[00198] A degassed mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (70 mg, 0.189 mmol), 6-bromo-1-(2,3-dihydro-1 H- inden-1-yl)-1 H-benzo[d]imidazol-2-amine (68.3 mg, 0.208 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.44 mg, 0.019 mmol) and potassium acetate (55.7 mg, 0.567 mmol) in 1 ,4-dioxane (4 ml.) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-70% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-(2,3-dihydro-1 H-inden-1- yl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3-sulfonamide formic acid salt (20 mg, 0.037 mmol, 19.48 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.08 (s, 9 H) 2.17 - 2.36 (m, 1 H) 2.59 - 2.72 (m, 1 H) 2.94 - 3.09 (m,' 1 H) 3.12 - 3.24 (m, 1 H) 3.98 (s, 3 H) 5.98 - 6.32 (m, 2 H) 6.68 (br. s., 2 H) 7.00 (d, J=7.41 Hz, 1 H) 7.13 - 7.25 (m, 3 H) 7.33 (t, =7.32 Hz, 1 H) 7.38 (s, 1 H) 7.42 (d, J=7.61 Hz, 1 H) 7.88 (br. s., 1 H) 8.16 (s, 1 H) 8.25 (br. s., 1 H); ES LC-MS m/z =492.5 (M+H)+.
Example 54
5-(2-amino-1-((4-(dimethylamino)tetrahydro-2H-pyran-4-yl)methyl)-1H-benzo[d]i
yl)-N-(3-fluorophenyl)-2-methoxypyridine-3-sulfonamide formic acid salt
Figure imgf000138_0001
[00199] A degassed mixture of N-(3-fluorophenyl)-2-methoxy-5-(4,4,5,5-tetramethyl- 1 ,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide (75 mg, 0.184 mmol), 6-bromo-1-{[4- (dimethylamino)tetrahydro-2H^yran^-yl]methyl}-1 H-benzimidazol-2-amine (64.9 mg, 0.184 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.00 mg, 0.018 mmol) and potassium acetate (54.1 mg, 0.551 mmol) in 1 ,4-dioxane (4 ml_) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-((4- (dimethylamino)tetrahydro-2H-pyran-4-yl)methyl)-1 H-benzo[d]imidazol-6-yl)-N-(3-fluorophenyl)- 2-methoxypyridine-3-sulfonamide formic acid salt (18 mg, 0.030 mmol, 16.15 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.19 - 1.32 (m, 2 H) 1.90 (d, J=13.27 Hz, 2 H) 2.43 (s, 6 H) 3.46 (d, J=10.73 Hz, 2 H) 3.51 - 3.62 (m, 2 H) 3.99 (s, 3 H) 4.08 (s, 2 H) 6.61 (br. s., 2 H) 6.81 (td, J=8.39, 2.15 Hz, 1 H) 6.90 - 7.02 (m, 2 H) 7.16 - 7.29 (m, 3 H) 7.42 (s, 1 H) 8.15 (s, 1 H) 8.32 (d, J=2.34 Hz, 1 H) 8.67 (d, J=2.34 Hz, 1 H); ES LC-MS m/z =555.44 (M+H)+.
Example 55
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)-2-methoxy-N-(1- phenylethyl)pyridine-3-sulfonamide formic acid salt
Figure imgf000138_0002
[00200] A degassed mixture of 2-methoxy-N-(1-phenylethyl)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (80 mg, 0.191 mmol), 6-bromo-1-(4- morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (79 mg, 0.210 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.62 mg, 0.019 mmol) and potassium acetate (56.3 mg, 0.574 mmol) in 1 ,4-dioxane (4 mL) and water (1 imL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-(4-morpholinophenyl)- 1 H-benzo[d]imidazol-6-yl)-2-methoxy-N-(1-phenylethyl)pyridine-3-sulfonamide formic acid salt (52 mg, 0.082 mmol, 42.7 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.32 (d, J=7.02 Hz, 3 H) 3.18 - 3.28 (m, 4 H) 3.73 - 3.82 (m, 4 H) 3.88 (s, 3 H) 4.33 - 4.43 (m, 1 H) 6.69 (br. s., 2 H) 6.84 (d, J=1.37 Hz, 1 H) 6.93 - 7.05 (m, 3 H) 7.05 - 7.11 (m, 2 H) 7.15 - 7.25 (m, 3 H) 7.32 (d, J=8.00 Hz, 1 H) 7.39 (d, J=8.98 Hz, 2 H) 7.83 (d, J=2.54 Hz, 1 H) 8.13 (s, 1 H) 8.19 (d, J=8.98 Hz, 1 H) 8.33 (d, J=2.54 Hz, 1 H); ES LC-MS m/z =585.5 (M+H)+.
Example 56
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazoi-6-yi)-N-benzyl-2- methoxypyridine-3-sulfonamide formic acid salt
Figure imgf000139_0001
[00201] A degassed mixture of N-benzyl-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (80 mg, 0.198 mmol), 6-bromo-1-(4- morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (81 mg, 0.218 mmol), Pd(dppf)2CI2 CH2CI2 adduct (16.16 mg, 0.020 mmol) and potassium acetate (58.3 mg, 0.594 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-(4-morpholinophenyl)- 1 H-benzo[d]imidazol-6-yl)-N-benzyl-2-methoxypyridine-3-sulfonamide formic acid salt (46 mg, 0.075 mmol, 37.7 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 3.17 - 3.28 (m, 4 H) 3.72 - 3.81 (m, 4 H) 3.92 (s, 3 H) 4.11 (d, J=6.24 Hz, 2 H) 6.91 (s, 3 H) 7.03 - 7.15 (m, 4 H) 7.18 (d, J=8.98 Hz, 2 H) 7.27 - 7.33 (m, 1 H) 7.33 - 7.38 (m, 1 H) 7.40 (d, J=8.98 Hz, 2 H) 7.93 (d, J=2.54 Hz, 1 H) 8.13 (s, 1 H) 8.17 (t, J=6.34 Hz, 1 H) 8.43 (d, J=2.34 Hz, 1 H) 12.79 (br. s., 1 H); ES LC-MS m/z =571.4 (M+H)+.
General Scheme 2
Figure imgf000140_0001
Figure imgf000140_0002
Example 57
5-(2-amm' o-1-(2-(pyrrolidin-1-yl)ethyl)-1H-benzo[d]imidazol-6-yl)-N-(te^
methoxypyridine-3-sulfonamide formic acid salt
Figure imgf000141_0001
Step A
6-bromo- 1 -(2-chloroethyl)- 1 H-benzo[d]imidazol-2-amine hydrochloride
Figure imgf000141_0002
[00202] A mixture of 2-(2-amino-6-bromo-1 H-benzo[d]imidazol-1-yl)ethanol (1 g, 3.90 mmol) and thionyl chloride (3.99 ml, 54.7 mmol) was heated in an 85 °C bath for 30 min. The resulting mixture was concentrated. The residue was treated with water, sonicated and filtered to obtain 6-bromo-1-(2-chloroethyl)-1 H-benzo[d]imidazol-2-amine hydrochloride (1.164 g, 3.74 mmol, 96 % yield) as a tan solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 3.99 (t, 2 H) 4.58 (t, J=5.86 Hz, 2 H) 7.31 - 7.39 (m, 1 H) 7.39 - 7.46 (m, 1 H) 7.93 (d, J=1.56 Hz, 1 H) 9.10 (s, 2 H) 13.09 (br.s., 1 H); ES LC-MS m/z =274.0 (CI35, Br79, M+H)+, ES LC-MS m/z =276.0 (CI35, Br81, M+H)+.
Step B
6-bromo- 1-(2- o[d]imidazol-2-amine
Figure imgf000141_0003
[00203] A mixture of 6-bromo-1 -(2-chloroethyl)-1 H-benzo[d]imidazol-2-amine hydrochloride (100 mg, 0.322 mmol) and pyrrolidine (229 mg, 3.22 mmol) was heated at 80 °C overnight. The resulting mixture was allowed to cool to room temperature. The resulting solids were taken up into EtOAc (50 mL) and washed with a sat. NaHC03 solution. The organic layer was concentrated to obtain 6-bromo-1-(2-(pyrrolidin-1-yl)ethyl)-1 H-benzo[d]imidazol-2-amine (91 mg, 0.277 mmol, 86 % yield) as a beige solid: H NMR (400 MHz, DMSO-cfe) δ ppm 1.58 - 1.72 (m, 4 H) 2.45 - 2.54 (m, 4 H, overlaps with DMSO-d6) 2.66 (t, J=6.54 Hz, 2 H) 4.07 (t, =6.54 Hz, 2 H) 6.60 (s, 2 H) 7.04 (s, 2 H) 7.33 (s, 1 H); ES LC-MS /z =309.3 (Br79, M+H)+, ES LC-MS m/z =311.3 (Br81, M+H)+.
Step C
5-(2-amino- 1-(2-(pyrrolidin-1-yl)ethyl)-1H-benzo[d]imidazol-6-yl)~N^
meth salt
Figure imgf000142_0001
[00204] A degassed mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (80 mg, 0.216 mmol), 6-bromo-1-(2-(pyrrolidin-1- yl)ethyl)-1 H-benzo[d]imidazol-2-amine (78 mg, 0.238 mmol), Pd(dppf)2CI2 CH2CI2 adduct (17.64 mg, 0.022 mmol) and potassium acetate (63.6 mg, 0.648 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60%
CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-(2-(pyrrolidin-1-yl)ethyl)- 1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3-sulfonamide formic acid salt (47 mg, 0.089 mmol, 41.1 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.1 1 (s, 9 H) 1.63 - 1.72 (m, 4 H) 2.53 - 2.62 (m, 4 H) 2.76 (t, J=6.44 Hz, 1 H) 4.04 (s, 3 H) 4.18 (t, J=6.44 Hz, 1 H) 6.64 (br. s., 2 H) 7.17 - 7.28 (m, 2 H) 7.43 (s, 1 H) 7.47 (d, J=0.98 Hz, 1 H) 8.15 (s, 2 H) 8.29 (d, J=2.54 Hz, 1 H) 8.67 (d, J=2.34 Hz, 1 H) 12.08 - 13.76 (m, 1 H); ES LC-MS m/z =473.5 (M+H)+.
Example 58
5-(2-amino-1-(2-morpholinoethyl)-1H-benzo[d]imidazol-6-yl)-N-(t^
methoxypyridine-3-sulfonamide formic acid salt
Figure imgf000143_0001
Step A
6-bromo-1-(2- o[d]imidazol-2-
Figure imgf000143_0002
[00205] A mixture of 6-bromo-1 -(2-chloroethyl)-1 H-benzo[d]imidazol-2-amine hydrochloride (100 mg, 0.322 mmol) and pyrrolidine (229 mg, 3.22 mmol) was heated at 80 °C overnight. The resulting mixture was allowed to cool to room temperature. The resulting solids were taken up into EtOAc (50 mL) and washed with a sat. NaHC03 solution. The organic layer was concentrated to obtain.6-bromo-1-(2-(pyrrolidin-1-yl)ethyl)-1 H-benzo[d]imidazol-2-amine (91 mg, 0.277 mmol, 86 % yield) as a beige solid: H NMR (400 MHz, DMSO-cfe) δ ppm 1.58 - 1.72 (m, 4 H) 2.45 - 2.54 (m, 4 H, overlaps with DMSO-d6) 2.66 (t, /=6.54 Hz, 2 H) 4.07 (t, J=6.54 Hz, 2 H) 6.60 (s, 2 H) 7.04 (s, 2 H) 7.33 (s, 1 H); ES LC-MS m/z =309.3 (Br79, M+H)\ ES LC-MS m/z =311.3 (Br81, M+H)+.
Step B
5-(2-amino-1-(2-morpholinoethyl)-1H-benzo[d]imidazol-6-yl)-N-(tert-brt
sulfonamide formic acid salt
Figure imgf000144_0001
[00206] A degassed mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (80 mg, 0.216 mmol), 6-bromo-1 -(2-morpholinoethyl)- 1 H-benzo[d]imidazol-2-amine (77 mg, 0.238 mmol), Pd(dppf)2CI2 CH2CI2 adduct (17.64 mg, 0.022 mmol) and potassium acetate (63.6 mg, 0.648 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-(2-morpholinoethyl)-1 H- benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3-sulfonamide formic acid salt (54 mg, 0.101 mmol, 46.7 % yield) as a white solid:1H NMR (400 MHz, DMSO-cfe) δ ppm 1 .1 1 (s, 9 H) 4 protons obscured by DMSO-d6 signal 2.59 (t, J=6.35 Hz, 2 H) 3.53 (t, J=4.20 Hz, 4 H) 4.04 (s, 3 H) 4.17 (t, J=6.16 Hz, 2 H) 6.63 (br. s., 2 H) 7.17 - 7.27 (m, 2 H) 7.44 (s, 1 H) 7.50 (s, 1 H) 8.16 (s, 1 H) 8.30 (d, J=2.15 Hz, 1 H) 8.68 (d, J=2.15 Hz, 1 H); ES LC-MS m/z =489.5 (M+H)+.
Example 59
(R)-5-(2-amino-1-(1^henylethyl)-1H-benzo[d]imidazol-6-yl)-N-(tert-b^
methylpyridine-3-sulfonamide formic acid salt
Figure imgf000144_0002
[00207] A degassed mixture of N-(tert-butyl)-2-methoxy-N-methyl-5-(4,4,5,5-tetramethyl- 1 ,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide (69.3 mg, 0.180 mmol), (R)-6-bromo-1 -(1 - phenylethyl)-1 H-benzo[d]imidazol-2-amine (60 mg, 0.190 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.50 mg, 0.019 mmol) and potassium acetate (55.9 mg, 0.569 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain (R)-5-(2-amino-1-(1-phenylethyl)-1 H- benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxy-N-methylpyridine-3-sulfonamide formic acid salt (50 mg, 0.093 mmol, 48.8 % yield) as a white solid: H NMR (400 MHz, DMSO-cfe) δ ppm 1.16 - 1.23 (m, 9 H) 1.86.(d, J=7.04 Hz, 3 H) 3.02 (s, 3 H) 4.01 (s, 3 H) 5.84 (q, J=6.91 Hz, 1 H) 6.68 (br. s.', 2 H) 6.85 (s, 1 H) 7.13 - 7.24 (m, 2 H) 7.26 - 7.33 (m, 1 H) 7.34 - 7.43 (m, 4 H) 7.99 (d, J=2.35 Hz, 1 H) 8.14 (s, 1 H) 8.42 (d, J=2.35 Hz, 1 H); ES LC-MS m/z =494.4 (M+H)+.
Example 60
(R)-5-(2-amino-1-(1-phenylethyl)-1H-benzo[d]imidazol-6-yl)-N-benzyl-2-^
3-sulfonamide formic acid salt
Figure imgf000145_0001
[00208] A degassed mixture of N-benzyl-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (72.9 mg, 0.180 mmol), (R)-6-bromo-1-(1- phenylethyl)-1 H-benzo[d]imidazol-2-amine (60 mg, 0.190 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.50 mg, 0.019 mmol) and potassium acetate (55.9 mg, 0.569 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain (R)-5-(2-amino-1-(1-phenylethyl)-1 H- benzo[d]imidazol-6-yl)-N-benzyl-2-methoxypyridine-3-sulfonamide formic acid salt (50 mg, 0.089 mmol, 47.1 % yield) as a white solid: H NMR (400 MHz, DMSO-d6) δ ppm 1.89 (d, J=7.04 Hz, 3 H) 3.90 (s, 3 H) 4.10 (d, J=6.25 Hz, 2 H) 5.84 (q, J=6.97 Hz, 1 H) 6.65 (s, 2 H) 6.79 (d, J=1.56 Hz, 1 H) 6.98 - 7.15 (m, 5 H) 7.20 (d, J=8.01 Hz, 1 H) 7.25 - 7.33 (m, 1 H) 7.34 - 7.44 (m, 4 H) 7.83 (d, J=2.54 Hz, 1 H) 8.10 - 8.18 (m, 3 H) 8.24 (d, J=2.35 Hz, 1 H); ES LC-MS m/z =514.4 (M+H)+.
Example 61
(R)-5-(2-amino-1-(1-phenylethyl)-1H-benzo[d]imidazo 6-y -N-(3-fluoroph
methoxypyridine-3-sulfonamide formic acid salt
Figure imgf000146_0001
[00209] A degassed mixture of N-(3-fluorophenyl)-2-methoxy-5-(4,4,5,5-tetramethyl- 1 ,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide (73.6 mg, 0.180 mmol), (R)-6-bromo-1-(1- phenylethyl)-1 H-benzo[d]imidazol-2-amine (60 mg, 0.190 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.50 mg, 0.019 mmol) and potassium acetate (55.9 mg, 0.569 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain (R)-5-(2-amino-1-(1-phenylethyl)-1 H- benzo[d]imidazol-6-yl)-N-(3-fluorophenyl)-2-methoxypyridine-3-sulfonamide formic acid salt (53 mg, 0.094 mmol, 49.6 % yield) as a white solid: 1H NMR (400 MHz, DMSO-cf6) δ ppm 1.87 (d, J=7.04 Hz, 3 H) 3.96 (s, 3 H) 5.83 (q, J=6.97 Hz, 1 H) 6.67 (s, 2 H) 6.77 - 6.88 (m, 2 H) 6.88 - 6.97 (m, 2 H) 7.10 - 7.44 (m, 8 H) 8.04 (d, J=2.34 Hz, 1 H) 8.14 (s, 1 H) 8.41 (d, J=2.35 Hz, 1 H) 10.73 (br. s., 1 H); ES LC-MS m/z =518.4 (M+H)+.
Example 62
(R)-5-(2-amino-1-(1 -phenylethyl)-1 H-benzo[d]imidazol-6-yl)-N-benzyl-2-methoxy-N- methylpyridine-3-sulfonamide formic acid salt
Figure imgf000147_0001
[00210] A degassed mixture of N-benzyl-2-methoxy-N-methyl-5-(4,4,5,5-tetramethyl- 1 ,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide (75 mg, 0.180 mmol), (R)-6-bromo-1-(1- phenylethyl)-1 H-benzo[d]imidazol-2-amine (60 mg, 0.190 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.50 mg, 0.019 mmol) and potassium acetate (55.9 mg, 0.569 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then was diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain (R)-5-(2-amino-1-(1- phenylethyl)-1 H-benzo[d]imidazol-6-yl)-N-benzyl-2-methoxy-N-methylpyridine-3-sulfonamide formic acid salt (36 mg, 0.063 mmol, 33.1 % yield) as a white solid: 1H NMR (400 MHz, DMSO- cfe) δ ppm 1.87 (d, J=7.02 Hz, 3 H) 2.71 (s, 3 H) 4.01 (s, 3 H) 4.34 (s, 2 H) 5.84 (q, J=6.76 Hz, 1 H) 6.65 (s, 2 H) 6.89 (s, 1 H) 7.20 (s, 2 H) 7.24 - 7.43 (m, 10 H) 8.05 (d, J=2.34 Hz, 1 H) 8.14 (s, 1 H) 8.45 (d, J=2.34 Hz, 1 H); ES LC-MS m/z =528.4 (M+H)+.
Example 63
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)-N-(tert-bu^
methoxypyridine-3-sulfonamide formic acid salt
Figure imgf000147_0002
[00211] A degassed mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (140 mg, 0.378 mmol), 6-bromo-1-(4- morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (155 mg, 0.416 mmol), Pd(dppf)2CI2 CH2CI2 adduct (30.9 mg, 0.038 mmol) and potassium acetate (1 1 1 mg, 1.134 mmol) in 1 ,4-dioxane (6 mL) and water (1 .5 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 5-(2-amino-1-(4- morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3-sulfonamide formic acid salt (70 mg, 0.1 17 mmol, 30.8 % yield) as a white solid: 1H NMR (400 MHz, DMSO- dG) δ ppm 1 .08 (s, 9 H) 3.17 - 3.28 (m, 4 H) 3.71 - 3.82 (m, 4 H) 4.01 (s, 3 H) 6.78 (br. s., 2 H) 7.00 (s, 1 H) 7.15 (s, 1 H) 7.17 (s, 1 H) 7.30 - 7.43 (m, 4 H) 7.45 (s, 1 H) 8.11 - 8.18 (m, 2 H) 8.59 (d, J=2.54 Hz, 1 H); ES LC-MS m/z =537.4 (M+H)+.
Example 64
(R)-5-(2-amino-1-(1-phenylethyl)-1H-benzo[cqimidazol-6-yl)-N-fa
methoxypyridine-3-sulfonamide
Figure imgf000148_0001
[00212] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (30 mg, 0.081 mmol) and 6-bromo-1 -(3-morpholinophenyl)-1 H- benzo[d]imidazol-2-amine (30 mg, 0.081 mmol) and potassium acetate (24 mg, 0.243 mmol) in dioxane (4 mL) and water (0.75 mL) was sparged with nitrogen as PdC^dppf) DCM adduct (7 mg, 0.008 mmol) was added. The reaction mixture was then heated to 130°C for 15 minutes. The solution was then partitioned between EtOAc and brine. The organic layer was dried with Na2S04, filtered and the filtrate concentrated. The residue was purified by silica gel chromatography (0-5% MeOH in DCM). Fractions containing the product were combined and concentrated to and the residue was slurried in hexane - DCM then concentrated to yield (R)-5- (2-amino-1 -(1 -phenylethyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3- sulfonamide as a tan solid (15 mg, 39 % yield). 1H NMR (400 MHz, DMSO-d6) § ppm 8.41 (d, J=2.1 Hz, 1 H) 8.02 (d, J=2A Hz, 1 H) 7.47 - 7.33 (m, 5 H) 7.30 (d, J=6.2 Hz, 1 H) 7.23 - 7.12 (m, 2 H) 6.86 (s, 1 H) 6.65 (br. s., 2 H) 5.84 (d, J=7.0 Hz, 1 H) 4.00 (s, 3 H) 1.78 - 1 .95 (m, 3 H) 1 .08 (s, 9 H). ES-LCMS: m/z 480.3 (M+H+).
Example 65
-amino-1-(3-(oxazo^5-yl)phenyl)-1H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-
Figure imgf000149_0001
[00213] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (30 mg, 0.081 mmol) and 6-bromo-1 -(3-(oxazol-5-yl)phenyl)-1 H- benzo[d]imidazol-2-amine (29 mg, 0.081 mmol) and potassium acetate (24 mg, 0.243 mmol) in dioxane (4 mL) and water (0.75 mL) was sparged with nitrogen as PdCI2 (dppf) DCM adduct (7 mg, 0.008 mmol) was added. The reaction mixture was then heated to 130°C for 15 minutes. The solution was then partitioned between EtOAc and brine. The organic layer was dried with Na2S04, filtered and the filtrate concentrated. The residue was purified by silica gel chromatography (0-5% MeOH in DCM). Center cut fractions containing the product were combined and concentrated to and the residue was slurried in hexane - DCM and then concentrated to yield 5-(2-amino-1-(3-(oxazol-5-yl)phenyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert- butyl)-2-methoxypyridine-3-sulfonamide as a tan glass (14 mg, 33 % yield). 1H NMR (400 MHz, DMSO-c/e) 6ppm 8.59 (d, J=2.3 Hz, 1 H) 8.50 (s, 1 H) 8.16 (d, J=2.3 Hz, 1 H) 7.82 - 7.94 (m, 3 H) 7.73 (t, J=7.9 Hz, 1 H) 7.50 - 7.60 (m, 1 H) 7.44 (s, 1 H) 7.33 (s, 2 H) 7.09 (s, 1 H) 6.54 (s, 2 H) 4.00 (s, 3 H) 1 .06 (s, 9 H). ES-LCMS: m/z 519.3 (M+H+).
Example 66
5-(2-amino-1-(3-morpholinopheny -1H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2- methoxypyridine-3-sulfonamide
Figure imgf000150_0001
[00214] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (30 mg, 0.081 mmol) and 6-bromo-1-(3-morpholinophenyl)-1 H- benzo[d]imidazol-2-amine (30 mg, 0.081 mmol) and potassium acetate (24 mg, 0.243 mmol) in dioxane (4 mL) and water (0.75 mL) was sparged with nitrogen as PdCI2(dppf) DCM adduct (7 mg, 0.008 mmol) was added. The reaction mixture was then heated to 130°C for 15 minutes in the microwave. The solution was then partitioned between EtOAc and brine. The organic layer was concentrated. The residue was purified by silica gel chromatography (0-5% MeOH in DCM) The sample was further purified by HPLC (10-70% MeCN water with 0.1 % Formic acid) to yield 5-(2-amino-1 -(3-morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2- methoxypyridine-3-sulfonamide (8 mg, 18 % yield) as an-off white solid. 1H NMR (400 MHz, DMSO-d6) 5ppm 8.59 (d, J=2.5 Hz, 1 H) 8.22 - 8.11 (m, 1 H) 7.51 - 7.40 (m, 2 H) 7.31 (s, 2 H) 7.13 - 6.99 (m, 3 H) 6.92 (d, J=7.6 Hz, 1 H) 6.41 (s, 2 H) 4.01 (s, 3 H) 3.82 - 3.66 (m, 4 H) 3.24 - 3.18 (m, 4 H) 1.08 (s, 9 H). ES-LCMS: m/z 537.3 (M+H+).
Example 67
(R)-5-(2-amino-5-fluoro-1-(1-phenylethyl)-1H-benzo[d]imidazol-6-y -N-(tert-bu^
methoxypyridine-3-sulfonamide
Figure imgf000150_0002
Step A
(R)-5-bromo-4-fluoro-2-nitro-N-(1-phenylethyl)aniline
Figure imgf000151_0001
[00215] An orange mixture of 1-bromo-2,5-difluoro-4-nitrobenzene (2.163 g, 9.09 mmol),
(R)-l-phenylethanamine (1.212 g , 10 mmol) and Hunigs base (1.91 ml_, 36.4 mmol) in butanol (23.3 mL) was allowed to stir in an 80°C sand bath for 17 hours. The resulting orange solution was concentrated and the residue partitioned between EtOAc and NaHC03 solution. The organic layer was washed with brine, dried with Na2S04 filtered and concentrated to yield (R)-5- bromo-4-fluoro-2-nitro-N-(1-phenylethyl)aniline as an orange oil, (3.09 g, 94% crude yield); H NMR (400 MHz, DMSO-d6) Sppm 8.19 (d, J=6.8 Hz, 1 H) 8.05 (d, J=9.2 Hz, 1 H) 7.40 - 7.48 (m, 2 H) 7:36 (t, J=7.5 Hz, 2 H) 7.23 - 7.31 (m, 1 H) 7.18 (d, J=6.1 Hz, 1 H) 4.97 (t, J=6.7 Hz, 1 H) 1.55 (d, J=6.8 Hz, 3 H). LCMS: m/z 339.0 (M+H+).
Sfep β
(R)-5-bromo-4-fluo nzene-1,2-diamine
Figure imgf000151_0002
[00216] To a bright yellow solution of (R)-5-bromo-4-fluoro-2-nitro-N-(1- phenylethyl)aniline (3.08 g, 9.08 mmol) in EtOH (100 mL) was added drop wise a solution of sodium hydrosulfite (14.97 g, 85.98 mmol) in H20 (80 mL). After ~1 h from start of addition LCMS shows no starting material remaining. The pale yellow slurry was filtered and the solid was washed with EtOH. The filtrate was concentrated down to about 80 mL, diluted with EtOAc (100 mL) and water (50 mL). The organic layer was washed with a sat. NaCI solution (100 mL) and then concentrated. The residue was purified by purified by silica gel chromatography (0- 70% EtOAc/hexane) to obtain (R)-5-bromo-4-fluoro-N1-(1-phenylethyl)benzene-1 ,2-diamine, as a dark oil (1 .34 g, 3.94 mmol, as 0.35 ethyl acetate (solvate) 43.4 % yield). 1H NMR (400 MHz, DMSO-cfe) δ ppm 7.25 - 7.43 (m, 4 H) 7.12 - 7.24 (m, 1 H) 6.46 (d, J=10.7 Hz, 1 H) 6.19 (d, J=6.8 Hz, 1 H) 5.23 (br. s., 2 H) 5.02 (d, J=6.2 Hz, 1 H) 4.43 (t, J=6.5 Hz, 1 H) 1.43 (d, J=6.6 Hz, 3 H). LCMS: m/z 309.0 (MH+). Step C
(R)-6-bromo-5-fluoro- 1-( 1-phenylethyl)-1H-benzo[d]imidazol-2-amine
Figure imgf000152_0001
[00217] A solution of (R)-5-bromo-4-fluoro-N1-(1-phenylethyl)benzene-1 ,2-diamine, 0.35 ethyl acetate (solvate) (1.34 g, 3.94 mmol) in MeOH (6.1 ml_) was treated with cyanogen bromine (0.835 g, 7.88 mmol). The reaction mixture was maintained at room temperature for 2 hours. Additional CNBr (83 mg) was added and the solution was allowed to stir for another 30 minutes. The reaction mixture was then partitioned between EtOAc (100 mL) a sat. NaHC03 solution (100 mL) and water (20 mL). The organic layer was washed with a sat. NaCI solution and concentrated to obtain a brown solid. The residue was purified by silica gel
chromatography (0-5% MeOH in DCM). Fractions containing the product were combined and concentrated. The residue was dissolved in DCM/hexanes and concentrated. The sample was then slurried in DCM/hexanes and filtered to yield (R)-6-bromo-5-fluoro-1-(1-phenylethyl)-1 H- benzo[d]imidazol-2-amine as a light tan solid (1.012 g, 3.03 mmol, 77 % yield). 1H NMR (400 MHz, DMSO-cfe) .5 ppm 7.35 - 7.42 (m, 2 H) 7.25 - 7.34 (m, 3 H) 7.07 (d, J=9.8 Hz, 1 H) 6.75 - 6.85 (m, 3 H) 5.65 - 5.85 (m, 1 H) 1.81 (d, J=7.2 Hz, 3 H).
Step D
(R)-5-(2-amino-5-fluoro-1-(1-phenylethyl)-1H-benzo[d]imidazol-6-yl)-N-(te^
Figure imgf000152_0002
[00218] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (1 11 mg, 0.299 mmol) and (R)-6-bromo-5-fluoro-1-(1-phenylethyl)-1 H- benzo[d]imidazol-2-amine (100 mg, 0.299 mmol) and potassium acetate (88 mg, 0.896 mmol) in dioxane (10 mL) and water (2.5 mL) was sparged with nitrogen as PdC^dppf) DCM adduct (24 mg, 0.03 mmol) was added. The reaction mixture was then heated to 130°C for 15 minutes. The solution was then partitioned between EtOAc and brine. The organic layer was dried with Na2S04, filtered and the filtrate concentrated. The residue was purified by silica gel chromatography (0-5% MeOH in DCM). Fractions containing the product were combined and concentrated to and the residue was slurried in hexane - DCM then concentrated. The sample was further purified by silica gel chromatography (0-5 % MeOH in DCM). Centercut fractions were combined and concentrated. The residue was dissolved in DCM/hexanes and concentrated to yield (R)-5-(2-amino-5-fluoro-1-(1-phenylethyl)-1 H-benzo[d]imidazol-6-yl)-N- (tert-butyl)-2-methoxypyridine-3-sulfonamide as a tan solid (62 mg, 39 % yield). 1H NMR (400 MHz, DMSO-c/6) δ ppm 8.26 (s, 1 H) 8.02 (d, J=1.4 Hz, 1 H) 7.45 (s, 1 H) 7.24 - 7.42 (m, 5 H) 7.03 (d, J^ -\ .9 Hz, 1 H) 6.81 (br. s., 2 H) 6.70 (d, J=7.0 Hz, 1 H) 5.77 - 5.88 (m, 1 H) 4.02 (s, 3 H) 1.86 (d, J=6.8 Hz, 3 H) 1 .09 (s, 9 H) LCMS: m/z 498.3 (M+H+).
Example 68
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-y0-N-(3-chlorophen
methoxypyridine-3-sulfonamide
Figure imgf000153_0001
[00219] A mixture of N-(3-chlorophenyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (127 mg, 0.30 mmol) and 6-bromo-1-(4- morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (112 mg, 0.30 mmol) and potassium acetate (88 mg, 0.90 mmol) in dioxane (10 mL) and water (2.5 mL) was sparged with nitrogen as PdCI2(dppf) DCM adduct (24 mg, 0.03 mmol) was added. The reaction mixture was then heated to 130°C for 15 minutes. The solution was then partitioned between EtOAc and brine. The organic layer was dried with Na2S04, filtered and the filtrate concentrated. The residue was dissolved in DMF (2 mL) and filtered. The filtrate was concentrated and the residue slurried in EtOAc. The dark solid was purified by reverse phase (HPLC 10-70% MeCN in water with 0.1 % formic acid). Fractions containing the product were combined and concentrated and the residue was slurried in hexane - DCM then concentrated to yield 5-(2-amino-1-(4-morpholinophenyl)- 1 H-benzo[d]imidazol-6-yl)-N-(3-chlorophenyl)-2-methoxypyridine-3-sulfonamide as a tan solid (40 mg, 21 % yield). 1H NM (400 MHz, DMSO-c 6) .5 ppm 8.56 (d, J=2.1 Hz, 1 H) 8.06 - 8.27 (m, 2 H) 7.35 (d, J=8.6 Hz, 2 H) 7.10 - 7.30 (m, 6 H) 6.99 - 7.09 (m, 2 H) 6.92 (s, 1 H) 6.31 (br. s., 2 H) 3.95 (s, 3 H) 3.77 (d, J=3.7 Hz, 4 H) 3.23 (d, J=3.9 Hz, 4 H). LCMS: m/z 591.2 (M+H+).
Example 69
(R)-5-(2-amino-1-(1-phenylpropyl)-1H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2- methoxypyridine-3-sulfonamide
Figure imgf000154_0001
Step A
(R)-5-brom aniline
Figure imgf000154_0002
[00220] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), (R)-1- phenylpropan-1-amine (1.229 g, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C. After 2 hours the resulting mixture was allowed to cool to room temperature, diluted with EtOAc (100 mL) and washed with a 5% LiCI solution (3x100 mL). The organic layer was concentrated to obtain an yellow oil, which was purified by silica gel chromatography (0-20% EtOAc in hexanes) to obtain (R)-5-bromo-2-nitro-N-(1- phenylpropyl)aniline as a yellow oil (3.75 g, 9.10 mmol, 0.5 ethyl acetate assume 100 % yield). H NMR (400 MHz, DMSO-d6) δ ppm 8.39 (d, J=7.0 Hz, 1 H) 7.99 (d, J=9.2 Hz, 1 H) 7.39 - 7.46 (m, 2 H) 7.36 (t, J=7.6 Hz, 2 H) 7.22 - 7.30 (m, 1 H) 7.04 (d, J=2.0 Hz, 1 Hj 6.82 (dd, J=9.2, 2.0 Hz, 1 H) 4.03 (q, J=7.2 Hz, 1 H) 1.69 - 2.08 (m, 2 H) 0.91 (t, J=7.3 Hz, 3 H).
Step B
(R)-5-bromo-N ne-1,2-diamine
Figure imgf000155_0001
[00221] To a bright yellow solution of (R)-5-bromo-2-nitro-N-(1-phenylpropyl)aniline (3.05 g, 9.09 mmol) in EtOH (104 mL) was added dropwise a solution of sodium hydrosulfite (14.99 g, 86.1 mmol) in H20 (83 mL). After -1 h from start of addition the pale yellow slurry was filtered and the solid was washed with EtOH. The filtrate was concentrated down to about 80 mL, diluted with EtOAc (100 mL) and water (50 mL). The organic layer was washed with a sat. NaCI solution (100 mL) and concentrated. The residue was purified purified by silica gel
chromatography (0-70% EtOAc/hexane) to obtain (R)-5-bromo-N1-(1-phenylpropyl)benzene- 1 ,2-diamine as a dark oil (1.92 g, 5.79 mmol, 0.3 ethyl acetate 63.7 % yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 7.26 - 7.38 (m, 4 H) 7.15 - 7.23 (m, 1 H) 6.41 (d, J=0.8 Hz, 2 H) 6.24 (s, 1 H) 5.10 (d, J=7.0 Hz, 1 H) 4.86 (s, 2 H) 4.20 (q, J=7.0 Hz, 1 H) 1.76 - 1.95 (m, 1 H) 1.68 (dt, J=13.8, 6.7 Hz, 1 H) 0.91 (t, J=7.3 Hz, 3 H). LCMS: m/z 305.0 (M+H+).
Step C
(R)-6-bromo-1-(1-p idazol-2-
Figure imgf000155_0002
[00222] Cyanogen bromide (1.22 g, 11 .52 mmmol) was added to a solution of (R)-5- bromo-N1-(1 -phenylpropyl)benzene-1 ,2-diamine, 0.3 ethyl acetate (solvate) (1.91 g, 5.76 mmol) in methanol (8.9 mL). The resulting dark solution was allowed to stir at room temperature for 2 hours. The solution was then partitioned between EtOAc and NaHC03 solution. The organic layer was dried with Na2S04, filtered and concentrated to yield a brown solid. The residue was purified by silica gel chromatograph (0-5% MeOH in DCM) to yield (R)-6-bromo-1-(1- phenylpropyl)-1 H-benzo[d]imidazol-2-amine (0.64 g, 33.7% yield). 1H NMR (400 MHz, DMSO- d6) 5ppm 7.34 - 7.41 (m, 2 H) 7.26 - 7.34 (m, 3 H) 7.03 - 7.07 (m, 1 H) 6.98 - 7.02 (m, 1 H) 6.91 (d, J=1.8 Hz, 1 H) 6.68 (s, 2 H) 5.52 (t, J=7.9 Hz, 1 H) 2.36 (quin, J=7.5 Hz, 2 H) 0.80 (t, J=7.Z Hz, 3 H). LCMS: m/z 330.3 (M+H+).
Step D
'-amino-1-(1-phenylpropyl)-1H-benzo[d]imidazol-6-yl)-N-(tert-bu^
Figure imgf000156_0001
[00223] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (11 1 mg, 0.299 mmol) and (R)-6-bromo-5-fluoro-1-(1-phenylethyl)-1 H- benzo[d]imidazol-2-amine (100 mg, 0.299 mmol) and potassium acetate (88 mg, 0.896 mmol) in dioxane (10 ml_) and water (2.5 ml.) was sparged with nitrogen as PdCI2(dppf) DCM adduct (24 mg, 0.03 mmol) was added. The reaction mixture was then heated to 130°C for 15 minutes. The solution was then partitioned between EtOAc and brine. The organic layer was dried with Na2S0 , filtered and the filtrate concentrated. The residue was purified by reverse phase (HPLC 10-70% MeCN / water with 0.1% formic acid) to yield (R)-5-(2-amino-1-(1-phenylpropyl)- 1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3-sulfonamide formic acid salt as an off white solid (46 mg, 28 % yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.45 (d, J=2.5 Hz, 1 H) 8.07 (d, J=2.5 Hz, 1 H) 7.33 - 7.45 (m, 5 H) 7.24 - 7.30 (m, 1 H) 7.15 - 7.23 (m, 2 H) 7.05 (s, 1 H) 6.68 (s, 2 H) 5.59 (dd, J=10.1 , 5.6 Hz, 1 H) 4.01 (s, 3 H) 2.37 - 2.48 (m, 2 H) 1.09 (s, 9 H) 0.85 (t, J=7.2 Hz, 3 H). LCMS: m/z 494.3 (M+H+).
Example 70
(R)-5-(2-amino-1-(2-methyl-1-phenylpropyl)-1H-benzo[d]imidazol-6-yl)-N^
methoxypyridine-3-sulfonamide
Figure imgf000157_0001
Step A
(R)-5-bromo-N- -2-nitroaniline
Figure imgf000157_0002
[00224] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), (R)-2- methyl-1-phenylpropan-l-amine, Hydrochloride (1.357 g, 9.09 mmol) and K2CO3 (2.51 g,
18.18 mmol) in DMF (20 mL) (1.51 g) The mixture was heated overnight at 90°C. The mixture was allowed to cool to room temperature then diluted with EtOAc. The mixture was then washed with 5% LiCI solution 3 x 100 mL then brine. The organic layer was dried with Na2S04, filtered and purified by silica gel chromatography (0-20 % EtOAc in hexanes). Fractions containing the product were combined and concentrated to obtain 3.48 g of a yellow oil. The sample was dissolved in DMF (20mL) and (R)-2-methyl-1-phenylpropan-1 -amine, Hydrochloride (543 mg) was added followed by K2C03 (1.51 g). The mixture was heated overnight at 90°C.
The mixture was allowed to cool to room temperature then diluted with EtOAc. The mixture was then washed with 5% LiCI solution 3 x 100 mL then brine. The organic layer was dried with Na2S04, filtered and purified by silica gel chromatography (0-20 % EtOAc in hexanes) to obtain (R)-5-bromo-N-(2-methyl-1-phenylpropyl)-2-nitroaniline as a yellow oil, (3.11 g, 8.11 mmol as 0.3 ethyl acetate, 89 % yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.55 (d, J=7.2 Hz, 1 H) 7.99 (d, J=9.0 Hz, 1 H) 7.30 - 7.44 (m, 4 H) 7.22 - 7.30 (m, 1 H) 7.04 (d, J=2.0 Hz, 1 H) 6.81 (dd, J=9.1 , 2.0 Hz, 1 H) 4.65 (t, J=7.0 Hz, 1 H) 2.07 - 2.24 (m, 1 H) 0.68 - 1.07 (m, 6 H). LCMS: m/z 349.1 (M+H+).
Step B
(R)-5-bromo-N 1-(2-methyl- 1 -phenylpropyl)benzene- 1, 2-diamine
Figure imgf000158_0001
[00225] To a bright yellow solution of (R)-5-bromo-N-(2-methyl-1-phenylpropyl)-2- nitroaniline (3.10 g, 8.25 mmol as 0.3 ETHYL ACETATE) in EtOH (87 mL) was added drop wise a solution of sodium hydrosulfite (12.98 g, 74.6 mmol) in H20 (69 mL). After -2 hours from start of addition, the pale yellow slurry was filtered and the solid was washed with EtOH. The filtrate was concentrated down to about 80 mL, diluted with EtOAc (100 mL) and water (50 mL). The organic layer was washed with a sat. NaCI solution (100 mL) and concentrated. The residue was purified by silica gel chromatography (0-50% EtOAc/hexane) to obtain (R)-5-bromo-N1-(2- methyl-1-phenylpropyl)benzene-1 ,2-diamine as a dark oil, (1.96 g, 5.53 mmol, as 0.4 ethyl acetate 67.0 % yield). 1H NMR (400 MHz, DMSO-cfe) δ ppm 7.32 - 7.37 (m, 2 H) 7.26 - 7.32 (m, 2 H) 7.15 - 7.23 (m, 1 H) 6.41 (s, 2 H) 6.28 (s, 1 H) 5.00 (d, J=7.4 Hz, 1 H) 4.85 (s, 2 H) 3.90 - 4.12 (m, 1 H) 1.86 - 2.11 (m, 1 H) 1.04 (d, J=6.6 Hz, 3 H) 0.74 (d, J=6.6 Hz, 3 H). LCMS: m/z 319.3 (M+H+).
Step C
(R)-6-bromo-1-(2-meth enzo[d]imidazol-2-amine
Figure imgf000158_0002
[00226] Cyanogen bromide (0.598 g, 5.64 mmmol) was added to a solution of (R)-5- bromo-N1-(2-methyl-1-phenylpropyl)benzene-1 ,2-diamine, (1.00 g, 2.82 mmol as 0.4 ethyl acetate) in methanol (4.4 mL). The resulting dark solution was allowed to stir at room temperature for 2 hours. The solution was then partitioned between EtOAc and NaHC03 solution. The organic layer was dried with Iv^SO^ filtered and concentrated. The residue was slurried in EtOAc and filtered to yield (R)-6-bromo-1-(2-methyl-1 -phenylpropyl)-1 H- benzo[d]imidazol-2-amine as an off white solid (206 mg, 21 % yield). 1H NMR (400 MHz, DMSO- cfe) S PPm 7.57 (d, J=7.4 Hz, 2 H) 7.31 - 7.44 (m, 3 H) 7.20 - 7.32 (m, 1 H) 6.99 (d, J=0.8 Hz, 2 H) 6.74 (s, 2 H) 5.11 (d, J=11.3 Hz, 1 H) 3.06 - 3.23 (m, 1 H) 1.01 (d, J=6A Hz, 3 H) 0.77 (d, J=6.4 Hz, 3 H). LCMS: m/z 344.3 (M+H+).
Step D
(R)-5-(2-amino-1-(2-methyl-1^henylpropyl)-1H-benzo[d]imidazo
Figure imgf000159_0001
[00227] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (1 11 mg, 0.30 mmol) and (R)-6-bromo-1-(2-methyl-1-phenylpropyl)- 1 H-benzo[d]imidazol-2-amine (103 mg, 0.30 mmol) and potassium acetate (88 mg, 0.896 mmol) in dioxane (10 ml_) and water (2.5 mL) was sparged with nitrogen as PdC^dppf) DCM adduct
(24 mg, 0.03 mmol) was added. The reaction mixture was then heated to 130°C for 15 minutes. The solution was then partitioned between EtOAc and brine. The organic layer was dried with a2S04, filtered and the filtrate concentrated. The residue was purified by reverse phase
HPLC (10-70% MeCN / water with 0.1 % formic acid). Clean fractions were combined and concentrated. The residue was dissolved in dcm/hexanes and concentrated to yield (R)-5-(2- amino-1 -(2-methyl-1 -phenylpropyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine- 3-sulfonamide as an off white solid. (45 mg, 27 % yield as the formic acid salt). 1H NMR (400 MHz, DMSO-d6) $ ppm 8.59 (d, J=2.5 Hz, 1 H) 8.14 - 8.21 (m, 2 H) 7.65 (d, J=7.4 Hz, 2 H) 7.52 (s, 1 H) 7.45 (s, 1 H) 7.37 (t, J=7.6 Hz, 2 H) 7.21 - 7.30 (m, 1 H) 7.15 (s, 1 H) 6.74 (s, 2 H) 5.17 (d, J=-\ -\ A Hz, 1 H) 4.04 (s, 3 H) 1.24 (br. s., 1 H) 1.12 (s, 9 H) 1.04 (d, J=6.4 Hz, 3 H) 0.82 (d, J=6.4 Hz, 3 H). LCMS: m/z 508.2 (M+H+).
Example 71
5-(2-amino-1-benzyl-5-methyl-1H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-metho
3-sulfonamide
Figure imgf000160_0001
Step A
6-bromo-5-m zol-2-
Figure imgf000160_0002
[00228] A cooled 0 °C solution of 4-bromo-5-methylbenzene-1 ,2-diamine (0.86 g, 4.28 mmol) in acetonitrile (4 mL) and water (2 mL) was treated with cyanogen bromine (0.498 g, 4.70 mmol). The reaction mixture was allowed to warm slowly to room temperature and stir overnight. The reaction mixture was partitioned between DCM (100 mL) a sat. NaHCC^ solution (100 mL) and water (20 mL). The organic layer was dried with Na2SC>4, filtered and concentrated to obtain a brown solid. 67-1 The aqueous layer was filtered to yield a light tan solid. The is^SC^ contained a tan solid as well. The salts were dissolved in water, sonicated then filtered to yield a pink solid. Spectra of the pink solid and the material from the aqueous filtration were comparable so the samples were combined to yield 6-bromo-5-methyl-1 H- benzo[d]imidazol-2-amine as a light tan solid (825 mg, 3.28 mmol, 77 % yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 10.83 (br. s., 1 H) 7.21 - 7.40 (m, 1 H) 7.02 - 7.16 (m, 1 H) 6.67 (br. s., 2 H) 2.24 - 2.39 (m, 3 H). LCMS: m/z 225.9 (M+H+).
Step B
1-benzyl-6-bromo-5-methyl-1H-benzo[d]imidazol-2-amine and 1~benzyl-5-bromo-6-methyl-1H-
Figure imgf000160_0003
[00229] A mixture of 6-bromo-5-methyl-1 H-benzo[d]imidazol-2-amine (822 mg, 3.27 mmol) in MeCN (174 mL) was stirred at room temperature as sodium hydroxide (131 mg, 3.27 mmol) was added. The mixture was allowed to stir for one hour before the addition of benzyl bromide (0.39 mL, 3.27 mmol). The mixture was then heated at reflux for 18 hours. The solution was allowed to cool to room temperature. A solid precipitated. The mixture was filtered to yield an off white solid. The filtrate was concentrated and the residue was partitioned between DCM and water. Organic layer was purified by silica gel chromatography (0-10% 2N NH3 in MeOH in DCM). Fractions containing the product were combined and concentrated. The residue was further purified by HPLC (10 - 70 % MeCN in water with 0.1% formic acid). Fractions containing the product were combined and concentrated to yield a mixture of 1- benzyl-6-bromo-5-methyl-1 H-benzo[d]imidazol-2-amine and 1-benzyl-5-bromo-6-methyl-1 H- benzo[d]imidazol-2-amine (85 mg, 8.2 %). 1H NMR (400 MHz, DMSO-cfe) δ ppm 7.88 (br. s., 2 H) 7.42 - 7.57 (m, 1 H) 7.32 - 7.39 (m, 2 H) 7.26 - 7.32 (m, 2 H) 7.21 (d, J=7.2 Hz, 2 H) 5.33 (d, J=13.5 Hz, 2 H) 2.34 (d, J=1 1.9 Hz, 3 H). LCMS: m/z 316.0 (M+H+).
Step C
5-(2-amino- 1 -benzyl-5-methyl- 1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3- sulfonamide
Figure imgf000161_0001
[00230] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (94 mg, 0.253 mmol) and 1-benzyl-6-bromo-5-methyl-1 H- benzo[d]imidazol-2-amine and 1-benzyl-5-bromo-6-methyl-1 H-benzo[d]imidazol-2-amine (80 mg, 0.253 mmol) and potassium acetate (74.5 mg, 0.759 mmol) in dioxane (8 mL) and water (2.0 mL) was sparged with nitrogen as PdC^dppf) DCM adduct (21 mg, 0.03 mmol) was added. The reaction mixture was then heated to 130°C for 15 minutes. The solution was then partitioned between EtOAc and brine. The organic layer was dried with Na2S04, filtered and the filtrate concentrated. The residue was purified by HPLC (10-70% MeCN - water with 0.1 % Formic acid). Fractions were containing both regioisomers combined and concentrated. The regioisomers were separated by additional HPLC (MeCN - water with TFA modifier). Fractions containing the first peak were combined and concentrated. The residue was dissolved in DCM/hexanes and concentrated to yield (R)-5-(2-amino-1-(1-phenylethyl)-1 H-benzo[d]imidazol- 6-yl)-N-(tert-butyl)-2-methoxypyridine-3-sulfonamide as an off white solid (5 mg, 3 % yield as the TFA salt). 1H NMR (500 MHz, DMSO-d6) δ ppm 8.82 (br. s., 2 H) 8.30 (d, J=2A Hz, 1 H) 7.96 (d, J=2.3 Hz, 1 H) 7.49 (s, 1 H) 7.36 - 7.38 (m, 4 H) 7.29 - 7.31 (m, 3H) 5.43 (br. s., 2 H) 4.05 (s, 3 H) 2.25 (s, 3 H) 1.10 (s, 9 H). LCMS: m/z 480.3 (M+H+).
Example 72
2-amino-5-{2-amino-1-[4-(4-morphoUnyl)phenyl]-1H-benzimidazol-6-yl}-N,N-dim
ridinesulfonamide
Figure imgf000162_0001
[00231] A mixture of 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (0.029 g, 0.076 mmol), 2-amino-N,N-dimethyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinesulfonamide (0.025 g, 0.076 mmol) and PdCI2(dppf)-CH2CI2 adduct (6.24 mg, 7.64 pmol) in 1 ,4-dioxane (3 mL) and NaHC03 solution (sat. aq. 2 ml.) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-5- {2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-N,N-dimethyl-3-pyridinesulfonamide (7.7 mg, 0.014 mmol, 18.38 % yield) as a white solid. 1H NMR (400 MHz, DMSO-cfe) δ ppm 8.45 (d, J = 2.35 Hz, 1 H), 7.80 (d, J = 2.54 Hz, 1 H), 7.35 (d, J = 8.99 Hz, 2 H), 7.19 - 7.28 (m, 2 H), 7.15 (d, J = 8.99 Hz, 2 H), 6.90 (d, J = 1.37 Hz, 1 H), 6.67 (br. s., 2 H), 6.24 (s, 2 H), 3.72 - 3.82 (m, 4H), 3.18 - 3.28 (m, 4 H), 2.69 (s, 6 H); ES-LCMS: 494.4 (M+1 ).
Example 73 2-am/no-5-f2-am/no-i- ^4-('4-morpho//ny/^pAieny/7-iH-benz /n/dazo/-6-y/ -W-pAjeny/-3- ridinesulfonamide
Figure imgf000163_0001
[00232] A mixture of 6-bromo-1 -[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (37.3 mg, 0.100 mmol), 2-amino-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinesulfonamide (37.5 mg, 0.100 mmol) and PdCI2(dppf)-CH2Cl2 adduct (8.16 mg, 9.99 pmol) in 1 ,4-dioxane (3 mL) and NaHC03 solution (sat. aq. 2 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-5- {2-amino-1 -[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-N-phenyl-3-pyridinesulfonamide as a white solid (19.2mg, 35.5%). H NMR (400 MHz, DMSO-d6) δ ppm 10.43 (br. s., 1 H), 8.34 (d, J = 1.95 Hz, 1 H), 7.82 (d, J = 2.15 Hz, 1 H), 7.34 (d, J = 8.79 Hz, 2 H), 7.04 - 7.26 (m, 8 H), 6.85 - 7.02 (m, 1 H), 6.72 (s, 1 H), 6.67 (br. s., 2 H), 6.25 (br. s., 2 H), 3.67 - 3.84 (m, 4 H), 3.07 - 3.28 (m, 4 H); ES-LCMS: 542.3 (M+1 ).
Example 74
2-am/no-5-f2-aA77/no-i- 4-f4-morp/jo//'ny/^p jeny/J-iH-benz /n/i/azo/-6-y ^-W-cyc/opfopy/-3- ridinesulfonamide
Figure imgf000163_0002
[00233] A mixture of 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (37.3 mg, 0.100 mmol), 2-amino-N-cyclopropyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- p'yridinesulfonamide (33.9 mg, 0.100 mmol) and PdCI2(dppf)-CH2Cl2 adduct (8.16 mg, 9.99 pmol) in 1 ,4-dioxane (3 mL) and NaHC03 solution (sat. aq. 2 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-5- {2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-N-cyclopropyl-3- pyridinesulfonamide as a white solid (7.6mg, 15.04%). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.44 (br. s., 1 H), 8.12 (br. s., 1 H), 7.93 (br. s., 1 H), 7.35 (d, J = 8.40 Hz, 2 H), 7.20 - 7.31 (m, 2 H), 7.15 (d, J = 8.40 Hz, 2 H), 6.89 (s, 1 H), 6.58 (br. s., 2 H), 6.29 (br. s., 2 H), 3.73-3.81 (m, 4 H), 3.18-3.26 (m, 4 H), 2.09-2.14(m, 1 H), 0.34 - 0.56 (m, 4 H); LCMS: 506.3 (M+1 ).
Example 75
6-[6-amino-5-(4-morpholinylsulfonyl)-3-pyridinyl]-1-[4-(4-morphoHnyl)ph
benzimidazol-2-amine
Figure imgf000164_0001
[00234] A mixture of 3-(4-morpholinylsulfonyl)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan- 2-yl)-2-pyridinamine (36.9 mg, 0.100 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (37.3 mg, 0.100 mmol), PdCI2(dppf)-CH2CI2 adduct (8.16 mg, 9.99 μηιοΙ) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 6-[6-amino-5-(4-morpholinylsulfonyl)-3-pyridinyl]-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine as a white solid (25.6mg, 97%). H NMR (400 MHz, DMSO-d6) δ ppm 8.48 (d, J = 2.35 Hz, 1 H), 7.80 (d, J = 2.35 Hz, 1 H), 7.11 - 7.37 (m, 6 H), 6.91 (s, 1 H), 6.70 (br. s., 2 H), 6.27 (br. s., 2 H), 3.70 - 3.92 (m, 4 H), 3.49 - 3.67 (m, 4 H), 3.14 - 3.26 (m, 4 H), 2.87 - 3.12 (m, 4 H); LCMS: 536.5 (M+1 ).
Example 76
6-[6-amino-5-(1-piperidinylsulfonyl)-3-pyridinyl]-1-[4-(4-morpholinyl)phe
benzimidazol-2-amine
Figure imgf000165_0001
[00235] A mixture of 3-(1-piperidinylsulfonyl)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)-2-pyridinamine (36.7 mg, 0.100 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (37.3 mg, 0.100 mmol), PdCI2(dppf)-CH2CI2 adduct (8.16 mg, 9.99 μιτιοΙ) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 ml.) and H20 (0.5 ml_) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 6-[6-amino-5-(1 -piperidinylsulfonyl)-3-pyridinyl]-1 -[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine as a white solid (16.7 mg, 31.3%). 1H NMR (400 MHz, DMSO-cfe) δ ppm 8.44 (d, J = 2.34 Hz, 1 H), 7.78 (d, J = 2.34 Hz, 1 H), 7.12 - 7.37 (m, 6 H), 6.77 - 6.99 (m, 1 H), 6.66 (br. s., 2 H), 6.26 (s, 2 H), 3.69 - 3.85 (m, 4 H), 3.16 - 3.30 (m, 4 H), 3.02 (m, 4H), 1.46- 1.54 (m, 4 H), 1.34-1.43 (m, 2 H); LCMS: 534.3 (M+1).
Example 77
6-{6-amino-5-[(1,1-dioxido-4-thiomorphoUnyl)sulfonyl]-3^yridinyl}-1-[4-(4- morpholinyl)phenyl]-1H-benzimidazol-2-amine
Figure imgf000166_0001
[00236] A mixture of 3-[(1 ,1-dioxido-4-thiomorpholinyl)sulfonyl]-5-(4,4,5,5-tetramethyl- 1 ,3,2-dioxaborolan-2-yl)-2-pyridinamine (41.7 mg, 0.100 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (37.3 mg, 0.100 mmol), PdCI2(dppf)-CH2Cl2 adduct (8.16 mg, 9.99 pmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 6-{6-amino-5-[(1 ,1-dioxido-4-thiomorpholinyl)sulfonyl]-3- pyridinyl}-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine as a white solid (17.0mg, 28.6%). ΊΗ NMR (400 MHz, DMSO-d6) δ ppm 8.50 (d, J = 2.35 Hz, 1 H), 7.91 (d, J = 2.35 Hz, 1 H), 7.12 - 7.37 (m, 4 H), 6.96 - 7.04 (m, 1 H), 6.93 (s, 1 H), 6.87 (m, 1 H), 6.69 - 6.81 (m, 2 H), 6.20 - 6.40 (m, 2 H), 3.71 - 3.83 (m, 4 H), 3.59-3.65 (m, 2 H), 3.22 (q, J = 4.95 Hz, 6 H); LCMS: 584.5 (M+1 ).
Example 78
2-amino-5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-(4- cyanophenyl)-3-pyridinesulfonamide
Figure imgf000167_0001
[00237] A mixture of 2-amino-N-(4-cyanophenyl)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (40.0 mg, 0.100 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (37.3 mg, 0.100 mmol), PdCl2(dppf)-CH2Cl2 adduct (8.16 mg, 9.99 pmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 ml), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-6-yl}-N-(4-cyanophenyl)-3-pyridinesulfonamide as a white solid (13.7mg, 23.7%). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.37 (d, J = 1.95 Hz, 1 H), 7.98 (d, J = 2.34 Hz, 1 H), 7.60 (d, J = 8.01 Hz, 2 H), 7.36 (d, J = 8.79 Hz, 2 H), 7.04 - 7.28 (m, 7 H), 6.78 - 6.85 (m, 1 H), 6.71 (br. s., 2 H), 6.45 (br. s., 2 H), 3.71 - 3.80 (m, 4 H), 3.10 - 3.31 (m, 4 H); LCMS: 567.3 (M+1 ).
Example 79
2-amino-5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-(tetrah
pyran-4- l)-3-pyridinesulfonamide
Figure imgf000167_0002
[00238] A mixture of 2-amino-N-(tetrahydro-2H-pyran-4-yl)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (38.3 mg, 0.100 mmol), 6-bromo-1 -[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (37.3 mg, 0.100 mmol), PdCI2(dppf)-CH2CI2 adduct (8.16 mg, 9.99 pmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-5-{2-amino-1 -[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-6-yl}-N-(tetrahydro-2H-pyran-4-yl)-3-pyridinesulfonamide as a white solid (9.6mg, 16.9%). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.40 (d, J = 2.54 Hz, 0.5 H), 8.35 (d, J = 2.34 Hz, 1 H), 8.15 (d, J = 2.34 Hz, 0.5 H), 8.09 (d, J = 2.34 Hz, 1 H), 7.35 - 7.45 (m, 4 H), 7.21 (d, J = 8.98 Hz, 2 H), 6.98 (s, 1 H), 4.05-4.12 (m, 4 H), 3.82 - 3.89 (m, 4 H), 3.76 - 3.81 (m, 4 H), 3.23 - 3.28 (m, 4 H), 1 .61 -1 .73 (m, 2 H), 1.40-1.54 (m, 2 H); LCMS: 550.5 (M+1 ).
Example 80
2-amino-5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-(2,4- difluor henyl)-3-pyridinesulfonamide
Figure imgf000168_0001
[00239] A mixture of 2-amino-N-(2,4-difluorophenyl)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (41.1 mg, 0.100 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (37.3 mg, 0.100 mmol), PdCI2(dppf)-CH2CI2 adduct (8.16 mg, 9.99 pmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S0 , filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-5-{2-amino-1 -[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-6-yl}-N-(2,4-difluorophenyl)-3-pyridinesulfonamide as a white solid (5.0 mg, 8.23 %). H NMR (400 MHz, DMSO-d6) δ ppm 8.12 (d, J = 2.34 Hz, 1 H), 8.04 (d, J = 2.34 Hz, 1 H), 7.15 - 7.39 (m, 7 H), 6.81 - 7.01 (m, 1 H), 6.60 - 6.73 (m, 1 H), 6.51-6.59 (m, 1 H), 3.83-3.91 (m, 4 H), 3.26-3.29 (m, 4 H); LCMS: 578.2 (M+1 ).
Example 81
2-amino-5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yQ^
ridinesulfonamide
Figure imgf000169_0001
[00240] A mixture of 2-amino-N-3-pyridinyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)-3-pyridinesulfonamide (37.6 mg, 0.100 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (37.3 mg, 0.100 mmol), PdCI2(dppf)-CH2Cl2 adduct (8.16 mg, 9.99 μηιοΙ) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S0 , filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-5-{2-amino-1 -[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-N-3- pyridinyl-3-pyridinesulfonamide as a white solid (9.5mg, 17.5%). H NMR (400 MHz, DMSO-d6) δ ppm 8.36 (d, J = 2.15 Hz, 1 H), 8.24 (d, J = 2.34 Hz, 1 H), 8.18 (d, J = 2.24 Hz, 1 H), 7.85 (d, J = 2.15 Hz, 1 H) 7.44-7.50 (m, 1 H), 7.33 (d, J = 8.78 Hz, 2 H), 7.24 (d, J = 8.00 Hz, 1 H), 7.00 - 7.20 (m, 4 H), 6.78 (s, 1 H) 6.68 (br. s., 2 H), 6.27 (br. s., 2 H), 3.69 - 3.83 (m, 4 H), 3.21 - 3.28 (m, 4 H); LCMS: 543.3 (M+1 ).
Example 82
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-cyclopropyl-3- pyridinesulfonamide
Figure imgf000170_0001
[00241] A mixture of N-cyclopropyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinesulfonamide (32.4 mg, 0.100 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (37.3 mg, 0.100 mmol), PdCI2(dppf)-CH2CI2 adduct (8.16 mg, 9.99 μιηοΙ) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1 -[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-N-cyclopropyl-3- pyridinesulfonamide as a white solid (14.2mg, 27.5%). 1H NMR (400 MHz, DMSO-d6) δ ppm 9.07 (br. s., 1 H), 8.81 (br. s., 1 H), 8.20 (br. s., 1 H), 8.12 (br. s., 1 H), 7.26 - 7.53 (m, 4 H), 7.15 (d, J = 8.00 Hz, 2 H), 7.08 (br. s., 1 H), 6.40 (br. s., 2 H), 3.77 (br. s., 4 H), 3.22 (br. s., 4 H), 2.17 (br. s., 1 H), 0.38-0.49 (m, 4 H); LCMS: 491.4 (M+1 ).
Example 83
5-{2-amino-1-[4-(4-morpholinyl)phenyl]~1H-benzimidazol-6-yl}-N,N-dimeth^
ridinesulfonamide
Figure imgf000170_0002
[00242] A mixture of N,N-dimethyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinesulfonamide (31.2 mg, 0.100 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (37.3 mg, 0.100 mmol), PdCI2(dppf)-CH2CI2 adduct (8.16 mg, 9.99 μιτιοΙ) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S0 l filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-N,N-dimethyl-3- pyridinesulfonamide as a white solid (9.9mg, 19.46%). 1 H NMR (400 MHz, DMSO-d6) δ ppm 9.09 (s, 1 H), 8.78 (s, 1 H), 8.12 (br. s., 1 H), 7.26 - 7.53 (m, 4 H), 6.97 - 7.23 (m, 3 H), 6.39 (br. s., 2 H), 3.33 (br. s., 4 H), 3.22 (br. s., 4 H), 2.67 (s, 6 H); LCMS: 479.3 (M+1 ).
Example 84
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-(2,4-difluorop
ridinesulfonamide
Figure imgf000171_0001
[00243] A mixture of N-(2,4-difluorophenyl)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)-3-pyridinesulfonamide (39.6 mg, 0.100 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (37.3 mg, 0.100 mmol), PdCI2(dppf)-CH2CI2 adduct (8.16 mg, 9.99 pmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-N-(2,4- difluorophenyl)-3-pyridinesulfonamide as a white solid (9.9 mg, 17.26%). 1H NMR (400 MHz, DMSO- 6) δ ppm 9.05 (d, J = 1.95 Hz, 1 H), 8.61 (d, J = 2.15 Hz, 1 H), 8.09 - 8.13 (m, 1 H), 7.20 - 7.44 (m, 6 H), 7.16 (d, J = 8.98 Hz, 2 H), 6.99 - 7.07 (m, 2 H), 6.42 (br. s., 2 H) 3.73 - 3.83 (m, 4 H), 3.20 - 3.28 (m, 4 H); LCMS: 563.3 (M+1 ). Example 85
5-{2-amino-1-[4-(4-morphoUnyl)phenyl]-1H-benzimidazol-6-yl}-N-ethyl-3- ridinesulfonamide
Figure imgf000172_0001
[00244] A mixture of N-ethyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinesulfonamide (31.2 mg, 0.100 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (37.3 mg, 0.100 mmol), PdCI2(dppf)-CH2Cl2 adduct (8.16 mg, 9.99 μmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-aminp-1 -[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-N-ethyl-3- pyridinesulfonamide as a white solid (10.0 mg, 20.5%). H NMR (400 MHz, DMSO-d6) δ ppm 9.04 (d, J = 1.95 Hz, 1 H), 8.79 (d, J = 1.95 Hz, 1 H), 8.20 (t, J = 2.15 Hz, 1 H), 7.80 (t, J = 5.56 Hz, 1 H), 7.31 - 7.45 (m, 4 H), 7.16 (d, J = 8.98 Hz, 2 H), 7.08 (d, J = 1.37 Hz, 1 H), 6.38 (s, 2 H), 3.72 - 3.82 (m, 4 H), 3.15 - 3.29 (m, 4 H), 2.78 - 2.87 (m, 2 H), 0.97 (t, J = 7.22 Hz, 3 H); LCMS: 479.4 (M+1 ).
Example 86
5-{2-amino-1-[4-(4-morpholinyl)phenyl]- 1 H-benzimidazol-6-yl}-N-ethyl-3- pyridinesulfonamide
Figure imgf000173_0001
[00245] A mixture of N,N-diethyl-5-(4,4,5,5- ■itetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinesulfonamide (34.0 mg, 0.100 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (37.3 mg, 0.100 mmol), PdCI2(dppf)-CH2CI2 adduct (8.16 mg, 9.99 μηηοΙ) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-N,N-diethyl-3- pyridinesulfonamide as a white solid (22.0mg, 41.7%). 1H NMR (400 MHz, DMSO-cfe) δ ppm 9.03 (br. s., 1 H), 8.82 (br. s., 1 H), 8.17 (br. s., 1 H), 7.36 (br. s., 4 H), 7.15 (br. s., 2 H), 7.09 (br. s., 1 H), 6.40 (br. s., 2 H), 4.02 (br. s., 5 H), 3.77 (br. s., 4 H), 3.34 (br. s., 4 H), 1.98 (br. s., 2 H) 1.90 (br. s., 2 H) 1.17 (br. s., 3 H) 1.05 (br. s., 3 H); LCMS: 507.4 (M+1).
Example 87
2-amino-5-{2-amino-1-[4-(4-morphoHnyl)phenyl]-1H-benzimidazol-6-yl}-N-methy
henyl-3-pyridinesulfonamide
Figure imgf000173_0002
[00246] A mixture of 2-amino-N-methyl-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (78 mg, 0.201 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (75.0 mg, 0.201 mmol), PdCI2(dppf)-CH2Cl2 adduct (16.41 mg, 0.020 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-6-yl}-N-methyl-N-phenyl-3-pyridinesulfonamide as a white solid (24.5mg, 21.5%). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.43 (d, J = 2.34 Hz, 1 H), 7.28-7.34(m, 2 H), 7.24-7.27 (m, 2 H), 7.17 - 7.23 (m, 5 H), 7.10 - 7.15 (m, 1 H), 7.06 (dd, J = 8.19, 1.76 Hz, 1 H), 6.50 - 6.61 (m, 2 H), 6.20 (s, 2 H), 3.75 - 3.83 (m, 4 H) 3.23 - 3.30 (m, 4 H), 3.20 (s, 3 H); LCMS: 556.3 (M+1 ).
Example 88
2-amino-6-{6-amino-5-[(phenylamino)sulfonyl]-3-pyridinyl}-N,N-dim
benzimidazole-1 -sulfonamide
Figure imgf000174_0001
[00247] A mixture of 2-amino-6-iodo-N,N-dimethyl-1 H-benzimidazole-1-sulfonamide (39.0 mg, 0.107 mmol), 2-amino-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinesulfonamide (40 mg, 0.107 mmol), PdCI2(dppf)-CH2CI2 adduct (8.70 mg, 10.66 pmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-6-{6-amino-5-[(phenylamino)sulfonyl]-3-pyridinyl}-N,N-dimethyl-1 H- benzimidazole-1 -sulfonamide (9.5 mg, 0.018 mmol, 17.18 % yield) as a white solid. 1H NMR (400 MHz, DMSO-cfe) δ ppm 10.51 (s, 1 H), 8.41 (d, J = 2.35 Hz, 1 H), 7.93 (d, J = 2.35 Hz, 1 H), 7.40 - 7.61 (m, 1 H), 7.20 - 7.33 (m, 4 H) 7.11 (d, J = 7.62 Hz, 2 H), 7.03 (s, 1 H), 6.97 (s, 2 H), 2.90 (s, 6 H); LCMS: 488.3 (M+1 ).
Example 89
2-amino-5-[2-amino-1-(cyclopropylsulfonyl)-1H-benzimidazol-6-yl]-N-phenyl-3- ridinesulfonamide
Figure imgf000175_0001
[00248] A mixture of 1-(cyclopropylsulfonyl)-6-iodo-1 H-benzimidazol-2-amine (38.7 mg, 0.107 mmol), 2-amino-N-phenyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolanr2-yl)-3- pyridinesulfonamide (40 mg, 0.107 mmol), PdCl2(dppf)-CH2Cl2 adduct (8.70 mg, 10.66 mol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-5-[2-amino-1 -(cyclopropylsulfonyl)-l H-benzimidazol-6-yl]-N-phenyl-3- pyridinesulfonamide (5.8 mg, 0.012 mmol, 11.00 % yield) as a white solid. 1H NMR (400 MHz, DMSO-de) δ ppm 10.50 (s, 1 H), 8.44 (d, J = 2.54 Hz, 1 H), 7.98 (d, J = 2.35 Hz, 1 H), 7.56 (d, J = 1.37 Hz, 1 H), 7.21 - 7.40 (m, 3 H), 7.12 (d, J = 7.62 Hz, 2 H), 6.94 - 7.07 (m, 2H), 6.77 (br. s., 2 H), 3.23 - 3.32 (m, 1 H), 1.24 - 1.45 (m, 2H), 1.03 - 1.24 (m, 2 H); LCMS: 485.2 (M+1 ).
Example 90
2-amino-6-[5-[(dimethylamino)sulfonylJ-6-(methyloxy)-3-pyridinyl]-N,N-dim
benzimidazole-1 -sulfonamide
Figure imgf000176_0001
[00249] A mixture of 2-amino-6-iodo-N,N-dimethyl-1 H-benzimidazole-1 -sulfonamide (26.8 mg, 0.073 mmol), N,N-dimethyl-2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinesulfonamide (25 mg, 0.073 mmol), PdCI2(dppf)-CH2CI2 adduct (8 0 mg, 10.66 μηιοΙ) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-6-[5-[(dimethylamino)sulfonyl]-6-(methyloxy)-3-pyridinyl]-N,N-dimethyl-1 H- benzimidazole-1 -sulfonamide (2.8 mg, 6.04 pmol, 8.26 % yield) as a white solid. H NMR (400 MHz, CDCI3) δ ppm 8.51 (d, J = 2.34 Hz, 1 H), 8.38 (d, J = 2.34 Hz, 1 H), 7.78 (s, 1 H), 7.36 - 7.50 (m, 2 H), 7.27 (s, 2 H), 5.73 (br. s., 1 H), 4.11 (s, 3 H), 3.00 (s, 6 H), 2.93 (s, 6 H); LCMS: 455.2 (M+1 ).
Example 91
5-[2-amino-1-(cyclopropylsulfonyl)-1H-benzimidazol-6-yl]-N,N-dimethyl-2-(m
ridinesulfonamide
Figure imgf000176_0002
[00250] A mixture of 1-(cyclopropylsulfonyl)-6-iodo-1 H-benzimidazol-2-amine (26.5 mg, 0.073 mmol), N,N-dimethyl-2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinesulfonamide (25 mg, 0.073 mmol), PdCI2(dppf)-CH2CI2 adduct (8.70 mg, 10.66 pmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 ml_) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over a2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-[2-amino-1-(cyclopropylsulfonyl)-1 H-benzimidazol-6-yl]-N,N-dimethyl-2- (methyloxy)-3-pyridinesulfonamide (6.1 mg, 0.013 mmol, 17.75 % yield) as a white solid. H NMR (400 MHz, CDCI3) δ ppm 8.53 (d, J = 2.54 Hz, 1 H), 8.39 (d, J = 2.34 Hz, 1 H), 7.80 (s, 1 H), 7.35 - 7.60 (m, 2 H), 7.27 (s, 1 H), 5.85 (br. s., 2 H), 4.11 (s, 3 H), 2.93 (s, 18 H), 2.84 (m, 1 H), 1.51 (dd, J = 4.68, 1.76 Hz, 2 H); 1.15 (d, J = 6.44 Hz, 2 H); LCMS: 452.3 (M+1 ).
Example 92
2-amino-6-{6-amino-5-[(tetrahydro-2H-pyran-4-ylamino)sulfonyl]-3^yridin
dimeth l-1 H-benzimidazole- 1 -sulfonamide
Figure imgf000177_0001
[00251] A mixture of 2-amino-6-iodo-N,N-dimethyl-1 H-benzimidazole-1 -sulfonamide (66.9 mg, 0.183 mmol), 2-amino-N-(tetrahydro-2H-pyran-4-yl)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (70 mg, 0.183 mmol), PdCI2(dppf)-CH2Cl2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-6-{6-amino-5-[(tetrahydro-2H-pyran-4- ylamino)sulfonyl]-3-pyridinyl}-N,N-dimethyl-1 H-benzimidazole-1-sulfonamide (34.6 mg, 0.069 mmol, 37.8 % yield) as a white solid. 1H NMR (400 MHz, CDCI3) δ ppm 8.50 (d, J = 2.34 Hz, 1 H), 8.19 (d, J = 2.34 Hz, 1 H), 7.76 (d, J = 1.56 Hz, 1 H), 7.45 (d, J = 8.19 Hz, 1 H), 7.37 (dd, J = 8.19, 1.76 Hz, 1 H), 5.66 (br. s., 2 H), 5.62 (s, 2 H), 3.89 (m, 2 H), 3.29 - 3.43 (m, 2 H), 3.00 (s, 6 H), 1.73 - 1.83 (m, 2 H), 1.45 - 1.53 (m, 2 H); LCMS: 496.0 (M+1 ). Example 93
2-amino-5-[2-amino-1-(cyclopropylsulfonyl)-1H-benzimidazol-6-yl]-N-cyclopropyl-3- ridinesulfonamide
Figure imgf000178_0001
[00252] A mixture of 1-(cyclopropylsulfonyl)-6-iodo-1 H-benzimidazol-2-amine (37.5 mg, 0.103 mmol), 2-amino-N-cyclopropyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinesulfonamide (35 mg, 0.103 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-5-[2-amino-1 -(cyclopropylsulfonyl)- H-benzimidazol-6-yl]-N-cyclopropyl-3- pyridinesulfonamide (1 1.0 mg, 0.024 mmol, 22.82 % yield) as a white solid. 1H NMR (400 MHz, CDCI3) δ ppm 8.51 (d, J = 2.34 Hz, 1 H), 8.22 (d, J = 2.34 Hz, 1 H), 7.77 (d, J = 1.37 Hz, 1 H), 7.37 - 7.48 (m, 2 H), 5.71 (br. s., 2 H), 5.63 (br. s., 2 H), 2.79 - 2.87 (m, 1 H), 2.26-2.34 (m, 1 H), 1.47 - 1 .53 (m, 2 H), 1.15 (m, 2 H), 0.61 - 0.70 (m, 4 H); LCMS: 449.3 (M+1 ).
Example 94
2-amino-6-{6-amino-5-[(cyclopropylamino)sulfonyl]-3-pyridinyl}-N,N-dimethyl-1H- benzimidazole- 1 -sulfonamide
Figure imgf000179_0001
[00253] A mixture of 2-amino-6-iodo-N,N-dimethyl-1 H-benzimidazole-1 -sulfonamide (32.4 mg, 0.088 mmol), 2-amino-N-cyclopropyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinesulfonamide (30 mg, 0.088 mmol), PdCI2(dppf)-CH2Cl2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (1.5 mL) and H20 (0.5 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-6-{6-amino-5-[(cyclopropylamino)sulfonyl]-3-pyridinyl}-N,N-dimethyl-1 H- benzimidazole-1 -sulfonamide (6.2 mg, 0.013 mmol, 15.22 % yield) as a white solid. 1H NMR (400 MHz, CDCI3) δ ppm 8.49 (d, J = 2.34 Hz, 1 H), 8.21 (d, J = 2.34 Hz, 1 H), 7.75 (d, J = 1.56 Hz, 1 H), 7.34 - 7.45 (m, 2 H), 5.88 (br. s., 2 H), 5.75 (s, 2 H), 2.99 (s, 6 H), 2.27 - 2.36 (m, 1 H), 0.61 - 0.70 (m, 4 H); LCMS: 452.4 (M+1 ).
Example 95
2-amino-5-[2-amino-1-(cyclopropylsulfonyl)-1H-benzimidazol-6-yl]-N-(tetrahydro-2H- pyran-4- l)-3-pyridinesulfonamide
Figure imgf000179_0002
[00254] A mixture of 1 -(cyclopropylsulfonyl)-6-iodo-1 H-benzimidazol-2-amine (37.9 mg, 0.104 mmol), 2-amino-N-(tetrahydro-2H-pyran-4-yl)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)-3-pyridinesulfonamide (40 mg, 0.104 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-5-[2-amino-1-(cyclopropylsulfonyl)-1 H-benzimidazol-6-yl]-N- (tetrahydro-2H-pyran-4-yl)-3-pyridinesulfonamide (14.7 mg, 0.030 mmol, 28.3 % yield) as a white solid. 1H NMR (400 MHz, CDCI3) δ ppm 8.52 (d, J = 2.34 Hz, 1 H), 8.21 (d, J = 2.34 Hz, 1 H), 7.78 (d, J = 1.37 Hz, 1 H), 7.37 - 7.49 (m, 2 H), 5.62 (s, 4 H), 3.89 (m, 2 H), 3.37 (m, 2 H), 2.84 (m, 1 H), 1.73 - 1.85 (m, 2 H) 1.45 - 1.53 (m, 4 H) 1.16 (m, 2 H); LCMS: 493.0 (M+1 ).
Example 96
2-amino-5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-y -N-(phen
3- ridinesulfonamide
Figure imgf000180_0001
[00255] A mixture of 2-amino-N-(phenylmethyl)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (52.1 mg, 0.134 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (50 mg, 0.134 mmol), PdCI2(dppf)-CH2Cl2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-6-yl}-N-(phenylmethyl)-3-pyridinesulfonamide (35.7 mg, 0.063 mmol, 47.0 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.37 (t, J = 6.15 Hz, 1 H), 8.33 (d, J = 2.34 Hz, 1 H), 7.81 (d, J = 2.34 Hz, 1 H), 7.35 (d, J = 8.98 Hz, 2 H), 7.12 - 7.26 (m, 8 H), 6.81 (d, J = 1.37 Hz, 1 H), 6.56 (br. s., 2 H), 6.23 (s, 2 H), 4.02 (d, J = 6.25 Hz, 2 H), 3.73 - 3.80 (m, 4 H), 3.19 - 3.25 (m, 4 H); LCMS: 556.3 (M+1 ).
Example 97
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-methy!-3- ridinesulfonamide
Figure imgf000181_0001
[00256] A mixture of N-methyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinesulfonamide (55.9 mg, 0.188 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (70 mg, 0.188 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S0 , filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-N-methyl-3- pyridinesulfonamide (36.4 mg, 0.077 mmol, 40.9 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 9.30 (d, J = 2.15 Hz, 0.5 H), 9.05 (d, J = 2.15 Hz, 0.5 H), 9.02 (d, J = 2.15 Hz, 0.5 H), 8.78 (d, J = 1.95 Hz, 0.5 H), 8.52 (t, J = 2.15 Hz, 0.5 H), 8.18 (t, J = 2.15 Hz, 0.5 H), 7.79 (q, J = 4.88 Hz, 0.5 H), 7.71 (q, J = 4.88 Hz, 0.5 H), 7.32 - 7.45(m, 3 H), 7.16 (d, J = 8.98 Hz, 2 H), 7.08 (d, J = 1.56 Hz, 1 H), 6.40 (s, 2 H), 3.72 - 3.80 (m, 4 H), 3.18 - 3.26 (m, 4 H), 2.45 (d, J = 4.88 Hz, 3 H); LCMS: 465.3 (M+1 ).
Example 98
2-amino-5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-methy
pyridinesulfonamide
Figure imgf000182_0001
[00257] A mixture of 2-amino-N-methyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinesulfonamide (58.7 mg, 0.188 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (70 mg, 0.188 mmol), PdCI2(dppf)-CH2Cl2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04l filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-N- methyl-3-pyridinesulfonamide (36.5 mg, 0.075 mmol, 39.8 % yield) as a white solid. 1H NMR (400 MHz, DMSO-cf6) δ ppm 8.42 (d, J = 2.34 Hz, 1 H), 7.89 (d, J = 2.15 Hz, 1 H), 7.67 (q, J = 4.68 Hz, 1 H), 7.35 (d, J = 8.78 Hz, 2 H), 7.21 - 7.30 (m, 2 H), 7.15 (d, J = 8.98 Hz, 2 H), 6.89 (s, 1 H), 6.58 (br. s., 2 H), 6.33 (br. s., 2 H), 3.70 - 3.84 (m, 4 H), 3.20 - 3.27 (m, 4 H), 2.41 (d, J = 5.07 Hz, 3 H); LCMS: 480.4 (M+1 ).
Example 99
-amino-1-[4-(4-morphoUnyl)phenyl]-1H-benzimidazo 6-yl}-2-(ethyloxy)-N,N-di
3- ridinesulfonamide
Figure imgf000182_0002
[00258] A mixture of 2-(ethyloxy)-N,N-dimethyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan- 2-yl)-3-pyridinesulfonamide (35.3 mg, 0.099 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (37 mg, 0.099 mmol), potassium acetate (97 mg, 0.991 mmol) and PdCI2(dppf)-CH2Cl2 adduct (8.10 mg, 9.91 mol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S0 , filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-2-(ethyloxy)- N,N-dimethyl-3-pyridinesulfonamide (12.3 mg, 0.024 mmol, 23.74 % yield) as a white solid. H NMR (400 MHz, DMSO-d6) δ ppm 8.59 (d, J = 2.54 Hz, 1 H), 8.13 (d, J = 2.54 Hz, 1 H), 7.35 (d, J = 8.98 Hz, 2 H), 7.29 (s, 2 H), 7.15 (d, J = 8.98 Hz, 2 H), 6.97 (s, 1 H), 6.30 (s, 2 H), 4.46 (d, J = 7.22 Hz, 2 H), 3.74 - 3.81 (m, 4 H), 3.20 - 3.26 (m, 4 H), 2.79 (s, 6 H), 1.36 (t, J = 7.02 Hz, 3 H); LCMS: 523.3 (M+1 ).
Example 100
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazo -6-yl}-N-(cyclopropylm
(meth loxy)-3-pyridinesulfonamide
Figure imgf000183_0001
[00259] A mixture of N-(cyclopropylmethyl)-2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (35 mg, 0.095 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (35.5 mg, 0.095 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S0 , filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-6-yl}-N-(cyclopropylmethyl)-2-(methyloxy)-3-pyridinesulfonamide (19.4 mg, 0.036 mmol, 37.4 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.58 (d, J = 2.54 Hz, 1 H), 8.17 (s, 1 H), 8.11 (d, J = 2.54 Hz, 1 H), 7.71 (t, J = 5.95 Hz, 1 H), 7.35 (m, J = 8.98 Hz, 2 H), 7.29 (s, 2 H), 7.15 (m, J = 8.98 Hz, 2 H), 6.95 (s, 1 H), 6.30 (s, 2 H), 4.00 (s, 3 H), 3.73 - 3.81 (m, 4 H), 3.19 - 3.26 (m, 4 H), 2.76 (t, J = 6.44 Hz, 2 H), 0.72 (m, 1 H), 0.22 - 0.29 (m, 2 H), -0.01 - 0.07 (m, 2 H); LCMS: 535.3 (M+1 ).
Example 101
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(dim
dimeth l-3-pyridinesulfonamide
Figure imgf000184_0001
[00260] A mixture of 2-(dimethylamino)-N,N-dimethyl-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (35.2 mg, 0.099 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (37.0 mg, 0.099 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 ml_) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-6-yl}-2-(dimethylamino)-N,N-dimethyl-3-pyridinesulfonamide (15.8 mg, 0.029 mmol, 29.7 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.66 (br. s., 1 H), 8.04 (br. s., 1 H), 7.35 (m, J = 8.00 Hz, 2 H), 7.30 (br. s., 2 H), 7.15 (m, J = 8.00 Hz, 2 H), 6.97 (s, 1 H), 6.31 (br. s., 2 H), 3.77 (m, 4 H), 3.22 (m, 4 H), 2.89 (s, 6 H), 2.72 (s, 6 H); LCMS: 522.5 (M+1 ).
Example 102
5-{2-amino-1-[ 4-(4-morpholinyl)phenyl]- 1 H-benzimidazol-6-yl}-N, N-dimethyl-2- (methylamino)-3-pyridinesulfonamide
Figure imgf000185_0001
[00261] A mixture of N.N-dimethyl^-imethylaminoJ-S^^.S.S-tetramethyl-I .S^- dioxaborolan-2-yl)-3-pyridinesulfonamide (33.8 mg, 0.099 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (37 mg, 0.099 mmol), PdCI2(dpp -CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol- 6-yl}-N,N-dimethyl-2-(methylamino)-3-pyridinesulfonamide (21.8 mg, 0.041 mmol, 41.2 % yield) as a white solid. H NM (400 MHz, DMSO-cfe) δ ppm 8.54 (d, J = 2.15 Hz, 1 H), 7.80 (d, J = 2.34 Hz, 1 H), 7.35 (m, J = 8.78 Hz, 2 H), 7.19 - 7.29 (m, 2 H), 7.15 (m, J = 8.98 Hz, 2 H), 6.90 (s, 1 H), 6.78 (s, 1 H), 6.25 (s, 2 H), 3.74 - 3.81 (m, 4 H), 3.20 - 3.24 (m, 4 H), 2.92 (d, J = 4.68 Hz, 3 H), 2.68 (s, 6 H); LCMS: 508.4 (M+1 ).
Example 103
5-{2-amino- 1 -[ 4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-( 1, 1-dimethylethyl)-2-
(meth loxy)-3-pyridinesulfonamide
Figure imgf000185_0002
[00262] A mixture of N-(1 ,1-dimethylethyl)-2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (50 mg, 0.135 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (50.4 mg, 0.135 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-6-yl}-N-(1 ,1-dimethylethyl)-2-(methyloxy)-3-pyridinesulfonamide (18.5 mg, 0.034 mmol, 25.3 % yield) as a white solid. H NMR (400 MHz, DMSO-d6) δ ppm 8.58 (d, J = 2.15 Hz, 1 H), 8.13 (d, J = 2.54 Hz, 1 H), 7.45 (s, 1 H), 7.35 (d, J = 8.78 Hz, 2 H), 7.29 (s, 2 H), 7.15 (d, J = 8.98 Hz, 2 H), 6.96 (s, 1 H), 6.31 (s, 2 H), 4.01 (s, 3 H), 3.74 - 3.84 (m, 4 H), 3.16 - 3.26 (m, 4 H), 1 .08 (s, 9 H); LCMS: 537.7 (M+1 ).
Example 104
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-(4-fluoro^
(me ide
Figure imgf000186_0001
[00263] A mixture of N-(4-fluorophenyl)-2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (49.8 mg, 0.122 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (45.5 mg, 0.122 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-6-yl}-N-(4-fluorophenyl)-2-(methyloxy)-3-pyridinesulfonamide (36.5 mg, 0.062 mmol, 51.0 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.55 (d, J = 2.34 Hz, 1 H), 8.09 (d, J = 2.34 Hz, 1 H), 7.34 (d, J = 8.78 Hz, 2 H), 7.21 - 7.29 (m, 2 H), 7.08 - 7.19 (m, 4 H), 6.99 - 7.07 (m, 2 H), 6.90 (s, 1 H), 6.31 (s, 2 H), 3.96 (s, 3 H), 3.74 - 3.81 (m, 4 H), 3.19 - 3.25 (m, 4 H); LCMS: 575.7 (M+1 ).
Example 105
6-[6-(methyloxy)-5-(1^yrrolidinylsulfonyl)-3-pyridinyl]-1-[4-(4-m
benzimidazol-2-amine
Figure imgf000187_0001
[00264] A mixture of 2-(methyloxy)-3-(1-pyrrolidinylsulfonyl)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine (50 mg, 0.136 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (50.7 mg, 0.136 mmol), PdCl2(dppf)-CH2Cl2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 6-[6-(methyloxy)-5-(1-pyrrolidinylsulfonyl)-3-pyridinyl]-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (31.6 mg, 0,057 mmol, 42.2 % yield) as a white solid . H NMR (400 MHz, DMSO-d6) δ ppm 8.61 (d, J = 2.34 Hz, 1 H), 8.13 (d, J = 2.34 Hz, 1 H), 7.35 (m, J = 8.78 Hz, 2 H), 7.30 (s, 2 H), 7.15 (m, J = 8.98 Hz, 2 H), 6.96 (s, 1 H), 6.30 (s, 2 H), 5.76 (s, 1 H), 4.00 (s, 3 H), 3.73 - 3.80 (m, 4 H), 3.26 - 3.31 (m, 4 H), 3.20 - 3.26 (m, 4 H), 1.72 - 1.81 (m, 4 H); LCMS: 535.5 (M+1 ).
Example 106
6-{6-(methyloxy)-5-[(4-methyl-1-piperaziny sulfonyl]-3-pyridinyl}-1-[4-(4- morpholinyl)phenyl]-1H-benzimidazol-2-amine
Figure imgf000188_0001
[00265] A mixture of 1 -methyl-4-{[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]sulfonyl}piperazine (40 mg, 0.101 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (37.6 mg, 0.101 mmol), PdCI2(dpp -CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 6-{6-(methyloxy)-5-[(4-methyl-1- piperazinyl)sulfonyl]-3-pyridinyl}-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (16.9 mg, 0.029 mmol, 29.2 % yield) as a white solid . H NMR (400 MHz, DMSO-d6) δ ppm 8.62 (d, J = 2.34 Hz, 1 H), 8.15 (s, 2 H), 8.12 (d, J = 2.34 Hz, 1 H), 7.35 (d, J = 8.78 Hz, 2 H), 7.30 (s, 2 H), 7.12 - 7.19 (m, 3 H), 6.98 (s, 1 H), 6.32 (s, 2 H), 3.99 (s, 3 H), 3.75 - 3.80 (m, 4 H), 3.21 - 3.26 (m, 4 H), 3.13 - 3.19 (m, 4 H), 2.28 - 2.34 (m, 4 H), 2.15 (s, 3 H); LCMS: 564.4 (M+1 ).
Example 107
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-(2-hydroxyeth^
(meth loxy)-3-pyridinesulfonamide
Figure imgf000188_0002
[00266] A mixture of N-(2-hydroxyethyl)-2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (70 mg, 0.195 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (72.9 mg, 0.195 mmol), PdCl2(dppf)-CH2Cl2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-6-yl}-N-(2-hydroxyethyl)-2-(methyloxy)-3-pyridinesulfonamide (40.6 mg, 0.075 mmol, 38.4 % yield) as a white solid. 1 H NMR (400 MHz, DMSO-d6) δ ppm 8.58 (d, J = 2.34 Hz, 1 H), 8.15 (s, 1 H), 8.12 (d, J = 2.54 Hz, 1 H), 7.49 (t, J = 5.85 Hz, 1 H), 7.35 (m, J = 8.98 Hz, 2 H), 7.30 (s, 2 H), 7.15 (m, J = 8.98 Hz, 2 H), 6.96 (s, 1 H), 6.30 (s, 2 H), 4.65 (br. s., 1 H), 3.99 (s, 3 H), 3.72 - 3.80 (m, 4 H), 3.20 - 3.25 (m, 4 H), 2.89 (q, J = 6.24 Hz, 2 H); LCMS: 525.5 (M+1 ).
Example 108
-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-cyclopentyl-2- (me amide
Figure imgf000189_0001
[00267] A mixture of N-cyclopentyl-2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (50 mg, 0.131 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (48.8 mg, 0.131 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-6-yl}-N-cyclopentyl-2-(methyloxy)-3-pyridinesulfonamide (19.3 mg, 0.035 mmol, 26.6 % yield) as a white solid . H NMR (400 MHz, DMSO-d6) δ ppm 8.59 (d, J = 2.54 Hz, 1 H), 8.12 (d, J = 2.54 Hz, 1 H), 7.65 (d, J = 7.80 Hz, 1 H), 7.33 - 7.38 (m, 2 H), 7.25 - 7.33 (m, 2 H), 7.15 (d, J = 8.98 Hz, 2 H), 6.92 - 7.02 (m, 1 H), 6.30 (s, 2 H), 4.00 (s, 3 H), 3.73 - 3.84 (m, 4 H), 3.43 - 3.53 (m, 1 H), 3.19 - 3.27 (m, 4 H), 1.46 - 1.63 (m, 4 H), 1.26 - 1.43 (m, 4 H); LCMS: 549.3 (M+1 ).
Example 109
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(methyloxy)^
(meth amide
Figure imgf000190_0001
[00268] A mixture of 2-(methyloxy)-N-[3-(methyloxy)phenyl]-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (50 mg, 0.119 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (44.4 mg, 0.119 mmol), PdCI2(dppf)-CH2Cl2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-6-yl}-2-(methyloxy)-N-[3-(methyloxy)phenyl]-3-pyridinesulfonamide (26.5 mg, 0.045 mmol, 37.6 % yield) as a white solid. H NMR (400 MHz, DMSO-d6) δ ppm 8.55 (d, J = 2.34 Hz, 1 H), 8.12 - 8.18 (m, 2 H), 7.34 (m, J = 8.78 Hz, 2 H), 7.22 - 7.30 (m, 2 H), 7.15 (m, J = 8.78 Hz, 2 H), 7.06 (t, J = 8.10 Hz, 1 H), 6.90 (s, 1 H), 6.64 - 6.71 (m, 2 H), 6.54 (dd, J = 8.29, 1 .85 Hz, 1 H), 6.31 (s, 2 H), 3.97 (s, 3 H), 3.75 - 3.81 (m, 4 H), 3.59 (s, 3 H), 3.20 - 3.25 (m, 4 H); LCMS: 587.3 (M+1 ).
Example 110 5-{2-amino-1-[4-(4-morpholiny phenyl]-1H-benzimidazol-6-yl}-2-(methyloxy)^
meth lphenyl)-3-pyridinesulfonamide
Figure imgf000191_0001
[00269] A mixture of 2-(methyloxy)-N-(4-methylphenyl)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (48.7 mg, 0.121 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (45 mg, 0.121 mmol), PdCI2(dppf)-CH2Cl2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol- 6-yl}-2-(methyloxy)-N-(4-methylphenyl)-3-pyridinesulfonamide (23.0 mg, 0.038 mmol, 31.8 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 10.19 (br. s., 1 H), 8.44 - 8.73 (m, 1 H), 8.01 - 8.16 (m, 1 H), 7.42 - 7.67 (m, 2 H), 7.34 (m, J = 8.59 Hz, 2 H), 7.24 (br. s., 2 H), 7.15 (m, J = 8.79 Hz, 2 H), 6.95 (m, 3 H), 6.39 (br. s., 2 H) 3.97 (s, 3 H), 3.67-3.86 (m, 4 H), 3.19- 3.26 (m, 4 H), 2.12 (s, 3 H); LCMS: 571.3 (M+1 ).
Example 111
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(methyto^
meth lphenyl)-3-pyridinesulfonamide
Figure imgf000191_0002
[00270] A mixture of 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (45 mg, 0.121 mmol), 2-(methyloxy)-N-(2-methylphenyl)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan- 2-yl)-3-pyridinesulfonamide (48.7 mg, 0.121 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol- 6-yl}-2-(methyloxy)-N-(2-methylphenyl)-3-pyridinesulfonamide (24.3 mg, 0.040 mmol, 33.2 % yield) as a white solid . 1H NMR (400 MHz, DMSO-cf6) δ ppm 9.67 (s, 1 H), 8.58 (d, J = 2.34 Hz, 1 H), 7.92 (d, J = 2.54 Hz, 1 H), 7.29 - 7.35 (m, 2 H), 7.18 - 7.26 (m, 2 H), 7.09 - 7.17 (m, 3 H), 6.98 - 7.07 (m, 3 H), 6.81 - 6.84 (m, 1 H), 6.29 (s, 2 H), 3.96 (s, 3 H), 3.75 - 3.81 (m, 4 H), 3.21 - 3.26 (m, 4 H), 2.10 (s, 3 H); LCMS: 571.3 (M+1).
Example 112
5-{2-amino-1-[4-(4- orpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(methyloxy)-N-(3- meth ide
Figure imgf000192_0001
[00271] A mixture of 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (45 mg, 0.121 mmol), 2-(methyloxy)-N-(3-methylphenyl)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan- 2-yl)-3-pyridinesulfonamide (48.7 mg, 0.121 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol- 6-yl}-2-(methyloxy)-N-(3-methylphenyl)-3-pyridinesulfonamide (22.4 mg, 0.037 mmol, 30.9 % yield) as a white solid . 1H NMR (400 MHz, DMSO-d6) δ ppm 8.53 (d, J = 2.34 Hz, 1 H), 8.1 1 (d, J = 2.34 Hz, 1 H), 7.34 (m, J = 8.98 Hz, 2 H), 7.25 (d, J = 7.61 Hz, 2 H), 7.15 (m, J = 8.98 Hz, 2 H), 7.02 (d, J = 7.61 Hz, 1 H), 6.85 - 6.94 (m, 3 H), 6.78 (d, J = 7.41 Hz, 1 H), 6.30 (br. s., 2 H), 3.96 (s, 3 H), 3.74 - 3.83 (m, 4 H), 3.19 - 3.26 (m, 4 H), 2.13 (s, 3 H); LCMS: 571.4 (M+1 ).
Example 113
5-(2-amino-1-(4-morphoUnophenyl)-1H-benzo[d]imidazol-6-yl)-4-methoxy-N-(4- meth xyphenyl)pyridine-3-sulfonamide
Figure imgf000193_0001
[00272] A mixture of 6-bromo-1 -(4-morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (73 mg, 0.196 mmol), 4-methoxy-N-(4-methoxyphenyl)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (82 mg, 0.196 mmol), PdCI2(dppf)-CH2Cl2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-(2-amino-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-4-methoxy-N- (4-methoxyphenyl)pyridine-3-sulfonamide (40.9 mg, 0.069 mmol, 35.3 % yield) as a white solid. H NMR (400 MHz, DMSO-cfe) δ ppm 9.98 (s, 1 H), 8.54 (d, J = 2.34 Hz, 1 H), 8.03 (d, J = 2.34 Hz, 1 H), 7.33 (m, J = 8.98 Hz, 2 H), 7.19 - 7.27 (m, 2 H), 7.15 (m, J = 8.78 Hz, 2 H), 7.00 (m, J = 8.98 Hz, 2 H), 6.89 (s, 1 H), 6.75 (m, J = 8.98 Hz, 2 H), 6.30 (s, 2 H), 3.99 (s, 3 H), 3.73 - 3.83 (m, 4 H), 3.61 (s, 3 H), 3.18 - 3.27 (m, 4 H); LCMS: 587.3 (M+1 ).
Example 114
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-y -4-methoxy-N-(2- methoxyphenyl)pyridine-3-sulfonamide
Figure imgf000194_0001
[00273] A mixture of 6-bromo-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (73 mg, 0.196 mmol), 2-methoxy-N-(4-methoxyphenyl)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (82 mg, 0.196 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-(2-amino-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-2-methoxy-N- (2-methoxyphenyl)pyridine-3-sulfonamide (43.2 mg, 0.073 mmol, 37.3 % yield) as a white solid. H NMR (400 MHz, DMSO-d6) δ ppm 9.27 (br. s., 1 H), 8.53 (d, J = 2.34 Hz, 1 H), 7.91 (d, J = 2.34 Hz, 1 H), 7.32 (d, J = 8.98 Hz, 2 H), 7.22 - 7.27 (m, 2 H), 7.13 - 7.20 (m, 3 H), 7.01 - 7.09 (m, 1 H), 6.77 - 6.87 (m, 3 H), 6.29 (s, 2 H), 3.97 (s, 3 H), 3.75 - 3.84 (m, 4 H), 3.49 (s, 3 H), 3.19 - 3.28 (m, 4 H); LCMS: 587.3 (M+1 ).
Example 115
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)-N-(3-fluoro
m
Figure imgf000194_0002
[00274] A mixture of 6-bromo-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (73 mg, 0.196 mmol), N-(3-fluorophenyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (80 mg, 0.196 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-(2-amino-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-N-(3- fluorophenyl)-2-methoxypyridine-3-sulfonamide (41.6 mg, 0.071 mmol, 36.3 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 10.65 (s, 1 H), 8.56 (d, J = 2.34 Hz, 1 H), 8.18 (d, J = 2.54 Hz, 1 H), 7.34 (m, J = 8.98 Hz, 2 H), 7.25 - 7.29 (m, 2 H), 7.18 - 7.25 (m, 1 H), 7.15 (m, J = 8.98 Hz, 2 H), 6.87 - 6.97 (m, 3 H), 6.80 (t, J = 8.00 Hz, 1 H), 6.31 (s, 2 H), 3.95 (s, 3 H), 3.74 - 3.83 (m, 4 H), 3.20 - 3.26 (m, 4 H); LCMS: 575.2 (M+1 ).
Example 116
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[(^imidazol-6-yl)-N-(2-fluorophenyl)-2- me ide
Figure imgf000195_0001
[00275] A mixture of 6-bromo-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (73 mg, 0.196 mmol), N-(2-fluorophenyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (80 mg, 0.196 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-(2-amino-1 -(4-morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-N-(2- fluorophenyl)-2-methoxypyridine-3-sulfonamide (41.6 mg, 0.071 mmol, 36.3 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 10.16 (br. s., 1 H), 8.57 (br. s., 1 H), 7.98 (br. s., 1 H), 7.32 (d, J = 8.00 Hz, 2 H), 7.19 - 7.29 (m, 3 H), 7.15 (d, J = 8.00 Hz, 4 H), 6.85 (br. s., 1 H), 6.31 (br. s., 2 H), 3.92 (s., 3 H), 3.70-3.83 (m, 4 H), 3.15-3.27 (m, 4 H); LCMS: 575.2 (M+1 ).
Example 117
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)-N-(2-fluoro-3- methylphen -2-methoxypyridine-3-sulfonamide
Figure imgf000196_0001
[00276] A mixture of N-(2-fluoro-3-methylphenyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (42.2 mg, 0.100 mmol), 6-bromo-1-(4- morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (37.3 mg, 0.100 mmol), PdCI2(dppf)-CH2Cl2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-(2-amino-1-(4-morpholinophenyl)-1 H- benzo[d]imidazol-6-yl)-N-(2-fluoro-3-methylphenyl)-2-methoxypyridine-3-sulfonamide (35.2 mg, 0.059 mmol, 59.2 % yield) as a yellow solid. 1H NMR (400 MHz, DMSO-c 6) δ ppm 10.08 (br. s., 1 H), 8.58 (d; J = 1.95 Hz, 1 H), 7.99 (d, J = 2.34 Hz, 1 H), 7.33 (m, J = 8.59 Hz, 2 H), 7.24 (q, J = 8.06 Hz, 2 H), 7.15 (m, J = 8.78 Hz, 2 H), 6.98 - 7.10 (m, 2 H), 6.90 - 6.98 (m, 1 H), 6.86 (s, 1 H), 6.30 (br. s., 2 H), 3.86 - 3.99 (m, 3 H), 3.66 - 3.83 (m, 4 H), 3.15 - 3.28 (m, 4 H), 2.11 (s, 3 H); LCMS: 589.3 (M+1 ).
Example 118
5-(2-amino-1-isopropyl-1H-benzo[d]imidazol-6-y -N-(tert-buty -2-methoxypyridin
sulfonamide
Figure imgf000197_0001
[00277] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (37 mg, 0.100 mmol), 6-bromo-1-isopropyl-1 H-benzo[d]imidazol-2- amine (25.4 mg, 0.100 mmol), PdCI2(dppf)-CH2Cl2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-(2-amino-1-isopropyl-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine- 3-sulfonamide (24.2 mg, 0.057 mmol, 56.8 % yield) as a white solid. 1H NMR (400 MHz, DMSO- d6) δ ppm 8.68 (d, J = 2.34 Hz, 1 H), 8.26 (d, J = 2.54 Hz, 1 H), 8.16 (s, 1 H), 7.57 (s, 1 H), 7.46 (s, 1 H), 7.21 (s, 2 H), 6.49 (s, 2 H), 4.65 (m, 1 H), 4.04 (s, 3 H), 1.53 (d, J = 6.83 Hz, 6 H), 1.12 (s, 9 H); LCMS: 418.6 (M+1 ).
Example 119
5-(2-amino-1-(3-morpholinopropyl)-1H-benzo[d]imidazoi-6-yl)-N-(tert-butyl)-2- m ide
Figure imgf000197_0002
[00278] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (37 mg, 0.100 mmol), 6-bromo-1-(3-morpholinopropyl)-1 H- benzo[d]imidazol-2-amine (33.9 mg, 0.100 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-(2-amino-1-(3-morpholinopropyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)- 2-methoxypyridine-3-sulfonamide (19.6 mg, 0.038 mmol, 38.2 % yield) as a white solid. H NMR (400 MHz, DMSO-d6) δ ppm 8.68 (d, J = 2.34 Hz, 1 H), 8.28 (d, J = 2.54 Hz, 1 H), 7.51 (s, 1 H), 7.46 (s, 1 H), 7.19 - 7.27 (m, 2 H), 6.71 (br. s., 2 H), 4.08 (t, J = 6.34 Hz, 2 H), 4.04 (s, 3 H), 3.49 - 3.59 (m, 4 H), 2.29-2.33 (m, 4 H), 2.21-2.27 (t, J = 6.24 Hz, 2 H), 1.83 - 1.90 (m, 2 H), 1.10 (s, 9 H); LCMS: 503.4 (M+1 ).
Example 120
5-(2-amino-1-methyl-1H-benzo[d]imidazol-6-yl)-N-(tert-buty -2-methoxypyridm^
sulfonamide
Figure imgf000198_0001
[00279] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (37 mg, 0.100 mmol), 6-bromo-1-methyl-1 H-benzo[d]imidazol-2 -amine (22.59 mg, 0.100 mmol), PdCI2(dppf)-CH2Cl2 adduct (8.16 mg, 9.99 umol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S0 , filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-(2-amino-1 -methyl- 1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3- sulfonamide (29.3 mg, 0.074 mmol, 73.8 % yield) as a white solid. 1H NMR (400 MHz, DMSO- d6) δ ppm 8.68 (d, J = 2.54 Hz, 1 H), 8.30 (d, J = 2.34 Hz, 1 H), 7.42 - 7.56 (m, 2 H), 7.17 - 7.33 (m, 2 H), 6.65 (br. s., 2 H), 4.04 (s, 3 H), 3.57 (s, 3 H), 1.10 (s, 9 H); LCMS: 390.3 (M+1 ). Example 121
5-(2-amino-1-(2-hydroxyethyl)-1H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2- e
Figure imgf000199_0001
[00280] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (37 mg, 0.100 mmol), 2-(2-amino-6-bromo-1 H-benzo[d]imidazol-1- yl)ethanol (25.6 mg, 0.100 mmol), PdCI2(dppf)-CH2CI2 adduct (8.16 mg, 9.99 umol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-(2-amino-1-(2-hydroxyethyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2- methoxypyridine-3-sulfonamide (16.8 mg, 0.039 mmol, 39.3 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.67 (d, J = 2.34 Hz, 1 H), 8.29 (d, J = 2.54 Hz, 1 H), 8.15 (s, 1 H), 7.49.- 7.53 (m, 1 H), 7.45 (s, 1 H), 7.17 - 7.27 (m, 2 H), 6.46 (s, 2 H), 4.97 (br. s., 1 H), 4.11 (s, 2 H), 4.04 (s, 3 H), 3.66 - 3.72 (m, 2 H),1.10 (s, 9 H); LCMS: 420.3 (M+1 ).
Example 122
5-(2-amino-1-((tetrahydro-2H^yran-4-yl)methyl)-1H-benzo[cf]imidazol^
2-methoxypyridine-3-sulfonamide
Figure imgf000200_0001
[00281] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (37 mg, 0.100 mmol), 6-bromo-1-((tetrahydro-2H-pyran-4-yl)methyl)- 1 H-benzo[d]imidazol-2-amine (41.9 mg, 0.135 mmol), PdCI2(dppf)-CH2Cl2 adduct (8.16 mg, 9.99 umol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-(2-amino-1-((tetrahydro-2H-pyran-4-yl)methyl)-1 H-benzo[d]imidazol-6-yl)- N-(tert-butyl)-2-methoxypyridine-3-sulfonamide (34.2 mg, 0.071 mmol, 52.9 % yield) as a white solid. H NMR (400 MHz, DMSO-d6) δ ppm 8.70 (d, J = 2.34 Hz, 1 H), 8.28 (d, J = 2.54 Hz, 1 H), 7.55 (s, 1 H), 7.46 (s, 1 H), 7.16 - 7.23 (m, 2 H), 6.56 (s, 2 H), 4.04 (s, 3 H), 3.91 - 3.98 (m, 2 H), 3.78 - 3.84 (m, 2 H), 3.14 - 3.25 (m, 2 H) 1.35 - 1.42 (m, 4 H) 1.11 (s, 9H); LCMS: 474.3 (M+1 ).
Example 123
5-(2-amino-1-(tetrahydro-2H-pyran-4-yl)-1H-benzo[d]imidazol-6-y -N-ft^
m
Figure imgf000200_0002
[00282] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (37 mg, 0.100 mmol),6-bromo-1-(tetrahydro-2H-pyran-4-yl)-1 H- benzo[d]imidazol-2-amine (40.0 mg, 0.135 mmol), PdCI2(dppf)-CH2Cl2 adduct (8.16 mg, 9.99 umol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-(2-amino-1-(tetrahydro-2H-pyran-4-yl)-1 H-benzo[d]imidazol-6-yl)-N-(tert- butyl)-2-methoxypyridine-3-sulfonamide (45.4 mg, 0.097 mmol, 71.7 % yield) as a white solid. H NMR (400 MHz, DMSO-d6) δ ppm 8.69 (d, J = 2.34 Hz, 1 H), 8.24 (d, J = 2.34 Hz, 1 H), 8.14 (s, 1 H), 7.54 (s, 1 H), 7.48 (s, 1 H), 7.22 (s, 2 H), 6.53 (s, 2 H), 4.04 (s, 3 H), 4.00 - 4.07 (m, 2 H), 3.49 (t, J = 1 1.32 Hz, 2 H), 2.37 - 2.47 (m, 2 H), 1.65 - 1.74 (m, 2 H), 1.12 (s, 9 H); LCMS: 460.3 (M+1 ).
Example 124
-amino-1^henethyl-1H-benzo[d]imidazol-6-yl)-N-(tert-buty -2imethoxypyri
sulfonamide
Figure imgf000201_0001
[00283] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (37 mg, 0.100 mmol), 6-bromo-1-phenethyl-1 H-benzo[d]imidazol-2- amine (42.7 mg, 0.135 mmol), PdCI2(dppf)-CH2CI2 adduct (8.16 mg, 9.99 umol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-(2-amino-1 -phenethyl-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-methoxypyridine-3- sulfonamide (45.3 mg, 0.094 mmol, 69.2 % yield) as a white solid. 1H NMR (400 MHz, DMSO- cfe) δ ppm 8.62 (d, J = 2.54 Hz, 1 H), 8.21 (d, J = 2.54 Hz, 1 H), 8.14 (s, 1 H), 7.45 (s, 1 H), 7.27- 7.31 (m, 3 H), 7.26 (d, J = 4.88 Hz, 2 H), 7.12-7.18 (m, 3 H), 6.63 (s, 2 H), 4.28 (t, J = 7.32 Hz, 2 H), 4.04 (s, 3 H), 2.94 (t, J = 7.32 Hz, 2 H); 1.12 (s, 9 H); LCMS: 480.3 (M+1 ).
Example 125
5-(2-amino-1-(3^henylpropyl)-1H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-
Figure imgf000202_0001
[00284] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (50 mg, 0.135 mmol), 6-bromo-1-(3-phenylpropyl)-1 H- benzo[d]imidazol-2-amine (44.6 mg, 0.135 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-(2-amino-1-(3-phenylpropyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2- methoxypyridine-3-sulfonamide (39.7 mg, 0.080 mmol, 59.0 % yield) as a white solid. 1 H NMR (400 MHz, DMSO-de) δ ppm 8.66 (d, J = 2.34 Hz, 1 H), 8.26 (d, J = 2.34 Hz, 1 H), 7.46 (s, 1 H), 7.40 (s, 1 H), 7.13 - 7.30 (m, 6 H), 6.64 (br. s., 2 H), 4.09 (t, J = 7.32 Hz, 2 H), 4.04 (s, 3 H), 2.61 - 2.70 (m, 2 H), 1.92 - 2.03 (m, 2 H), 1.11 (s, 9 H); LCMS: 494.3 (M+1 ).
Example 126
2-amino-6-(5-(N-(tert-buty sulfamoyl)-6-methoxypyridin-3-yl)-N,N-dimethyl-1H- benzol d]imidazole-1 -sulfonamide
Figure imgf000203_0001
[00285] A mixture of N-(tert-butyl)-2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (37 mg, 0.100 mmol), 2-amino-6-bromo-N,N-dimethyl-1 H- benzo[d]imidazole-1 -sulfonamide (43.1 mg, 0.135 mmol), (dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-6-(5-(N-(tert-butyl)sulfamoyl)-6-methoxypyridin- 3-yl)-N,N-dimethyl-1 H-benzo[d]imidazole-1-sulfonamide (20.5 mg, 0.042 mmol, 31.5 % yield) as a white solid. 1 H NMR (400 MHz, DMSO-d6) δ ppm 8.64 (br. s., 1 H), 8.22 (br. s., 1 H), 7.70 (br. s., 1 H), 7.53 (br. s., 2 H), 7.33 (br. s., 1 H), 7.04 (br. s., 2 H), 4.04 (s, 3 H), 2.92 (br. s., 6 H), 1.12 (s., 9 H); LCMS: 483.3 (M+1 ).
General Scheme 3
Figure imgf000204_0001
X: OH, NH2, NHR'
Figure imgf000204_0002
Example 127
-(2-amino-1-(4-morphoHnopheny -1 -benzo[d]imidazol-6-yl)-N-(tert-butyl)-2- (methylamino)pyridine-3-sulfonamide
Figure imgf000205_0001
Step A
5-bromo-N-(tert-butyl)-2 pyridine-3-sulfonamide
Figure imgf000205_0002
[00286] A solution of 5-bromo-2-chloro-3-pyridinesulfonyl chloride (0.5 g, 1.719 mmol), pyridine (0.570 mL, 7.05 mmol) and 2-methylpropan-2-amine (0.402 mL, 7.05 mmol) in dichloromethane (DCM) (5 mL) was stirred at room temperature for 30 minutes then it was evaporated, the residue dissolved in EtOAc, washed with water and brine, dried over magnesium sulfate and was evaporated to give brown semisolid intermediate. It was dissolved in Tetrahydrofuran (THF) (5.00 mL), 2M Methylamine in THF (2.58 mL, 5.16 mmol) was added and the solution was heated at 50 °C for 2 hrs. The reaction mixture was then evaporated, the residue dissolved in EtOAc and water, the organic phase was separated and washed with brine, dried over magnesium sulfate and was evaporated to give 5-bromo-N-(tert-butyl)-2- (methylamino)pyridine-3-sulfonamide (330 mg, 1.024 mmol, 59.6 % yield) as a brown solid. LCMS (m/z) ES+ 323, 325 (M+H); 1 H NMR (400MHz ,DMSO-d6) δ = 8.35 (d, J = 2.3 Hz, 1 H), 7.93 (d, J = 2.3 Hz, 1 H), 7.77 (s, 1 H), 6.52 (q, J = 4.3 Hz, 1 H), 2.93 (d, J = 4.6 Hz, 3 H), 1.09 *(s, 9 H)
Step B
N-(tert-butyl)-2-(methylamino)-5-(4, 4, 5, 5-tetramethyl-1 , 3, 2-dioxaborolan-2-yl)pyridine-3-
Figure imgf000206_0001
[00287] The mixture of 5-bromo-N-(tert-butyl)-2-(methylamino)pyridine-3-sulfonamide (330 mg, 1.024 mmol), bis(pinacolato)diboron (312 mg, 1.229 mmol), potassium acetate (302 mg, 3.07 mmol) and PdCI2(dppf)-CH2CI2 adduct (84 mg, 0.102 mmol) in 1 ,4-dioxane (6 mL) was heated under nitrogen atmosphere at 100 °C overnight. The mixture was filtered through Celite® and was evaporated to dryness to give the crude N-(tert-butyl)-2-(methylamino)-5- (4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide (646 mg, 1.749 mmol, 171 % yield) as a black solid, which was used without further purification. MS (ES+) m/z 288 (corresponding boronic acid).
Step C 5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)-N-(te^
(methylamino)pyridine-3-sulfonamide
Figure imgf000207_0001
[00288] The mixture of 6-bromo-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (50 mg, 0.134 mmol), N-(tert-butyl)-2-(methylamino)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan- 2-yl)pyridine-3-sulfonamide (99 mg, 0.268 mmol), PdCI2(dppf)-CH2Cl2 adduct (10.94 mg, 0.013 mmol) and Cs2C03 (43.6 mg, 0.134 mmol) in Tetrahydrofuran (THF) (1 mL) and Water (0.25 mL) was heated at 80 °C overnight then it was evaporated and purified on a RP-HPLC to give 5- (2-amino-1 -(4-morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2- (methylamino)pyridine-3-sulfonamide (20.2 mg, 0.038 mmol, 28.2 % yield) as a gray solid. MS (ES+) m/z 536; 1 H NMR (400MHz ,DMSO-d6) δ = 8.48 (br. s., 1 H), 8.14 (br. s., 2 H), 7.96 (br. s., 1 H), 7.68 (br. s., 1 H), 7.52 - 7.05 (m, 6 H), 6.89 (br. s., 1 H), 6.47 (br. s., 3 H), 3.77 (br. s., 5 H), 2.96 (br. s., 4 H), 1.07 (br. s., 9 H).
Example 128
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol·6-yl)-N-(tert^butyl)-2- (dimethylamino)pyridine-3-sulfonamide
Figure imgf000207_0002
Step A 5-bromo-N-(tert-butyl)-2-(dimethylamino)pyridine-3-sulfonamide
Figure imgf000208_0001
[00289] A solution of 5-bromo-2-chloro-3-pyridinesulfonyl chloride (0.5 g, 1.719 mmol), pyridine (0.142 mL, 1.753 mmol) and 2-methylpropan-2-amine (0.402 mL, 7.05 mmol) in dichloromethane (DCM) (5 mL) was stirred at room temperature for 20 minutes then the mixture was evaporated, the residue dissolved in EtOAc, washed with water and brine, dried over magnesium sulfate and was evaporated again to give a yellow crystalline intermediate. It was dissolved in tetrahydrofuran (THF) (5.00 mL), 2M dimethylamine in THF (2.58 mL, 5.16 mmol) was added and the solution was heated at 50 °C for 2 hrs. The reaction mixture was then evaporated, the residue dissolved in EtOAc and water, the organic phase was separated and washed with brine, dried over magnesium sulfate and was evaporated again to give 5-bromo-N- (tert-butyl)-2-(dimethylamino)pyridine-3-sulfonamide (452 mg, 1.344 mmol, 78 % yield) as a brown solid. MS (ES+) m/z 336, 338 (M+H); 1 H NMR (400MHz ,DMSO-d6) δ = 8.38 (d, J = 2.2 Hz, 1 H), 8.23 (d, J = 2.3 Hz, 1 H), 7.67 (s, 1 H), 3.02 (s, 6 H), 1.05 (s, 9 H).
Step B
N-(tert-butyl)-2-(dimethylamino)-5-(4, 4, 5, 5-tetramethyl- 1, 3, 2-dioxaborolan-2-yl)pyridine-3- sulfonamide
Figure imgf000208_0002
[00290] The mixture of 5-bromo-N-(tert-butyl)-2-(dimethylamino)pyridine-3-sulfonamide (450 mg, 1.338 mmol), bis(pinacolato)diboron (408 mg, 1.606 mmol), potassium acetate (394 mg, 4.01 mmol) and PdCI2(dppf)-CH2Cl2 adduct (109 mg, 0.134 mmol) in 1 ,4-dioxane (6 mL) was heated under nitrogen atmosphere at 100 °C overnight. The mixture was filtered through Celite® and was evaporated to dryness to give the crude N-(tert-butyl)-2-(dimethylamino)-5- (4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide (1.01g, 2.63 mmol, 197 % yield) as a black solid, which was used without further purification. MS (ES+) m/z 302 (M+H of the corresponding boronic acid).
Step C
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)-N-(tert^^
(dimethylamino)pyridine-3-sulfonamide
Figure imgf000209_0001
[00291] The mixture of 6-bromo-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (50 mg, 0.134 mmol), N-(tert-butyl)-2-(dimethylamino)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (103 mg, 0.268 mmol), PdCl2(dppf)-CH2CI2 adduct (10.94 mg, 0.013 mmol) and Cs2C03 (43.6 mg, 0.134 mmol) in Tetrahydrofuran (THF) (1 mL) and Water (0.25 mL) was heated at 80 °C overnight then it was evaporated and purified on a RP-HPLC to give 5-(2-amino-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2- (dimethylamino)pyridine-3-sulfonamide (19.2 mg, 0.035 mmol, 26.1 % yield) as a gray solid. MS (ES+) m/z 550; 1H NMR (400MHz , DMSO-d6) δ = 8.55 (br. s., 1 H), 8.43 - 8.03 (m, 3 H), 7.80 - 6.87 (m, 7 H), 6.44 (br. s., 1 H), 3.77 (br. s., 7 H), 2.99 (br. s., 7 H), 1.02 (br. s., 9 H).
Example 129
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)-N-(tert^
ethoxypyridine-3-sulfonamide, formate salt
Figure imgf000210_0001
Step A
5-bromo-N-(tert-butyl)-2-ethoxypyridine-3-sulfonamide
Figure imgf000210_0002
[00292] A solution of 5-bromo-2-chloro-3-pyridinesulfonyl chloride (0.5 g, 1.719 mmol), pyridine (0.142 mL, 1.753 mmol) and 2-methylpropan-2-amine (0.402 mL, 7.05 mmol) in dichloromethane (DCM) (5 mL) was stirred at room temperature for 20 minutes then the mixture was evaporated, the residue dissolved in EtOAc, washed with water and brine, dried over magnesium sulfate and was evaporated again to give a yellow crystalline intermediate. It was dissolved in Ethanol (5.00 mL) then 21 wt% sodium ethanolate in ethanol (1.925 mL, 5.16 mmol) was added and the mixture was heated at 50 °C 1 day. The reaction was only about 60% complete therefore 21 wt% sodium ethanolate in ethanol (1.925 mL, 5.16 mmol) was added one more time and the heating continued overnight when the mixture was evaporated, dissolved in EtOAc, washed with water and brine, dried over magnesium sulfate then evaporated again to give 5-bromo-N-(tert-butyl)-2-ethoxypyridine-3-sulfonamide (435 mg, 1.290 mmol, 75 % yield) as a yellow solid. MS (ES+) m/z 337, 339 (M+H); 1H NMR (400MHz ,DMSO-d6) δ = 8.52 (d, J = 2.5 Hz, 1 H), 8.18 (d, J = 2.4 Hz, 1 H), 7.50 (s, 1 H), 4.51 (q, J = 7.0 Hz, 2 H), 1.36 (t, J = 7.0 Hz, 3 H), 1.1 1 (s, 9 H).
Step B N-(tert-butyl)-2-ethoxy-5-(4, 4, 5, 5-tetramethyl-1 , 3, 2-dioxaborolan-2-yl)pyridine-3-sulfonamide
Figure imgf000211_0001
[00293] The mixture of 5-bromo-N-(tert-butyl)-2-ethoxypyridine-3-sulfonamide (435 mg, 1.290 mmol), bis(pinacolato)diboron (393 mg, 1.548 mmol), potassium acetate (380 mg, 3.87 mmol) and PdCI2(dppf)-CH2Cl2 adduct (105 mg, 0.129 mmol) in 1 ,4-dioxane (6 mL) was heated under nitrogen atmosphere at 100 °C overnight. The mixture was filtered through Celite® and was evaporated to dryness to give the crude N-(tert-butyl)-2-ethoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine-3-sulfonamide (742 mg, 1.931 mmol, 150 % yield) as a black solid, which was used without further purification. MS (ES+) m/z 385.
Step C
5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)^-(tert-butyl)-2^
sulfonamide, formate salt
Figure imgf000211_0002
[00294] The mixture of 6-bromo-1 -(4-morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (50 mg, 0.134 mmol), N-(tert-butyl)-2-ethoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine-3-sulfonamide (103 mg, 0.268 mmol), PdCI2(dppf)-CH2Cl2 adduct (10.94 mg, 0.013 mmol) and Cs2C03 (43.6 mg, 0.134 mmol) in Tetrahydrofuran (THF) (1 mL) and Water (0.25 mL) was heated at 80 °C overnight then it was evaporated and purified on a RP-HPLC to give 5- (2-amino-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-N-(tert-butyl)-2-ethoxypyridine-3- sulfonamide, formate salt (25 mg, 0.042 mmol, 31.3 % yield), as a gray solid. MS (ES+) m/z 551 ; 1 H NMR (400MHz ,DMSO-d6) δ = 8.53 (d, J = 2.0 Hz, 1 H), 8.26 - 8.06 (m, 2 H), 7.49 - 7.24 (m, 4 H), 7.21 - 7.07 (m, 2 H), 7.06 - 6.93 (m, 2 H), 6.18 (br. s., 2 H), 4.54 (q, J = 6.9 Hz, 2 H), 3.81 - 3.75 (m, 4 H), 3.30 - 3.20 (m, 4 H), 1.39 (t, J = 6.9 Hz, 3 H), 1.13 (s, 9 H).
General Scheme 4
Figure imgf000212_0001
Example 130
N-[5-[2-amino-1-(2-methylpropyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3-pyri^
difluorobenzenesulfonamide
Figure imgf000213_0001
Step A
(5-bromo-2-n ropyl)amine
Figure imgf000213_0002
[00295] A solution of 4-bromo-2-fluoro-1 -nitrobenzene (7 g, 31.8 mmol), isobutylamine (4.78 mL, 47.7 mmol), and DIPEA (11.11 mL, 63.6 mmol) in DMF (60 mL) was stirred at room temperature for 3 hours. The solution was poured into water and extracted three times with ethyl acetate. The combined organic layers were washed three times with 5% aq. LiCI (aq), separated, dried over sodium sulfate, filtered, and concentrated to afford (5-bromo-2- nitrophenyl)(2-methylpropyl)amine (9.02 g, 33.0 mmol, quant, yield) as a yellow oil: 1H NMR (DMSO-de) δ ppm 8.20 (t, J = 5.4 Hz, 1 H), 7.97 (d, J = 9.2 Hz, 1 H), 7.25 (d, J = 2.0 Hz, 1 H), 6.81 (dd, J = 9.1 , 2.0 Hz, 1 H), 3.11 - 3.26 (m, 2H), 1.83 - 1.98 (m, 1 H), 0.94 (d, J = 6.6 Hz, 6H). Step B
(2-amino-5-bro ropyl)amine
Figure imgf000214_0001
[00296] A solution of (5-bromo-2-nitrophenyl)(2-methylpropyl)amine (9.04 g, 33.1 mmol) in tetrahydrofuran (175 mL) was treated dropwise with sodium dithionite (28.8 g, 165 mmol) in water (175 mL) over one hour. After stirring for 8 hours additional sodium dithionite (28.8 g, 165 mmol) in water (175 mL) was added and the mixture was stirred overnight. The mixture was diluted with ethyl acetate and washed three times with saturated NaCI (aq). The organic layer was separated, dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and purified by column chromatography to afford (2-amino-5-bromophenyl)(2- methylpropyl)amine (4.8 g, 19.74 mmol, 59.6 % yield) as a clear oil: H NMR (DMSO-d6) δ ppm 6.38 - 6.54 (m, 3H), 4.71 (s, 2H), 4.65 (t, J = 5.4 Hz, 1 H), 2.80 (t, J = 6.1 Hz, 2H), 1.87 (dt, J = 13.4, 6.7 Hz, 1 H), 0.95 (d, J = 6.6 Hz, 6H).
Step C
6-bromo-1-(2-me idazol-2-amine
Figure imgf000214_0002
[00297] A solution of (2-amino-5-bromophenyl)(2-methylpropyl)amine (1 g, 4.11 mmol) in MeOH (40 mL) was treated with cyanogen bromine (0.871 g, 8.23 mmol). The reaction mixture was maintained at room temperature for 2 h. The resulting mixture was partitioned between EtOAc (100 mL), a sat. NaHC03 solution (100 mL) and water (20 mL). The organic layer was washed with a sat. NaCI solution, dried (Na2S0 ) and then concentrated. The residue was triturated using CH2CI2 to obtain 6-bromo-1-(2-methylpropyl)-1 H-benzimidazol-2-amine (800 mg, 2.98 mmol, 72.5 % yield) as a beige solid: ES LC-MS m/z =268.5 (Br79, M+H)+; ES LC-MS m/z =270.5 (Br81, M+H)+.
Step D 5-bromo-2-methoxypyridin-3-amine
Figure imgf000215_0001
[00298] Tin (II) chloride dihydrate (87 g, 386.2 mmol) was added into a solution of 5- bromo-2-methoxy-3-nitropyridine (18 g, 72.2 mmol) in acetyl acetae (450 mL) at r.t. and the resulting mixture was refluxed for 3 hours with TLC monitoring. After the full conversion of starting material, the reaction mixture was cooled to r.t. and slowly poured into 6 N NaOH (500 mL) and stirred for a period of 10 minutes. The precipitate was filtered out with suction, and the filtrate was extracted with EtOAc (500 mL x 3). The combined organic layer was dried over Na2S04, filtered, and concentrated to dry to give a residue which was purified with column chromatography (EtOAc: petroleum ether = 1 : 4 as eluent) to give the product as a white solid (12 g, 77%). LC/MS, ESI, m/z, 203, 205 (m+1 )+, Br pattern found.
Step E
N-(5-bromo-2-meth enzene- sulfonamide
Figure imgf000215_0002
[00299] 2,4-difluorobenzene-1-sulfonyl chloride (6.8 g, 32 mmol) was added into a solution of 5-bromo-2-methoxypyridin-3-amine (6.5 g, 32 mmol) in pyridine (10 mL) and the reaction mixture was stirred at r.t. for 20 hours before the reaction solution was concentrated to dry in vacuo to give a crude product which was purified with column chromatography (EtOAc : Petroleum ether = 1 :2 as eluent) to give the product as a brown solid (10 g, 83%). 1 H-NMR (300 MHz, DMSO-d6), δ 10.46 (s, 1 H), 8.52 (s, 1 H), 7.80-7.72 (m, 2H), 7.56 (m, 1 H), 7.20 (m, 1 H), 3.62 (s, 3H). LC/MS, ESI, m/z, 379, 381 (m+1 )+, Br pattern found.
Step F
2, 4-difluoro-N-(2-methoxy-5-(4, 4, 5, 5-tetramethyl-1,3, 2- dioxaborolan-2-yl)pyridin-3- yl)benzenesulfonamide
Figure imgf000216_0001
[00300] Pd(dppf)CI2 (3.53 g, 4.3 mmol) was added into a suspension of N-(5-bromo-2- methoxypyridin-3-yl)-2,4-difluorobenzene- sulfonamide (30 g, 86.5 mmol), 4,4,4',4',5,5,5',5'- octamethyl-2,2'-bi(1 ,3,2-dioxaborolane) (24.2 g, 95.2 mmol), KOAc (25.4 g, 259.6 mmol) in dioxane (500 mL). The reaction mixture was then stirred at reflux under N2 protection overnight before cooled down to r.t. and concentrated to dry. The residue was taken up with 200 mL for dichloromethane and filtered to collect the filtrate which was concentrated to dry to give a residue. The crude was applied on silica gel column (EtOAc : petroleum ether = 1 :10 to 1 :4 as eluent) to give give the product as a white solid (30 g, 81 %). 1H-NMR (300 MHz, CD3OD), δ 8.22 (s, 1 H), 7.94 (s, 1 H), 7.80 (m, 1 H), 7.22 (m, 1 H), 7.02 (m, 1 H), 3.77 (s, 3H), 1.37 (s, 12H). LC/MS, ESI, m/z, 427 (M+1 )+.
Step G
N-[5-[2-amino-1-(2-methylpropyl)-1H-benzimidazol-6-yl]-2-(methylox
difluorobenzenesulfonamide
Figure imgf000216_0002
[00301] A degassed mixture of 6-bromo-1-(2-methylpropyl)-1 H-benzimidazol-2-amine (60 mg, 0.224 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)- 3-pyridinyl]benzenesulfonamide (119 mg, 0.280 mmol), Pd(dppf)2CI2 CH2CI2 adduct (18.27 mg, 0.022 mmol) and potassium acetate (65.9 mg, 0.671 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 80 °C for 2 h. The reaction mixture was allowed to cool to room temperature, diluted with EtOAc (50 mL) and washed with a sat. NaCI solution (50 mL). The organic layer was concentrated. The residue was dissolved in DMF (1 mL), filtered and purified by reverse phase chromatography (10-90% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-[2-amino-1 -(2-methylpropyl)-1 H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide (73 mg, 67 % yield) as a white solid: H NMR (400 MHz, DMSO-d6) δ ppm 0.88 (d, J=6.64 Hz, 6 H) 2.07 - 2.22 (m, 1 H) 3.62 (s, 3 H) 3.86 (d, J=7.52 Hz, 2 H) 6.61 (br. s., 2 H) 7.1 1 - 7.24 (m, 3 H) 7.40 (s, 1 H) 7.51 - 7.60 (m, 1 H) 7.70 - 7.78 (m, 1 H) 7.80 (d, J=2.05 Hz, 1 H) 8.14 (s, 1 H) 8.26 (d, J=1.95 Hz, 1 H); ES LC-MS m/z =488.4 (M+H)+.
Example 131
N-[5-(2-amino-1-methyl-1H-benzimidazol-6-yl)-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide
Figure imgf000217_0001
Step A
5-bromo-N-methyl-2-nitroaniline
Figure imgf000217_0002
[00302] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), a 2 M methylamine solution in THF (5.00 mL, 10.00 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 3 h. More methylamine solution in THF (10.00 mL, 20.00 mmol) was added and the reaction mixture was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated onto Celite® and purified by column chromatography (silica gel, 0-40% EtOAc/hexane) to obtain 5-bromo-N-methyl-2- nitroaniline (1.56 g, 6.75 mmol, 74.3 % yield) as an orange solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 2.94 (d, 3 H) 6.82 (dd, J=9.07, 2.05 Hz, 1 H) 7.16 (d, =1.95 Hz, 1 H) 7.98 (d, J=9.07 Hz, 1 H) 8.24 (d, .7=4.19 Hz, 1 H).
Step B
(2-amino-5-bromophenyl)methylamine
Figure imgf000218_0001
[00303] To a bright yellow solution of 5-bromo-N-methyl-2-nitroaniline (1.56 g, 6.75 mmol) in EtOH (100 mL) was added dropwise a solution of sodium dithionate (8.35 g, 40.5 mmol) in H20 (80 mL). The resulting pale yellow slurry was filtered and the solid was washed with EtOH. The filtrate was concentrated. The residue was partitioned between EtOAc (100 mL) and water (100 mL). The organic layer was washed with a sat. NaCI solution (100 mL) and concentrated to obtain (2-amino-5-bromophenyl)methylamine (996 mg, 4.95 mmol, 73.4 % yield) as a brown oil: 1H NMR (400 MHz, DMSO-d6) δ ppm 2.68 (s, 3 H) 4.62 (br. s., 2 H) 4.89 (br. s., 1 H) 6.40 (d, J=2.15 Hz, 1 H) 6.42 - 6.46 (m, 1 H) 6.49 - 6.54 (m, 1 H); ES LC-MS m/z =201.5 (Br79, M+H)+; ES LC-MS m/z =203.4 (Br81, M+H)+.
Step C
6-bromo- 1 -methyl- 1 H-benzimidazol-2-
Figure imgf000218_0002
[00304] A solution of (2-amino-5-bromophenyl)methylamine (992 mg, 4.93 mmol) in
MeOH (10 mL) was treated with cyanogen bromine (1045 mg, 9.87 mmol). The reaction mixture was maintained at room temperature for 1 h, then partitioned between EtOAc (100 mL), a sat. NaHC03 solution (100 mL) and water (20 mL). The organic layer was washed with a sat. NaCI solution, dried (Na2S04) and concentrated. The residue was triturated using CH2CI2 to obtain 6- bromo-1-methyl-1 H-benzimidazol-2-amine (952 mg, 4.21 mmol, 85 % yield) as a beige solid:.1H NMR (400 MHz, DMSO-cfe) δ ppm 3.48 (s, 3 H) 6.57 (s, 2 H) 7.04 (d, J=0.98 Hz, 2 H) 7.30 - 7.38 (m, 1 H) ES LC-MS m/z =226.1 (Br79, M+H)+; ES LC-MS m/z =228.1 (Br81, M+H)+.
Step D
N-[5-(2-amino-1 -methyl- 1 H-benzimidazol-6-yl)-2-(methyloxy)-3-pyridinyl]-2, 4- difluorobenzenesulfonamide
Figure imgf000219_0001
[00305] A degassed mixture of 6-bromo-1-methyl-1 H-benzimidazol-2-amine (50.6 mg, 0.224 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyl]benzenesulfonamide (1 19 mg, 0.280 mmol), Pd(dppf)2CI2 CH2CI2 adduct (18.29 mg, 0.022 mmol) and potassium acetate (66.0 mg, 0.672 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 80 °C. After 2 h the reaction mixture was allowed to cool to room temperature. The resulting slurry was filtered and the solid was washed with water to obtain N- [5-(2-amino-1-methyl-1 H-benzimidazol-6-yl)-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide (18 mg, 0.040 mmol, 17.86 % yield) as a light brown solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 3.55 (s, 3 H) 3.62 (s, 3 H) 6.57 (br. s., 2 H) 7.11 - 7.26 (m, 3 H) 7.36 (s, 1 H) 7.49 - 7.62 (m, 1 H) 7.70 - 7.86 (m, 2 H) 8.25 (br. s., 1 H) 10.30 (br. s., 1 H); ES LC-MS m/z =446.2 (M+H)+.
Example 132
N-[5-(2-amino-1-cyclopentyl-1H-benzimidazol-6-yl)-2-(methyloxy)-3^yridin
difluorobenzenesulfonamide
Figure imgf000219_0002
Step A
5-bromo-N itroaniline
Figure imgf000219_0003
[00306] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), cyclopentylamine (0.897 mL, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated to obtain 5-bromo-N-cyclopentyl-2-nitroariiline (2.58 g, 9.05 mmol, 100 % yield) as a yellow solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.44 - 1.77 (m, 6 H) 2.06 (dq, =12.08, 5.96 Hz, 2 H) 4.08 (sxt, J=6.38 Hz, 1 H) 6.84 (dd, J=9.12, 2.00 Hz, 1 H) 7.27 (d, J=2.05 Hz, 1 H) 7.95 - 8.04 (m, 2 H); ES LC-MS m/z =285.1 (Br79, M+H)+; ES LC-MS m/z =287.2 (Br81, M+H)+
Step B
-5-b entyli
Figure imgf000220_0001
[00307] To a yellow solution of 5-bromo-N-cyclopentyl-2-nitroaniline (2.58 g, 9.05 mmol) in EtOH (100 mL) was added dropwise a solution of sodium dithionate (14.92 g, 72.4 mmol) in H20 (80 mL). The resulting slurry was stirred at room temperature for 3 h, then filtered. The solid was washed with EtOH. The filtrate was concentrated. The residue was partitioned between EtOAc (100 mL), and water (100 mL). The organic layer was washed with a sat. NaCI solution (100 mL), concentrated onto Celite® and purified by column chromatography (silica gel, 0-40% EtOAc/hexane) to obtain (2-amino-5-bromophenyl)cyclopentylamine (1.66 g, 6.51 mmol, 71.9 % yield) as a brown oil: 1H NMR (400 MHz, DMSO-cfe) δ ppm 1.37 - 1.61 (m, 4 H) 1.61 - 1.74 (m, 2 H) 1.92 (dq, J=1 1.95, 6.10 Hz, 2 H) 3.66 (sxt, J=6.05 Hz, 1 H) 4.54 (d, J=5.95 Hz, 1 H) 4.71 (s, 2 H) 6.41 - 6.47 (m, 2 H)'6.47 - 6.51 (m, 1 H); ES LC-MS m/z =255.2 (Br79, M+H)+; ES LC-MS m/z =257.2 (Br81, M+H)+
Step C
6-bromo- 1 -cyclopentyl- 1 H-benzimidazol-2-amine
Figure imgf000221_0001
[00308] A solution of (2-amino-5-bromophenyl)cyclopentylamine (1.66 g, 6.51 mmol) in MeOH (17 mL) was treated with cyanogen bromine (1.378 g, 13.01 mmol). The reaction mixture was maintained at room temperature for 1 h, then partitioned between EtOAc (100 mL), a sat. NaHC03 solution (100 mL) and water (20 mL). The organic layer was washed with a sat. NaCI solution, dried (Na2S04) and concentrated. The residue was triturated using CH2CI2 to obtain 6- bromo-1-cyclopentyl-1 H-benzimidazol-2-amine (947 mg, 3.38 mmol, 52.0 % yield) as a beige solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.54 - 1.77 (m, 2 H) 1.81 - 2.09 (m, 6 H) 4.71 (quin, J=8.71 Hz, 1 H) 6.59 (s, 2 H) 7.08 (s, 2 H) 7.28 (s, 1 H); ES LC-MS m/z =280.5 (Br79, M+H)+; ES LC-MS m/z =282.5 (Br81, M+H)+.
Step D
N-[5-(2-amino-1-cyclopentyl-1H-benzimidazol-6-yl)-2-(methyloxy)-3^yridinyl]-2, 4- difluorobenzenesulfonamide
Figure imgf000221_0002
[00309] A degassed mixture of 6-bromo-1 -cyclopentyl-1 H-benzimidazol-2-amine (62.8 mg, 0.224 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)- 3-pyridinyl]benzenesulfonamide (119 mg, 0.28 mmol), Pd(dppf)2CI2 CH2CI2 adduct (18.29 mg, 0.022 mmol) and potassium acetate (66.0 mg, 0.672 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 80 °C for 4 h. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (50 mL) and washed with a sat. NaCI solution (50 mL).The organic layer was concentrated. The residue was dissolved in DMF (1 mL), filtered and purified by HPLC (10-90% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-(2-amino-1- cyclopentyl-1 H-benzimidazol-6-yl)-2-(methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide (10 mg, 0.020 mmol, 8.76 % yield): 1H NMR (400 MHz, DMSO-cfe) δ ppm 1.70 (br. s., 2 H) 1.96 (br. s., 4 H) 2.10 (br. s., 2 H) 3.65 (s, 3 H) 4.77 (quin, J=8.73 Hz, 1 H) 6.55 (br. s., 2 H) 7.12 - 7.25 (m, 3 H) 7.28 (s, 1 H) 7.51 - 7.63 (m, 1 H) 7.70 - 7.83 (m, 2 H) 8.14 (s, 1 H) 8.24 (d, .7=1.56 Hz, 1 H); ES LC-MS m/z =500.4 (M+H)+.
Example 133
N-[5-[2-amino-1-(1-methyiethyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3-pyr^
difluorobenzenesulfonamide formic acid salt
Figure imgf000222_0001
Step A
5-bromo-N-( -nitroaniline
Figure imgf000222_0002
[00310] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), isopropylamine (0.774 mL, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was stirred at room temperature overninght. The resulting mixture was diluted with ethyl acetate and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated to obtain 5-bromo-N-(1-methylethyl)-2-nitroaniline (2.32 g, 8.95 mmol, 98 % yield) as a bright orange solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.24 (d, 6 H) 3.93 - 4.02 (m, 1 H) 6.83 (dd, J=9.12, 2.00 Hz, 1 H) 7.29 (d, J=1.95 Hz, 1 H) 7.90 (d, J=7.71 Hz, 1 H) 7.99 (d, J=9.07 Hz, 1 H); ES LC-MS m/z =259.2 (Br79, M+H)+; ES LC-MS m/z =261.2 (Br81, M+H)+.
Step B
(2-amino-5-b thylethyl)amine
Figure imgf000222_0003
[00311] To a bright yellow solution of 5-bromo-N-(1-methylethyl)-2-nitroaniline (2.32 g, 8.95 mmol) in EtOH (100 mL) was added a solution of sodium dithionate (9.23 g, 44.8 mmol) in H20 (40 mL). The reaction mixture was stirred at room temperature overnight. The resulting pale yellow slurry was filtered, and the solid was washed with EtOAc. The filtrate was concentrated to about 50 mL. EtOAc (100 mL) was added and the mixture was washed with water (50 mL) and a sat. NaCI solution (50 mL). The organic layer was concentrated to obtain (2-amino-5-bromophenyl)(1-methylethyl)amine (2.05 g, 8.95 mmol, 100 % yield) as a brown semisolid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 1.14 (d, J=6.24 Hz, 6 H) 3.45 - 3.57 (m, 1 H) 4.70 (br. s., 3 H) 6.39 - 6.55 (m, 3 H); ES LC-MS m/z =229.1 (Br79, M+H)+; ES LC-MS m/z =231.1 (Br81, M+H)+.
Step C
6-bromo-1-(1-m zol-2-amine
Figure imgf000223_0001
[00312] A solution of (2-amino-5-bromophenyl)(1-methylethyl)amine (2.05 g, 8.95 mmol) in MeOH (20 mL) was treated with cyanogen bromine (1.895 g, 17.89 mmol). The reaction mixture was maintained at room temperature for 1 h. The resulting mixture was partitioned between EtOAc (100 mL) and a sat. NaHC03 solution (100 mL). The organic layer was washed with a sat. NaCI solution and concentrated. The residue was triturated using CH2CI2 to obtain 6- bromo-1-(1-methylethyl)-1 H-benzimidazol-2-amine (1.214 g, 4.78 mmol, 53.4 % yield) as a grey solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.45 (d, J=6.93 Hz, 6 H) 4.57 (spt, J=6.85 Hz, 1 H) 6.47 (s, 2 H) 7.04 (s, 2 H) 7.45 (s, 1 H); ES LC-MS m/z =254.2 (Br79, M+H)+; ES LC-MS m/z =256.2 (Br81, M+H)+.
Step D
N-[5-[2-amino- 1-(1-methylethyl)- 1 H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2, 4- difluorobenzenesulfonamide formic acid salt
Figure imgf000223_0002
[00313] A degassed mixture of 6-bromo-1-(1-methylethyl)-1 H-benzimidazol-2-amine (57 mg, 0.224 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)- 3-pyridinyl]benzenesulfonamide (0.119 g, 0.280 mmol), Pd(dppf)2CI2 CH2CI2 adduct (0.018 g, 0.022 mmol) and potassium acetate (0.066 g, 0.672 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C. After 1 h added more 6-bromo-1-(1-methylethyl)-1 H-benzimidazol-2- amine (25 mg, 0.098 mmol) and Pd(dppf)2CI2 CH2CI2 adduct (0.018 g, 0.022 mmol). The mixture was degassed and heated at 90 °C for 1 h. The resulting mixture was allowed to cool to room temperature. The layers were separated, the organic layer was concentrated. The residue was dissolved in DMF and purified by HPLC (10-50% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-[2-amino-1-(1-methylethyl)-1 H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide formic acid salt (35 mg, 0.074 mmol, 33.0 % yield): 1H NMR (400 MHz, DMSO-d6) δ ppm 1.52 (d, J=6.83 Hz, 6 H) 3.64 (s, 3 H) 4.64 (m, J=13.66, 6.73, 6.73, 6.73, 6.73 Hz, 1 H) 6.55 (br. s., 2 H) 7.11 - 7.26 (m, 3 H) 7.44 (s, 1 H) 7.53 - 7.61 (m, 1 H) 7.70 - 7.83 (m, 2 H) 8.14 (s, 1 H) 8.25 (d, J=2.05 Hz, 1 H); ES LC-MS m/z =474.3 (M+H)+.
Example 134
2,4-difluoro-N-[2-(methyloxy)-5-(2-{[2-(4-morphoHnyl)ethyl]amino}-1H-benzim
3-pyridinyl]benzenesulfonamide
Figure imgf000224_0001
Step A
5-bromo-N-[2-(4- midazol-2-
Figure imgf000224_0002
[00314] A solution of 5-bromo-2-chloro-1 H-benzimidazole (200 mg, 0.864 mmol) and 2- (4-morpholinyl)ethanamine (337 mg, 2.59 mmol) in toluene (4 mL) was heated at 120 °C for 20 h. The toluene was decanted, the oily residue was dissolved in CH2CI2 and purified by column chromatography (silica gel, 0-20% MeOH/EtOAc) to obtain 5-bromo-N-[2-(4-morpholinyl)ethyl]- 1 H-benzimidazol-2-amine (157 mg, 0.483 mmol, 55.9 % yield) as a beige solid: 1H NMR (400 MHz, DMSO-de) δ ppm 2.42 (br. s., 4 H) 2.50 - 2.54 (m, 2 H) 3.39 (q, J=6A5 Hz, 2 H) 3.51 - 3.67 (m, 4 H) 6.59 (s, 1 H) 6.91 - 7.01 (m, 1 H) 7.01 - 7.09 (m, 1 H) 7.25 (d, J=1.86 Hz, 1 H) 10.88 (br. s., 1 H); ES LC-MS m/z =325.2 (Br79, M+H)+; ES LC-MS m/z =327.3 (Br81, M+H)+.
Step B
2,4-difluoro-N-[2-(methyloxy)-5-(2-{[2-(4-morpholinyl)ethyl]amino}^
Figure imgf000225_0001
[00315] A degassed mixture of 5-bromo-N-[2-(4-morpholinyl)ethyl]-1 H-benzimidazol-2- amine (0.073 g, 0.224 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (0.119 g, 0.280 mmol), Pd(dppf)2CI2 CH2CI2 adduct (0.018 g, 0.022 mmol) and potassium acetate (0.066 g, 0.672 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 80 °C for 4 h. The reaction mixture was allowed to cool to room temperature then diluted with EtOAc (50 mL) and washed with a sat. NaCI solution (50 mL).The organic layer was concentrated. The residue was dissolved in DMF (1 mL), filtered and purified by HPLC (10-90% CH3CN/H20, both containing 0.1 % formic acid) to obtain 2,4-difluoro- N-[2-(methyloxy)-5-(2-{[2-(4-morpholinyl)ethyl]amino}-1 H-benzimidazol-5-yl)-3- pyridinyl]benzenesulfonamide: H NMR (400 MHz, chloroform-d) δ ppm 2.73 - 3.19 (m, 6 H) 3.75 (br. s., 2 H) 3.93 (s, 7 H) 6.96 (q, J=9.43 Hz, 2 H) 7.21 - 7.32 (m, 1 H) 7.36 (d, J=4.88 Hz, 2 H) 7.49 - 8.39 (m, 4 H) 8.50 (s, 2 H); ES LC-MS m/z =545.4 (M+H)+.
Example 135
2,4-difluoro-N-[2-(methyloxy)-5-(2-{[2-(1-pyrrolidinyl)ethyl]amino}-1H-benz
3-pyridinyl]benzenesulfonamide
Figure imgf000226_0001
Step A
5-bromo-N-[2-(1 idazol-2-amine
Figure imgf000226_0002
[00316] A solution of 5-bromo-2-chloro-1 H-benzimidazole (200 mg, 0.864 mmol) and 2- (l-pyrrolidinyl)ethanamine (296 mg, 2.59 mmol) in toluene (4 mL) was heated at 120 °C for 20 h. The resulting mixture was allowed to cool to room temperature and purified by column chromatography (silica gel, 0-30%MeOH/EtOAc) to obtain 5-bromo-N-[2-(1-pyrrolidinyl)ethyl]- 1 H-benzimidazol-2-amine (161 mg, 0.521 mmol, 60.3 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.73 (br. s., 4 H) 2.55 - 2.70 (m, 4 H) 2.74 (br. s., 2 H) 3.42 (q, J=6.24 Hz, 2 H) 6.72 (t, J=5.07 Hz, 1 H) 6.94 - 7.00 (m, 1 H) 7.03 - 7.08 (m, 1 H) 7.26 (d, J=1.85 Hz, 1 H) 10.82 (br. s., 1 H); ES LC-MS m/z =309.2 (Br79, M+H)+; ES LC-MS m/z =311.2 (Br81, M+H)+.
Step B
2 -difluoro-N-[2-(methyloxy)-5-(2-{[2-(1-pyrrolidinyl)ethyl]am
Figure imgf000226_0003
[00317] A degassed mixture of 5-bromo-N-[2-(1-pyrrolidinyl)ethyl]-1 H-benzimidazol-2- amine (80 mg, 0.258 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (110 mg, 0.258 mmol), Pd(dppf)2CI2 CH2CI2 adduct (21.07 mg, 0.026 mmol) and potassium acetate (76 mg, 0.774 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 80 °C for 2 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in DMF (1 mL), filtered and purified by HPLC (10-40% CH3CN/H20, both containing 0.1 % formic acid) to obtain 2,4-difluoro- N-[2-(methyloxy)-5-(2-{[2-(1-pyrrolidinyl)ethyl]amino}-1 H-benzimidazol-5-yl)-3- pyridinyl]benzenesulfonamide (22 mg, 0.041 mmol, 15.97 % yield): H NMR (400 MHz, DMSO- cfe) δ ppm 1 .79 (br. s., 4 H) 2.81 (br. s., 4 H) 2.86 - 2.96 (m, 2 H) 3.49 (br. s., 2 H) 3.66 (s, 3 H) 6.80 (br. s., 1 H) 7.08 (s, 1 H) 7.19 (d, J=8.00 Hz, 2 H) 7.29 (s, 1 H) 7.49 (s, 1 H) 7.67 - 7.82 (m, 2 H) 8.05 - 8.12 (m, 1 H) 8.17 (br. s., 2 H); ES LC-MS m/z =529.4 (M+H)+.
Example 136
N-[5-{2-amino-1-[3-(2-oxo-1-pyrrolidinyl)propyl]-1H-benzimidazol-6-yi ^
pyridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000227_0001
Step A
2,4-difluoro-N-[5-(3-fluoro-4-nitrophenyl)-2-(methyloxy)-3-pyridinyl]benzenesulfonamide
Figure imgf000227_0002
[00318] A degassed mixture of 4-bromo-2-fluoro-1 -nitrobenzene (0.413 g, 1.877 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyl]benzenesulfonamide (1 g, 2.346 mmol), Pd(dppf)2CI2 CH2CI2 adduct (0.153 g, 0.188 mmol) and potassium acetate (0.553 g, 5.63 mmol) in 1 ,4-dioxane (20 mL) and water (5 mL) was heated at 90 °C for 90 minutes. The reaction mixture was allowed to cool to room temperature then diluted with EtOAc (100 mL) and washed with a sat. NaCI solution (100 mL). The organic layer was concentrated. The residue was dissolved in CH2CI2l concentrated onto Celite® and purified by column chromatography (silica gel, 0-50% EtOAc/hexane) to obtain 2,4- difluoro-N-[5-(3-fluoro-4-nitrophenyl)-2-(methyloxy)-3-pyridinyl]benzenesulfona (705 mg, 1.605 mmol, 85 % yield) as a yellow solid: H NMR (400 MHz, DMSO-d6) δ ppm 3.62 - 3.69 (m, 3 H) 7.20 (td, =8.49, 2.24 Hz, 1 H) 7.54 - 7.62 (m, 1 H) 7.70 - 7.80 (m, 2 H) 7.99 (dd, 12.93, 1.80 Hz, 1 H) 8.07 (d, J=2.34 Hz, 1 H) 8.24 (t, =8.39 Hz, 1 H) 8.52 (d, J=2.34 Hz, 1 H) 10.40 (s, 1 H); ES LC-MS m/z =440.2 (M+H)+.
Step B
2, 4-difluoro-N-[2-(methyloxy)-5-(4-nitro-3-{l3-(2-oxo-1-pyrrolid^
Figure imgf000228_0001
[00319] A mixture of 2,4-difluoro-N-[5-(3-fluoro-4-nitrophenyl)-2-(methyloxy)-3- pyridinyl]benzenesulfonamide (400 mg, 0.910 mmol) and K2C03 (377 mg, 2.73 mmol) in DMF (4 mL) was heated at 90 °C for 1 h. The resulting mixture was partitioned between EtOAc (100 mL) and water (100 mL). The layers were separated, and the aq. layer was treated with con. HCI solution until the orange color changed to greenish brown then was extracted with EtOAc (100 mL). The organic layers were concentrated to obtain 2,4-difluoro-N-[2-(methyloxy)-5-(4-nitro-3- {[3-(2-oxo-1-pyrrolidinyl)propyl]amino}phenyl)-3-pyridinyl]benzenesulfonamide (376 mg, 0.670 mmol, 73.5 % yield) as a yellow solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 1.82 (quin, J=6.74 Hz, 2 H) 1.91 (quin, J=7.52 Hz, 2 H) 2.17 - 2.25 (m, 2 H) 3.29 (t, J=6.64 Hz, 2 H) 3.36 (t, J=7.04 Hz, 2 H) 3.46 (q, J=6.51 Hz, 2 H) 3.66 (s, 3 H) 6.92 (dd, 8.99, 1.66 Hz, 1 H) 7.16 (d, J=1.56 Hz, 1 H) 7.21 (td, J=8.48, 2.10 Hz, 1 H) 7.53 - 7.63 (m, 1 H) 7.75 (td, =8.53, 6.40 Hz, 1 H) 7.95 (d, J=2.34 Hz, 1 H) 8.15 (d, J=8.89 Hz, 1 H) 8.33 (t, J=5.86 Hz, 1 H) 8.45 (d, J=2.25 Hz, 1 H) 10.37 (s, 1 H); ES LC-MS m/z =562.3 (M+H)+.
Step C
N-[5-(4-amino-3-{[3-(2-oxo-1-pyrrolidinyl)propyl]amino}phenyl)-2-(m
difluorobenzenesulfonamide
Figure imgf000229_0001
[00320] To a bright yellow solution of 2,4-difluoro-N-[2-(methyloxy)-5-(4-nitro-3-{[3-(2-oxo- 1-pyrrolidinyl)propyl]amino}phenyl)-3-pyridinyl]benzenesulfonamide (183 mg, 0.326 mmol) in EtOH (5 mL) was added a solution of sodium dithionate (537 mg, 2.61 mmol) in H20 (10 ml_). After stirring for 17 h at room temperature the reaction mixture was partitioned between EtOAc (50 mL) and water (25 mL). The organic layer was washed with a sat. NaCI solution (25 mL) and concentrated to obtain N-[5-(4-amino-3-{[3-(2-oxo-1-pyrrolidinyl)propyl]amino}phenyl)-2- (methyloxy)-3rpyridinyl]-2,4-difluorobenzenesulfonamide (105 mg, 0.198 mmol, 60.6 % yield) as a yellow solid:1H NMR (400 MHz, DMSO-d6) δ ppm 1 .81 (quin, J=6.90 Hz, 2 H) 1.92 (quin, J=7.44 Hz, 2 H) 2.15 - 2.27 (m, 2 H) 3.03 - 3.16 (m, 2 H) 3.22 - 3.46 (m, 7 H) 3.61 (s, 3 H) 6.58 - 6.68 (m, 1 H) 6.72 (br. s., 2 H) 7.22 (m, J=8.49, 8.49 Hz, 1 H) 7.53 - 7.62 (m, 1 H) 7.65 - 7.79 (m, 2 H) 8.18 (d, J=1.66 Hz, 1 H) 10.17 (br. s., 1 H); ES LC-MS m/z =532.4 (M+H)+.
Step D
N-[5-{2-amino- 1-[3-(2-oxo- 1 -pyrrolidinyl)propyl]- 1 H-benzimidazol-6-yl}-2-(methyloxy)-3-
Figure imgf000229_0002
[00321] A solution of N-[5-(4-amino-3-{[3-(2-oxo-1-pyrrolidinyl)propyl]amino}phenyl)-2- (methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide (80 mg, 0.150 mmol) in MeOH (1 mL) was treated with cyanogen bromine (31.9 mg, 0.301 mmol). After 1 h at room temperature the reaction mixture was purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-{2-amino-1 -[3-(2-oxo-1 -pyrrolidinyl)propyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4-difluorobenzenesulfonamide (32 mg, 0.055 mmol, 36.7 % yield) as a white solid: 1H NMR (400 MHz, DMSO-c 6) δ ppm 1.89 (br. s., 4 H) 2.19 (t, J=7.86 Hz, 2 H) 3.27 (t, J=7.03 Hz, 2 H) 3.32 (t, J=6.83 Hz, 2 H) 3.61 (s, 3 H) 4.03 (t, J=6.25 Hz, 2 H) 6.74 (br. s., 2 H) 7.19 (s, 3 H) 7.42 (s, 1 H) 7.58 (t, J=9.76 Hz, 1 H) 7.74 (q, J=7.58 Hz, 1 H) 7.84 (s, 1 H) 8.11 - 8.17 (m, 1 H) 8.29.(s, 1 H); ES LC-MS m/z =557.4 (M+H)+.
Example 137
N-[5-{2-amino-1-[2-(methyloxy)phenyl]-1H-benzimidazol-6-yl}-2-(methy
2,4-difluorobenzenesulfonamide
Figure imgf000230_0001
Step A
5-bromo-N-[2- 2-nitroaniline
Figure imgf000230_0002
[00322] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), a 2- (methyloxy)aniline (1.036 ml_, 9.19 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 13 h. The resulting mixture was diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated onto Celite® and purified by column chromatography (silica gel, 0-30% EtOAc/hexane) to obtain 5- bromo-N-[2-(methyloxy)phenyl]-2-nitroaniline (704 mg, 2.179 mmol, 23.72 % yield): 1H NMR (400 MHz, DMSO-d6) δ ppm 3.80 (s, 3 H) 6.99 (d, J=2.05 Hz, 1 H) 7.01 (s, 1 H) 7.05 (td, =7.61 , 1.27 Hz, 1 H) 7.19 (dd, J=8.29, 1.07 Hz, 1 H) 7.27 - 7.34 (m, 1 H) 7.39 (dd, J=7.76, 1.41 Hz, 1 H) 8.06 (d, J=9.27 Hz, 1 H) 9.38 (s, 1 H); ES LC-MS m/z =323.3 (Br79, M+H)+; ES LC-MS m/z =325.1 (Br81, M+H)+.
Step B
(2-amino-5-bromophenyl)[2-(methyloxy)phenyl]amine
Figure imgf000231_0001
[00323] To a bright orange solution of 5-bromo-N-[2-(methyloxy)phenyl]-2-nitroaniline (700 mg, 2.166 mmol) in EtOH (50 mL) was added a solution of sodium dithionate (3572 mg, 17.33 mmol) in H20 (20 mL). The reaction mixture was stirred at room temperature for 4 days. The resulting pale yellow slurry was filtered, the solid was washed with EtOH. The filtrate was concentrated. The residue was partitioned between EtOAc (100 mL), and water (100 mL). The organic layer was washed with a sat. NaCI solution (100 mL) and concentrated to obtain (2- amino-5-bromophenyl)[2-(methyloxy)phenyl]amine (554 mg, 1.890 mmol, 87 % yield) as a brown oil: ES LC-MS m/z =293.2 (Br79, M+H)+; ES LC-MS m/z =295.2 (Br81, M+H)+.
Step C
6-bromo- 1 -[2-(meth nzimidazol-2-amine
Figure imgf000231_0002
[00324] A solution of (2-amino-5-bromophenyl)[2-(methyloxy)phenyl]amine (550 mg, 1 .876 mmol) in MeOH (10 mL) was treated with cyanogen bromine (397 mg, 3.75 mmol). The reaction mixture was maintained at room temperature for 2 h, then partitioned between EtOAc (50 mL) and a sat. NaHC03 solution (50 mL). The organic layer was concentrated. The residue was purified by column chromatography (silica gel, 0-30%MeOH/EtOAc) to obtain 6-bromo-1-[2- (methyloxy)phenyl]-1 H-benzimidazol-2-amine (296 mg, 0.930 mmol, 49.6 % yield) as a beige solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 3.70 - 3.80 (m, 3 H) 6.28 (s, 2 H) 6.64 (d, J=1.56 Hz, 1 H) 7.06 - 7.17 (m, 3 H) 7.30 (dd, J=8.39, 0.98 Hz, 1 H) 7.36 (dd, J=7.71 , 1.66 Hz, 1 H) 7.49 - 7.59 (m, 1 H); ES LC-MS m/z =318.1 (Br79, M+H)+; ES LC-MS m/z =320.1 (Br81, M+H)+.
Step D
N-[5-{2-amino-1-[2-(methyloxy)phenyl]-1H-benzimidazol-6-yl}-2-(methyloxy)-3^yrid
Figure imgf000232_0001
[00325] A degassed mixture of 6-bromo-1-[2-(methyloxy)phenyl]-1 H-benzimidazol-2- amine (67.2 mg, 0.21 1 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (90 mg, 0.211 mmol), Pd(dppf)2CI2 CH2CI2 adduct (17.24 mg, 0.021 mmol) and potassium acetate (62.2 mg, 0.633 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 2 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in DMF (1 mL), filtered and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-{2- amino-1-[2-(methyloxy)phenyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide (10 mg, 0.019 mmol, 8.81 % yield): 1H NMR (400 MHz, DMSO-d6) δ ppm 3.61 (s, 3 H) 3.77 (s, 3 H) 6.26 (br. s., 2 H) 6.68 (br. s., 1 H) 7.05 - 7.23 (m, 3 H) 7.25 (br. s., 1 H) 7.29 - 7.38 (m, 1 H) 7.38 - 7.45 (m, 1 H) 7.47 - 7.59 (m, 2 H)' 7.61 (br. s., 1 H) 7.65 - 7.79 (m, 1 H) 8.06 - 8.22 (m, 2 H); ES LC-MS m/z =538.3 (M+H)+.
Example 138
N-[5-{2-amino-1-[3-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(^
pyridinyl]-2,4-difluorobenzenesulfonamide formic acid salt
Figure imgf000232_0002
Step A
5-bromo-N-[3-(4-morpholinyl)phenyl]-2-nitroaniline
[00326] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), a 3-(4- morpholinyl)aniline (1.632 g, 9.16 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (10 mL) was heated at 90 °C for 10 h. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated onto Celite® and purified by column chromatography (silica gel, 0-50% EtOAc/hexane) to obtain 5-bromo-N-[3-(4-morpholinyl)phenyl]-2-nitroaniline (2.26 g, 5.98 mmol, 65.2 % yield) as a bright orange solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 3.10 - 3.17 (m, 4 H) 3.70 - 3.77 (m, 4 H) 6.78 (dd, =7.72, 1.47 Hz, 1 H) 6.86 (dd, J=8.26, 2.10 Hz, 1 H) 6.91 (t, J=2.00 Hz, 1 H) 6.99 (dd, J=9.09, 2.05 Hz, 1 H) 7.20 (d, J=2.05 Hz, 1 H) 7.30 (t, J=8.06 Hz, 1 H) 8.04 (d, J=9.09 Hz, 1 H) 9.43 (s, 1 H); ES LC-MS m/z =378.2 (Br79, M+H)+; ES LC-MS m/z =380.2 (Br81, M+H)+.
Step B
(2-amino-5-bro enyl]amine
Figure imgf000233_0002
[00327] To a bright orange solution of 5-bromo-N-[3-(4-morpholinyl)phenyl]-2-nitroaniline (2.26 g, 5.98 mmol) in EtOH (80 mL) was added a solution of sodium dithionate (7.39 g, 35.9 mmol) in H20 (20 mL). The reaction mixture was maintained at room temperature for 7 days. The resulting slurry was filtered, solid washed with EtOH. The filtrate was concentrated. The residue was partitioned between EtOAc (200 mL), and water (100 mL). The organic layer was concentrated. The residue was dissolved in CH2CI2 and purified by column chromatography (silica gel, 0-100% EtOAc/hexane) to obtain (2-amino-5-bromophenyl)[3-(4- morpholinyl)phenyl]amine (330 mg, 0.948 mmol, 15.86 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 2.95 - 3.07 (m, 4 H) 3.66 - 3.76 (m, 4 H) 4.91 (s, 2 H) 6.27 (dd, J=7.80, 1.56 Hz, 1 H) 6.34 - 6.41 (m, 2 H) 6.66 (d, J=8.39 Hz, 1 H) 6.90 (dd, J=8.44, 2.29 Hz, 1 H) 6.99 - 7.08 (m, 2 H) 7.10 (s, 1 H); ES LC-MS m/z =348.2 (Br79, M+H)+; ES LC-MS m/z =350.2 (Br81, M+H)+.
Step C
6-bromo- 1 -[3-(4- imidazol-2-amine
Figure imgf000234_0001
[00328] A solution of (2-amino-5-bromophenyl)[3-(4-morpholinyl)phenyl]amine (327 mg,
0.939 mmol) in MeOH (5 mL) was treated with cyanogen bromine (199 mg, 1.878 mmol). The reaction mixture was maintained at room temperature for 6 h, then partitioned between EtOAc (100 mL), a sat. NaHC03 solution (100 mL) and water (20 mL). The organic layer was washed with a sat. NaCI solution and concentrated. The residue was taken up into Et20. The liquid was decanted from a black oily residue. The liquid was concentrated to obtain 6-bromo-1-[3-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (229 mg, 0.614 mmol, 65.3 % yield) as a grey solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 3.15 - 3.23 (m, 4 H) 3.69 - 3.78 (m, 4 H) 6.40 (s, 2 H) 6.84 (dd, J=7.61 , 1.27 Hz, 1 H) 6.90 (d, J=1.37 Hz, 1 H) 6.95 (t, J=2.05 Hz, 1 H) 7.07 - 7.16 (m, 3 H) 7.45 (t, J=8.05 Hz, 1 H); ES LC-MS m/z =373.2 (Br79, M+H)+; ES LC-MS m/z =375.2 (Br81, M+H)+.
Step D
N-[5-{2-amino-1-[3-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(methyb^
Figure imgf000234_0002
[00329] A degassed mixture of 6-bromo-1-[3-(4-morpholinyl)phenyl]-1 H-benzimidazol-2- amine (61.3 mg, 0.164 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (70 mg, 0.164 mmol), Pd(dppf)2CI2 CH2CI2 adduct (13.41 mg, 0.016 mmol) and potassium acetate (48.4 mg, 0.493 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 2 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in DMF (2 mL), filtered and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-{2- amino-1 -[3-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide formic acid salt (17 mg, 0.028 mmol, 17.12 % yield): 1H NMR (400 MHz, DMSO-cfe) δ ppm 3.16 - 3.25 (m, 4 H) 3.62 (s, 3 H) 3.70 - 3.78 (m, 4 H) 6.35 (s, 2 H) 6.91 (dd, J=7.72, 1.17 Hz, 1 H) 6.95 (s, 1 H) 7.01 (t, J=1.95 Hz, 1 H) 7.04 - 7.15 (m, 2 H) 7.18 - 7.24 (m, 1 H) 7.24 - 7.30 (m, 1 H) 7.48 (t, J=8.06 Hz, 2 H) 7.64 (d, J=1.56 Hz, 1 H) 7.71 (td, J=8.50, 6.45 Hz, 1 H) 8.14 (s, 2 H); ES LC-MS m/z =593.3 (M+H)+.
Example 139
N-[5-[2-amino-1-(phenylmethyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3^yridm
difluorobenzenesulfonamide hydrobromide
Figure imgf000235_0001
[00330] A degassed mixture of 4-bromo-2-fluoro-1 -nitrobenzene (0.413 g, 1.877 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyl]benzenesulfonamide (1 g, 2.346 mmol), Pd(dppf)2CI2 CH2CI2 adduct (0.153 g, 0.188 mmol) and potassium acetate (0.553 g, 5.63 mmol) in 1 ,4-dioxane (20 mL) and water (5 mL) was heated at 90 °C for 90 minutes. The reaction mixture was allowed to cool to room temperature then diluted with EtOAc (100 mL) and washed with a sat. NaCI solution (100 mL). The organic layer was concentrated. The residue was dissolved in CH2CI2, concentrated onto Celite® and purified by column chromatography (silica gel, 0-50% EtOAc/hexane) to obtain 2,4- difluoro-N-[5-(3-fluoro-4-nitrophenyl)-2-(methyloxy)-3-pyridinyl]benzenesulfonamide (705 mg, 1.605 mmol, 85 % yield) as a yellow solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 3.62 - 3.69 (m, 3 H) 7.20 (td, J=8.49, 2.24 Hz, 1 H) 7.54 - 7.62 (m, 1 H) 7.70 - 7.80 (m, 2 H) 7.99 (dd, J=12.93, 1.80 Hz, 1 H) 8.07 (d, J=2.34 Hz, 1 H) 8.24 (t, J=8.39 Hz, 1 H) 8.52 (d, J=2.34 Hz, 1 H) 10.40 (s, 1 H); ES LC-MS m/z =440.2 (M+H)+.
Step B
2,4-difluoro-N-(2-(methyloxy)-5-{4-nitro-3-[(phenylmethyl)amino]phe
Figure imgf000236_0001
[00331] A mixture of 2,4-difluoro-N-[5-(3-fluoro-4-nitrophenyl)-2-(methyloxy)-3- pyridinyl]benzenesulfonamide (100 mg, 0.228 mmol), benzylamine (24.39 mg, 0.228 mmol) and K2C03 (94 mg, 0.683 mmol) in DMF (1 mL) was heated at 90 °C for 2 h. The resulting mixture was allowed to cool to room temperature and filtered. The solids were washed with DMF. The filtrate was concentrated and used as is. ES LC-MS m/z =527.3 (M+H)+.
Step C
N-[5-{4-amino-3-[(phenylmethyl)amino]phenyl}-2-(methyloxy)-3^^
difluorobenzenesulfonamide
Figure imgf000236_0002
[00332] To a bright yellow solution of 2,4-difluoro-N-(2-(methyloxy)-5-{4-nitro-3- [(phenylmethyl)amino]phenyl}-3-pyridinyl)benzenesulfonamide (160 mg, 0.228 mmol) in EtOH (10 mL) was added a solution of sodium dithionate (376 mg, 1.823 mmol) in H20 (10 mL). After 3 days at room temperature EtOH (20 mL) and THF (10 mL) were added to aid solubility. After another day more sodium dithionate (376 mg, 1 .823 mmol) in H20 (10 mL) was added and the reaction mixture was stirred for 1 day. The resulting slurry was filtered, the solid washed with EtOH. The filtrate was concentrated, reevaporated from CH2CI2/hexane. The residue was taken up into CH2CI2. The yellow liquid was decanted and purified by column chromatography (silica gel, 0-100% EtOAc/hexane) to obtain N-[5-{4-amino-3-[(phenylmethyl)amino]phenyl}-2- (methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide (43 mg, 0.087 mmol, 38.0 % yield):1H NMR (400 MHz, DMSO-d6) δ ppm 3.58 (s, 3 H) 4.37 (d, J=5.66 Hz, 2 H) 4.81 (br. s., 2 H) 5.31 (t, J=5.7^ Hz, 1 H) 6.53 (s, 1 H) 6.58 - 6.65 (m, 2 H) 7.13 - 7.22 (m, 1 H) 7.23 (d, J=7.32 Hz, 1 H) 7.33 (t, J=7.51 Hz, 2 H) 7.42 (d, J=7.22 Hz, 2 H) 7.51 - 7.62 (m, 2 H) 7.69 (td, J=8.51 , 6.39 Hz, 1 H) 8.00 (d, J=2.24 Hz, 1 H) 10.17 (br. s., 1 H); ES LC-MS m/z =497.3 (M+H)+.
Step D
N-[5-[2-amino-1-(phenylmethyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3^yridinyl]-2
Figure imgf000237_0001
[00333] A solution of N-[5-{4-amino-3-[(phenylmethyl)amino]phenyl}-2-(methyloxy)-3- pyridinyl]-2,4-difluorobenzenesulfonamide (42 mg, 0.085 mmol) in MeOH (1 mL) was treated with cyanogen bromine (22.40 mg, 0.21 1 mmol). After 2 h at room temperature the reaction mixture was concentrated. The residue was taken up unto CH2CI2 and diluted with Et20. The resulting slurry was allowed to sit overnight, then filtered to obtain N-[5-[2-amino-1- (phenylmethyl)-1 H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide hydrobromide (46 mg, 0.076 mmol, 90 % yield) as a white solid:1H NMR (400 MHz, DMSO-d6) δ ppm 3.56 - 3.64 (m, 3 H) 5.51 (s, 2 H) 7.18 (td, J=8.48, 2.10 Hz, 1 H) 7.28 - 7.36 (m, 3 H) 7.36 - 7.44 (m, 2 H) 7.45 - 7.63 (m, 3 H) 7.71 (td, J=8.55, 6.35 Hz, 1 H) 7.78 (d, J=0.98 Hz, 1 H) 7.89 (d, J=2.34 Hz, 1 H) 8.29 (d, J=2.35 Hz, 1 H) 8.86 (s, 2 H) 10.31 (br. s., 1 H) 12.83 (br. s., 1 H) ES LC-MS m/z =522.3 (M+H)+. Example 140
N-[5-{2-amino-1-[4-(methyloxy)phenyl]-1H-benzimidazol-6-yl}-2-(methylo^
2,4-difluorobenzenesulfonamide formic acid salt
Figure imgf000238_0001
Step A
5-bromo-N-[4- 2-nitroaniline
Figure imgf000238_0002
[00334] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), a 4- (methyloxy)aniline (1.187 g, 9.64 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 5 h. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated to obtain 5-bromo-N-[4-(methyloxy)phenyl]-2-nitroaniline (2.92 g, 9.04 mmol, 99 % yield) as a dark orange solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 3.76 - 3.83 (m, 3 H) 6.91 - 6.98 (m, 2 H) .7.00 - 7.07 (m, 2 H) 7.24 - 7.31 (m, 2 H) 8.01 - 8.06 (m, 1 H) 9.46 (s, 1 H); ES LC-MS m/z =323.3 (Br79, M+H)+; ES LC-MS m/z =325.2 (Br81, M+H)+.
Step B
(2-amino-5-bromophenyl)[4-(methyloxy)phenyl]amine
Figure imgf000239_0001
[00335] To a bright yellow solution of 5-bromo-N-[4-(methyloxy)phenyl]-2-nitroaniline (2.91 g, 9.01 mmol) in EtOH (100 mL) was added a solution of sodium dithionate (14.85 g, 72.0 mmol) in H20 (80 mL). THF (50 mL) was then added to aid solubility. The reaction mixture was stirred at room temperature for 90 min. The resulting pale yellow slurry was filtered. The filtrate was concentrated. The residue was partitioned between EtOAc (50 mL), and water (25 mL). The organic layer was washed with a sat. NaCI solution (25 mL) and concentrated. The residue was dissolved in CH2CI2 and purified by column chromatography (silica gel, 0-100%
CH2CI2/hexane) to obtain (2-amino-5-bromophenyl)[4-(methyloxy)phenyl]amine (1.47 g, 5.01 mmol, 55.7 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 3.69 (s, 3 H) 4.89 (s, 2 H) 6.62 (d, =8.39 Hz, 1 H) 6.79 (dd, J=8.39, 2.24 Hz, 1 H) 6.85 (s, 4 H) 6.86 - 6.92 (m, 2 H); ES LC-MS m/z =293.2 (Br79, M+H)+; ES LC-MS m/z =295.2 (Br81, M+H)+.
Step C
6-bromo- 1 -[4-(me zimidazol-2-amine
Figure imgf000239_0002
[00336] A solution of (2-amino-5-bromophenyl)[4-(methyloxy)phenyl]amine (1.47 g, 5.01 mmol) in MeOH (10 mL) was treated with cyanogen bromine (1.062 g, 10.03 mmol). The reaction mixture was maintained at room temperature for 4 h, then partitioned between EtOAc (100 mL), a sat. NaHC03 solution (100 mL) and water (20 mL). The organic layer was washed with a sat. NaCI solution and concentrated. The residue was triturated using CH2CI2. The filtrate was purified by column chromatograpy (silica gel, 0-20% MeOH/EtOAc) to obtain 6-bromo-1-[4- (methyloxy)phenyl]-1 H-benzimidazol-2-amine (1.04 g, 3.27 mmol, 65.2 % yield) as a pink solid: H NMR (400 MHz, DMSO-d6) δ ppm 3.85 (s, 3 H) 6.58 (s, 2 H) 6.84 (s, 1 H) 7.08 - 7.21 (m, 4 H) 7.35 - 7.45 (m, 2 H); ES LC-MS m/z =318.1 (Br79, M+H)+; ES LC-MS m/z =320.1 (Br81, M+H)+
Step D
N-[5-{2-amino- 1 -[4-(methyloxy)phenyl]- 1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2, 4- difluorobenzenesulfonamide formic acid salt
Figure imgf000240_0001
[00337] A degassed mixture of 6-bromo-1-[4-(methyloxy)phenyl]-1 H-benzimidazol-2- amine (52.3 mg, 0.164 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (70 mg, 0.164 mmol), Pd(dppf)2CI2 CH2CI2 adduct (13.41 mg, 0.016 mmol) and potassium acetate (48.4 mg, 0.493 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and filtered through a plug of Celite®. The filtrate was concentrated. The residue was dissolved in DMF (1 mL) and a drop of TFA and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-{2-amino-1-[4-(methyloxy)phenyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4-difluorobenzenesulfonamide formic acid salt (47 mg, 0.083 mmol, 50.6 % yield) as a grey solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 3.60 (s, 3 H) 3.86 (s, 3 H) 6.76 (br. s., 2 H) 6.91 (s, 1 H) 7.10 - 7.24 (m, 3 H) 7.24 - 7.36 (m, 2 H) 7.43 - 7.60 (m, 3 H) 7.66 - 7.76 (m, 2 H) 8.13 (s, 1 H) 8.18 (d, J=2.34 Hz, 1 H) 10.27 (br. s., 1 H); ES LC-MS m/z =538.3 (M+H)+.
Example 141
N-[5-{2-amino-1-[(1R)-1-phenylethyi]-1H-benzimidazol-6-yl}-2-(meth^
difluorobenzenesulfonamide formic acid salt
Figure imgf000240_0002
Step A
5-bromo-2-n lethyl]aniline
Figure imgf000241_0001
[00338] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), (1 R)-1 - phenylethanamine (1 .102 g, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 2 h. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated to obtain an orange oil, which later crystallized under vacuo to obtain 5- bromo-2-nitro-N-[(1 R)-1-phenylethyl]aniline (2.88 g, 8.97 mmol, 99 % yield) as an orange solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.54 (d, 3 H) 4.95 (quin, J=6.68 Hz, 1 H) 6.83 (dd, J=9.07, 1 .95 Hz, 1 H) 7.03 (d, J=2.05 Hz, 1 H) 7.22 - 7.30 (m, 1 H) 7.32 - 7.39 (m, 2 H) 7.40 - 7.46 (m, 2 H) 7.99 (d, J=9.07 Hz, 1 H) 8.31 (d, J=6.63 Hz, 1 H).
Step B
(2-amino-5-bro enylethyl]amine
Figure imgf000241_0002
[00339] To a bright yellow solution of 5-bromo-2-nitro-N-[(1 R)-1 -phenylethyl]aniline (2.88 g, 8.97 mmol) in EtOH (100 mL) was added dropwise a solution of sodium dithionate (14.79 g, 71 .7 mmol) in H20 (80 mL). The reaction mixture was stirred at room temperature for 3 h. The resulting pale yellow slurry was filtered, and the solid was washed with EtOH. The filtrate was concentrated down to about 80 mL, diluted with EtOAc (100 mL) and water (50 mL). The organic layer was washed with a sat. NaCI solution (100 mL) and concentrated. The residue was.dissolved in CH2CI2 and purified by column chromatography (silica gel, 0-100%
EtOAc/hexane) to obtain (2-amino-5-bromophenyl)[(1 R)-1-phenylethyl]amine (1 .87 g, 6.42 mmol, 71.6 % yield) as a pale yellow oil: 1H NMR (400 MHz, DMSO-cfe) δ ppm 1.45 (d, 3 H) 4.46 (quin, J=6.61 Hz, 1 H) 4.86 (s, 2 H) 5.15 (d, J=6.54 Hz, 1 H) 6.20 (s, 1 H) 6.43 (s, 2 H) 7.13 - 7.24 (m, 1 H) 7.25 - 7.42 (m, 4 H); ES LC-MS m/z =291.1 (Br81, M+H)+; ES LC-MS m/z =293 (Br81, M+H)+.
Step C
6-bromo- 1-[(1R)- imidazol-2-amine
Figure imgf000242_0001
[00340] A solution of (2-amino-5-bromophenyl)[(1 R)-1-phenylethyl]amine (1.87 g, 6.42 mmol) in MeOH (10 mL) was treated with cyanogen bromine (1.360 g, 12.84 mmol). The reaction. mixture was maintained at room temperature for 2 h, then partitioned between EtOAc (100 mL) a sat. NaHC03 solution (100 mL) and water (20 mL). The organic layer was washed with a sat. NaCI solution and concentrated to obtain 6-bromo-1-[(1 R)-1-phenylethyl]-1 H- benzimidazol-2-amine (1.86 g, 5.88 mmol, 92 % yield) as a grey solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1 .81 (d, 3 H) 5.71 - 5.82 (m, 1 H) 6.67 (s, 2 H) 6.76 (d, J=1.76 Hz, 1 H) 6.95 - 7.02 (m, 1 H) 7.02 - 7.08 (m, 1 H) 7.24 - 7.34 (m, 3 H) 7.34 - 7.43 (m, 2 H); ES LC-MS m/z =316.2 (Br79, M+H)+; ES LC-MS m/z =318.2 (Br81, M+H)+.
Step D
N-[5-{2-amino- 1-[(1R)-1 -phenylethyl]- 1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2, 4-
Figure imgf000242_0002
[00341] A degassed mixture of 6-bromo-1-[(1 R)-1-phenylethyl]-1 H-benzimidazol-2-amine (51.9 mg, 0.164 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan- 2-yl)-3-pyridinyl]benzenesulfonamide (70 mg, 0.164 mmol), Pd(dppf)2CI2 CH2CI2 adduct (13.41 mg, 0.016 mmol) and potassium acetate (48.4 mg, 0.493 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and filtered through a plug of Celite®.The filtrate was concentrated. The residue was dissolved in DMF (1 mL) and a drop of TFA and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-{2-amino-1-[(1 R)-1-phenylethyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide formic acid salt (15 mg, 0.027 mmol, 16.20 % yield) as a white solid: 1H NMR (400 MHz, DMSO- CH2CI2d6) δ ppm 1.88 (d, J=7.02 Hz, 3 H) 3.61 (s, 3 H) 5.84 (d, J=7.22 Hz, 1 H) 6.68 - 6.94 (m, 3 H) 7.11 (d, J=8.39 Hz, 1 H) 7.14 - 7.25 (m, 2 H) 7.25 - 7.43 (m, 5 H) 7.51 - 7.62 (m, 2 H) 7.70 (td, J=8.49, 6.44 Hz, 1 H) 7.99 (d, J=2.15 Hz, 1 H) 8.13 (s, 1 H) 10.22 (br. s., 1 H); ES LC-MS m/z =536.3 (M+H)+.
Example 142
N-[5-[2-amino-1-(3-pyridinylmethyl)-1H-benzimidazol-6-yl]-2-(methylo^
difluorobenzenesulfonamide formic acid salt
Figure imgf000243_0001
Step A
iline
Figure imgf000243_0002
[00342] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), (2- pyridinylmethyl)amine (0.983 g, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 2 h. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated onto Celite® and purified by column chromatography (silica gel, 0-40% EtOAc/hexane) to obtain 5-bromo-2-nitro-N-(2-pyridinylmethyl)aniline (1.82 g, 5.91 mmol, 65.0 % yield) as a yellow solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 4.72 (d, 2 H) 6.86 (dd, J=9.07, 1.95 Hz, 1 H) 7.22 (d, J=1.85 Hz, 1 H) 7.34 (dd, J=7.22, 5.07 Hz, 1 H) 7.42 (d, J=7.90 Hz, 1 H) 7.82 (td, J=7.66, 1.66 Hz, 1 H) 8.02 (d, J=9.07 Hz, 1 H) 8.60 (d, J=4.78 Hz, 1 H) 9.11 (t, J=5.12 Hz, 1 H); ES LC-MS m/z =308 (Br79, M+H)+; ES LC-MS m/z =310 (Br81, M+H)+.
Step B
(2-amino~5-b ethyl)amine
Figure imgf000244_0001
[00343] To a bright yellow solution of 5-bromo-2-nitro-N-(3-pyridinylmethyl)aniline (1.82 g, 5.91 mmol) in EtOH (50 mL) was added a solution of sodium dithionate (9.74 g, 47.3 mmol) in H20 (40 mL). The reaction mixture was stirred at room temperature for 17 h. The resulting thick pale yelow slurry was filtered. The filtrate was concentrated, then the residue was partitioned between EtOAc (100 mL) and water (100 mL). The organic layer was washed with a sat. NaCI solution (100 mL) and concentrated to obtain (2-amino-5-bromophenyl)(3-pyridinylmethyl)amine (1.14 g, 4.10 mmol, 69.4 % yield) as a yellow solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 4.36 (d, 2 H) 4.76 (s, 2 H) 5.60 (t, J=5.76 Hz, 1 H) 6.35 (d, J=1.85 Hz, 1 H) 6.46 - 6.54 (m, 2 H) 7.23 - 7.30 (m, 1 H) 7.35 (d, J=7.90 Hz, 1 H) 7.75 (td, J=7.68, 1.80 Hz, 1 H) 8.54 (dd, J=4.83, 0.73 Hz, 1 H); ES LC-MS m/z =278.3 (Br79, M+H)+; ES LC-MS m/z =280.3 (Br81, M+H)+.
Step C
6-bromo- 1 - idazol-2-
Figure imgf000244_0002
[00344] A solution of (2-amino-5-bromophenyl)(3-pyridinylmethyl)amine (1.14 g, 4.10 mmol) in MeOH (10 mL) was treated with cyanogen bromine (0.868 g, 8.20 mmol)* The reaction mixture was maintained at room temperature for.3 h. The resulting mixture was partitioned between EtOAc (100 mL), a sat. NaHC03 solution (100 mL) and water (20 mL). The organic layer was washed with a sat. NaCI solution and concentrated. The residue was triturated using CH2CI2 to obtain 6-bromo-1-(3-pyridinylmethyl)-1 H-benzimidazol-2-amine (886 mg, 2.92 mmol, 71.3 % yield) as a grey solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 5.34 (s, 2 H) 6.68 (s, 2 H) 6.99 - 7.14 (m, 3 H) 7.24 - 7.33 (m, 2 H) 7.77 (td, J=7.71 , 1.76 Hz, 1 H) 8.53 (dd, J=4.78, 0.78 Hz, 1 H); ES LC-MS m/z =303.2 (Br79, M+H)+; ES LC-MS m/z =305.2 (Br81, M+H)+.
Step D
N-[5-[2-amino- 1-(3-pyridinylmethyl)- 1 H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2, 4-
Figure imgf000245_0001
[00345] A degassed mixture of 6-bromo-1-(3-pyridinylmethyl)-1 H-benzimidazol-2-amine (54.8 mg, 0.181 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan- 2-yl)-3-pyridinyl]benzenesulfonamide (70 mg, 0.164 mmol), Pd(dppf)2CI2 CH2CI2 adduct (13.41 mg, 0.016 mmol) and potassium acetate (48.4 mg, 0.493 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a few drops of MeOH, then filtered through a plug of CeliteO.The filtrate was concentrated. The residue was dissolved in DMF (1 mL) and purified by HPLC (10-50% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-[2-amino-1-(3-pyridinylmethyl)-1 H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide formic acid salt (32 mg, 0.061 mmol, 37.3 % yield) as a grey solid: H NMR (400 MHz, DMSO-d6) δ ppm 3.61 (s, 3 H) 5.42 (s, 2 H) 6.72 (br. s., 2 H) 7.11 (d, J=7.82 Hz, 1 H) 7.14 - 7.24 (m, 3 H) 7.30 (dd, J=7.23, 5.08 Hz, 1 H) 7.33 (s, 1 H) 7.49 - 7.59 (m, 1 H) 7.68 - 7.80 (m, 3 H) 8.15 (s, 1 H) 8.17 (d, J=2.15 Hz, 1 H) 8.55 (d, J=4.50 Hz, 1 H); ES LC-MS m/z =523.4 (M+Hf.
Example 143
N-[5-{2-amino-1-[3-(3-oxo-4-morpholinyl)propyl]-1H-benzimidazo^
pyridinyl]-2,4-difluorobenzenesulfonamide formic acid salt
Figure imgf000246_0001
Step A
4-{3-[(5-bromo-2- 3-morpholinone
Figure imgf000246_0002
[00346] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), 4-(3- aminopropyl)-3-morpholinone hydrochloride (0.849 g, 4.36 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 2 h. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (50 mL) and a 5% aq. LiCI solution. Thick slurry formed at the interphase. The mixture was filtered, solid washed with water. The organic layer was washed with a 5% aq. LiCI solution (2x50 mL), concentrated down to a slurry which was filtered. The solids were combined and dried in vacuo to obtain 4-{3-[(5-bromo-2- nitrophenyl)amino]propyl}-3-morpholinone (1.274 g, 3.56 mmol, 82 % yield) as a yellow solid: H NMR (400 MHz, DMSO-d6) δ ppm 2.69 (t, 2 H) 3.39 - 3.49 (m, 4 H) 3.49 - 3.65 (m, 6 H) 6.83 (dd, J=9.07, 1.76 Hz, 1 H) 7.31 (d, J=1.76 Hz, 1 H) 7.98 (d, J=9.07 Hz, 1 H) 8.38 (t, J=5.85 Hz, 1 H); ES LC-MS m/z =358.2 (Br79, M+H)+; ES LC-MS m/z =360.2 (Br81, M+H)+.
Step B
4-{3-[(2-amino-5-bromophenyl)amino]propyl}-3-morpholinone
Figure imgf000247_0001
[00347] To a bright yellow solution of 4-{3-[(5-bromo-2-nitrophenyl)amino]propyl}-3- morpholinone (1 .27 g, 3.55 mmol) in EtOH (30mL) was added a solution of sodium dithionate (5.85 g, 28.4 mmol) in H20 (30 mL). The reaction mixture was stirred at room temperature for 4 h and was filtered. The filtrate concentrated, the residue was partitioned between EtOAc (100 mL), and water (100 mL). The organic layer was washed with a sat. NaCI solution (100 mL) and concentrated to obtain 4-{3-[(2-amino-5-bromophenyl)amino]propyl}-3-morpholinone (705 mg, 2.148 mmol, 60.6 % yield) as a pale yellow solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 2.60 (t, 2 H) 3.25 (q, J=6.44 Hz, 2 H)*3.39 - 3.49 (m, 4 H) 3.54 (dd, J=4A4, 2.68 Hz, 4 H) 4.64 (s, 2 H) 4.74 (t, J=5.7^ Hz, 1 H) 6.43 - 6.50 (m, 2 H) 6.50 - 6.56 (m, 1 H); ES LC-MS m/z =328.3 (Br79, M+H)+; ES LC-MS m/z =330.3 (Br81, M+H)+.
Step C
4-[3-(2-amino-6-bro -1 H-benzimidazol-1-yl)propyl]-3-morpholinone
Figure imgf000247_0002
[00348] A solution of 4-{3-[(2-amino-5-bromophenyl)amino]propyl}-3-morpholinone (702 mg, 2.139 mmol) in MeOH (5 mL) was treated with cyanogen bromine (453 mg, 4.28 mmol). The reaction mixture was maintained at room temperature for 4 h, then partitioned between EtOAc (50 mL), a sat. NaHC03 solution (50 mL) and water (20 mL). The organic layer was washed with a sat. NaCI solution (50 mL) and concentrated. The residue was triturated using CH2CI2 to obtain 4-[3-(2-amino-6-bromo-1 H-benzimidazol-1-yl)propyl]-3-morpholinone (575 mg, 1.628 mmol, 76 % yield) as a pink solid: H NMR (400 MHz, DMSO-c/6) δ ppm 2.73 (t, J=6.68 Hz, 2 H) 3.19 - 3.37 (m, 2 H) 3.37 - 3.55 (m, 6 H) 4.18 (t, J=6.68 Hz, 2 H) 6.60 (s, 2 H) 7.05 (s, 2 H) 7.37 (s, 1 H); ES LC-MS m/z =353.2 (Br79, M+H)+; ES LC-MS m/z =355.2 (Br81, M+H)+.
Step D
N-[5-{2-amino-1-[3-(3-oxo-4~morpholinyl)propyl]-1H-benzimidazol-6-yl}-2-(meth
salt
Figure imgf000248_0001
[00349] A degassed mixture of 4-[3-(2-amino-6-bromo-1 H-benzimidazol-1-yl)propyl]-3- morpholinone (63.8 mg, 0.181 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (70 mg, 0.164 mmol), Pd(dppf)2CI2 CH2CI2 adduct (13.41 mg, 0.016 mmol) and potassium acetate (48.4 mg, 0.493 mmol) in 1 ,4-dioxane (2 ml_) and water (0.5 ml_) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2, filtered through a plug of Celite®.The filtrate was concentrated. The residue was dissolved in DMF (1 ml_) and purified by HPLC (10-50% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-{2- amino-1-[3-(3-oxo-4-morpholinyl)propyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide formic acid salt (27 mg, 0.047 mmol, 28.7 % yield): H NMR (400 MHz, DMSO-d6) δ ppm 2.78 (t, J=6.60 Hz, 2 H) 3.33 (d, J=4.30 Hz, 2 H) 3.37 - 3.50 (m, 6 H) 3.62 (s, 3 H) 4.27 (t, J=6.50 Hz, 2 H) 6.61 (br. s., 2 H) 7.13 - 7.25 (m, 3 H) 7.40 (s, 1 H) 7.55 (m, J=8.84, 8.84 Hz, 1 H) 7.71 - 7.80 (m, 1 H) 7.82 (d, J=1.86 Hz, 1 H) 8.15 (s, 1 H) 8.26 (d, J=1.56 Hz, 1 H); ES LC-MS m/z =573.5 (M+H)+.
Example 144
N-[5-[2-amino-1-(trans-4-hydroxycyclohexyl)-1H-benzimidazol-6-yl]-2-(m
pyridinyl]-2,4-difluorobenzenesulfonamide formic acid salt
Figure imgf000249_0001
Step A
5-bromo-N-isobutyl-2-nitroaniline
Figure imgf000249_0002
[00350] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), trans-4- aminocyclohexanol (1.047 g, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was maintained at room temperature overnight, then heated at 90 °C for 1 h, The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated. The residue was dissolved in CH2CI2 and purified by column chromatography (silica gel, 50-100% CH2CI2/hexane) to obtain trans-4-[(5-bromo-2-nitrophenyl)amino]cyclohexanol (2.2 g, 6.98 mmol, 77 % yield) as a bright yellow solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.28 - 1.46 (m, 4 H) 1.74 - 1.88 (m, 2 H) 1.88 - 2.03 (m, 2 H) 3.39 - 3.54 (m, 1 H) 3.66 (d, J=3.61 Hz, 1 H) 4.62 (d, J=4.19 Hz, 1 H) 6.81 (dd, J=9.07, 1.95 Hz, 1 H) 7.34 (d, J=1.85 Hz, 1 H) 7.83 - 8.02 (m, 2 H); ES LC-MS m/z =315.2 (Br79 M+H)+; ES LC-MS m/z =317.2 (Br81, M+H)+.
Step B
trans-4-[(2-amino-5-bromophenyl)amino]cyclohexanol
Figure imgf000249_0003
[00351] To a bright yellow solution of trans-4-[(5-bromo-2-nitrophenyl)amino]cyclohexanol (2.2 g, 6.98 mmol) in EtOH (100 mL) was added a solution of sodium dithionate (1 1 .51 g, 55.8 mmol) in H20 (80 mL). The reaction mixture was stirred at room temperature for 3 h. The resulting pale yellow slurry was filtered. The filtrate was concentrated, and then the residue was partitioned between EtOAc (100 mL) and water (50 mL). The organic layer was washed with a sat. NaCI solution (50 mL) and concentrated to obtain trans-4-[(2-amino-5- bromophenyl)amino]cyclohexanol (1 .565 g, 5.49 mmol, 79 % yield) as a white foamy solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1 .07 - 1 .37 (m, 4 H) 1.83 (d, J=1 1.12 Hz, 2 H) 1 .93 (d, J=12.00 Hz, 2 H) 3.03 - 3.20 (m, 1 H) 3.36 - 3.48 (m, 1 H) 4.36 (d, J=7.51 Hz, 1 H) 4.55 (d, J=4.29 Hz, 1 H) 4.60 - 4.73 (m, 2 H) 6.38 - 6.51 (m, 3 H); ES LC-MS m/z =285.2 (Br79, M+H)+; ES LC-MS m/z =287.2 (Br81 , M+H)+.
Step C
trans-4-(2-amino-6-bromo- 1 H-benzimidazol-1-yl)cyclohexanol
Figure imgf000250_0001
[00352] A solution of trans-4-[(2-amino-5-bromophenyl)amino]cyclohexanol (1.56 g, 5.47 mmol) in MeOH (10 mL) was treated with cyanogen bromine (1 .159 g, 10.94 mmol). The reaction mixture was maintained at room temperature for 2 h, then partitioned between EtOAc (100 mL) a sat. NaHC03 solution (100 mL) and water (20 mL). The organic layer was washed with a sat. NaCI solution and concentrated to obtain trans-4-(2-amino-6-bromo-1 H- benzimidazol-1 -yl)cyclohexanol (1 .44 g, 4.64 mmol, 85 % yield) as an off-white solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 1 .27 - 1 .50 (m, 2 H) 1.66 (d, J=11.13 Hz, 2 H) 1.93 (d, J=10.35 Hz, 2 H) 2.04 - 2.26 (m, 2 H) 3.66 (d, J=3.91 Hz, 1 H) 4.07 - 4.24 (m, 1 H) 4.67 (d, J=4.10 Hz, 1 H) 6.52 (s, 2 H) 7.03 (s, 2 H) 7.49 (s, 1 H); ES LC-MS m/z =310.3 (Br79, M+H)+; ES LC-MS m/z =312.6 (Br81 , M+H)+.
Step D
N-[5-[2-amino-1-(trans-4-hydroxycyclohexyl)-1H-benzimidazol-6-yl]-2-(methyl^^
Figure imgf000251_0001
[00353J A degassed mixture of trans-4-(2-amino-6-bromo-1 H-benzimidazol-1- yl)cyclohexanol (56 mg, 0.181 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4l4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (70 mg, 0.164 mmol), Pd(dppf)2CI2 CH2CI2 adduct (13.41 mg, 0.016 mmol) and potassium acetate (48.4 mg, 0.493 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a few drops of MeOH, then filtered through a plug of Celite®. The filtrate was concentrated. The residue was dissolved in DMF (1 mL) and purified by HPLC (10-50% CH3CN/H20, both containing 0.1% formic acid) to obtain N-[5-[2-amino-1-(trans-4-hydroxycyclohexyl)-1 H-benzimidazol-6-yl]-2- (methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide formic acid salt (44 mg, 0.083 mmol, 50.6 % yield) as a grey solid:1H NMR (400 MHz, DMSO-d6) δ ppm 1.33 - 1.53 (m, 2 H) 1.71 (d, J=10.75 Hz, 2 H) 1.96 (d, J=10.36 Hz, 2 H) 2.14 - 2.38 (m, 2 H) 3.58 - 3.77 (m, 4 H) 4.13 - 4.31 (m, 1 H) 4.66 (br. s., 1 H) 6.51 (br. s., 2 H) 7.06 - 7.15 (m, 1 H) 7.15 - 7.24 (m, 2 H) 7.48 (s, 1 H) 7.51 - 7.63 (m, 1 H) 7.68 - 7.83 (m, 2 H) 8.14 (s, 1 H) 8.26 (d, J=2.05 Hz, 1 H); ES LC-MS m/z =530.2 (M+H)+.
Example 145
N-[5-{2-amino-1-[(1S)-1-phenylethyl]-1H-benzimidazo 6-yl}-2-(methyl^^
difluorobenzenesulfonamide formic acid salt
Figure imgf000251_0002
Step A
5-bromo-2-nitro-N-[(1S)-1-phenylethyl]aniline
Figure imgf000252_0001
[00354] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), (1S)-1- phenylethanamine (1.102 g, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated to obtain an orange oil, which later crystallized to obtain 5-bromo-2-nitro-N- [(1 S)-1-phenylethyl]aniline (2.99 g, 9.31 mmol, 102 % yield) as an orange solid: 1H NMR (400 MHz, DMSO-de) δ ppm 1.54 (d, 3 H) 4.95 (quin, J=6.71 Hz, 1 H) 6.83 (dd, J=9.12, 2.00 Hz, 1 H) 7.03 (d, J=1.95 Hz, 1 H) 7.23 - 7.30 (m, 1 H) 7.32 - 7.40 (m, 2 H) 7.40 - 7.46 (m, 2 H) 8.00 (d, J=9.07 Hz, 1 H) 8.31 (d, =6.73 Hz, 1 H).
Step B
( 2-amino-5-bro -phenylethyljamine
Figure imgf000252_0002
[00355] To a bright yellow solution of 5-bromo-2-nitro-N-[(1S)-1-phenylethyl]aniline (2.99 g, 9.31 mmol) in EtOH (100 mL) was added a solution of sodium dithionate (15.35 g, 74.5 mmol) in H20 (80 mL). The reaction mixture was stirred at room temperature for 3 h. The resulting pale yellow slurry was filtered. The filtrate was concentrated, the residue was partitioned between EtOAc (100 mL) and water (50 mL). The organic layer was washed with a sat. NaCI solution (50 mL) and concentrated. The residue was dissolved in CH2CI2 and purified by column chromatography (silica gel, 0-100% EtOAc/hexane) to obtain (2-amino-5- bromophenyl)[(1 S)-1 -phenylethyljamine (1.79 g, 6.15 mmol, 66.0 % yield) as a light brown oil: H NMR (400 MHz, DMSO-d6) δ ppm 1.44 (d, 3 H) 4.46 (quin, J=6.59 Hz, 1 H) 4.86 (s, 2 H) 5.15 (d, J=6.34 Hz, 1 H) 6.20 (s, 1 H) 6.43 (s, 2 H) 7.12 - 7.24 (m, 1 H) 7.24 - 7.45 (m, 4 H); ES LC- MS m/z =291.2 (Br79, M+H)+; ES LC-MS m/z =293.2 (Br81, M+H)+. Step C
6-bromo-1-[( 1 S)- imidazol-2-
Figure imgf000253_0001
[00356] A solution of (2-amino-5-bromophenyl)[(1 S)-1-phenylethyl]amine (1.79 g, 6.15 mmol) in MeOH (10 ml.) was treated with cyanogen bromine (1.302 g, 12.29 mmol). The reaction mixture was maintained at room temperature for 2 h, then partitioned between EtOAc (100 ml_), a sat. NaHC03 solution (100 mL) and water (20 ml_). The organic layer was washed with a sat. NaCI solution and concentrated to obtain 6-bromo-1-[(1S)-1-phenylethyl]-1 H- benzimidazol-2-amine (1.45 g, 4.59 mmol, 74.6 % yield) as a beige solid: 1H NMR (400 MHz, DMSO-de) δ ppm 1 .79 (d, 3 H) 5.78 (q, J=6.94 Hz, 1 H) 6.64 - 6.83 (m, 3 H) 6.95 - 7.03 (m, 1 H) 7.03 - 7.1 1 (m, 1 H) 7.24 - 7.35 (m, 3 H) 7.35 - 7.45 (m, 2 H); ES LC-MS m/z =316.6 (Br79, M+H)+; ES LC-MS m/z =318.6 (Br81, M+H)+.
Step D
N-[5-{2-amino-1-[(1 S)- 1-phenylethyl]- 1H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2, 4-
Figure imgf000253_0002
[00357] A degassed mixture of 6-bromo-1-[(1S)-1-phenylethyl]-1 H-benzimidazol-2-amine (57.1 mg, 0.181 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan- 2-yl)-3-pyridinyl]benzenesulfonamide (70 mg, 0.164 mmol), Pd(dppf)2CI2 CH2CI2 adduct (13.41 mg, 0.016 mmol) and potassium acetate (48.4 mg, 0.493 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 plus a few drops of MeOH, then filtered through a plug of Celite®. The resulting filtrate was then concentrated. The residue was dissolved in DMF (1 mL) and purified by HPLC (10-50% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-{2-amino-1-[(1 S)-1-phenylethyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)- 3-pyridinyl]-2,4-difluorobenzenesulfonamide formic acid salt (17 mg, 0.032 mmol, 19.33 % yield) as a grey solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 1.87 (d, J=7.04 Hz, 3 H) 3.61 (s, 3 H) 5.83 (q, J=6.94 Hz, 1 H) 6.66 (br. s., 2 H) 6.82 (d, J=1.17 Hz, 1 H) 7.08 (dd, =8.16, 1.51 Hz, 1 H) 7.12 - 7.24 (m, 2 H) 7.24 - 7.44 (m, 5 H) 7.49 - 7.62 (m, 2 H) 7.70 (td, J=8.50, 6.45 Hz, 1 H) 7.96 (d, J=1.76 Hz, 1 H) 8.14 (s, 1 H); ES LC-MS m/z =536.2 (M+H)+.
Example 146
N-[5-[2-amino- 1-(tetrahydro-2H-pyran-4-yl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3- pyridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000254_0001
Step A
(5-bromo-2-nitroph 2H-pyran-4-ylamine
Figure imgf000254_0002
[00358] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), tetrahydro-2H-pyran-4-amine (0.920 g, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 90 min. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated onto Celite® and purified by column chromatography (silica gel, 0-40% EtOAc/hexane) obtain (5-bromo-2-nitrophenyl)tetrahydro-2H-pyran-4-ylamine (2.68 g, 8.90 mmol, 98 % yield) as a yellow solid: H NMR (400 MHz, DMSO-d6) δ ppm 1.45 - 1.67 (m, 2 H) 1.91 (dd, J=12.51 , 1.95 Hz, 2 H) 3.49 (td, J=11.43, 2.05 Hz, 2 H) 3.77 - 4.03 (m, 3 H) 6.84 (dd, J=9.09, 1.95 Hz, 1 H) 7.42 (d, J=1.86 Hz, 1 H) 7.85 - 8.06 (m, 2 H); ES LC-MS m/z =301.4 (Br79, M+H)+; ES LC-MS m/z =303.4 (Br81, M+H)+. Step B
(2-amino-5-bromop 2H-pyran-4-ylamine
Figure imgf000255_0001
[00359] To a bright yellow solution of (5-bromo-2-nitrophenyl)tetrahydro-2H-pyran-4- ylamine (2.68 g, 8.90 mmol) in EtOH (100 mL) was added a solution of sodium dithionate (14.67 g, 71.2 mmol) in H20 (80 mL). The reaction mixture was stirred at room temperature for 17 h. The resulting pale yellow slurry was filtered. The filtrate was concentrated and the residue was partitioned between EtOAc (100 mL) and water (100 mL). The organic layer was washed with a sat. NaCI solution (25 mL) and concentrated. The residue was dissolved in CH2CI2 and purified by column chromatography (silica gel, 0-100% EtOAc/hexane) to obtain (2-amino-5- bromophenyl)tetrahydro-2H-pyran-4-ylamine (1.48 g, 5.46 mmol, 61.3 % yield): 1H NMR (400 MHz, DMSO-de) δ ppm 1.29 - 1.48 (m, 2 H) 1.87 (dd, J=12.63, 1.80 Hz, 2 H) 3.36 - 3.50 (m, 2 H) 3.86 (dt, J=1 1.24, 3.11 Hz, 2 H) 4.49 (d, J=7.71 Hz, 1 H) 4.71 (s, 2 H) 6.43 - 6.48 (m, 1 H) 6.48 - 6.53 (m, 1 H) 6.55 (d, J=2.05 Hz, 1 H) ES LC-MS m/z =271.4 (Br79, M+H)+; ES LC-MS m/z =273.4 (Br81, M+H)+.
Step C
6-bromo- 1-(tetrahydr -2H-pyran-4-yl)- 1 H-benzimidazol-2-amine
Figure imgf000255_0002
[00360] A solution of (2-amino-5-bromophenyl)tetrahydro-2H-pyran-4-ylamine (1.48 g, 5.46 mmol) in MeOH (10 mL) was treated with cyanogen bromine (1.156 g, 10.92 mmol). The reaction mixture was maintained at room temperature for 2 h. The resulting slurry was filtered and the solid was washed with Et20. More solid precipitated in the filtrate which was filtered again. Solids were combined to obtain 6-bromo-1-(tetrahydro-2H-pyran-4-yl)-1 H-benzimidazol- 2-amine (1.45 g, 3.85 mmol, 70.5 % yield) as a pink solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.81 (d, J=11.32 Hz, 2 H) 2.36 (qd, J=12.03, 4.19 Hz, 2 H) 3.49 (t, J=11.56 Hz, 2 H) 4.04 (dd, J=11.17, 3.37 Hz, 2 H) 4.73 (t, J=12.10 Hz, 1 H) 7.32 - 7.40 (m, 1 H) 7.40 - 7.49 (m, 1 H) 7.87 (s, 1 H) 8.79 (s, 2 H) 12.78 (br. s., 1 H); ES LG-MS m/z =296.3 (Br79 Br79, M+H)+; ES LC-MS m/z =298.3 (Br81, M+H)+.
Step D
N-[5-[2-amino- 1 -(tetrahydro-2H-pyran-4-yl)- 1H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2, 4- difluorobenzenesulfonamide
Figure imgf000256_0001
[00361] A degassed mixture of 6-bromo-1-(tetrahydro-2H-pyran-4-yl)-1 H-benzimidazol-2- amine (61.9 mg, 0.164 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (70 mg, 0.164 mmol), Pd(dppf)2CI2 CH2CI2 adduct (13.41 mg, 0.016 mmol) and potassium acetate (48.4 mg, 0.493 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of CeliteO.The filtrate was concentrated onto silica gel and purified by column chromatography (silica gel, 0-20% MeOH/EtOAc) to obtain N-[5-[2-amino-1- (tetrahydro-2H-pyran-4-yl)-1 H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide (32 mg, 0.059 mmol, 35.9 % yield) as a white solid: H NMR (400 MHz, DMSO-d6) δ ppm 1.72 (d, J=9.58 Hz, 2 H) 2.36 - 2.48 (m, 2 H) 3.43 - 3.58 (m, 2 H) 3.64 (s, 3 H) 4.05 (dd, J=11.04, 3.91 Hz, 2 H) 4.41 - 4.59 (m, 1 H) 6.55 (br. s., 2 H) 7.12 - 7.18 (m, 1 H) 7.18 - 7.26 (m, 2 H) 7.43 (s, 1 H) 7.52 - 7.68 (m, 1 H) 7.71 - 7.86 (m, 2 H) 8.26 (d, J=1.95 Hz, 1 H) 10.33 (br. s., 1 H); ES LC-MS m/z =516.4 (M+H)+.
Example 147
N-[5-{2-amino-1-[3-(4-morpholinylmethyl)phenyl]-1H-benzimidazol-6-yl}-2-^^
pyridinyl]-2,4-difluorobenzenesulfonamide formic acid salt
Figure imgf000257_0002
[00362] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), 3-(4- morpholinylmethyl)aniline (1.748 g, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 5 h. The resulting mixture was allowed to cool to room
temperature, diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated onto Celite® and purified by column chromatography (silica gel, 0-100% EtOAc/hexane) to obtain 5-bromo-N-[3-(4-morpholinylmethyl)phenyl]-2-nitroaniline (1 .71 g, 4.36 mmol, 48.0 % yield) as an orange solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 2.27 - 2.45 (m, 4 H) 3.49 (s, 2 H) 3.58 (t, J=4.54 Hz, 4 H) 7.02 (dd, =9.09, 2.05 Hz, 1 H) 7.15 - 7.26 (m, 3 H) 7.30 (s, 1 H) 7.37 - 7.44 (m, 1 H) 7.97 - 8.12 (m, 1 H) 9.49 (s, 1 H); ES LC-MS m/z =392.4 (Br79, M+H)+; ES LC-MS m/z =394.4 (Br81, M+H)+.
Step B
-5-brom ethyl)phenyl]amine
Figure imgf000257_0003
[00363] To a bright yellow solution of 5-bromo-N-[3-(4-morpholinylmethyl)phenyl]-2- nitroaniline (1.71 g, 4.36 mmol) in EtOH (50 mL) was added a solution of sodium dithionate (7.19 g, 34.9 mmol) in H20 (40 mL). The reaction mixture was stirred at room temperature for 17 h. The resulting pale yellow slurry was filtered and the filtrate was concentrated. The residue was partitioned between EtOAc (100 mL) and water (50 mL). The organic layer was washed with a sat. NaCI solution (50 mL) and concentrated. The residue was dissolved in CH2CI2 and purified by column chromatography (silica gel, 0-100% EtOAc/hexane) to obtain (2-amino-5- bromophenyl)[3-(4-morpholinylmethyl)phenyl]amine (450 mg, 1.242 mmol, 28.5 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 2.34 (br. s., 4 H) 3.34 - 3.39 (m, 2 H) 3.57 (t, J=4.49 Hz, 4 H) 4.94 (s, 2 H) 6.63 - 6.71 (m, 3 H) 6.81 (s, 1 H) 6.91 (dd, J=8.49, 2.24 Hz, 1 H) 7.06 (d, J=2.24 Hz, 1 H) 7.1 1 (t, =7.76 Hz, 1 H) 7.22 (s, 1 H); ES LC-MS m/z =362.4 (Br79, M+H)+; ES LC-MS m/z =364.4 (Br81, M+H)+.
Step C
6-bromo- 1 -[3-(4-mo enzimidazol-2-amine
[00364] A solution of (2-amino-5-bromophenyl)[3-(4-morpholinylmethyl)phenyl]amine (447 mg, 1.234 mmol) in MeOH (10 mL) was treated with cyanogen bromine (261 mg, 2.468 mmol). The reaction mixture was stirred at room temperature for 3 days. The resulting mixture was partitioned between EtOAc (100 mL), a sat. NaHC03 solution (100 mL) and water (20 mL). The organic layer was concentrated. The residue was dissolved in CH2CI2 and purified by column chromatograpy (silica gel, 0-40% MeOH/EtOAc) to obtain 6-bromo- 1-[3-(4- morpholinylmethyl)phenyl]-1 H-benzimidazol-2-amine (100 mg, 0.258 mmol, 20.93 % yield) as a grey solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 2.45 (d, J=1.95 Hz, 4 H) 3.53 - 3.63 (m, 6 H) 6.46 (s, 2 H) 6.89 (d, J=1.27 Hz, 1 H) 7.13 - 7.16 (m, 2 H) 7.34 - 7.42 (m, 2 H) 7.45 (d, J=7.71 Hz, 1 H) 7.53 - 7.60 (m, 1 H) ES LC-MS m/z =387.2 (Br79, M+H)+; ES LC-MS m/z =389.2 (Br81, M+H)+.
Step D
N-[5-{2-amino-1-[3-(4-morpholinylmethyl)phenyl]-1H-benzimidazol-6-yl}-2-(meth^^
pyridinyl]-2,4-difluorobenzenesulfonamide formic acid salt
Figure imgf000259_0001
[00365] A degassed mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5l5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (66.0 mg, 0.155 mmol), 6-bromo-1-[3-(4- morpholinylmethyl)phenyl]-1 H-benzimidazol-2-amine (60 mg, 0.155 mmol), Pd(dppf)2CI2 CH2CI2 adduct (12.65 mg, 0.015 mmol) and potassium acetate (45.6 mg, 0.465 mmol) in 1 ,4-dioxane (2 ml) and water (0.5 ml_) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and filtered through a plug of Celite®. The filtrate was concentrated onto silica gel and purified by column chromatography (silica gel, 0-20% MeOH/EtOAc) to obtain N-[5-{2-amino-1-[3-(4- morpholinylmethyl)phenyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide formic acid salt (44 mg, 0.069 mmol, 44.5 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 2.37 - 2.47 (m, 4 H) 3.51 - 3.64 (m, 9 H) 6.43 (br. s., 2 H) 6.95 (s, 1 H) 7.12 (br. s., 1 H) 7.25 (s, 1 H) 7.27 - 7.34 (m, 1 H) 7.34 - 7.64 (m, 6 H) 7.64 - 7.75 (m, 2 H) 8.15 (br. s., 1 H) 10.25 (br. s., 1 H); ES LC-MS m/z =607.4 (M+H)+.
Example 148
N-[5-{2-amino-1-l3-(4-morpholinyl)propyl]-1H-benzimidazol-6-yl}-2-(m
pyridinyl]-3-pyridinesulfonamide formic acid salt
Figure imgf000259_0002
[00366] A degassed mixture of {6-(methyloxy)-5-[(3-pyridinylsulfonyl)amino]-3- pyridinyljboronic acid (57.4 mg, 0.186 mmol), 6-bromo-1-[3-(4-morpholinyl)propyl]-1 H- benzimidazol-2-amine (63 mg, 0.186 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.17 mg, 0.019 mmol) and potassium acetate (54.7 mg, 0.557 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was partitioned between water and EtOAc. The resulting slurry was filtered. The solid was dissolved in DMF, filtered and purified by HPLC (10-50% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-{2-amino-1-[3-(4-morpholinyl)propyl]-1 H- benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-3-pyridinesulfonamide formic acid salt (25 mg, 0.048 mmol, 25.7 % yield) as a grey solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 2.01 (br. s., 2 H) 2.54 - 2.95 (m, 6 H) 3.56 (s, 7 H) 4.23 (t, J=6.10 Hz, 2 H) 7.40 - 7.53 (m, 2 H) 7.63 (dd, J=8.00, 4.88 Hz, 1 H) 7.80 (s, 1 H) 7.95 (d, J=1.07 Hz, 1 H) 8.10 (d, J=8.00 Hz, 1 H) 8.14 (s, 1 H) 8.36 (d, J=1.27 Hz, 1 H) 8.54 (br. s., 2 H) 8.74 - 8.91 (m, 2 H) 10.37 (br. s., 1 H); ES LC-MS m/z =524.3 (M+H)+.
Example 149
N-[5-(2-am\no-^-{[4-(d met y\am' o)tetra ydro-2H-pyran-4-y\]
yl)-2-(methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000260_0001
Step A
(5-bromo-2-nitrophenyl){[4-(dimethylamino)tetrahydro-2H^yran-4-yl]m
Figure imgf000260_0002
[00367] A mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2.82 g, 12.83 mmol),4- (aminomethyl)-N,N-dimethyltetrahydro-2H-pyran-4-amine (2.03 g, 12.83 mmol) and K2C03 (3.55 g, 25.7 mmol) in DMF (20 mL) was maintained at room temperature for 3 days. The resulting mixture was partitioned between water (100 mL) and EtOAc (100 mL). The organic layer was washed with a 5% aq. LiCI solution (2x100 mL) and concentrated to obtain 4-(((5- bromo-2-nitrophenyl)amino)methyl)-N,N-dimethyltetrahydro-2H-pyran-4-amine (3.95 g, 11.03 mmol, 86 % yield): 1H NMR (400 MHz, DMSO-cfe) δ ppm 1.39 (d, J=13.27 Hz, 2 H) 1.81 (ddd, .7=13.54, 10.95, 4.78 Hz, 2 H) 2.21 - 2.28 (m, 6 H) 3.48 - 3.63 (m, 4 H) 3.72 (dt, J=11.41 , 3.95 Hz, 2 H) 6.82 (dd, J=9.12, 2.00 Hz, 1 H) 7.45 (d, =2.05 Hz, 1 H) 7.97 (d, J=9.17 Hz, 1 H) 8.52 (t, J=4.00 Hz, 1 H); ES LC- S m/z =358.3 (Br79, M+H)+; ES LC-MS m/z =360.3 (Br81, M+H)+.
Step B
(2-amino-5-bromophenyl){[4-(dimethylamino)tetrahydro-2H-pyran-4-yl]methyl}amine
Figure imgf000261_0001
[00368] A solution of 4-(((5-bromo-2-nitrophenyl)amino)methyl)-N,N-dimethyltetrahydro- 2H-pyran-4-amine (3.95 g, 11.03 mmol) in EtOH (150 mL) was added a solution of sodium dithionate (18.18 g, 88 mmol) in water (80 mL). The reaction mixture was maintained at room temperature overnight. The resulting slurry was filtered, solid washed with EtOH. The filtrate was concentrated to about 60 mL, its pH adjusted to basic using solid K2C03, then extracted with EtOAc (150 mL). The organic layer was washed with a sat. NaCI solution (100 mL) and concentrated. The residue was triturated using CH2CI2 to obtain 5-bromo-N1-((4- (dimethylamino)tetrahydro-2H-pyran-4-yl)methyl)benzene-1 ,2-diamine (1.76 g, 5.36 mmol, 48.6 % yield): ES LC-MS m/z =328.0 (Br79, M+H)+ ; ES LC-MS m/z =330.0 (Br81, M+H)+.
Step C
6-bromo-1-{[4-(dimethylamino)tetrahydro-2H-pyran-4'yl]methyl}-1H-benzimidazol-2-
Figure imgf000261_0002
[00369] A solution of (2-amino-5-bromophenyl){[4-(dimethylamino)tetrahydro-2H-pyran-4- yl]methyl}amine (1.76 g, 5.36 mmol) in MeOH (20 mL) was treated with cyanogen bromine (0.625 g, 5.90 mmol). The reaction mixture was maintained at room temperature overnight. The resulting mixture was diluted with EtOAc (100 mL), washed with a sat. NaHC03 solution and a sat. NaCI solution. The organic layer was concentrated and the residue was triturated using CH2CI2 to obtain 6-bromo-1-{[4-(dimethylamino)tetrahydro-2H-pyran-4-yl]methyl}-1 H- benzimidazol-2-amine (1.078 g, 3.05 mmol, 56.9 % yield) as a white solid: H NMR (400 MHz, DMSO-de) δ ppm 1.12 - 1.28 (m, 2 H) 1.87 (d, J=13.58 Hz, 2 H) 2.40 (s, 6 H) 3.41 - 3.51 (m, 2 H) 3.51 - 3.63 (m, 2 H) 3.99 (s, 2 H) 6.61 (s, 2 H) 7.05 (s, 2 H) 7.34 (s, 1 H); ES LC-MS m/z =353.4 (Br79, M+H)+; ES LC-MS m/z =355.4 (Br81, M+H)+.
Step D
N-(5-(2-amino-1-{[4-(dimethylamino)tetrahydro-2H^yran-4-yl]meth
(me amide
Figure imgf000262_0001
[00370] A degassed mixture of 6-bromo-1-{[4-(dimethylamino)tetrahydro-2H-pyran-4- yl]methyl}-1 H-benzimidazol-2-amine (58.0 mg, 0.164 mmol), 2,4-difluoro-N-[2-(methyloxy)-5- (4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (70 mg, 0.164 mmol), Pd(dppf)2CI2 CH2CI2 adduct (13.41 mg, 0.016 mmol) and potassium acetate (48.4 mg, 0.493 mmol) in 1 ,4-dioxane (2 ml.) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated.The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of CeliteO.The filtrate was concentrated onto silica gel and purified by column chromatography (silica gel, 0- 20% MeOH/EtOAc) to obtain N-[5-(2-amino-1-{[4-(dimethylamino)tetrahydro-2H-pyran-4- yl]methyl}-1 H-benzimidazol-6-yl)-2-(methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide (14 mg, 0.023 mmol, 14.29 % yield) as a white solid: H NMR (400 MHz, DMSO-d6) δ ppm 1.19 - 1.33 (m, 2 H) 1.91 (m, J=5.85 Hz, 2 H) 2.43 (s, 6 H) 3.47 (d, J=10.63 Hz, 2 H) 3.57 (s, 2 H) 3.63 (s, 3 H) 4.08 (s, 2 H) 6.63 (br. s., 2 H) 7.10 - 7.25 (m, 3 H) 7.37 (s, 1 H) 7.50 - 7.63 (m, 1 H) 7.74 (td, J=8.49, 6.44 Hz, 1 H) 7.82 (d, J=2.24 Hz, 1 H) 8.26 (d, J=1.66 Hz, 1 H) 10.32 (br. s., 1 H); ES LC-MS m/z =573.5 (M+H)+.
Example 150
N-[5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(methyto^
pyridinyl]-3-pyridinesulfonamide formic acid salt
Figure imgf000263_0001
[00371] A degassed mixture of {6-(methyloxy)-5-[(3-pyridinylsulfonyl)amino]-3- pyridinyljboronic acid (60 mg, 0.194 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (72.5 mg, 0.194 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.85 mg, 0.019 mmol) and potassium acetate (57.2 mg, 0.582 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of Celite®. The filtrate was concentrated. The residue was dissolved in DMF, filtered and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-{2-amino-1 -[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-3- pyridinesulfonamide formic acid salt (25 mg, 0.043 mmol, 22.17 % yield): 1H NMR (400 MHz, DMSO-d6) δ ppm 3.19 - 3.29 (m, 4 H) 3.55 (s, 3 H) 3.73 - 3.83 (m, 4 H) 6.70 (br. s., 2 H) 6.89 (s, 1 H) 7.18 (d, =8.98 Hz, 2 H) 7.23 - 7.34 (m, 2 H) 7.38 (d, J=8.88 Hz, 2 H) 7.56 (dd, =8.05, 4.83 Hz, 1 H) 7.66 (d, J=2.24 Hz, 1 H) 8.05 (dt, J=8.05, 1.88 Hz, 1 H) 8.16 (s, 1 H) 8.18 (d, J=2.24 Hz, 1 H) 8.77 (dd, J=4.78, 1 .37 Hz, 1 H) 8.83 (d, J=2.15 Hz, 1 H) 10.29 (br. s., 1 H); ES LC-MS m/z =558.4 (M+H)+.
Example 151
N-[5-(2-amino-1-methyl-1H-benzimidazol-6-yl)-2-(methyloxy)-3-pyridm^
Figure imgf000263_0002
Step A
5-bromo-N-[2-(4-morpholinyl)cyclopentyl]-2-nitroaniline
Figure imgf000264_0001
[00372] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), 2-(4- morpholinyl)cyclopentanamine (1.548 g, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated. The residue was dissolved in CH2CI2 and purified by column chromatography (silica gel, 0-100% EtOAc/hexane) to obtain 5-bromo-N-[2-(4- morpholinyl)cyclopentyl]-2-nitroaniline (2.23 g, 6.02 mmol, 66.3 % yield) as an orange solid: H N MR (400 MHz, DMSO-d6) δ ppm 1.48 (dq, J=12.63, 6.32 Hz, 1 H) 1.54 - 1.72 (m, 3 H) 1.74 - 1.86 (m, 1 H) 2.05 - 2.20 (m, 1 H) 2.36 - 2.47 (m, 4 H) 2.76 - 2.87 (m, 1 H) 3.48 - 3.66 (m, 4 H) 3.99 (quin, J=6.56 Hz, 1 H) 6.85 (dd, J=9.12, 1.71 Hz, 1 H) 7.54 (d, J=1.56 Hz, 1 H) 7.98 (d, J=9.07 Hz, 1 H) 8.04 - 8.18 (m, 1 H); ES LC-MS m/z =370.4 (Br79, M+H)+; ES LC-MS m/z =372.4 (Br81, M+H)+.
Step B
(2-amino-5-bro cyclopentyl]amine
Figure imgf000264_0002
[00373] To a bright yellow solution of 5-bromo-N-[2-(4-morpholinyl)cyclopentyl]-2- nitroaniline (2.32 g, 6.27 mmol) in EtOH (100 mL) was added a solution of sodium dithionate (10.33 g, 50.1 mmol) in H20 (80 mL). The reaction mixture was stirred at room temperature for 2 h. The resulting pale yellow slurry was filtered. The filtrate was concentrated to about 100 mL, then partitioned between EtOAc (100 mL) and water (50 mL). The organic layer was washed with a sat. NaCI solution (50 mL) and concentrated to obtain (2-amino-5-bromophenyl)[2-(4- morpholinyl)cyclopentyl]amine (1.39 g, 4.09 mmol, 65.2 % yield) as a white solid: ES LC-MS m/z =340.3 (Br79, M+H)+; ES LC-MS m/z =342.3 (Br81, M+H)+. Step C
6-bromo-1-[2-(4-morph enzimidazol-2-
Figure imgf000265_0001
[00374] A solution of racemic (2-amino-5-bromophenyl)[2-(4- morpholinyl)cyclopentyl]amine (1.39 g, 4.09 mmol) in MeOH (10 mL) was treated with cyanogen bromine (0.865 g, 8.17 mmol). The reaction mixture was maintained at room temperature for 2 h. The resulting mixture was partitioned between EtOAc (100 mL), a sat. NaHC03 solution (100 mL) and water (20 mL). The organic layer was washed with a sat. NaCI solution and concentrated. The residue was dissolved in CH2CI2 and purified by column chromatograpy (silica gel, 0-20% MeOH/EtOAc) to obtain 6-bromo-1-[2-(4-morpholinyl)cyclopentyl]-1 H- benzimidazol-2-amine (782 mg, 2.141 mmol, 52.4 % yield) as a white solid: 1H NMR (400 MHz, DMSO-de) δ ppm 1.57 - 1.76 (m, 2 H) 1.78 - 1.93 (m, 1 H) 1.93 - 2.11 (m, 3 H) 2.31 (m, .7=15.47, 15.47, 11.19, 4.29 Hz, 4 H) 3.39 - 3.56 (m, 5 H) 4.62 (q, J=8.98 Hz, 1 H) 6.59 (s, 2 H) 7.06 (s, 2 H) 7.32 (s, 1 H); ES LC-MS m/z =365.3 (Br79, M+H)+; ES LC-MS m/z =367.3 (Br81, M+H)+.
Step D
N-[ 5-(2-amino- 1 -methyl- 1 H-benzimidazol-6-yl)-2-(methyloxy)-3-pyridinyl]-2, 4- difluorobenzenesulfonamide
Figure imgf000265_0002
[00375] A degassed mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (70.0 mg, 0.164 mmol), 6-bromo-1-[2-(4- morpholinyl)cyclopentyl]-1 H-benzimidazol-2-amine (60 mg, 0.164 mmol), Pd(dppf)2CI2 CH2CI2 adduct (13.41 mg, 0.016 mmol) and potassium acetate (48.4 mg, 0.493 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of Celite®. The filtrate was concentrated. The residue was dissolved in DMF, filtered and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-{2-amino-1-[2-(4-morpholinyl)cyclopentyl]-1 H- benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide formic acid salt (47 mg, 0.066 mmol, 40.2 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.61 - 1.78 (m, 2 H) 1.82 - 1.98 (m, 1 H) 2.06 (dd, J=19.90, 7.61 Hz, 3 H) 2.26 - 2.43 (m, 4 H) 3.41 - 3.54 (m, 4 H) 3.54 - 3.73 (m, 4 H) 4.68 (q, J=8.91 Hz, 1 H) 6.56 (br. s., 2 H) 7.11 - 7.25 (m, 3 H) 7.31 (s, 1 H) 7.51 - 7.60 (m, 1 H) 7.70 - 7.81 (m, 2 H) 8.14 (s, 2 H) 8.20 - 8.28 (m, 1 H); ES LC- MS m/z =585.5 (M+H)+.
Example 152
N-[5-[2-amino-1-(1,1-dimethylethyl)-1H-benzimidazol-6-yl]-2-(methyfoxy
pyridinesulfonamide
Figure imgf000266_0001
[00376] A degassed mixture of N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]-3-pyridinesulfonamide (88 mg, 0.224 mmol), 6-bromo-1-(1 ,1- dimethylethyl)-1 H-benzimidazol-2-amine (60 mg, 0.224 mmol), Pd(dppf)2CI2 CH2CI2 adduct (18.27 mg, 0.022 mmol) and potassium acetate (65.9 mg, 0.671 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, filtered through a plug of Celite®.The filtrate was concentrated. The residue was dissolved in DMF, filtered and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-[2-amino-1-(1 ,1-dimethylethyl)-1 H-benzimidazol-6-yl]-2-(methyloxy)- 3-pyridinyl]-3-pyridinesulfonamide (8 mg, 0.017 mmol, 7.51 % yield) as a grey solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.78 (s, 9 H) 3.61 (s, 3 H) 6.12 (br. s., 2 H) 7.11 - 7.16 (m, 1 H) 7.16 - 7.23 (m, 1 H) 7.55 (s, 1 H) 7.61 (dd, =7.96, 4.74 Hz, 1 H) 7.73 (d, J=2.25 Hz, 1 H) 8.06 - 8.22 (m, 3 H) 8.80 (dd, J=4.74, 1.22 Hz, 1 H) 8.88 (d, J=1.95 Hz, 1 H); ES LC-MS m/z =453.3 (M+H)+. Example 153
N-[5-[2-amino-1-(phenylsulfonyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridi
Figure imgf000267_0001
Step A
l-(phenylsulfonyl imidazol-2-
Figure imgf000267_0002
[00377] A solution of 2-amino benzimidazole (3 g, 22.53 mmol) in acetonitrile (40 mL) and water (4 mL) was treated with sodium hydroxide (1.983 g, 49.6 mmol), after everything was in solution phenyl sulphonyl chloride (3.98 g, 22.53 mmol) was added and the mixture stirred for 4 hours at RT. The reaction was poured into water and the precipitate collected and used directly.ES-LCMS: 274.0 (M+1 ).
Step B
6-iodo- l-(phenyls idazol-2-amine
Figure imgf000267_0003
[00378] A solution of 1-(phenylsulfonyl)-1 H-benzo[d]imidazol-2-amine (4.1 g, 15.00 mmol) in acetic acid (40 mL) was treated with NIS (4.39 g, 19.50 mmol) and the reaction stirred at 55 C for 16 hours. The reaction was poured into a solution of Na2S03 (aq) and the resulting precipitate collected and dried to give the crude product, which was used directly. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.05 (m, 2 H), 7.78 (m, 1 H), 7.56 (m, 2 H), 7.18 (br s, 2 H), 7.12 (m, 2 H), 7.05 (m, 1 H).
Step C
N-[5-[2-amino-1-(phenylsulfonyl)-1H-benzimidazol-6-yl]-2-(methylox
pyridinesulfonamide
Figure imgf000268_0001
[00379] In a dry microwave tube {6-(methyloxy)-5-[(3-pyridinylsulfonyl)amino]-3- pyridinyl}boronic acid (77 mg, 0.249 mmol), 6-iodo-1-(phenylsulfonyl)-1 H-benzimidazol-2-amine (99 mg, 0.249 mmol), potassium acetate (73.3 mg, 0.747 mmol) (dried in oven overnight), Pd(dppf)2CI2 CH2CI2 adduct (20.34 mg, 0.025 mmol) in anh. dioxane (1 mL) was heated in a microwave apparatus at 130 °C for 20 min. The resulting mixture was diluted with water (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were combined, dried (Na2S04), filtered and concentrated. The residue was taken up into DMF and purified by HPLC (0-100% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-[2-amino-1- (phenylsulfonyl)-l H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-3-pyridinesulfonamide (9 mg, 0.016 mmol, 6.26 % yield) as a white solid: H NMR (400 MHz, DMSO-d6) δ ppm 3.62 (s, 3 H) 7.22 (d, J=8.19 Hz, 1 H) 7.32 (s, 2 H) 7.37 (dd, J=8.19, 1.76 Hz, 1 H) 7.60 - 7.71 (m, 3 H) 7.75 - 7.83 (m, 3 H) 8.08 - 8.16 (m, 3 H) 8.28 (d, J=2.34 Hz, 1 H) 8.82 (dd, J=4.83, 1.51 Hz, 1 H) 8.90 (d, J=2.15 Hz, 1 H) 10.31 (s, 1 H); ES LC-MS m/z =537.3 (M+H)+.
Example 154
N-[5-[2-amino-1-(phenylsulfonyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3^yridi
Figure imgf000268_0002
[00380] A degassed mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl- 1 ,3,2-dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (149 mg, 0.35 mmol), Pd(dppf)2Cl2 CH2CI2 adduct adduct (28.6 mg, 0.036 mmol), potassium acetate (103 mg, 1.05 mmol) and 6- iodo-1 -(phenylsulfonyl)-1 H-benzimidazol-2-amine (140 mg, 0.35 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated in a microwave apparatus at 130 °C for 20 min. The reaction mixture was diluted with EtOAc (50 mL) and washed with water (25 mL). The organic layer was dried (Na2S04), filtered and concentrated. The residue was dissolved in DMF, filtered and purified by HPLC (0-100% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-[2- amino-1 -(phenylsulfonyl)-1 H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide (1 1 mg, 0.018 mmol, 10.21 % yield) as a white solid: H NMR (400 MHz, DMSO-d6) δ ppm 3.69 (s, 3 H) 7.21 (d, .7=8.1 1 Hz, 2 H) 7.30 (s, 2 H) 7.48 - 7.61 (m, 1 H) 7.61 - 7.72 (m, 3 H) 7.72 - 7.85 (m, 4 H) 8.02 - 8^28 (m, 3 H) 10.32 (br. s., 1 H); ES LC-MS m/z =572.4 (M+H)+.
Example 155
N-[5-[2-amino-1-(2-phenylethyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3-pyri^
difluorobenzenesulfonamide
Figure imgf000269_0001
[00381] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), 2- phenylethanamine (1 .102 g, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 3 h, then was allowed to cool to room temperature. The resulting mixture was diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated. The residue was triturated with Et20 to obtain 5-bromo-2-nitro- N-(2-phenylethyl)aniline (1 .70 g, 5.29 mmol, 58.2 % yield) as a yellow solid: 1H NMR (400 MHz, DMSO-de) δ ppm 2.93 (t, .7=7.13 Hz, 2 H) 3.57 - 3.66 (m, 2 H) 6.82 (dd, J=9A4, 2.00 Hz, 1 H) 7.18 - 7.25 (m, 1 H) 7.25 - 7.35 (m, 5 H) 7.96 (d, J=9.18 Hz, 1 H) 8.09 - 8.19 (m, 1 H); ES LC- MS m/z =321 .2 (Br79, M+H)+; ES LC-MS m/z =323.2 (Br81, M+H)+.
Step B
(2-amino-5-b nylethyl)amine
Figure imgf000270_0001
[00382] To a bright yellow solution of 5-bromo-2-nitro-N-(2-phenylethyl)aniline (1 .70 g, 5.29 mmol) in EtOH (100 mL) was added a solution of sodium dithionate (8.73 g, 42.3 mmol) in H20 (80 mL). The reaction mixture was stirred at room temperature overnight. The resulting pale yellow slurry was filtered. The filtrate was concentrated to about 100 mL and diluted with EtOAc (100 mL). The organic layer was filtered through a pad of silica gel. The filtrate was concentrated, the residue was dissolved in CH2CI2 and purified by column chromatography (silica gel, 0-20% EtOAc/hexane) to obtain (2-amino-5-bromophenyl)(2-phenylethyl)amine (1.06 g, 3.64 mmol, 68.8 % yield) as a brown oil: 1H NMR (400 MHz, DMSO-cfe) δ ppm 2.88 (t, 2 H) 3.18 - 3.28 (m, 2 H) 4.68 (s, 2 H) 4.79 (t, J=5.33 Hz, 1 H) 6.43 - 6.48 (m, 1 H) 6.48 - 6.55 (m, 2 H) 7.17 - 7.25 (m, 1 H) 7.26 - 7.35 (m, 4 H); ES LC-MS m/z =291.4 (Br79, M+H)+; ES LC-MS m/z =293.4 (Br81 , M+H)+.
Step C
6-bromo-1-(2-phenylethyl)-1H-benzimidazol-2-amine
Figure imgf000271_0001
[00383] A solution of (2-amino-5-bromophenyl)(2-phenylethyl)amine (1.06 g, 3.64 mmol) in MeOH (10 mL) was treated with cyanogen bromine (0.771 g, 7.28 mmol). The reaction mixture was stirred at room temperature for 1 h, and then partitioned between EtOAc (50 mL) and a sat. NaHC03 solution (50 mL). The organic layer was washed with a sat. NaCI solution (50 mL) and concentrated. The residue was dissolved in CH2CI2 and purified by column chromatograpy (silica gel, 0-20% MeOH/EtOAc) to obtain 6-bromo-1-(2-phenylethyl)-1 H- benzimidazol-2-amine (0.94 g, 2.97 mmol, 82 % yield) as a beige solid: 1H NMR (400 MHz, DMSO-d6) δ.ρρπι 2.88 (t, 2 H) 4.18 (t, .7=7.71 Hz, 2 H) 6.58 (s, 2 H) 7.01 (s, 2 H) 7.15 - 7.37 (m, 6 H); ES LC-MS m/z =316.6 (Br79, M+H)+; ES LC-MS m/z =318.6 (Br81, M+H)+.
Step D
N-[5-[2-amino-1-(2-phenylethyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3^y
difluorobenzenesulfonamide
Figure imgf000271_0002
[00384] A degassed mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (80 mg, 0.188 mmol), 6-bromo-1-(2- phenylethyl)-1 H-benzimidazol-2-amine (59.3 mg, 0.188 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.33 mg, 0.019 mmol) and potassium acetate (55.3 mg, 0.563 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was diluted with EtOAc (100 mL) and washed with H20 (50 mL). The organic layer was dried (Na2S0 ) and filtered. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (0-100% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-[2-amino-1-(2-phenylethyl)-1 H- benzimidazol-6-yl]-2-(methyloxy)-3-py dinyl]-2,4-difluorobenzenesulfonamide (55 mg, 0.103 mmol, 54.7 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 2.94 (t, J=7.41 Hz, 2 H) 3.62 (s, 3 H) 4.26 (t,'J=7.51 Hz, 2 H) 6.64 (br. s., 2 H) 7.08 - 7.23 (m, 4 H) 7.23 - 7.39 (m, 5 H) 7.51 - 7.61 (m, 1 H) 7.69 - 7.82 (m, 2 H) 8.14 (s, 1 H) 8.22 (s, 1 H); ES LC-MS m/z =536.5 (M+H)+.
Example 156
N-[5-[2-amino-1-(3^henylpropy -1 -benzimidazol-6-yl]-2-(methyloxy)-3-pyridin
difluorobenzenesulfonamide
Figure imgf000272_0001
Step A
5-bromo- aniline
Figure imgf000272_0002
[00385] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), (3- phenylpropyl)amine (1.229 g, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 3 h, then was allowed to cool to room temperature. The resulting mixture was diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated to obtain 5-bromo-2-nitro-N-(3-phenylpropyl)aniline (2.5 g, 7.46 mmol, 82 % yield) as an orange oil: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.92 (quin, J=7.40 Hz, 2 H) 2.68 (t, J=7.62 Hz, 2 H) 3.33 - 3.41 (m, 2 H) 6.78 - 6.84 (m, 1 H) 7.14 - 7.26 (m, 4 H) 7.26 - 7.32 (m, 2 H) 7.97 (d, J=9.18 Hz, 1 H) 8.20 (t, J=5.57 Hz, 1 H); ES LC-MS m/z =335.2 (Br79, M+H)+; ES LC-MS m/z =337.2 (Br81, M+H)+. Step B
(2-amino-5-bromophenyl)(3-phenylpropyl)
Figure imgf000273_0001
[00386] To a bright yellow solution of 5-bromo-2-nitro-N-(3-phenylpropyl)aniline (2.5 g, 7.46 mmol) in EtOH (100 mL) was added a solution of sodium dithionate (12.30 g, 59.7 mmol) in H20 (80 mL). The reaction mixture was stirred at room temperature overnight. The resulting pale yellow slurry was filtered. The filtrate was concentrated to about 100 mL and diluted with EtOAc (100 mL). The organic layer was filtered through a pad of silica gel to obtain (2-amino-5- bromophenyl)(3-phenylpropyl)amine (1.97 g, 6.45 mmol, 87 % yield) as a brown oil: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.88 (quin, 2 H) 2.70 (t, J=7.66 Hz, 2 H) 2.92 - 3.04 (m, 2 H) 4.63 - 4.76 (m, 3 H) 6.38 (d, J=2.05 Hz, 1 H) 6.42 - 6.47 (m, 1 H) 6.48 - 6.53 (m, 1 H) 7.11 - 7.37 (m, 5 H); ES LC-MS m/z =305.3 (Br79, M+H)+; ES LC-MS m/z =307.3 (Br81, M+H)+.
Step C
6-bromo-1- zol-2-
Figure imgf000273_0002
[00387] A solution of (2-amino-5-bromophenyl)(3-phenylpropyl)amine (1.97 g, 6.45 mmol) in MeOH (10 mL) was treated with cyanogen bromine (1.367 g, 12.91 mmol). The reaction mixture was stirred at room temperature for 1 h. The resulting mixture was partitioned between EtOAc (50 mL) and a sat. NaHC03 solution (50 mL). The organic layer was washed with a sat. NaCI solution (50 mL) and concentrated. The residue was triturated using CH2CI2 to obtain 6- bromo-1-(3-phenylpropyl)-1 H-benzimidazol-2-amine (1.47 g, 4.45 mmol, 69.0 % yield) as a beige solid: H NMR (400 MHz, DMSO-ci6) δ ppm 1.90 (quin, 2 H) 2.57 - 2.65 (m, 2 H) 4.01 (t, J=7.37 Hz, 2 H) 6.59 (s, 2 H) 7.03 (s, 2 H) 7.14 - 7.23 (m, 3 H) 7.24 - 7.32 (m, 3 H); ES LC-MS m/z =330.4 (Br79, M+H)+; ES LC-MS m/z =332.4 (Br81, M+H)+.
Step D
N-[5-[2-amino- 1 -(3-phenylpropyl)- 1 H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2, 4- difluorobenzenesulfonamide
Figure imgf000274_0001
[00388] A degassed mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaboro!an-2-yl)-3-pyridinyl]benzenesulfonamide (80 mg, 0.188 mmol), 6-bromo-1-(3- phenylpropyl)-1 H-benzimidazol-2-amine (62.0 mg, 0.188 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.33 mg, 0.019 mmol) and potassium acetate (55.3 mg, 0.563 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was diluted with EtOAc (50 mL) and washed with H20 (25 mL). The organic layer was dried (Na2S0 ) and filtered. The filtrate was then concentrated. The residue was dissolved in DMF and purified by HPLC (0- 100% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-[5-[2-amino-1-(3- phenylpropyl)-1 H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide (80 mg, 0.146 mmol, 78 % yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.97 (m, J=7.90 Hz, 2 H) 2.59 - 2.70 (m, 2 H) 3.61 (s, 3 H) 4.08 (t, J=7.02 Hz, 2 H) 6.68 (br. s., 2 H) 7.13 - 7.35 (m, 9 H) 7.56 (t, J=9.61 Hz, 1 H) 7.68 - 7.78 (m, 1 H) 7.80 (s, 1 H) 8.14 (d, J=0.98 Hz, 1 H) 8.26 (s, 1 H); ES LC-MS m/z =550.5 (M+H)+.
Example 157
N-(5-(2-amino-1-(2,3-dihydro-1H-inden-1-yl)-1H-benzo[d]imidazol-6-yl)-2-meth^
3-yl)-2,4-difluorobenzenesulfonamide formic acid salt
Figure imgf000274_0002
Step A
(5-bromo-2-nitrop den- 1 -ylamine
Figure imgf000275_0001
[00389] A mixture of 4-bromo-2-fluoro-1 -nitrobenzene (1.35 g, 6.14 mmol), 2,3-dihydro- 1 H-inden-1-amine (0.817 g, 6.14 mmol), and K2C03 (1.696 g, 12.27 mmol) in DMF (10 mL) was maintained at room temperature for 5 days. The resulting mixture was diluted with EtOAc (100 mL) and washed with a 5% aq. LiCI solution (3x100 mL). The organic layer was concentrated to obtain (5-bromo-2-nitrophenyl)2,3-dihydro-1 H-inden-1-ylamine (1.97 g, 5.91 mmol, 96 % yield) as a yellow solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.86 - 1.99 (m, 1 H) 2.61 - 2.72 (m, 1 H) 2.83 - 2.95 (m, 1 H) 2.96 - 3.05 (m, 1 H) 5.40 (q, J=7.22 Hz, 1 H) 6.84 - 6.97 (m, 1 H) 7.20 - 7.40 (m, 4 H) 7.54 (d, J=1.85 Hz, 1 H) 7.98 - 8.07 (m, 1 H) 8.20 (d, 7.61 Hz, 1 H); ES LC-MS m/z =3333.3 (Br79, M+H)+; ES LC-MS m/z =335.2 (Br81, M+H).
Step B
thylamine
Figure imgf000275_0002
[00390] To a bright yellow solution of (5-bromo-2-nitrophenyl)2,3-dihydro-1 H-inden-1- ylamine (1.97 g, 5.91 mmol) in EtOH (50 mL) and THF (50 mL) was added a solution of sodium dithionate (9.75 g, 47.3 mmol) in H20 (40 mL). The reaction mixture was stirred at room temperature overnight. The resulting pale yellow slurry was filtered. The filtrate was partitioned between EtOAc (50 mL) and water (25 mL). The organic layer was washed with a sat. NaCI solution (25 mL) and concentrated. The residue was dissolved in CH2CI2 and purified by column chromatography (silica gel, 0-100% EtOAc/hexane) to obtain (2-amino-5-bromophenyl)2,3- dihydro-1 H-inden-1 -ylamine (1.08 g, 3.56 mmol, 60.2 % yield) as a thick yellow oil: H NMR (400 MHz, DMSO-d6) δ ppm 1 .69 - 1.86 (m, 1 H) 2.51 - 2.57 (m, 1 H) 2.76 - 2.90 (m, 1 H) 2.90 - 3.02 (m, 1 H) 4.76 (s, 2 H) 4.88 - 5.00 (m, 2 H) 6.44 - 6.51 (m, 1 H) 6.51 - 6.60 (m, 1 H) 6.75 (d, =2.05 Hz, 1 H) 7.1 1 - 7.36 (m, 4 H); ES LC-MS m/z =303.3 (Br79, M+Hf; ES LC-MS m/z =305.3 (Br81, M+H)+.
Step C
6-bromo- 1-(2, 3-dihydro 1 H-benzo[d]imidazol-2-amine
Figure imgf000276_0001
[00391] A solution of 5-bromo-N1-(2,3-dihydro-1 H-inden-1-yl)benzene-1 ,2-diamine (1.08 g, 3.56 mmol) in MeOH (10 mL) was treated with cyanogen bromine (0.755 g, 7.12 mmol). The reaction mixture was maintained at room temperature for 3 h, and then partitioned between EtOAc (100 mL) and a sat. NaHC03 solution (100 mL). The organic layer was washed with a sat. NaCI solution (50 mL) and concentrated. The residue was triturated using CH2CI2 to obtain 6-bromo-1 -(2, 3-dihydro-1 H-inden-1 -yl)-1 H-benzo[d]imidazol-2-amine (738 mg, 2.249 mmol, ' 63.1 % yield) as a beige solid: H NMR (400 MHz, DMSO-cfe) δ ppm 3.85 (s, 3 H) 6.58 (s, 2 H) 6.84 (s, 1 H) 7.08 - 7.21 (m, 4 H) 7.35 - 7.45 (m, 2 H); ES LC-MS m/z =328.0 (Br79, M+H)+; ES LC-MS m/z =330.1 (Br81, M+H)+.
Step D
N-(5-(2-amino- 1-(2, 3-dihydro- 1 H-inden-1 -yl)-1H-benzo[d]imidazol-6-yl)-2-methoxypyridin-3-yl)-
2,4- alt
Figure imgf000276_0002
[00392] A degassed mixture of 2,4-difluoro-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (70 mg, 0.164 mmol), 6-bromo-1 -(2,3- dihydro-1 H-inden-1 -yl)-1 H-benzo[d]imidazol-2-amine (53.9 mg, 0.164 mmol), Pd(dppf)2CI2 CH2CI2 adduct (13.41 mg, 0.016 mmol) and potassium acetate (48.4 mg, 0.493 mmol) in 1 ,4- dioxane (2 ml.) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (50 mL) and washed with H20 (50 mL). The organic layer was dried (Na2S04) and filtered. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-70% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-(5-(2-amino-1-(2,3-dihydro-1 H-inden-1-yl)-1 H-benzo[d]imidazol-6-yl)-2- methoxypyridin-3-yl)-2,4-difluorobenzenesulfonamide formic acid salt (33 mg, 0.059 mmol, 36.0 % yield) as a white solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 2.21 - 2.35 (m, 1 H) 2.58 - 2.70 (m, 1 H) 3.04 (s, 1 H) 3.16 - 3.27 (m, 1 H) 3.59 (s, 3 H) 6.09 (s, 1 H) 6.13 - 6.27 (m, 1 H) 6.68 (br. s., 2 H) 6.97 (d, J=7.52 Hz, 1 H) 7.01 - 7.10 (m, 1 H) 7.13 - 7.24 (m, 3 H) 7.34 (t, J=7.38 Hz, 1 H) 7.44 (d, J=7.62 Hz, 3 H) 7.50 - 7.59 (m, 1 H) 7.67 (td, J=8.50, 6.45 Hz, 1 H) 7.72 - 7.82 (m, 1 H) 8.14 (s, 1 H); ES LC-MS m/z =548.4 (M+H)+.
Example 158
N-(5-(2-amin o- 1-((4-(pyrrolidin- 1 -yl) tetrahydro-2H-pyran-4-yl)methyl)- 1 H- benzo[d]imidazo 6-y -2-methoxypyridin-3-yl)-2,4-difluorobenzenesulfonamide formic acid salt
Figure imgf000277_0001
Step A
5-bromo-2-nitro-N-((4- n-4-yl)methyl)an^
Figure imgf000277_0002
[00393] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (1.134 g, 5.16 mmol), (4- (pyrrolidin-1-yl)tetrahydro-2H-pyran-4-yl)methanamine (0.95 g, 5.16 mmol) and K2C03 (1.425 g, 10.31 mmol) in DMF (20 mL) was heated at 90 °C for 2 h.The resulting mixture was allowed to cool to room temperature, diluted with EtOAc (50 mL) and washed with a 5% aq. LiCI solution (3x50 mL). The organic layer was concentrated to obtain 5-bromo-2-nitro-N-((4-(pyrrolidin-1- yl)tetrahydro-2H-pyran-4-yl)methyl)aniline (1.94 g, 5.05 mmol, 98 % yield) as a yellow solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 1.48 (d, 2 H) 1.62 - 1.73 (m, 4 H) 1.73 - 1.86 (m, 2 H) 2.58 - 2.70 (m, 4 H) 3.47 - 3.65 (m, 4 H) 3.67 - 3.78 (m, 2 H) 6.72 - 6.87 (m, 1 H) 7.46 (d, J=1.95 Hz, 1 H) 7.97 (d, =9.17 Hz, 1 H) 8.64 (t, J=3.90 Hz, 1 H); ES LC-MS m/z =384.1 (Br79, M+H)+; ES LC-MS m/z =386.1 (Br81, M+H)+.
Step B
5-bromo-N1-((4-(pyrrolidin-1-yl) methyl)benzene-1,2-diamine
Figure imgf000278_0001
[00394] To a bright orange solution of 5-bromo-2-nitro-N-((4-(pyrrolidin-1-yl)tetrahydro- 2H-pyran-4-yl)methyl)aniline (1.94 g, 5.05 mmol) in EtOH (30 mL) and THF (30 mL) was added a solution of sodium dithionate (8.32 g, 40.4 mmol) in H20 (40 mL). After 5 min the pale yellow slurry was filtered. The filtrate was partitioned between EtOAc (100 mL) and water (50 mL). The organic layer was washed with a sat. NaCI solution (50 mL) and concentrated. The aqueous layers was neutralized with K2C03 and extracted with EtOAc. Combined the two batches and concentrated to obtain 5-bromo-N1-((4-(pyrrolidin-1-yl)tetrahydro-2H-pyran-4- yl)methyl)benzene-1 ,2-diamine (1.47 g, 4.15 mmol, 82 % yield) as a white solid: ES LC-MS m/z =354.3 (Br79, M+H)+; ES LC-MS m/z =356.3 (Br81, M+H)+ .
Step C
6-bromo- 1-((4-(pyrrolidin- 1 -yl)tetrah thyl)- 1 H-benzo[d]imidazol-2-amine:
Figure imgf000278_0002
[00395] A solution of 5-bromo-N1-((4-(pyrrolidin-1-yl)tetrahydro-2H-pyran-4- yl)methyl)benzene-1 ,2-diamine (1.47 g, 4.15 mmol) in MeOH (10 mL) was treated with cyanogen bromine (0.879 g, 8.30 mmol). The reaction mixture was maintained at room temperature for 2 h, and then treated with a sat. NaHC03 solution. The resulting slurry was filtered, solid washed with water to obtain crude 6-bromo-1-((4-(pyrrolidin-1-yl)tetrahydro-2H- pyran-4-yl)methyl)-1 H-benzo[d]imidazol-2-amine: ES LC-MS m/z =379.4 (Br79, M+H)+; ES LC- MS m/z =381 .3 (Br81, M+H)+.
Step D
N-(5-(2-amino-1-((4-(pyrrolidin-1-yl)tetrahydro-2H^yran-4-yl)methyl)-
2-meth acid salt
Figure imgf000279_0001
[00396] A degassed mixture of 2,4-difluoro-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (75 mg, 0.176 mmol), 6-bromo-1-((4- (pyrrolidin-1-yl)tetrahydro-2H-pyran-4-yl)methyl)-1 H-benzo[d]imidazol-2-amine (70.1 mg, 0.185 mmol), Pd(dppf)2CI2 CH2CI2 adduct (14.37 mg, 0.018 mmol) and potassium acetate (51.8 mg, 0.528 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The resulting mixture was diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-(5-(2-amino-1-((4-(pyrrolidin-1-yl)tetrahydro-2H- pyran-4-yl)methyl)-1 H-benzo[d]imidazol-6-yl)-2-methoxypyridin-3-yl)-2,4- difluorobenzenesulfonamide formic acid salt (53 mg, 0.082 mmol, 46.7 % yield) as a white solid: 1H NMR (400 MHz, DMSO-c/6) δ ppm 1.40 (br. s., 2 H) 1.75 (br. s., 6 H) 2.86 (br. s., 4 H) 3.46 - 3.62 (m, 4 H) 3.63 (s, 3 H) 4.18 (br. s., 2 H) 7.21 (td, J=8.54, 2.24 Hz, 1 H) 7.29 (s, 2 H) 7.39 - 7.85 (m, 5 H) 7.87 (d, J=2.24 Hz, 1 H) 8.13 (s, 1 H) 8.31 (d, J=2.24 Hz, 1 H) 9.89 - 10.82 (m, 1 H); ES LC-MS m/z =599.2 (M+H)+.
General Scheme 5
Figure imgf000280_0001
Figure imgf000280_0002
Example 159
N-(5-(2-amino-1-(morphoUnosulfonyl)-1H-be zo[d]imidazol-6-yl)-2-methoxypyridi
2,4-difluorobenzenesulfonamide
Figure imgf000281_0001
Step A
1-(morpholinosulfonyl)-1H-benzo[d]imidazol-2-
Figure imgf000281_0002
[00397] A solution of 1 H-benzo[d]imidazol-2-amine (0.36 g, 2.70 mmol) in CH3CN (10 mL) and water (1 mL) was treated with sodium hydroxide (0.238 g, 5.95 mmol). After everything dissolved morpholine-4-sulfonyl chloride (0.502 g, 2.70 mmol) was added and the mixture was stirred at room temperature overnight. The resulting slurry was filtered, solid washed with CH3CN to obtain 1-(morpholinosulfonyl)-1 H-benzo[d]imidazol-2-amine (557 mg, 1.973 mmol, 73.0 % yield) as a white solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 3.20 - 3.29 (m, 4 H) 3.49 - 3.58 (m, 4 H) 6.91 (s, 2 H) 6.97 - 7.05 (m, 1 H) 7.11 - 7.19 (m, 1 H) 7.19 - 7.27 (m, 1 H) 7.52 (d, =8.00 Hz, 1 H); ES LC-MS m/z =283.07 (M+H)+.
Step B
6-iodo- 1 -(morpho idazol-2-
Figure imgf000282_0001
[00398] A mixture of 1-(morpholinosulfonyl)-1 H-benzo[d]imidazol-2-amine (550 mg, 1.948 mmol) and NIS (482 mg, 2.143 mmol) in AcOH (15 mL) was hetaed at 50 °C for 3 h. The reaction mixture was poured into water. The resulting slurry was filtered, solid washed with water to obtain 6-iodo-1-(morpholinosulfonyl)-1 H-benzo[d]imidazol-2-amine (710 mg, 1.739 mmol, 89 % yield) as a light brown solid: 1H NMR (400 MHz, DMSO-cie) δ ppm 3.23 - 3.31 (m, 4 H) 3.54 - 3.61 (m, 4 H) 7.07 (d, =8.29 Hz, 1 H) 7.14 (br. s., 2 H) 7.47 (dd, J=8.29, 1.56 Hz, 1 H) 7.75 (d, J=1.56 Hz, 1 H); ES LC-MS m/z =409.2 (M+H)+.
Step C
N-(5-(2-amino-1-(morpholinosulfonyl)-1H-benzo[d]imidazol-6-yl)-2-m
Figure imgf000282_0002
[00399] A degassed mixture of 2,4-difluoro-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (79 mg, 0.185 mmol), 6-iodo-1- (morpholinosulfonyl)-1 H-benzo[d]imidazol-2-amine (79 mg, 0.195 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.14 mg, 0.019 mmol) and potassium acetate (18.19 mg, 0.185 mmol) in 1 ,4-dioxane (4 ml.) and water (1 ml.) was heated in a microwave apparatus at 130 °C for 15 min. The resulting mixture was diluted with H20 (50 mL) and extracted with EtOAc (50 ml_) and CH2CI2 (50 mL). The organic layers were filtered through paper. The filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-(5-(2-amino-1-(morpholinosulfonyl)-1 H-benzo[d]imidazol-6-yl)-2- methoxypyridin-3-yl)-2,4-difluorobenzenesulfonamide (21 mg, 0.035 mmol, 19.13 % yield) as a white solid: H NMR (400 MHz, DMSO-d6) δ ppm 3.26 - 3.31 (m, 4 H) 3.57 (br. s., 4 H) 3.66 (s, 3 H) 7.04 (br. s., 2 H) 7.16 - 7.25 (m, 1 H) 7.28 - 7.35 (m, 1 H) 7.35 - 7.42 (m, 1 H) 7.62 (s, 2 H) 7.71 - 7.81 (m, 2 H) 8.25 (br. s., 1 H) 10.29 (s, 1 H); ES LC-MS m/z =581.1 (M+H)+.
General Scheme 6
Figure imgf000283_0001
Figure imgf000283_0002
Example 160
N-(6-(5-(2,4-difluorophenylsulfonamido)-6-methoxypyridin-3-yl)-1H-ben
Figure imgf000284_0001
Step A
5-bromo-N-(tert-butyl)- e-3-sulfonamide
Figure imgf000284_0002
[00400] A deep brown solution of 4-bromo-1 ,2-benzenediamine (4 g, 21.39 mmol) in MeOH (20 mL) was treated with cyanic bromide (2.492 g, 23.52 mmol). The reaction was exothermic, and the methanol began to boil after a few seconds. After 5 minutes the reaction mixture was diluted with EtOAc (100 mL), washed with a sat. NaHC03 solution (100 mL) and a sat. NaCI solution (100 mL). The organic layer was concentrated to a few mL, loaded onto silica cartridge and purified by column chromatography (0-20% MeOH/EtQAc) to obtain 5-bromo-1 H- benzimidazol-2-amine (3.9 g, 18.39 mmol, 86 % yield) as a black solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 6.47 (br. s., 2 H) 6.94 - 7.00 (m, 1 H) 7.01 - 7.06 (m, 1 H) 7.23 (d, J=1.85 Hz, 1 H) 8.70 - 1 1.33 (m, 1 H); ES LC-MS m/z =212.2 (Br79, M+H)+, ES LC-MS m/z =214.2 (Br81, M+H).
Step B
N-(5-bromo acetamide
Figure imgf000285_0001
[00401] A mixture of 5-bromo-1 H-benzimidazol-2-amine (1 g, 4.72 mmol) and Ac20 (8.90 mL, 94 mmol) was stirred at room temperature overnight. The resulting mixture was diluted with water (50 mL) and stirred for 2 h. The resulting slurry was filtered, solid washed with water and hexane to obtain N-(5-bromo-1 H-benzimidazol-2-yl)acetamide (970 mg, 3.82 mmol, 81 % yield) as a light brown solid: 1H NMR (400 MHz, DMSO-cfe) δ ppm 2.13 (s, 3 H) 7.21 (d, J=8.49 Hz, 1 H) 7.29 - 7.48 (m, 1 H) 7.59 (d, J=19.90 Hz, 1 H) 11.61 (s, 1 H) 12.15 (d, J=16.88 Hz, 1 H); ES LC-MS m/z =254.2 (Br79, M+H)+, ES LC-MS m/z =256.2 (Br81, M+H).
Step C
N-(6-(5-(2,4-difluorophenylsulfonamido)-6-methoxypyridin-3-yl)-1H^
yl)acetamide
Figure imgf000285_0002
[00402] A degassed mixture of 2,4-difluoro-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (80 mg, 0.188 mmol), N-(6-bromo-1 H- benzo[d]imidazol-2-yl)acetamide (47.7 mg, 0.188 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.33 mg, 0.019 mmol) and potassium acetate (55.3 mg, 0.563 mmol) in 1 ,4-dioxane (2 mL) and water (.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature then diluted with EtOAc (50 mL) and H20 (50 mL). The organic layer was dried (Na2S04) and filtered, and then the filtrate was concentrated. The residue was dissolved in DMF and purified by HPLC (10-70% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-(6-(5-(2,4- difluorophenylsulfonamido)-6-methoxypyridin-3-yl)-1 H-benzo[d]imidazol-2-yl)acetamide (17 mg, 0.034 mmol, 18.37 % yield) as a white solid: H NMR (400 MHz, DMSO-cfe) δ ppm 2.17 (s, 3 H) 3.66 (s, 3 H) 7.19 (t, J=7.95 Hz, 1 H) 7.23 - 7.38 (m, 1 H) 7.38 - 7.88 (m, 6 H) 8.14 (s, 1 H) 1 1 .58 (br. s., 1 H) 12.08 (br. s., 1 H); ES LC-MS m/z =474.3 (M+H)+.
General Scheme 7
Figure imgf000287_0001
Example 161
N-(5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-y -2-m yl)cyc salt
Figure imgf000288_0001
Step A
2-methoxy-5-(4, 4, 5, 5-tetra rolan-2-yl)pyridin-3-amine
Figure imgf000288_0002
[00403] A degassed mixture of 5-bromo-2-methoxypyridin-3-amine (2 g, 9.85 mmol), 4i4,4',4,,5,5,5',5'-octamethyl-2,2'-bi-1 ,3,2-dioxaborolane (3.00 g, 11.82 mmol), Pd(dppf)2CI2 CH2CI2 adduct (0.804 g, 0.985 mmol) and potassium acetate (3.87 g, 39.4 mmol) in 1 ,4-dioxane (50 mL) was heated at 100 °C for 18 h, then stirred at room temperature over the weekend. The resulting mixture was filtered through pad of Celite® with the aid of EtOAc. The filtrate was concentrated and reevaporated from CH2CI2/hexane. The residue was dissolved in CH2CI2 and purified by column chromatography (silica gel, 0-100% EtOAc/hexane) to obtain 2-methoxy-5- (4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)pyridin-3-amine (3.9 g, 9.36 mmol, 95 % yield) as a light brown solid: H NMR (400 MHz, DMSO-d6) δ ppm 1.26 (s, 12 H) 3.87 (s, 3 H) 4.92 (s, 2 H) 7.12 (d, J=1.46 Hz, 1 H) 7.63 (d, J=1.37 Hz, 1 H); ES LC-MS m/z =251.4 (M+H)+.
Step B
6-(5-amino-6-methoxypyridin-3-yl)-1-(4-morpholinophenyl)-1H-benzo
Figure imgf000289_0001
[00404] A degassed mixture of 2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)aniline (300 mg, 0.723 mmol), 6-bromo-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (270 mg, 0.723 mmol), Pd(dppf)2CI2 CH2CI2 adduct (59.0 mg, 0.072 mmol) and potassium acetate (213 mg, 2.168 mmol) in 1 ,4-dioxane (16 mL) and water (4 mL) was heated in a microwave apparatus at 130 °C for 15 min. The resulting mixture was diluted with H20 (100 mL) and extracted with EtOAc (100 mL) and CH2CI2 (100 mL). The organic layers were filtered through paper, and then the filtrate was concentrated. The residue was triturated using EtOAc to obtain 6-(5-amino-6-methoxypyridin-3-yl)-1 -(4-morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (85 mg, 0.163 mmol, 22.60 % yield) as a dark grey solid. The insoluble solids from the extraction were dissolved in a mixture of MeOH and CH2CI2 and combined with the filtrate from the trituration. The mixture was concentrated onto Celite® and purified by column
chromatography (0-40% MeOH/ CH2CI2) to obtain an additional 6-(5-amino-6-methoxypyridin-3- yl)-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (95 mg, 0.167 mmol, 23.05 % yield): ES LC-MS m/z =417.3 (M+H)+.
Step C
N-(5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)-2-meth
yl) salt
Figure imgf000289_0002
[00405] A solution of cyclopropanesulfonyl chloride (27.0 mg, 0.192 mmol) and 6-(5- amino-6-methoxypyridin-3-yl)-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (50 mg, 0.120 mmol) in pyridine (1 mL) was maintained at room temperature. After 19 h more cyclopropanesulfonyl chloride (20 mg, 0.144 mmol) was added. After 6 h the reaction mixture was treated with MeOH (1 mL) and concentrated. The residue was dissolved in DMF and purified by HPLC (10-90% CH3CN/H20, both containing 0.1 % formic acid) to obtain N-(5-(2- amino-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-2-methoxypyridin-3- yl)cyclopropanesulfonamide formic acid salt (11 mg, 0.019 mmol, 15.69 % yield) as a white solid: H NMR (400 MHz, DMSO-d6) δ ppm 0.82 - 0.95 (m, 4 H) 2.62 - 2.73 (m, 1 H) 3.16 - 3.26 (m, 4 H) 3.71 - 3.82 (m, 4 H) 3.88 - 3.95 (m, 3 H) 6.28 (br. s., 2 H) 6.91 (d, J=1.07 Hz, 1 H) 7.15 (d, J=8.88 Hz, 2 H) 7.21 - 7.30 (m, 2 H) 7.35 (d, J=8.88 Hz, 2 H) 7.72 (d, J=2.2A Hz, 1 H) 8.15 (s, 1 H) 8.17 (d, J=2.34 Hz, 1 H) 9.30 (br. s., 1 H); ES LC-MS m/z =521.4 (M+H)\
Example 162
N-[5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(m
pyridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000290_0001
Step A
(5-bromo-2-nitrophenyl)[4-(4-morpholinyl)phenyl]amine
Figure imgf000290_0002
[00406] A solution of 4-bromo-2-fluoro-1 -nitrobenzene (2.66 g, 12.09 mmol), [4-(4- morpholinyl)phenyl]amine (2.155 g, 12.09 mmol), and potassium carbonate (3.34 g, 24.18 mmol) in N,N-dimethylformamide (30 mL) was maintained at 90°C for 3 hours. The mixture was diluted with ethyl acetate and washed three times with 5% LiCI (aq). The organic layer was separated, dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and then purified by column chromatography to afford (5-bromo-2-nitrophenyl)[4-(4- morpholinyl)phenyl]amine (3.45 g, 9.12 mmol, 75 % yield) as a bright orange solid. LCMS (m/z, ES+) = 379 (M+H).
Step B
(2-amino-5-bromophenyl)[4-(4-morpholinyl)phenyl]amine
Figure imgf000291_0001
[00407] A solution of (5-bromo-2-nitrophenyl)[4-(4-morpholinyl)phenyl]amine (2060 mg, 5.45 mmol) in tetrahydrofuran (100 mL) was maintained with stirring at room temperature while sodium dithionite (9477 mg, 54.5 mmol) in water (100 mL) was added dropwise by addition funnel over 25 minutes. The mixture was maintained with vigorous stirring for 3 hours, poured into ethyl acetate, and then diluted with water. The organic layer was separated, dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and purified by column chromatography to afford (2-amino-5-bromophenyl)[4-(4-morpholinyl)phenyl]amine (987 mg, 2.83 mmol, 52.0 % yield) as a yellow solid. LCMS (m/z, ES+) = 348 (M+H)
Step C
6-bromo~1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-2-amine
Figure imgf000292_0001
[00408] A solution of cyanogen bromide (400 mg, 3.77 mmol) in acetonitrile (2 mL) and water (12 mL) was treated with (2-amino-5-bromophenyl)[4-(4-morpholinyl)phenyl]amine (750 mg, 2.154 mmol) as a solution in methanol/acetonitrile (12 mL). Stirring was continued for 2 hours and then the mixture was poured into ethyl acetate and diluted with saturated sodium bicarbonate. The organic layer was separated, dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and then triturated with DCM to afford 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (365 mg, 0.978 mmol, 45.4 % yield) as a white solid. The filtrates were collected, concentrated onto Celite®, and purified by column chromatography to afford additional 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2- amine (155 mg, 0.415 mmol, 19.28 % yield) as a white foam. LCMS {m/z, ES+) = 374 (M+H)
Step D
N-[5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(m
Figure imgf000292_0002
[00409] A solution of 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (125 mg, 0.335 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)- 3-pyridinyl]benzenesulfonamide (178 mg, 0.419 mmol), potassium carbonate (139 mg, 1.005 mmol), and PdCI2(dppf)-CH2CI2 adduct (27.3 mg, 0.033 mmol) in 1 ,4-dioxane (8 mL)/water (8.00 mL) was maintained at 80°C for 3 hours. The solution was poured into ethyl acetate and washed with water. The suspended solids were filtered, dissolved in DMF, and purified by reverse phase hplc to afford N-[5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-2- (methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide (18 mg, 0.030 mmol, 9.07 % yield) as a white solid. 1H NMR (DMSO-d6) δ: 10.26 (br. s., 1 H), 8.10 - 8.18 (m, 1 H), 7.71 (td, J = 8.5, 6.4 Hz, 1 H), 7.65 (d, J = 2.3 Hz, 1 H), 7.47 - 7.57 (m, 1 H), 7.36 (d, J = 9.0 Hz, 2H), 7.09 - 7.30 (m, 5H), 6.84 - 6.89 (m, 1 H), 6.32 (br. s., 2H), 3.72 - 3.83 (m, 4H), 3.61 (s, 3H), 3.14 - 3.27 (m, 4H). LCMS (m/z, ES+) = 593 (M+H).
Example 163
N-[5-{2-amino-1-[3-(4-morpholinyl)propyl]-1H-benzimidazol-6-yl}-2-(methyloxy)-3- pyri mide
Figure imgf000293_0001
Step A
(5-bromo-2-nitrophenyl)(3-(4-morpholinyl)propyl]amine
Figure imgf000293_0002
[00410] A solution of 4-bromo-2-fluoro-1 -nitrobenzene (4.00 g, 18.18 mmol) and [3-(4- morpholinyl)propyl]amine (3.00 mL, 20.00 mmol) in N.N-dimethylformamide (60 mL) was treated with [3-(4-morpholinyl)propyl]amine (3.00 mL, 20.00 mmol) and maintained with stirring at room temperature for 5 hours. The mixture was poured into water, stirred for 45 minutes, and solids were collected by vacuum filtration to afford (5-bromo-2-nitrophenyl)[3-(4- morpholinyl)propyl]amine (5.63 g, 16.36 mmol, 90 % yield) as a yellow-orange solid. 1H NMR (DMSO-de) δ: 8.46 (t, J = 5.4 Hz, 1 H), 7.98 (d, J = 9.2 Hz, 1 H), 7.28 (d, J = 1.8 Hz, 1 H), 6.81 (dd, J = 9.2, 2.0 Hz, 1 H), 3.61 (t, J = 4.6 Hz, 4H), 3.40 (q, J = 6.4.Hz, 2H), 2.23 - 2.42 (m, 6H), 1.76 (quin, J = 6.4 Hz, 2H). Step B
-5-bromophenyl)[3-(4-morpholinyl)propyl]amine
Figure imgf000294_0001
[00411] A solution of (5-bromo-2-nitrophenyl)[3-(4-morpholinyl)propyl]amine (5.31 g, 15.43 mmol) in tetrahydrofuran (100 mL) was treated dropwise with a solution of sodium dithionite (21.47 g, 123 mmol) in water (100 mL). The mixture was maintained with vigorous stirring for 8 hours, diluted with ethyl acetate, and washed with water. The organic layer was separated, dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and purified by column chromatography to afford (2-amino-5-bromophenyl)[3-(4- morpholinyl)propyl]amine (2.05 g, 6.52 mmol, 42.3 % yield) as a white solid. 1H N R (DMSO- d6) δ: 6.39 - 6.55 (m, 3H), 4.79 (br. s., 1 H), 4.64 (br. s., 2H), 4.10 (d, J = 5.1 Hz, 2H), 3.59 (t, J = 4.6 Hz, 4H), 3.03 (br. s., 2H), 2.36 (d, J = 6.8 Hz, 4H), 1.72 (quin, J = 6.8 Hz, 2H).
Step C
6-bromo- 1 -[3-(4-morpholinyl)propyl]- 1 H-benzimidazol-2-amine
Figure imgf000294_0002
[00412] A solution of cyanogen bromide (0.91 1 g, 8.59 mmol) in acetonitrile (2.5 mL) and water (15 mL) was treated with (2-amino-5-bromophenyl)[3-(4-morpholinyl)propyl]amine (2 g, 6.36 mmol) as a solution in methanol (15 mL). Stirring was continued for 2 hours and then the mixture was poured into ethyl acetate and diluted with saturated sodium bicarbonate. The organic layer was separated, dried over sodium sulfate, filtered, and taken to a residue under reduced pressure. The solids were triturated with dichloromethane and removed via filtration. Purification of the filtrates by column chromatography afforded 6-bromo-1-[3-(4- morpholinyl)propyl]-1 H-benzimidazol-2-amine (350 mg, 1.032 mmol, 16.21 % yield) as a white foam. LCMS (m/z, ES+) = 340 (M+H).
Step D
N-[5-{2-amino-1-[3-(4-morpholinyl)propyl]-1H-benzimidazol-6-yl}-2-(m
Figure imgf000295_0001
[00413] A solution of 6-bromo-1 -[3-(4-morpholinyl)propyl]-1 H-benzimidazol-2-amine (150 mg, 0.442 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)- 3-pyridinyl]benzenesulfonamide (236 mg, 0.553 mmol), potassium carbonate (183 mg, 1.327 mmol), and PdCI2(dppf)-CH2CI2 adduct (36.1 mg, 0.044 mmol) in 1 ,4-dioxane (8 ml_)/water (8.00 mL) was maintained with stirring at 80°C for 2 hours. The mixture was cooled, and then poured into ethyl acetate/water. The aqueous layer containing suspended solids was washed with ethyl acetate, THF/EtOAc, methylene chloride (X2) and chloroform/iPrOH (X2). All combined organic layers were concentrated and the resulting solids were triturated/sonicated with
dichloromethane and collected via vacuum filtration affording analytically pure N-[5-{2-amino-1- [3-(4-morpholinyl)propyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide (55 mg, 0.098 mmol, 22.27 % yield) as a white solid. H NMR (DMSO-de) δ: 10.32 (br. s., 1 H), 8.24 (s, 1 H), 7.68 - 7.84 (m, 2H), 7.48 - 7.63 (m, 1 H), 7.39 (s, 1 H), 7.10 - 7.27 (m, 3H), 6.67 (br. s., 2H), 4.06 (t, J = 6.2 Hz, 2H), 3.62 (s, 3H), 3.49 - 3.59 (m, 4H), 2.32 (br. s., 4H), 2.24 (t, J = 6.5 Hz, 2H), 1.75 - 1.93 (m, 2H). LCMS (m/z, ES+) = 559 (M+H).
Example 164
N-[5-(2-amino-1-{[4-(4-morpholinyl)phenyl]m
pyridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000296_0001
Step A
(5-bromo-2-nitrop nyl]methyl}amine
Figure imgf000296_0002
[00414] A solution of 4-bromo-2-fluoro-1 -nitrobenzene (3.43 g, 15.60 mmol) and {[4-(4- morpholinyl)phenyl]methyl}amine (3 g, 15.60 mmol) in N,N-dimethylformamide (35 mL) was treated with DIPEA (8.18 mL, 46.8 mmol) and maintained with stirring at room temperature for 6 hours. The solution was poured into water, stirred for 45 minutes, and solids collected via vacuum filtration to afford (5-bromo-2-nitrophenyl){[4-(4-morpholinyl)phenyl]methyl}amine (5.49 g, 14.00 mmol, 90 % yield) as an orange solid. LCMS (m/z, ES+) = 393 (M+H).
Step B
(2-amino-5-brom enyl]methyl}amine
Figure imgf000296_0003
[00415] A solution of (5-bromo-2-nitrophenyl){[4-(4-morpholinyl)phenyl]methyl}amine (4.9 g, 12.49 mmol) in tetrahydrofuran (150 mL) was treated with sodium dithionite (17.39 g, 100 mmol) in water (150 mL) dropwise and maintained with stirring for 8 hours. Additional sodium dithionite (17.39 g, 100 mmol) was added in water (150 mL) and the mixture was rapidly stirred overnight. The solution was then poured into ethyl acetate and washed with water. The organic layer were separated, dried over sodium sulfate, filtered, and then taken to a residue under reduced pressure, and the solids triturated with diethyl ether/hexanes to afford (2-amino-5- bromophenyl){[4-(4-morpholinyl)phenyl]methyl}amine (2.57 g, 7.09 mmol, 56.8 % yield) as a white solid. H NMR (DMSO-d6) δ: 7.1 1 - 7.30 (m, J = 8.6 Hz, 2H), 6.83 - 6.94 (m, J = 8.6 Hz, 2H), 6.42 - 6.52 (m, 2H), 6.39 (d, J = 2.0 Hz, 1 H), 5.27 (t, J = 5.7 Hz, 1 H), 4.73 (s, 2H), 4.17 (d, J = 5.5 Hz, 2H), 3.61 - 3.80 (m, 4H), 2.88 - 3.16 (m, 4H).
Step C
6-bromo-1-{[4-(4-morp benzimidazol-2-amine
Figure imgf000297_0001
[00416] A solution of cyanogen bromide (43.9 mg, 0.414 mmol) in acetonitrile (.3 mL), water (2 mL) and methanol (2 mL) was treated with solid (2-amino-5-bromophenyl){[4-(4- morpholinyl)phenyl]methyl}amine (100 mg, 0.276 mmol) in one portion and a homogenous suspension appeared to form with rapid stirring. Stirring was continued for 16 hours and then the mixture was poured into ethyl acetate and diluted with saturated sodium bicarbonate. The organic layer was separated, dried over sodium sulfate, filtered, and taken to a residue under - reduced pressure, and then purified by column chromatography to afford 6-bromo-1-{[4-(4- morpholinyl)phenyl]methyl}-1 H-benzimidazol-2-amine (33 mg, 0.085 mmol, 30.9 % yield) as a white solid. LCMS (m/z, ES+) = 388 (M+H).
Step D
N-[5-(2-amino-1-{[4-(4-morpholinyl)phenyl]methyl}-1H-benzimidaz
pyridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000298_0001
[00417] A solution of 6-bromo-1-{[4-(4-morpholinyl)phenyl]methyl}-1 H-benzimidazol-2- amine (40 mg, 0.103 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3l2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (57.2 mg, 0.134 mmol), potassium carbonate (42.8 mg, 0.310 mmol), and PdCI2(dppf)-CH2Cl2 adduct (8.43 mg, 10.33 Mmol) in N,N-dimethylformamide (1 ml_)/water (0.250 mL) was maintained with stirring at 90°C for 1 hour. The mixture was cooled, filtered, and injected directly onto a reverse phase hplc to afford N-[5- (2-amino-1-{[4-(4-morpholinyl)phenyl]methyl}-1 H-benzimidazol-6-yl)-2-(methyloxy)-3-pyridinyl]- 2,4-difluorobenzenesulfonamide (18 mg, 0.030 mmol, 28.7 % yield) as a white solid following lyophlization. 1H NMR (DMSO-d6) δ: 8.14 (s, 1 H), 8.18 (s, 1 H), 7.66 - 7.80 (m, 2H), 7.50 - 7.59 (m, 1 H), 7.34 (s, 1 H), 7.10 - 7.21 (m, 5H), 6.88 (d, J = 8.8 Hz, 2H), 6.69 (br. s., 2H), 5.21 (s, 2H), 3.65 - 3.73 (m, 4H), 3.61 (s, 3H), 2.97 - 3.07 (m, 4H). LCMS (m/z, ES+) = 607 (M+H)
General Scheme 8
SOCI,
Figure imgf000299_0001
Example 165
N-[5-[2-amino-1-(2-hydroxyethyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3^
difluorobenzenesulfonamide
Figure imgf000300_0001
Step A
2-[(5-bromo-2-nitrophenyl)amino]ethanol
Figure imgf000300_0002
[00418] A solution of 4-bromo-2-fluoro-1 -nitrobenzene (8 g, 36.4 mmol), DIPEA (12.70 mL, 72.7 mmol), and ethanolamine (3.30 mL, 54.5 mmol) in Ν,Ν-dimethylformamide (DMF) (68 mL) was maintained with stirring at room temperature for 19 hours. The mixture was poured into water and stirred vigorously. Solids were collected by vacuum filtration to afford 2-[(5- bromo-2-nitrophenyl)amino]ethanol as a yellow solid (10.13 g, 36.5 mmol, 100 % yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.30 (t, J=5.2 Hz, 1 H) 7.98 (d, J=9.0 Hz, 1 H) 7.30 (d, J=2.0 Hz, 1 H) 6.83 (dd, J=9.0, 2.0 Hz, 1 H) 5.01 (t, J=5.3 Hz, 1 H) 3.62 (q, J=5.5 Hz, 2 H) 3.41 (q, J=5.5 Hz, 2 H).
Step B
2-[(2-amino-5-bromophenyl)amino]ethanol
Figure imgf000300_0003
[00419] A solution of 2-[(5-bromo-2-nitrophenyl)amino]ethanol (4.00 g, 15.32 mmol) in THF (100mL) was stirred at room temperature as a solution of sodium hydrosulfite (26.7 g, 153 mmol) in water (100ml_) was added drop wise over 30 minutes. The solution was allowed to stir at room temperature for approximately four hours before being partitioned between EtOAc and water. The organic layer was then concentrated and the residue was dissolved in 100 mL of ethanol. The solution was stirred as a solution of sodium hydrosulfite (26.7 g, 153 mmol) in water (1 OOmL) was added drop wise. After the addition of 70 mL of the second sodium hydrosulfite solution the reaction solution became colorless. Addition was stopped at that point. The solution was concentrated to remove EtOH and the aqueous solution was diluted with water then extracted with EtOAc. The organic layer was dried with Na2S04, filtered and concentrated to yield 2-[(2-amino-5-bromophenyl)amino]ethanol as a brown solid (2.44 g, 70%). H NMR (400 MHz, DMSO-d6) δ ppm 6.49 - 6.56 (m, 1 H) 6.42 - 6.49 (m, 2 H) 4.71 (t, J=5.6 Hz, 1 H) 4.62 - 4.69 (m, 3 H) 3.58 (q, J=5.9 Hz, 2 H) 3.07 (q, J=5.9 Hz, 2 H). ES-LCMS: 231.1 (M+1 ).
Step C
2-(2-amino-6-bromo-1H-benzimidazol-1-yl)ethanol
Figure imgf000301_0001
[00420] A solution of 2-[(2-amino-5-bromophenyl)amino]ethanol (2.43 g, 10.52 mmol) in MeOH (~40 mL) was added to a solution of cyanogen bromide in methanol ( (~60 mL). The resulting brown solution was allowed to stir at room temperature for 2 hours. The solution was partitioned between EtOAc and aHC03 solut'on ' The aqueous partition was extracted with EtOAc then the combined organic layers were washed with NaHC03 solution, finally washed with brine. The organic layer was dried with Na2S04, filtered and concentrated. The residue was slurried in DCM then filtered to yield 2-(2-amino-6-bromo-1 H-benzimidazol-1-yl)ethanol as a light purple solid (2.15 g, 77%). 1H NMR (400 MHz, DMSO-c/6) δ ppm 7.37 (s, 1 H) 7.04 (s, 2 H) 6.50 (s, 2 H) 4.94 (t, J=5.3 Hz, 1 H) 3.82 -4.17 (m, 2 H) 3.63 (q, J=5.3 Hz, 2 H). ES-LCMS: 256.2 (M+1 ). Step D
N-[5-[2-amino- 1-(2-hydroxyethyl)- 1 H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2, 4- difluorobenzenesulfonamide
Figure imgf000302_0001
[00421] A mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (416 mg, 0.098 mmol) and 2-(2-amino-6- bromo-1 H-benzimidazol-1-yl)ethanol (200 mg, 0.781 mmol) and potassium carbonate (324 mg, 2.34 mmol) in dioxane (6.7 mL) and water (1.7 mL) was sparged with nitrogen as PdCI2(dppf)
DCM adduct (64 mg, 0.08 mmol) was added. The reaction mixture was then heated to 90°C for one hour. The solution was then partitioned between EtOAc and brine. Next, the organic layer was concentrated. DCM was added to the residual brown oil. A dark solid formed and was removed by filtration. The filtrate was concentrated to yield a sticky brown solid. The sample was slurried in EtOAc and then filtered to yield N-[5-[2-amino-1-(2-hydroxyethyl)-1 H- benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide as an off-white solid (94 mg, 25 % yield). H NMR (400 MHz, DMSO-d6) δ ppm 10.34 (br. s., 1 H) 8.25 (s, 1 H) 7.70 - 7.87 (m, 2 H) 7.50 - 7.62 (m, 1 H) 7.41 (s, 1 H) 7.09 - 7.28 (m, 3 H) 6.50 (br. s., 2 H) 4.97 (t, J=4.9 Hz, 1 H) 4.09 (br. s., 2 H) 3.69 (d, J=4.9 Hz, 2 H) 3.62 (s, 3 H). ES-LCMS: 476.3 (M+1 ).
Example 166
N-[5-[2-amino-1-(3-hydroxypropyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3w
difluorobenzenesulfonamide
Figure imgf000303_0001
Step A
-amino-5-b inol-1-propanol
Figure imgf000303_0002
[00422] To a bright yellow solution of 3-[(5-bromo-2-nitrophenyl)amino]-1-propanol in EtOH (404 mL) was added a solution of sodium hydrosulfite (37.5 g, 182 mmol) in H20 (160 mL). The mixture was allowed to stir at room temperature overnight. The resulting pale yellow slurry was filtered, and the resulting solid was washed with EtOAc. The filtrate was concentrated to about 50 mL total volume. EtOAc (400 mL) was then added and the mixture was washed with water (50 mL) and a sat. NaCI solution (50 mL). The organic layer was next concentrated to obtain 3-[(2-amino-5-bromophenyl)amino]-1-propanol as a dark oil (7.12 g, 70% as 0.4 EtOAc). 1H NMR (400 MHz, DMSO-c/6) δ ppm 6.47 - 6.54 (m, 1 H) 6.41 - 6.47 (m, 2 H) 4.67 (s, 3 H) 4.50 (t, J=5.2 Hz, 1 H) 3.44 - 3.61 (m, 2 H) 2.94 - 3.11 (m, 2 H) 1.73 (t, J=6.6 Hz, 2 H).
Step C
-amino-6-bro -1 -yl)-1 -propanol
Figure imgf000303_0003
[00423] A solution of 3-[(2-amino-5-bromophenyl)amino]-1-propanol (7.11g, 25.4 mmol) in MeOH (254 ml) was treated with cyanogen bromine (5.37 g, 50.7 mmol). The reaction mixture was maintained at room temperature for 2 h. The reaction mixture was partitioned between EtOAc (100 mL) and a sat. NaHCC>3 solution (100 ml_). The organic layer was washed with a sat. NaCI solution, and then concentrated. The sample was slurried in MeCN to yield 3-(2- amino-6-bromo-1 H-benzimidazol-1-yl)-1-propanol as a tan solid, (3.317g, 48%). 1H NMR (400 MHz, DMSO-d6) δ ppm 7.35 (s, 1 H) 7.05 (s, 2 H) 6.53 (s, 2 H) 4.70 (br. s., 1 H) 4.00 (t, J=6.9 Hz, 2 H) 3.36 - 3.42 (m, 2H) 1.73 - 1.81 (m, 2 H). ES-LCMS: 270.2 (M+1 ).
Step D
N-[5-[2-amino-1-(3-hydroxypropyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3^yridin
difluorobenzenesulfonamide
Figure imgf000304_0001
[00424] A mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (394 mg, 0.093 mmol) and 3-(2-amino-6- bromo-1 H-benzimidazol-1-yl)-1-propanol (200 mg, 0.74 mmol) and potassium carbonate (324 mg, 2.34 mmol) in dioxane (6.7 mL) and water (1.7 mL) was sparged with nitrogen as
PdCl2(dppf) DCM adduct (60 mg, 0.08 mmol) was added. The reaction mixture was then heated to 90°C for one hour. The solution was then partitioned between EtOAc and brine. The organic layer was next concentrated. DCM was then added to the residual brown oil. A solid formed and thereafter the solution was decanted. Hexane was then added to the solution and a tan solid formed. The resulting mixture was then filtered to yield N-[5-[2-amino-1-(3- hydroxypropyl)-1 H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide as an off-white solid (115 mg, 32 % yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 10.33 (br. s., 1 H) 8.25 (d, J=1.9 Hz, 1 H) 7.70 - 7.85 (m, 2 H) 7.52 -7.63 (m, 1 H) 7.39 (s, 1 H) 7.11 - 7.27 (m, 3 H) 6.56 (br. s., 2 H) 4.72 (t, J=4.9 Hz, 1 H) 4.07 (t, J=6.7 Hz, 2 H) 3.62 (s, 3 H) 3.38 - 3.48 (m, 2 H) 1.82 (t, J=6.5 Hz, 2 H). ES-LCMS: 490.3 (M+1 ).
Example 167
N-[5-{2-amino-1-[2-(4-morpholinyl)ethyl]^1H-benzimidazol·6·yl}^2^(meth^
2,4-difluorobenzenesulfonamide
Figure imgf000305_0001
Step A
6-bromo-1 -(2-chloroethyl)-1 H-benzimidazol-2-
Figure imgf000305_0002
[00425] A mixture of 2-(2-amino-6-bromo-1 H-benzimidazol-1-yl)ethanol (256 mg, 1 mmol) in thionyl chloride (1 mL) was heated to reflux for 30 minutes. The resulting solution was allowed to cool before being concentrated. The residue was diluted with methanol (4 mL) and concentrated. The residue was diluted with water and K2CO3 solution was added drop wise to bring the pH to 8. The mixture was then filtered to yield 6-bromo-1-(2-chloroethyl)-1 H- benzimidazol-2-amine as tan solid (240 mg, 87%). 1H NMR (400 MHz, DMSO-d6) δ ppm 7.49 (s, 1 H) 6.99 - 7.19 (m, 2 H) 6.81 (br. s., 2 H) 4.37 (t, J=6.1 Hz, 2H) 3.88 (t, J=6.1 Hz, 2 H). ES- LCMS: 274.1 (M+1 ).
Step B
6-bromo- 1 -[2-(4-morpholinyl)ethyl]- 1 H-benzimidazol-2-amine
Figure imgf000306_0001
[00426] A mixture of 6-bromo-1-(2-chloroethyl)-1 H-benzimidazol-2-amine (100 mg, 0.36 mmol) and morpholine (0.32 ml.) was heated in a 80°C sand bath for about 20 hours. The solution was then allowed to cool before the adding EtOAc. The mixture was allowed to stir for 5 minutes then was filtered to yield an off-white solid. The sample was placed in a vial and saturated aqueous NaHCC>3 so'u*'on was *nen added. The mixture was shaken, sonicated, and then filtered. The resulting white solid was washed with water to yield 6-bromo-1-[2-(4- morpholinyl)ethyl]-1 H-benzimidazol-2-amine as a white solid (67 mg, 57% yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 7.36 (s,1 H) 7.03 (s, 2H) 6.58 (s, 2H) 4.01 - 4.12 (m, 2H) 3.48 - 3.57 (m, 4H) 2.48 - 2.55 (m , 2H overlapping DMSO) 2.38 - 2.48 (m, 4H).
Step C
N-[5-{2-amino-1-[2-(4-morpholinyl)ethyl]-1H-benzimidazol-6-yl}-2-(meth
difluorobenzenesulfonamide
Figure imgf000306_0002
[00427] A mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (84 mg, 0.197 mmol) and 6-bromo-1-[2-(4- morpholinyl)ethyl]-1 H-benzimidazol-2-amine (64 mg, 0.197 mmol) and potassium carbonate (82 mg, 0.59 mmol) in dioxane (1.7 ml.) and water (0.42 mL) was sparged with nitrogen as
PdCl2(dppf) DCM adduct (16 mg, 0.02 mmol) was added. The reaction mixture was then heated to 90°C for one hour and a half. The solution was then partitioned between EtOAc and brine. The resulting organic layer was then concentrated. Lastly, the mixture was filtered to yield N-[5-{2-amino-1 -[2-(4-morpholinyl)ethyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]- 2,4-difluorobenzenesulfonamide as an-off white solid (52 mg, 49 % yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 10.32 (br. s., 1 H) 8.25 (d, J=2A Hz, 1 H) 7.82 (d, J=2.3 Hz, 1 H) 7.75 (td, J=8.5, 6.3 Hz, 1 H) 7.51 - 7.61 (m, 1 H) 7.39 (s, 1 H) 7.1 1 - 7.28 (m, 3 H) 6.63 (br. s., 2 H) 4.15 (t, J=6.4 Hz, 2 H) 3.62 (s, 3 H) 3.48 - 3.59 (m, 4 H) 2.53 - 2.67 (m, 2 H) 2.44 - 2.53 (m, 2H overlapping DMSO). ES-LCMS: 545.4 (M+1 ).
Example 168
N-[5-{2-amino- 1 -[2-(4-morpholinyl)ethyl]- 1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-
2,4-difluorobenzenesulfonamide
Step A
6-bromo-1 -[2-(dimethylamino)ethyl]-1 H-benzimidazol-2-amine,
Figure imgf000307_0002
[00428] A mixture of 6-bromo-1-(2-chloroethyl)-1 H-benzimidazol-2-amine (100mg, 0.36 mmol) and potassium iodide (60 mg, 0.36 mmol) in a 40% solution of dimethylamine in water (3 ml.) was heated overnight. The solution was then concentrated and the residue was partitioned between EtOAc and water. The organic layer was dried with a2S04, filtered and concentrated to yield 6-bromo-1 -[2-(dimethylamino)ethyl]-1 H-benzimidazol-2-amine (14 mg, 14 % yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 7.34 (s, 1 H) 7.03 (s, 2 H) 6.61 (s, 2 H) 4.04 (t, J=6.3 Hz, 2 H) 2.44 - 2.48 (m, 2 H) 2.19 (s, 6 H). ES-LCMS: 283.1 (M+1 ).
Step B
N-[5-{2-amino- 1 -[2-(dimethylamino)ethyl]- 1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2, 4- difluorobenzenesulfonamide
Figure imgf000308_0001
[00429] A mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (17 mg, 0.03 mmol) and 6-bromo-1-[2- (dimethylamino)ethyl]-1 H-benzimidazol-2-amine (1 1 mg, 0.04 mmol) and potassium carbonate (16 mg, 0.1 17 mmol) in dioxane (0.33 mL) and water (0.1 mL) was sparged with nitrogen as PdCI2(dppf) DCM adduct (3 mg, 0.004 mmol) was added. The reaction mixture was then heated to 90°C for two hours. The solution was then partitioned between EtOAc and brine. The resulting organic layer was then concentrated. The mixture was next filtered to yield N-[5-{2- amino-1-[2-(dimethylamino)ethyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide (5.4 mg, 28 % yield) as a light brown solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 10.27 (br. s., 1 H) 8.23 (br. s., 1 H) 7.68 - 7.86 (m, 2 H) 7.51 - 7.60 (m, 1 H) 7.37 (s, 1 H) 7.1 1 - 7.27 (m, 3 H) 6.62 (br. s., 2 H) 4.05 - 4.20 (m, 2 H) 3.63 (s, 3 H) 2.55 (m, 2 H overlapping DMSO) 2.25 (s, 6 H). ES-LCMS: 503.4 (M+1 ).
Example 169
N-[ 5-{2-amino-1 -[2-( 1 -pyrrolidinyi) ethyl]- 1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-
2,4-difluorobenzenesulfonamide
Figure imgf000309_0001
Step A
6-bromo- 1-[2-(1 idazol-2-amine,
Figure imgf000309_0002
[00430] A mixture of 6-bromo-1-(2-chloroethyl)-1 H-benzimidazol-2-amine (100 mg, 0.36 mmol) and pyrrolidine (0.30 ml_) was heated in a 80°C sand bath for ~ 18 hours. The solution was allowed to cool before the addition of EtOAc. The mixture was allowed to stir for 5 minutes and then was filtered. Next, the sample was washed with saturated aqueous NaHCC>3 and then filtered. The resulting tan solid was washed with water to yield 6-bromo-1-[2-(1- pyrrolidinyl)ethyl]-1 H-benzimidazol-2-amine as a light brown solid (105 mg, 93% yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 7.33 (s, 1 H) 7.04 (d, J=1.0 Hz, 2 H) 6.60 (s, 2 H) 4.07 (t, J=6.5 Hz, 2H) 3.30 - 3.38 (br. s, 4H, overlapping H20) 2.66 (t, J=6.5 Hz, 2 H) 1.66 (dt, J=6.5, 3.2 Hz, 4 H). ES-LCMS: 309.1 (M+1 ).
Step B
N-[5-{2-amino-1-[2-(1-pyrrolidinyl)ethyl]- 1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2, 4- difluorobenzenesulfonamide
Figure imgf000310_0001
[00431] A mixture of 2,4-difIuoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (84 mg, 0.197 mmol) and 6-bromo-1-[2-(4- morpholinyl)ethyl]-1 H-benzimidazol-2-amine (64 mg, 0.197 mmol) and potassium carbonate (82 mg, 0.59 mmol) in dioxane (1.7 mL) and water (0.42 mL) was sparged with nitrogen as
PdCI2(dppf) DCM adduct (16 mg, 0.02 mmol) was added. The reaction mixture was then heated to 90°C for one hour and a half. The solution was then partitioned between EtOAc and brine. The organic layer was concentrated and then dissolved in DMF and filtered. The solution was then injected onto HPLC. Fractions containing the product were then combined and concentrated. The residue was then slurried in hexane/DCM to yield a white solid, which became an oil when not under reduced pressure. Finally, the residue was slurried in ether to yield N-[5-{2-amino-1-[2-(1-pyrrolidinyl)ethyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]- 2,4-difluorobenzenesulfonamide as an-off white solid (12 mg, 6 % yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.09 - 8.24 (m, 1 H) 7.68 - 7.83 (m," 2 H) 7.46 - 7.59 (m, 1 H) 7.33 (s, 1 H) 7.07 - 726 (m, 3 H) 6.59 (br. s., 2 H) 4.16 (t, J=6.4 Hz, 2 H) 3.64 (s, 3 H) 2.75 (t, J=6.6 Hz, 2 H) 2.57 (br. s., 4 H) 1.68 (t, 4 H). ES-LCMS: 529.5 (M+1 ).
Example 170
N-[5-{2-amino-1-[2-(4-methyl-1^iperazinyl)ethyl]-1H-benzimidazol-6^
pyridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000311_0001
Step A
6-bromo-1-[2-(4-methyl- 1-piperazinyl)ethyl]- 1 H-benzimidazol-2-amine
Figure imgf000311_0002
[00432] A mixture of 6-bromo-1-(2-chloroethyl)-1 H-benzimidazol-2-amine (100 mg, 0.36 mmol) and 1 -methylpiperazine (0.40 mL) was heated in a 80°C sand bath for ~ 18 hours. The solution was allowed to cool before the addition of EtOAc. The mixture was allowed to stir then was sonicated before being filtered to yield a light yellow solid. The sample was washed with saturated aqueous NaHC03 then filtered. The resulting tan solid was washed with water to yield 6-bromo-1-[2-(4-methyl-1-piperazinyl)ethyl]-1 H-benzimidazol-2-amine as a white solid, (29 mg, 23% yield). 1H NMR (400 MHz, DMSO- /6) δ ppm 7.36 (s, 1 H) 7.03 (s, 2 H) 6.60 (s, 2 H) 4.05 (t, J=6.2 Hz, 2 H) 2.19 - 2.66 ( br m, 10 H) 2.13 (s, 3 H). ES-LCMS: 338.4 (M+1 ).
Step B
N-[ 5-{2-amino- 1 -[2-(4-methyl- 1 -piperazinyl)ethyl]- 1 H-benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000312_0001
[00433] A mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (84 mg, 0.197 mmol) and 6-bromo-1-[2-(4- morpholinyl)ethyl]-1 H-benzimidazol-2-amine (64 mg, 0.197 mmol) and potassium carbonate (82 mg, 0.59 mmol) in dioxane (1.7 mL) and water (0.42 mL) was sparged with nitrogen as
PdCI2(dppf) DCM adduct (16 mg, 0.02 mmol) was added. The reaction mixture was then heated to 90°C for one hour and a half. The solution was then partitioned between EtOAc and brine. The organic layer was concentrated. . The residue was purified by reverse phase HPLC (10-60% MeCN / water with 0.1 % formic acid) to yield N-[5-{2-amino-1-[2-(4-methyl-1- piperazinyl)ethyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide as a light brown glass (11 mg, 49 % yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.05 - 8.27 (m, 2 H) 7.65 - 7.89 (m, 2 H) 7.43 - 7.63 (m, 1 H) 7.34 (s, 1 H) 7.06
- 7.28 (m, 3 H) 6.59 (br. s., 2 H) 4.12 (t, J=6.1 Hz, 2 H) 3.64 (s, 3 H) 2.58 (t, J=6.3 Hz, 2 H) 2.25
- 2.54 (br. m, 8 H overlapping DMSO) 2.17 (s, 3 H). ES-LCMS: 558.5 (M+1 ).
Example 171
1,1-dimethylethyl 3-{2-amino-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridinyl]- 1 H-benzimidazol- 1 -yl}-1 -pyrrolidinecarboxylate
Figure imgf000312_0002
Step A
1, 1-dimethylethyl 3-[(5- 1-pyrrolidinecarboxylate
Figure imgf000313_0001
[00434] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), a 1 ,1- dimethylethyl 3-amino-1 -pyrrolidinecarboxylate (1.693 g, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated in a 90°C sand bath for 3 hours. The resulting mixture was diluted with EtOAc (200 mL) and washed with a 5% LiCI solution (3x100 mL). The organic layer was concentrated to obtain a solid. The sample was purified by silica gel chromatography (0-30 % EtOAc in hexanes to yield 1 , 1-dimethylethyl 3-[(5-bromo-2-nitrophenyl)amino]-1- pyrrolidinecarboxylate as a yellow solid (3.2 g, 91 % yield). 1H NMR (400 MHz, DMSO-cfe) δ ppm 7.89 - 8.07 (m, 2 H) 7.39 (s, 1 H) 6.90 (dd, J=9.1 , 1.9 Hz, 1 H) 4.40 (dd, .7=14.9, 5.8 Hz, 1 H) 3.65 (dd, J=10.8, 6.1 Hz, 1 H) 3.36 - 3.44 (m, 1 H) 3.30 - 3.41 (m, 2 H overlapping H20) 3.22 (dd, J=10.9, 4.9 Hz, 1 H) 2.14 - 2.29 (m, 1 H) 1.82 - 2.05 (m, 1 H) 1.40 (s, 9 H). ES-LCMS: 286.2 (M+1-BOC).
Step B
1, 1-dimethylethyl 3-[(2-am o]-1 -pyrrolidinecarboxylate
Figure imgf000313_0002
[00435] A solution of 1 , 1-dimethylethyl 3-[(5-bromo-2-nitrophenyl)amino]-1- pyrrolidinecarboxylate (1.00g, 2.59 mmol) in ethanol (60 mL) was stirred at room temperature as a solution of sodium hydrosulfite (3.60 g, 20.68 mmol) in water (12mL) was added. The solution was allowed to stir at room temperature over night The solution was concentrated to an off white paste. The residue was diluted with EtOAc. Large amounts of solid present. The mixture was filtered. The solids were washed with EtOAc. The filtrate was washed with water. The organic layer was dried with Na2S04, filtered and concentrated. The residue was purified by silica gel chromatography (20 - 100% EtOAc in hexanes) to yield 1 ,1-dimethylethyl 3-[(2-amino- 5-bromophenyl)amino]-1 -pyrrolidinecarboxylate as an off white solid (0.41 g, 44%). 1H NMR (400 MHz, DMSO-d6) δ ppm 6.53 - 6.58 (m, 1 H) 6.50 (br. s., 1 H) 6.43 - 6.48 (m, 1 H) 4.69 - 4.85 (m, 3 H) 3.84 - 4.14 (m, 1 H) 3.47 - 3.68 (m, 1 H) 3.35 - 3.46 (m, 2 H overlapping H20) 3.12 (td, J=1 1.3, 3.5 Hz, 1 H) 2.03 - 2.21 (m, 1 H) 1.81 (td, J=12.1 , 6.2 Hz, 1 H) 1.40 (d, J=1.8 Hz, 9 H). ES-LCMS: 256.4 (M+1-BOC).
Step C
1, 1-dimethylethyl 3-(2-amino- 1-yl)-1-pyrrolidinecarboxylate
Figure imgf000314_0001
[00436] A solution of 1 , 1-dimethylethyl 3-[(2-amino-5-bromophenyl)amino]-1- pyrrolidinecarboxylate (0.41g, 1.15 mmol) in MeOH (22 ml) was treated with cyanogen bromine (0.244 g, 2.302 mmol). The reaction mixture was maintained at room temperature for 3 h. LCMS indicated complete reaction. The reaction mixture concentrated to approximately 5 mL of volume then was partitioned between EtOAc (100 mL) and a sat. NaHC03 solution (100 mL).
The organic layer was washed with a sat. NaCI solution and concentrated. The residue was diluted with DCM / hexanes and concentrated to obtain a 1 ,1-dimethylethyl 3-(2-amino-6-bromo- 1 H-benzimidazol-1 -yl)-1-pyrrolidinecarboxylate as an off white solid, (0.38g, 87%). 1H NMR (400 MHz, DMSO-d6) δ ppm 7.40 (br. s., 1 H.) 7.09 (s, 2 H) 6.67 (br. s., 2 H) 5.00 (t, J=7.6 Hz, 1 H) 3.64 (d, J=8.0 Hz, 2 H) 3.55 (br. s., 1 H) 3.25 - 3.35 (br. s, 1 H, overlapping H20) 2.32 - 2.47 (m, 1 H) 2.16 (d, J=7.8 Hz, 1 H) 1.44 (br. s., 9 H). ES-LCMS: 381.8 (M+1).
Step D
1, 1-dimethylethyl 3-{2-amino-6-[5-{[(2 -difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridinyl]- 1 H-benzimidazol- 1-yl}- 1 -pyrrolidinecarboxylate
Figure imgf000315_0001
[00437] A mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (201 mg, 0.472 mmol) and 1 ,1-dimethylethyl 3-(2-amino-6-bromo-1 H-benzimidazol-1-yl)-1-pyrrolidinecarboxylate (180 mg, 0.472 mmol) and potassium carbonate (82 mg, 0.59 mmol) in dioxane (4 mL) and water (1 mL) was sparged with nitrogen as PdC^dppf) DCM adduct (39 mg, 0.047 mmol) was added. The reaction mixture was then heated to 90°C for one hour and a half. The solution was then partitioned between EtOAc and brine. The organic layer was dried with Na2S04, filtered and concentrated. The residue was slurried in DCM and filtered to yield 1 ,1-dimethylethyl 3-{2-amino-6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]-1 H-benzimidazol-1-yl}-1- pyrrolidinecarboxylate as an-off white solid (168 mg, 60 % yield). 1H NMR (400 MHz, DMSO-c/6) δ ppm 10.26 (br. s., 1 H) 8.23 (br. s., 1 H) 7.79 (d, J=1.8 Hz, 1 H) 7.74 (td, J=8.5, 6.4 Hz, 1 H) 7.49 - 7.62 (m, 1 H) 7.41 (br. s., 1 H) 7.09 - 7.27 (m, 3 H) 6.57 (br. s., 2 H) 5.04 (d, J=8.0 Hz, 1 H) 3.53 - 3.81 (m, 6 H) 3.29 - 3.43 (br. s., 1 H overlapping H20) 2.47 - 2.61 (br. s. 1 H overlapping DMSO) 2.19 (br. s., 1 H) 1.39 (br. s., 9 H). ES-LCMS: 601.3 (M+1 ).
Example 172
N-[5-[2-amino-1-(4-methylphenyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3-pyri^
difluorobenzenesulfonamide
Figure imgf000316_0001
Step A
5-bromo-N-( -nitroaniline
Figure imgf000316_0002
[00438] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), 4- methylaniline (0.974 g, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 16 h. The resulting mixture was diluted with EtOAc (200 mL) and washed with a 5% LiCI solution (3x100 mL). The organic layer was concentrated to obtain a solid. The residue was purified by silica gel chromatography (5-13% EtOAc in hexanes) to yield (5-bromo- N-(4-methylphenyl)-2-nitroaniline (2.23 g, 80%). 1H NMR (400 MHz, DMSO-d6) δ ppm 9.47 (s, 1 H) 8.04 (d, J=9.0 Hz, 1 H) 7.20 - 7.31 (m, 4 H) 7.07 (d, J=2.0 Hz, 1 H) 6.98 (dd, J=9.1 , 2.0 Hz, 1 H) 2.34 (s, 3 H)
Step B
4-bromo-N2-(4- enzenediamine
Figure imgf000316_0003
[00439] A solution of 5-bromo-N-(4-methylphenyl)-2-nitroaniline (2.23g, 7.26 mmol) in EtOH (168mL) was stirred at 60°C as a solution of sodium hydrosulfite (10.11 g, 58 mmol) in water (34ml_) was added. The solution was allowed to stir for ~ 1 hour. LCMS shows no starting material remaining. The solution was filtered and the filtrate concentrated to an off white paste. The residue was partitioned between water and EtOAc. The aqueous layer was extracted with a second portion of EtOAc. The combined EtOAc layers were dried with Na2S04, filtered and concentrated. The crude material was purified by silica gel
chromatography to yield 4-bromo-N2-(4-methylphenyl)-1 ,2-benzenediamine as a light brown solid (1.19 g, 59%). H NMR (400 MHz, DMSO-cfe) δ ppm 6.97 - 7.07 (m, 4 H) 6.86 (dd, J=8.4, 2.3 Hz, 1 H) 6.74 (d, J=8.4 Hz, 2H) 6.64 (d, J=8.4 Hz, 1 H) 4.90 (s, 2 H) 2.20 (s, 3 H)
Step C
6-bromo- 1 -(4-methylphenyl)- 1 H-benzimidazol-2-amine
Figure imgf000317_0001
[00440] A solution of 4-bromo-N2-(4-methylphenyl)-1 ,2-benzenediamine (1.19g, 4.29 mmol) in MeOH (86 ml) was treated with cyanogen bromine (0.910 g, 8.59 mmol). The reaction mixture was maintained at room temperature for 6 h. The reaction mixture was concentrated and the residue partitioned between EtOAc (100 mL) and a sat. ΝβΗΟΟ solution (100 ml_).
The organic layer was washed with a sat. NaCI solution, and then concentrated. The residue was slurried in DCM to obtain an off white solid. A second crop was obtained by filtering the filtrate. Both samples were combined to yield 6-bromo-1-(4-methylphenyl)-1 H-benzimidazol-2- amine (708 mg, 51 % as 0.25 DCM), 1H NMR (400 MHz, DMSO-d6) δ ppm 7.39 - 7.47 (m, 2 H) 7.31 - 7.39 (m, 2 H) 7.07 - 7.18 (m, 2 H) 6.86 (d, J=1.4 Hz, 1 H) 6.39 (s, 2 H) 2.42 (s, 3 H).
Step D
N-[5-[2-amino-1-(4-methylphenyl)-1H-benzimidazol-6-yl]-2-(methylo^
difluorobenzenesulfonamide
Figure imgf000318_0001
[00441] A mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,i5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (99 mg, 0.232 mmol) and 6-bromo-1-(4- methylphenyl)-1 H-benzimidazol-2-amine (75 mg, 0.232 mmol) and potassium carbonate (96 mg, 0.7 mmol) in dioxane (2.0 ml.) and water (0.50 ml.) was sparged with nitrogen as
PdCl2(dppf) DCM adduct (19 mg, 0.023 mmol) was added. The reaction mixture was then heated to 90°C for one hour and a half. The solution was then partitioned between EtOAc and brine. The organic layer was concentrated. The residue was purified by HPLC (10-70% MeCN water with 0.1 % formic acid) to yield N-[5-[2-amino-1-(4-methylphenyl)-1 H-benzimidazol-6-yl]-2- (methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide as an-off white solid (56 mg, 44 % yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.14 (s, 2 H) 7.66 - 7.77 (m, 1 H) 7.63 (d, J=2.1 Hz, 1 H) 7.37 - 7.56 (m, 5 H) 7.25 - 7.31 (m, 1 H) 7.19 - 7.25 (m, 1 H) 7.06 - 7.16 (m, 1 H) 6.89 (d, J=1.2 Hz, 1 H) 6.36 (s, 2 H) 3.61 (s, 3 H) 2.43 (s, 3 H). ES-LCMS: 522.3 (M+ ).
Example 173
N-[5-[2-amino-1-(3-methylphenyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3^yridin
difluorobenzenesulfonamide
Figure imgf000318_0002
Step A 5-bromo- itroaniline
Figure imgf000319_0001
[00442] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), 3- methylaniline (0.99 mL, 9.09 mmol) and K2C03 (2.51 g, 18.18 mmol) in DMF (20 mL) was heated at 90 °C for 16 h. The resulting mixture was diluted with EtOAc (100 mL) and washed with a 5% LiCI solution (3x100 mL). The organic layer was concentrated onto Celite® and purified by silica gel chromatography (0-30% EtOAc/hexane) to obtain 5-bromo-N-(3- methylphenyl)-2-nitroaniline (1.56g, 56% yield). H NMR (400 MHz, DMSO-d6) δ ppm 9.45 (s, 1 H) 8.05 (d, J=9.0 Hz, 1 H) 7.26 - 7.45 (m, 1 H) 7.12 - 7.19 (m, 3 H) 7.10 (d, J=7.6 Hz, 1 H) 7.01 (dd, J=9.1 , 2.1 Hz, 1 H) 2.33 (s, 3 H).
Step B
4-bromo-N2-(3-methylphenyl)- 1, 2-benzenediamine
Figure imgf000319_0002
[00443] A solution of 5-bromo-N-(3-methylphenyl)-2-nitroaniline (11.56 g, 5.08 mmol) in EtOH (118mL) was stirred at room temperature as a solution of sodium hydrosulfite (7.07 g, 40.6 mmol) in water (24mL) was added. The solution was allowed to stir at 60°C for 1 hour. The solution was filtered and the filtrate concentrated to an off white paste. The residue was partitioned between water and EtOAc. The aqueous layer was extracted with a second portion of EtOAc, The combined EtOAc layers were dried with Na2S04, filtered and concentrated. The crude material was purified by silica gel chromatography (0-30% EtOAc in hexanes) to yield 4- bromo-N2-(3-methylphenyl)-1 , 2-benzenediamine as a dark oil (0.93 g, 53% 0.75 EtOAc). 1H NMR (400 MHz, DMSO-c/6) δ ppm 7.15 (s, 1 H) 7.01 - 7.08 (m, 2 H) 6.92 (dd, J=8.4, 2.3 Hz, 1 H) 6.67 (d, J=8.4 Hz, 1 H) 6.53 - 6.61 (m, 3 H) 4.92 (s, 2 H) 2.20 (s, 3 H). Step C
6-bromo-1-(3-methylphenyl)-1H-benzimidazol-2-
Figure imgf000320_0001
[00444] A solution of 4-bromo-N2-(3-methylphenyl)-1 ,2-benzenediamine (0.91g, 2.65 mmol) in MeOH (27 ml) was treated with cyanogen bromine (0.562 g, 5.30 mmol). The reaction mixture was maintained at room temperature for 2 h. LCMS indicated complete reaction. The reaction mixture was concentrated and the residue partitioned between EtOAc (100 mL) and a sat. NaHCC>3 solution (100 mL). The organic layer was washed with a sat. NaCI solution and concentrated. The residue was slurried in DCM / hexanes and filtered to obtain an off-white solid. A second crop was obtained by filtering the filtrate. Both samples were combined to yield 6-bromo-1-(3-methylphenyl)-1 H-benzimidazol-2-amine as a tan solid, (560 mg, 70%) 1H NMR (400 MHz, DMSO-cfe) δ ppm 7.46 - 7.54 (m, 1 H) 7.34 (d, J=7.6 Hz, 1 H) 7.23 - 7.31 (m, 2 H) 7.09 - 7.17 (m, 2 H) 6.89 (d, J=1.6 Hz, 1 H) 6.44 (s, 2 H) 2.41 (s, 3 H).
Step D
N-[5-[2-amino-1-(3-methylphenyl)-1H-benzimidazol-6-yl]-2-(m
difluorobenzenesulfonamide
Figure imgf000320_0002
[00445] A mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (106 mg, 0.248 mmol) and 6-bromo-1-(3- methylphenyl)-1 H-benzimidazol-2-amine (75 mg, 0.248 mmol) and potassium carbonate (82 mg, 0.59 mmol) in dioxane (2.1 mL) and water (0.53 mL) was sparged with nitrogen as PdCI2(clppf) DCM adduct (20 mg, 0.025 mmol) was added. The reaction mixture was then heated to 90°C for one hour and a half. The solution was then partitioned between EtOAc and brine. The organic layer was concentrated. The residue was purified by silica gel
chromatography (0-5 % MeOH in DCM) to yield N-[5-[2-amino-1-(3-methylphenyl)-1 H- benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide as an-off white solid (52 mg, 49 % yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 10.27 (br. s., 1 H) 8.16 (d, J=2.0 Hz, 1 H) 7.63 - 7.76 (m,' 2 H) 7.53 (t, J=8.0 Hz, 2 H) 7.26 - 7.40 (m, 4 H) 7.19 - 7.26 (m, 1 H) 7.12 (td, J=8.5, 2.0 Hz, 1 H) 6.95 (d, J=1.4 Hz, 1 H) 6.42 (br. s., 2 H) 3.61 (s, 3 H) 2.43 (s, 3 H). ES-LCMS: 522.3 (M+1 ).
Example 174
N-[5-[2-amino-1-(3-pyrrolidinyl)-1H-benzimidazol-6-yl]-2-(m
difluorobenzenesulfonamide
Figure imgf000321_0001
[00446] 1 ,1 -dimethylethyl 3-{2-amino-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-
(methyloxy)-3-pyridinyl]-1 H-benzimidazol-1 -yl}-1-pyrrolidinecarboxylate (77 mg, 0.128 mmol) in DCM (1.2 mL) was stirred at room temperature as TFA (0.20 mL) was added. The solution was allowed to stir at room temperature for two hours. The solution was partitioned between DCM and NaHC03. The organic layer was dried with Na2S04 filtered and concentrated to yield N-[5-
[2-amino-1-(3-pyrrolidinyl)-1 H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide (22 mg, 34 % yield) as an-off white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.16 (d, J=2.0 Hz, 1 H) 7.67 - 7.87 (m, 2 H) 7.41 - 7.63 (m, 2 H) 7.04 - 7.31 (m, 3 H) 6.95 (br. s., 2 H) 5.04 - 5.18 (m, 1 H) 3.65 (s, 3 H) 3.23 - 3.45 (m, 3 H overlapping H20) 2.88 - 3.01 (m, 1 H) 2.21 - 2.42 (m, 1 H) 2.06 - 2.19 (m, 1 H). ES-LCMS: 501.4 (M+1 ).
Example 175 N-[5-{2-amino-1-[3-(1 ,3-oxazol-5-yl)phenyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000322_0001
Step A
5-bromo-2-ni henyl]aniline
Figure imgf000322_0002
[00447] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (1.353 g, 6.15 mmol), 3-
(1 ,3-oxazol-5-yl)aniline (0.985g, 6.15 mmol) and K2C03 (1.7 g, 12.3 mmol) in DMF (13.5 mL) was heated at 90 °C for 26 h. The resulting mixture was diluted with EtOAc (100 mL) and washed with a 5% LiCI solution (3x100 mL). The organic layer was concentrated and the residue was purified by silica gel chromatography (0-40% EtOAc/hexane) to obtain 5-bromo-2- nitro-N-[3-(1 ,3-oxazol-5-yl)phenyl]aniline as bright red - orange solid (1.18g, 53%). 1H NMR (400 MHz, DMSO-c/s) δ ppm 9.54 (s, 1 H) 8.48 (s, 1 H) 8.07 (d, .7=9.2 Hz, 1 H) 7.75 (s, 1 H) 7.71 (s, 1 H) 7.59 - 7.64 (m, 1 H) 7.53 - 7.58 (m, 1 H) 7.36 (d, J=8.0 Hz, 1 H) 7.23 (d, J=2.0 Hz, 1 H) 7.07 (dd, J=9.0, 2.0 Hz, 1 H). ES-LCMS: 360.0 (M+1 ).
Step B
4-bromo-N2-[3-( 1, 3-oxazol-5-yl)phenyl]- 1, 2-benzenediamine
Figure imgf000323_0001
[00448] A solution of 5-bromo-2-nitro-N-[3-(1 ,3-oxazol-5-yl)phenyl]aniline (1 .17 g, 3.25 mmol) in THF (16 mL) and EtOH (16ml_) was stirred at room temperature as a solution of sodium hydrosulfite (4.52 g, 26 mmol) in water (29mL) was added. The solution was allowed to stir at 60°C for 1 hour. The solution was filtered and the filtrate concentrated. The residue was partitioned between water and EtOAc. The aqueous layer was extracted with a second portion of EtOAc, The combined EtOAc layers were dried with Na2S0 , filtered and concentrated. The crude material was purified by silica gel chromatography (0-50% EtOAc in hexanes) to yield 4- bromo-N2-[3-(1 ,3-oxazol-5-yl)phenyl]-1 ,2-benzenediamine as a clear oil (387 mg, 29%). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.40 (s, 1 H) 7.43 - 7.64 (m, 2 H) 7.22 - 7.29 (m, 1 H) 7.07 - 7.12 (m, 2 H) 7.05 (d, J=1.8 Hz, 1 H) 7.00 (dd, J=8.5, 2.2 Hz, 1 H) 6.63 - 6.77 (m, 2 H) 5.00 (s, 2 H). ES-LCMS: 330.3 (M+1 ).
Step C
6-bromo- 1-[3-( 1, 3-oxazol-5-yl)phenyl]- 1 H-benzimidazol-2-amine
Figure imgf000323_0002
[00449] A solution of 4-bromo-N2-[3-(1 ,3-oxazol-5-yl)phenyl]-1 ,2-benzenediamine (385 mg, 1 .166 mmol) in MeOH (1 .17E+04 μΙ) was treated with cyanogen bromine (247 mg, 2.332 mmol). The reaction mixture was maintained at room temperature for 2 hours. Additional 124 mg of CNBr (124 mg, 1 .17 mmol) was added. The reaction mixture was allowed to stir for another 2 hours then was concentrated and the residue partitioned between EtOAc (100 mL) and a sat. NaHC03 solution (100 mL). The organic layer was washed with a sat. NaCI solution and then concentrated. The residue was slurried in DCM to obtain 6-bromo-1 -[3-(1 ,3-oxazol-5- yl)phenyl]-1 H-benzimidazol-2-amine as an off white solid. (197 mg, 48%), 1H NMR (400 MHz, DMSO-de) δ ppm 8.51 (s, 1 H) 7.80 - 7.93 (m, 3 H) 7.72 (t, J=7.8 Hz, 1 H) 7.42 - 7.53 (m, 1 H) 7.10 - 7.21 (m, 2 H) 6.94 (d, J=1.4 Hz, 1 H) 6.54 (s, 2 H). ES-LCMS: 354.9 (M+1 ).
Step D
N-[5-{2-amino-1-[3-(1,3-oxazol-5-yl)phenyl]-1H-benzimidazol-6-yl}-2-(methylox
2,4-difluorobenzenesulfonamide
Figure imgf000324_0001
[00450] A mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyi-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (60 mg, 0.141 mmol) and 6-bromo-1-[3-(1 ,3- oxazol-5-yl)phenyl]-1 H-benzimidazol-2-amine (50 mg, 0.141 mmol) and potassium carbonate (58 mg, 0.42 mmol) in dioxane (4 ml.) and water (1 ml.) was sparged with nitrogen as
PdCI2(dppf) DCM adduct (11.5 mg, 0.014 mmol) was added. The reaction mixture was then heated to 90°C for one hour and a half. The solution was then partitioned between EtOAc and brine. The organic layer was dried with Na2S04, filtered and the filtrate concentrated. The residue was purified by silica gel chromatography (0-10% MeOH in DCM) to yield N-[5-{2- amino-1-[3-(1 ,3-oxazol-5-yl)phenyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide as an-off white solid (41 mg, 51 % yield). 1H NMR (400 MHz, DMSO-de) δ ppm 10.22 (br. s., 1 H) 8.51 (s, 1 H) 8.17 (s, 1 H) 7.83 - 7.95 (m, 3 H) 7.62 - 7.81 (m, 3 H) 7.44 - 7.61 (m, 3 H) 7.28 - 7.35 (m, 1 H) 7.20 - 7.28 (m, 1 H) 7.07 - 7.16 (m, 1 H) 7.00 (s, 1 H) 6.52 (br. s., 2 H) 3.60 (s, 3 H) ES-LCMS: 575.4 (M+1 ).
Example 176
1, 1-dimethylethyl (2S)-2-{2-amino-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6- (methyloxy)-3-pyridinyl]-1H-benzimidazol-1-yl}-3-methylbutanoate
Figure imgf000325_0001
Step A
1, 1-dimethyleth henyl)-i
Figure imgf000325_0002
[00451] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), 1 ,1 - dimethylethyl L-valinate (0.68 g, 3.24 mmol) and Hunigs base (1 .13 ml_, 6.48 mmol) in DMF (2.28 ml_) was allowed to stir at room temperature overnight. The resulting mixture was diluted with EtOAc (100 ml.) and washed with a 5% LiCI solution (3x100 mL). The organic layer was concentrated onto Celite® and purified by silica gel chromatography (0-30% EtOAc/hexane) to obtain 1 ,1 -dimethylethyl N-(5-bromo-2-nitrophenyl)-L-valinate as a yellow oil, (1 .122g, 93%) 1H NMR (400 MHz, DMSO-d6) δ ppm 8.30 (d, J=8.2 Hz, 1 H) 8.03 (d, J=9.2 Hz, 1 H) 7.27 (d, J=2.0 Hz, 1 H) 6.92 (dd, J=9.1 , 2.0 Hz, 1 H) 4.44 (dd, J=8.1 , 5.0 Hz, 1 H) 2.22 (dq, J=1 1.9, 6.8 Hz, 1 H) 1 .43 (s, 9 H) 0.85 - 1 .1 1 (m, 6 H). ES-LCMS: 373.3 (M+1 ).
Step B
1, 1-dimethylethyl N-(2-amino-5-bromophenyl)-L-valinate
Figure imgf000326_0001
[00452] A solution of 1 ,1-dimethylethyl N-(5-bromo-2-nitrophenyl)-L-valinate (1.1 1g, 2.97 mmol) in ethanol (33 mL) was stirred at room temperature as a solution of sodium hydrosulfite (4.14 g, 20.71 mmol) in water (26mL) was added. The solution was allowed to stir at room temperature overnight. The solution was concentrated to an off white paste. The residue was diluted with EtOAc. Large amounts of solid present. The mixture was filtered. The solids were washed with EtOAc. The filtrate was washed with water. The organic layer was dried with Na2S04, filtered and concentrated. The residue was purified by silica gel chromatography (0-
30% EtOAc in hexane) to yield 1 ,1-dimethylethyl N-(2-amino-5-bromophenyl)-L-valinate as a clear oil (0.575 g, 56%). 1H NMR (400 MHz, DMSO-d6) δ ppm 6.53 - 6.59 (m, 1 H) 6.42 - 6.49 (m, 2 H) 4.87 (s, 2 H) 4.79 (d, J=9.2 Hz, 1 H) 3.44 (t, J=8.4 Hz, 1 H) 1.90 - 2.12 (m, 1 H) 1.41 (s, 9 H) 0.93 - 1.08 (m, 6 H). ES-LCMS: 343.3 (M+1 ).
Step C
1, 1-dimethylethyl (2S)-2-(2-am zol-1-yl)-3-methylbutanoate
Figure imgf000326_0002
[00453] A solution of 1 , 1 -dimethylethyl 3-[(2-amino-5-bromophenyl)amino]-1 - pyrrolidinecarboxylate (0.41 g, 1.15 mmol) in MeOH (32 ml) was treated with cyanogen bromine (350 mg, 3.30 mmol). The reaction mixture was maintained at room temperature for 3 h. LCMS indicated complete reaction. The reaction mixture concentrated to approximately 5 mL of volume then was partitioned between EtOAc (100 mL) and a sat. NaHC03 solution (100 mL).
The organic layer was washed with a sat. NaCI solution and then concentrated. The residue was purified by silica gel chromatography (20-100% EtOAc in hexanes) to obtain 1 ,1- dimethylethyl (2S)-2-(2-amino-6-bromo-1 H-benzimidazol-1-yl)-3-methylbutanoate as a clear glass, (0.095g, 15%), 1H NMR (400 MHz, DMSO-d6) δ ppm 7.36 (s, 1 H) 6.89 - 7.15 (m, 2 H) 6.66 (s, 2 H) 4.65 (d, J=10.7 Hz, 1 H) 2.64 (dt, J=10.8, 6.6 Hz, 1 H) 1.36 (s, 9 H) 1.09 (d, J=6.4 Hz, 3 H) 0.59 (d, J=6.6 Hz, 3 H). ES-LCMS: 368.2 (M+1 ).
Step D
1, 1-dimethylethyl (2S)-2-{2-amino-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methy^
pyridinyl]- 1 H-benzimidazol- 1-yl}-3-methylbutanoate
Figure imgf000327_0001
[00454] A mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (86 mg, 0.201 mmol) and 1 ,1-dimethylethyl (2S)-2-(2-amino-6-bromo-1 H-benzimidazol-1-yl)-3-methylbutanoate (74 mg, 0.201 mmol) and potassium carbonate (83 mg, 0.603 mmol) in dioxane (1.7 mL) and water (0.43 mL) was sparged with nitrogen as PdC^dppf) DCM adduct (16 mg, 0.02 mmol) was added. The reaction mixture was then heated to 90°C for one hour and a half. The solution was then partitioned between EtOAc and brine. The organic layer was dried with iv^SC^, filtered and the filtrate concentrated. The residue was purified by silica gel chromatography (0-10% MeOH in DCM) Fractions containing the product were combined and concentrated to and the residue was slurried in hexane - ether and the solution was decanted and then concentrated to yield 1 ,1- dimethylethyl (2S)-2-{2-amino-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridinyl]-1 H-benzimidazol-1-yl}-3-methylbutanoate (36 mg, 30 % yield) as tan solid 1H NMR (400 MHz, DMSO-d6) δ ppm 10.27 (br. s., 1 H) 8.19 (d, J=1.2 Hz, 1 H) 7.69 - 7.82 (m, 2 H) 7.52 - 7.64 (m, 1 H) 7.34 (s, 1 H) 7.15 - 7.26 (m, 3 H) 6.65 (br. s., 2 H) 4.71 (d, J=10.5 Hz, 1 H) 3.64 (s, 3 H) 2.73 (dt, J=10.7, 6.5 Hz, 1 H) 1.34 (s, 9 H) 1.12 (d, J=6.4 Hz, 3 H) 0.62 (d, J=6.6 Hz, 3 H). ES-LCMS: 588.5 (M+1 ).
Example 177 1,1-dimethylethyl 2-{2-amino-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridinyl]-1H-benzimidazol-1-yl}propanoate
Figure imgf000328_0001
Step A
1 ,1 -dimethyleth henyl)alaninate
Figure imgf000328_0002
[00455] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (2 g, 9.09 mmol), 1 ,1- dimethylethyl alaninate (1.65 g, 9.09 mmol) and Hunigs base (3.18 mL, 18.18 mmol) in DMF (6.4 mL) was allowed to stir at room temperature overnight. The resulting mixture was diluted with EtOAc (100 mL) and washed with a 5% LiCI solution (3x100 mL). The organic layer was concentrated purified by silica gel chromatography (0-30% EtOAc/hexane) to obtain 1 ,1- dimethylethyl N-(5-bromo-2-nitrophenyl)alaninate as a yellow oil, (2.88g, 92%) 1H NMR (400 MHz, CHLOROFORM-d) δ ppm 8.38 (d, J=6.4 Hz, 1 H) 8.05 (d, J=9.2 Hz, 1 H) 6.89 (d, J=1.8Hz, 1 H) 6.80 (dd, J=9.1 , 1.9 Hz, 1 H) 3.99 - 4.25 (m, 1 H) 1.56 (d, J=6.8 Hz, 3 H) 1.49 (s, 9 H).
Step B
1, 1 -dimethylethyl N-(2-amino-5-bromophenyl)alaninate
Figure imgf000329_0001
[00456] A solution of 1 , 1 -dimethylethyl N-(5-bromo-2-nitrophenyl)alaninate (1.00g, 2.59 mmol) in ethanol (92 mL) was stirred at room temperature as a solution of sodium hydrosulfite (3.60 g, 20.71 mmol) in water (74mL) was added. The solution was allowed to stir at room temperature for ~ one hour. LCMS shows no starting material remaining. The solution was filtered and the filtrate concentrated to ~ 30 mL of volume. The residue was extracted with EtOAc. The organic layer was dried with Na2S04, filtered and concentrated. The residue was purified by silica gel chromatography (20 - 100% EtOAc in hexanes) to yield 1 ,1 -dimethylethyl N-(2-amino-5-bromophenyl)alaninate as an off white solid (0.55 g, 19%). 1H NMR (400 MHz, DMSO-d6) δ ppm 6.56 (dd, J=8.2, 2.1 Hz, 1 H) 6.46 (d, J=8.2 Hz, 1 H) 6.34 (d, J=2A Hz,1 H) 5.00 (d, J=8.2 Hz, 1 H) 4.82 (s, 2 H) 3.82 (quin, J=7.2 Hz, 1 H) 1.31 - 1.49 (m, 12 H).
Step C
1, 1 -dimethylethyl 2-(2-a imidazol-1-yl)propanoate
Figure imgf000329_0002
[00457] A solution of 1 ,1 -dimethylethyl N-(2-amino-5-bromophenyl)alaninate (0.55g, 1.745 mmol) in MeOH (10 ml) was treated with cyanogen bromine (0.370 g, 3.49 mmol). The reaction mixture was maintained at room temperature for 3 h. LCMS indicated complete reaction. The reaction mixture concentrated to approximately 5 mL of volume then was partitioned between EtOAc (100 mL) and a sat. ΝβΗΟΟ solution (100 mL). The organic layer was washed with a sat. NaCI solution and then concentrated. The residue was purified by silica gel chromatography (20-100 % EtOAc in hexanes). Two major peaks observed. Like fractions combined and concentrated, diluted with DCM / hexanes and concentrated to obtain a dark solid. The sample was purified by silica gel chromatography (0-10% MeOH in EtOAc) to yield 1 ,1-dimethylethyl 2-(2-amino-6-bromo-1 H-benzimidazol-1-yl)propanoate as an off white solid (0.231 g, 38%). 1H NMR (400 MHz, DMSO-d6) δ ppm 6.91 - 7.23 (m, 3 H) 6.58 (s, 2 H) 5.22 (q, J=7A Hz, 1 H) 1.56 (d, J=7.2 Hz, 3 H) 1.36 (s, 9 H).
Step D
1, 1-dimethylethyl 2-{2-amino-6-[5-{[(2, 4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridinyl]-1H-benzimidazol-1-yl}propanoate
Figure imgf000330_0001
[00458] A mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (272 mg, 0.638 mmol) and 1 ,1-dimethylethyl 2-(2-amino-6-bromo-1 H-benzimidazol-1-yl)propanoate (217 mg, 0.638 mmol) and potassium carbonate (264 mg, 1.913 mmol) in dioxane (5.4 mL) and water (1.3 ml.) was sparged with nitrogen as PdC^dppf) DCM adduct (52 mg, 0.064 mmol) was added. The reaction mixture was then heated to 90°C for two hours. The solution was then partitioned between EtOAc and brine. The organic layer was dried with Na2S04, filtered and the filtrate concentrated. The residue was purified by silica gel chromatography (0-10% MeOH in DCM) to yield 1 ,1- dimethylethyl 2-{2-amino-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]- 1 /-/-benzimidazol-1-yl}propanoate as tan solid (256 mg, 72 % yield). H NMR (400 MHz, DMSO- d6) δ ppm10.28 (br. s., 1 H) 8.19 (d, J=2.1 Hz, 1 H) 7.67 - 7.82 (m, 2 H) 7.48 - 7.64 (m, 1 H) 7.13 - 7.33 (m, 3 H) 7.09 (s, 1 H) 6.58 (br. s., 2 H) 5.28 (q, J=7.2 Hz, 1 H) 3.64 (s, 3 H) 1.61 (d, J=7.2 Hz, 3 H) 1.35 (s, 9 H). ES-LCMS: 560.3 (M+1 ).
Example 178
(2S)-2-{2-amino-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(m
benzimidazol-1-yl}-3-methylbutanoic acid
Figure imgf000331_0001
(2S)-2-{2-amino-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)^
benzimidazol- 1 -yl}-3-methylbutanoic acid
[00459] TFA (0.27 mL, 3.51 mmol) was added slowly to a solution of 1 ,1-dimethylethyl (2S)-2-{2-amino-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]-1 H- benzimidazol-1-yl}-3-methylbutanoate (103 mg, 0.175 mmol) in DCM (1 .5 mL). After 2.25 hours additional TFA (1.2 mL ) was added and the solution was allowed to stir for another 2.5 hours. The solution was then concentrated and allowed to stand overnight. The residue was then diluted in DCM (1.5 mL) before the addition of TFA (1.5 mL). The solution was allowed to stir at room temperature for three hours. The solution was concentrated and the residue dissolved in DCM and washed with NaHC03 solution. The organic layer was dried with Na2S04, filtered and concentrated. The residue was slurried in DCM - hexanes and filtered to yield (2S)-2-{2-amino- 6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]-1 H-benzimidazol-1-yl}-3- methylbutanoic acid as an off white solid (79 mg, 82% yield), H NMR (400 MHz, DMSO-d6) δ ppm 13.26 (br. s., 1 H) 10.31 (br. s., 1 H) 8.22 (d, J=1.2 Hz, 1 H) 7.70 - 7.85 (m, 2 H) 7.52 - 7.65 (m, 1 H) 7.42 (br. s., 1 H) 7.13 - 7.28 (m, 3 H) 4.70 (d, J=10.7 Hz, 1 H) 3.64 (s, 3 H) 2.59 - 2.84 (m, 1 H) 1 .13 (d, J=6A Hz, 3 H) 0.61 (d, J=6.6 Hz, 3 H). ES-LCMS: 532.3 (M+1).
Example 179
N-{6-[5-{[(2, 4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]-1-methyl- 1 H- benzimidazol-2-yl}acetamide
Figure imgf000332_0001
Step A
N-( 6-bromo- 1 -methyl- 1 H-benzimidazol-2-yl)acetamide
Figure imgf000332_0002
[00460] Acetic anhydride (2.5 mL) was added slowly to a flask containing 6-bromo-1- methyl-1 H-benzimidazol-2-amine (400 mg, 1.769 mmol) at 0°C. The resulting mixture was allowed to stir in the ice bath for 30 minutes before being allowed to warm to room temperature. The mixture was too thick to stir. The flask was returned to the ice bath an additional 2.5 mL of acetic anhydride was added. The mixture was then allowed to stir overnight. The mixture was diluted with water and allowed to stir for 20 minutes. The resulting brown solution was extracted with DCM. The organic layer was then washed with saturated NaHCC>3 solution twice then dried with Na2SC>4, filtered and concentrated to yield a dark solid. The residue was slurried with DCM and filtered to yield N-(6-bromo-1-methyl-1 H-benzimidazol-2-yl)acetamide as an off white solid, (177 mg, 37% yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 10.67 (br. s., 1 H) 7.79 (s, 1 H) 7.48 (d, J=8.4 Hz, 1 H) 7.31 (dd, J=8.5, 1.9 Hz, 1 H) 3.58 (s, 3 H) 2.15 (s, 3 H). ES-LCMS: 268.0 (M+1 ).
Step B
N-{6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyri^
benzimidazol-2-yl}acetamide
Figure imgf000333_0001
[00461] A mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (79 mg, 0.186 mmol) and N-(6-bromo-1- methyl-1 H-benzimidazol-2-yl)acetamide (50 mg, 0.186 mmol) and potassium carbonate (77 mg, 0.559 mmol) in dioxane (1 .6 mL) and water (0.40 mL) was sparged with nitrogen as PdC^dppf)
DCM adduct (15 mg, 0.02 mmol) was added. The reaction mixture was then heated to 90°C for one hour and a half. LCMS shows partial conversion. Additional 2,4-difluoro-N-[2-(methyloxy)- 5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (28 mg, 0.066 mmol) and PdCI2(dppf) DCM adduct (15 mg, 0.02 mmol) was added. The mixture was then heated to 90°C for another 2 hours. The solution was then partitioned between EtOAc and brine. The organic layer was dried with Ι^^βθ filtered and the filtrate concentrated. The residue was purified by HPLC (10-70% MeCN / water with 0.1 % formic acid). Fractions containing the product were combined and concentrated. The residue was slurried in hexane - ether and the solution was decanted and then concentrated to yield N-{6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]-1 -methyl-1 H-benzimidazol-2- yl}acetamide as tan solid (22 mg, 24 % yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 10.65 (br. s., 1 H) 10.3 (br. s., 1 H) 8.33 (br. s., 1 H) 7.90 (d, J=1.6 Hz, 1 H) 7.68 - 7.82 (m, 2 H) 7.48 - 7.65 (m, 2 H) 7.41 (dd, J=8.3, 1 .5 Hz, 1 H) 7.20 (td, J=8.5, 2.1 Hz, 1 H) 3.64 (s, 6 H) 2.15 (br. s., 3 H). ES-LCMS: 488.2 (M+1 ).
Example 180
2,4-difluoro-N-[5-[(3S)-3-(1-methylethyl)-2-oxo-2,3-dihydro-^
a]benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]benzenesulfonamide
Figure imgf000334_0001
[00462] A mixture of piperdine (13 uL, 0.132 mmol), triethylamine (18 uL, 132 mmol), and (2S)-2-{2-amino-6-[5-{[(2l4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]-1 H- benzimidazol-1 -yl}-3-methylbutanoic acid (35 mg, 0.66 mmol) in DMF (0.14 mL) was stirred at room temperature as T3P (18.4 uL, 0.132 mmol) was added drop wise. The solution was concentrated and the residue diluted with water and filtered to yield an off white solid. The solid purified by HPLC (10-70% MeCN water with 0.1 % formic acid) to yield 2,4-difluoro-N-[5-[(3S)-3- (1 -methylethyl)-2-oxo-2,3-dihydro-1 H-imidazo[1 ,2-a]benzimidazol-6-yl]-2-(methyloxy)-3- pyridinyljbenzenesulfonamide (7.0 mg, 20% yield). 1H NMR (400 MHz, DMSO-cfe) δ ppm 12.11 (br. s., 1 H) 10.29 (br. s., 1 H) 8.32 (br. s., 1 H) 7.87 (s, 1 H) 7.69 - 7.80 (m, 1 H) 7.45 - 7.68 (m, 3 H) 7.36 (d, J=8.4 Hz, 1 H) 7.08 - 7.29 (m, 1 H) 4.87 (br. s., 1 H) 3.63 (s, 3 H)
2.69 (td, J=6.8, 3.0 Hz, 1 H) 1 .07 (d, J=6.8 Hz, 3 H) 0.87 (d, J=6.8 Hz, 3 H). ES-LCMS: 514.2 (M+1 ).
Example 181
N-[5-(2-amino-1-{[ 2-(4-morpholinyl)cyclohexyl]methyl}- 1 H-benzimidazol-6-yl)-2- (methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000334_0002
Step A 5-bromo-N-{[2-(4-m ethyl}-2-nitroaniline
Figure imgf000335_0001
[00463] An orange mixture of 4-bromo-2-fluoro-1 -nitrobenzene (1 g, 9.09 mmol), {[2-(4- morpholinyl)cyclohexyl]methyl}amine (0.901 g, 4.55 mmol) and Hunigs base (3.18 mL, 9.09 mmol) in DMF (3.2 mL) was allowed to stir at room temperature overnight. The resulting mixture was diluted with EtOAc (100 mL) and washed with a 5% LiCI solution (3x100 mL). The organic layer was concentrated and purified by silica gel chromatography (0-30%
EtOAc/hexane). There were two bands of fractions which contained a product with the same mass. Spectra appear to show diastereomers. Fractions containing the first peak were combined and concentrated to obtain 5-bromo-N-{[2-(4-morpholinyl)cyclohexyl]methyl}-2- nitroaniline as a yellow oil, (0.65 g, 36%). Fractions containing the second peak were combined and concentrated to obtain (0.91g, 50%). H NMR (400 MHz, DMSO-d6) δ ppm 8.38 (t, J=5.3 Hz, 1 H) 7.98 (d, J=9.2 Hz, 1 H) 7.18 - 7.36 (m, 1 H) 6.70 - 6.88 (m, 1 H) 3.48 - 3.76 (m, 5 H) 3.25 - 3.42 (m, 1 H overlapping H20) 2.76 - 2.57 (m, 2 H) 2.27 - 2.43 (m, 2 H) 2.07 - 2.26 (m, 1 H) 1.49 - 1.95 (m, 5H) 1.09 - 1.31 (m, 4 H) ES-LCMS: 398.0 (M+1 ).
Step B
6-bromo-1-{[ 2-(4-morpho 1 H-benzimidazol-2-
Figure imgf000335_0002
[00464] A solution of 5-bromo-A/-{[2-(4-morpholinyl)cyclohexyl]methyl}-2-nitroaniline (0.91 g, 2.28 mmol) in EtOH (15 mL) and THF (15 mL) was stirred at room temperature as a solution of sodium hydrosulfite (3.18 g, 18.28 mmol) in water (15mL) was added. The solution was allowed to stir at RT for 18 hours. The solution was filtered and the filtrate concentrated to an off white paste. The residue was partitioned between water and EtOAc. The aqueous layer was extracted with a second portion of EtOAc, The combined organic layers were dried with Na2S04, filtered and concentrated to yield .the crude product (0.698 g) The mixture was then carried forward without purification. A solution of this mixture in MeOH (4.75 mL) was treated with cyanogen bromine (475 mg, 4.48 mmol). The reaction mixture was maintained at room temperature for 2 hours, and then an additional CNBr (270 mg, 2.55 mmol) was added. The reaction mixture was allowed to stir for another 16 hours. The solution was concentrated and the residue partitioned between EtOAc (100 mL) and a sat. NaHCC^ solution (100 mL). The organic layer was washed with a sat. NaCI solution and then concentrated. The residue was slurried in DCM to obtain 6-bromo-1-{[2-(4-morpholinyl)cyclohexyl]methyl}-1 - -benzimidazol-2- amine (92 mg, 10%), H NMR (400 MHz, DMSO-d6) δ ppm 7.23 (s, 1 H) 6.94 - 7.13 (m, 2 H) 6.43 (s, 2 H) 4.07 - 4.21 (m, 1 H) 3.94 - 4.06 (m, 1 H) 3.48 (br. s., 4 H) 3.30 - 3.38 (br, m, 1 H overlapping H20) 2.38 (br. s., 4 H) 2.08 - 2.19 (m, 1 H) 1.77 (br. s., 2 H) 1.07 - 1.63 (m, 6 H) ES- LCMS: 393.0 (M+1 ).
Step C
N-[5-(2-amino-1-{[2-(4-morpholinyl)cyclohexyl]methyl}-1H-benzimti
pyridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000336_0001
[00465] A mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (54 mg, 0.127 mmol), 6-bromo-1-{[2-(4- morpholinyl)cyclohexyl]methyl}-1 H-benzimidazol-2-amine (50 mg, 0.127 mmol), and potassium carbonate (53 mg, 0.381 mmol) in dioxane (1.1 mL) and water (0.27 mL) was sparged with nitrogen as PdCI2(dppf) DCM adduct (10 mg, 0.01 mmol) was added. The reaction mixture was then heated to 90°C for three hours. The solution was then partitioned between EtOAc and brine. The organic layer was dried with Na2S04, filtered and the filtrate concentrated. The residue was purified by HPLC (10-60% MeCN in water). Fractions containing the product were combined and concentrated and the residue was slurried in hexane - DCM then concentrated to yield N-[5-(2-amino-1 -{[2-(4-morpholinyl)cyclohexyl]methyl}-1 H-benzimidazol-6-yl)-2- (methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide as an off-white solid (10 mg, 13 % yield) as an off-white solid, 1H NMR (400 MHz, DMSO-d6) δ ppm 8.15 (s, 1 H) 7.96 - 8.13 (m, 1 H) 7.62 - 7.82 (m, 2 H) 7.47 (br. s., 1 H) 7.01 - 7.26 (m, 4 H) 6.40 (br. s., 2 H) 3.97 - 4.28 (m, 2 H) 3.65 (s, 3 H) 3.48 (br. s., 4 H) 2.45 (dd, J=3.6, 1.9 Hz, 4 H) 2.10 - 2.21 (m, 1 H) 1.80 (br. s., 2 H) 1.14 - 1.65 (m, 8 H). ES-LCMS: 613.3 (M+1 ).
Example 182
(R)-tert-butyl 2-(2-amino-6-(5-(2,4-difluorophenylsulfonamido)-6-methoxypyridin-3-yl)-1H- benzo[d]imidazol-1-yl)-3-methylbutanoate
Figure imgf000337_0001
Step A
1, 1 -dimethyle enyl)-D-valinate
Figure imgf000337_0002
[00466] A mixture of 4-bromo-2-fluoro-1 -nitrobenzene (4 g, 18.18 mmol), 1 ,1- dimethylethyl D-valinate (3.81 g, 18.18 mmol) and Hunigs base (9.53 mL, 54.5 mmol) in DMF (12.8 mL) was allowed to stir at room temperature for 8 hours. Additional 1 ,1 -dimethylethyl D- valinate (0.76g, 3.64 mmmol) an Hunig's base (1.9 mL, 10.9 mmol) was added and the mixture was allowed to stir at room temperature over the weekend. The resulting mixture was diluted with EtOAc (200 ml.) and washed with a 5% LiCI solution (3x100 mL). The organic layer was dried with is^SC^ filtered then concentrated to yield yellow oil. The residue was purified by silica gel chromatography (0-30 % EtOAc in hexanes) to yield 1 ,1-dimethylethyl N-(5-bromo-2- nitrophenyl)-D-valinate (5.92 g, 87%) as a yellow oil. 1H NMR (400 MHz, DMSO-cfe) δ ppm 8.30 (d, J=8.0 Hz, 1 H) 8.03 (d, J=9.2 Hz, 1 H) 7.27 (d, J=2.0 Hz, 1 H) 6.92 (dd, J=9.0, 2.0 Hz, 1 H) 4.44 (dd, J=8.2, 4.9 Hz, 1 H) 2.22 (td, J=6.8, 5.1 Hz, 1 H) 1.43 (s, 9 H) 0.85 - 1.13 (m, 6 H). ES- LCMS: 373.3 (M+1 ).
Step B
(R)-tert-butyl 2-((2-am o)-3-methylbutanoate
Figure imgf000338_0001
[00467] A solution of 1 ,1-dimethylethyl N-(5-bromo-2-nitrophenyl)-D-valinate (5.92 g, 15.86 mmol) in EtOH (103 mL) was sitrred as a solution of sodium hydrosulfite (22.08g, 127 mol) in water (103 mL) was added. The solution was allowed to stir at room temperature overnight. The resulting mixture was filtered and the solid was washed with EtOAc. The filtrate was concentrated and the residue partitioned between water and EtOAc. The organic layer was dried with Na2S04, filtered and concentrated to yield (R)-tert-butyl 2-((2-amino-5- bromophenyl)amino)-3-methylbutanoate (4.92 g, 82% as 0.4 EtOAc). 1H NMR (400 MHz, DMSO-d6) δ ppm 6.52 - 6.64 (m, 1 H) 6.41 - 6.51 (m, 2 H) 4.87 (br. s., 2 H) 4.79 (d, J = 9.0 Hz, 1 H) 3.36 - 3.53 (m, 1 H) 1.88 - 2.14 (m, 1 H) 1.28 - 1.51 (m, 9 H) 0.86 - 1.11 (m, 6 H).
Step C
1 , 1 -dimethylethyl (2R)-2-(2-am zol-1-yl)-3-methylbutanoate
Figure imgf000338_0002
[00468] A solution of 1 ,1-dimethylethyl N-(2-amino-5-bromophenyl)-D-valinate (4.46 g, 13 mmol) in MeOH (26 mL) was stirred as CNBr (2.75 g, 26 mmol) was added. The solution turned black and was allowed to stir at room temperature over night. The solution was concentrated and the residue was partitioned between EtOAc and NaHCC^ solution. The organic layer was dried with is^SC^, filtered and concentrated. The residue was purified by silica gel chromatography (20-100% EtOAc in hexanes) to yield 1 ,1-dimethylethyl (2R)-2-(2-amino-6- bromo-1 H-benzimidazol-1-yl)-3-methylbutanoate as an orange brown solid (2.30 g, 44% as .40 EtOAc). H NMR (400 MHz, DMSO-d6) δ ppm 7.36 (s, 1 H) 6.96 - 7.13 (m, 2 H) 6.67 (s, 2 H) 4.65 (d, .7=10.7 Hz, 1 H) 2.64 (dt, J=10.8, 6.6 Hz, 1 H) 1.35 (s, 9 H) 1.08 (d, J=6A Hz, 3 H) 0.59 (d, J=6.6 Hz, 3 H). ES-LCMS: 368.2 (M+1 ).
Step D
(R)-tert-butyl 2-(2-amino-6-(5-(2, 4-difluorophenylsulfonamido)-6-methoxypyridin-3-yl)- 1 H- benzo[d]imidazol- 1 -yl)-3-methylbutanoate
Figure imgf000339_0001
[00469] A mixture of 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (87 mg, 0.204 mmol) and (R)-tert-butyl 2-(2- amino-6-bromo-1 H-benzo[d]imidazol-1-yl)-3-methylbutanoate (75 mg, 0.204 mmol) and potassium carbonate (84 mg, 0.61 1 mmol) in dioxane (1.7 mL) and water (0.44 mL) was sparged with nitrogen as PdC^dppf) DCM adduct (17 mg, 0.020 mmol) was added. The reaction mixture was then heated to 90°C for one hour and a half. The solution was then partitioned between EtOAc and brine. The organic layer was dried with is^SO^ filtered and the filtrate concentrated. The residue was purified by silica gel chromatography (0-10% MeOH in DCM). The sample was further purified by reverse phase HPLC (10-70% MeCN-Water with 0.1 % Formic acid). Fractions containing product were combined and concentrated. The residue was slurried in a solution of hexane and ether and then concentrated to yield (R)-tert-butyl 2-(2- amino-6-(5-(2,4-difluorophenylsulfonamido)-6-methoxypyridin-3-yl)-1 H-benzo[d]imidazol-1-yl)-3- methylbutanoate as an-off white solid (28 mg, 23 % yield). 1H NMR (400 MHz, DMSO-cfe) δ ppm 8.17 (d, J=1.4 Hz 1 H) 7.66 - 7.83 (m, 2 H) 7.51 - 7.63 (m, 1 H) 7.33 (s, 1 H) 7.13 - 7.25 (m, 3 H) 6.63 (br. s., 2 H) 4.70 (d, J=10.5 Hz, 1 H) 3.64 (s, 3 H) 2.73 (dt, J=10.6, 6.6 Hz, 1 H) 1.34 (s, 9 H) 1.12 (d, J=6.4 Hz, 3 H) 0.62 (d, J=6.6 Hz, 3 H) ES-LCMS: 588.5 (M+1 ).
Example 183
N-(5-(2-amino-1-(4- orpholinophenyl)-1H-benzo[d]imidazol-6-yl)-2-meth
c clopropanesulfonamide
Figure imgf000340_0001
[00470] A mixture of N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)pyridin- 3-yl)cyclopropanesulfonamide (50 mg, 0.141 mmol), 6-bromo-1-(4-morpholinophenyl)-1 H- benzo[d]imidazol-2-amine (52.7 mg, 0.141 mmol) and PdCI2(dppf)-CH2Cl2 adduct (11.53 mg, 0.014 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave irradiation for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-(5-(2-amino-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-2-methoxypyridin-3- yl)cyclopropanesulfonamide as a yellow solid (3.8 mg, 7.30 μηιοΙ, 5.17 % yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.16 (s, 1 H), 7.72 (d, J = 2.35 Hz, 1 H), 7.35 (d, J = 8.99 Hz, 2 H), 7.21 - 7.31 (m, 2 H), 7.15 (d, J = 8.99 Hz, 2 H), 6.91 (d, J = 1.17 Hz, 1 H), 6.26 (s, 2 H), 4.10 (d, J = 5.28 Hz, 1 H) 3.92 (s, 3 H), 3.69 - 3.82 (m, 4 H), 3.21 - 3.23 (m, 4H), 0.80 - 1.07 (m, 4 H); ES- LCMS: 521.3 (M+1 ).
Example 184
N-[5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(me py din l]-8-quinolinesulfonamide
Figure imgf000341_0001
[00471] A mixture of N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyl]-8-quinolinesulfonamide (50 mg, 0.113 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]- 1 H-benzimidazol-2-amine (42.3 mg, 0.113 mmol) and PdCl2(dppf)-CH2Cl2 adduct (9.25 mg, 0.01 1 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave irradiation for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, dried over Na2S0 , filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give N-[5-{2- amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-8- quinolinesulfonamide as a white solid (5.6mg, 7.89%). 1H NMR (400 MHz, DMSO-d6) δ ppm 9.12 (dd, J = 4.30, 1.56 Hz, 2 H), 8.56 (dd, J = 8.31 , 1.47 Hz, 1 H), 8.22 - 8.33 (m, 2 H), 7.92 - 8.01 (m, 1 H), 7.71 - 7.81 (m, 2 H),7.61 (t, J = 7.82 Hz, 1 H), 7.34 (m, J = 8.99 Hz, 2 H), 7.24 (d, J = 8.21 Hz, 1 H), 7.18 (m, J = 8.99 Hz, 2 H), 7.13 (dd, J = 8.11 , 1.66 Hz, 1 H), 6.77 (d, J = 1.37 Hz, 1 H), 6.26 (s, 2 H), 3.74 - 3.83 (m, 4 H) 3.41 (s, 3 H) 3.20 - 3.28 (m, 4 H); ES-LCMS: 608.3 (M+1 ).
Example 185
N-[5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(methyloxy
pyridinyl -1-phenylmethanesulfonamide
Figure imgf000341_0002
[00472] A mixture of N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)pyridin- 3-yl)-1-phenylmethanesulfonamide (50mg, 0.124 mmol), 6-bromo-1-(4-morpholinophenyl)-1 H- benzo[d]imidazol-2-amine (46.2 mg, 0.124 mmol) and PdCI2(dppf)-CH2Cl2 adduct (10.10 mg, 0.012 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave irradiation for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S0 , filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give N-[5-{2- amino-1 -[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-1 - phenylmethanesulfonamide (5.0 mg, 8.32 pmol, 6.73 % yield) as a yellow solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 9.21 (s, 1 H), 8.05 (br. s., 1 H), 7.30 - 7.38 (m, 5 H), 7.10 - 7.29 (m, 7 H), 6.69 - 6.79 (m, 1 H), 6.24 (s, 2 H), 4.50 (s, 2 H), 3.93 (s, 3 H), 3.71 - 3.81 (m, 4 H), 3.19 - 3.28 (m, 4 H); ES-LCMS: 571 .3 (M+1 ).
Example 186
N-(5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)-2-methoxy
3,4- ide
Figure imgf000342_0001
[00473] A mixture of 3,4-dimethoxy-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (50mg, 0.111 mmol), 6-bromo-1-(4- morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (41.4 mg, 0.111 mmol) and PdCI2(dppf)- CH2CI2 adduct (9.07mg, 0.011 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave irradiation for 10 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give N-(5-(2-amino-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-2- methoxypyridin-3-yl)-3,4-dimethoxybenzenesulfonamide (5.4 mg, 8.49 μπιοΙ, 7.65 % yield) as a yellow solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 9.73 (s, 1 H), 8.06 - 8.31 (m, 2 H), 7.65 (d, J = 2.15 Hz, 1 H), 7.39 (d, J = 8.79 Hz, 2 H), 7.13 - 7.34 (m, 4 H), 6.95 (d, J = 8.60 Hz, 1 H), 6.88 (s, 1 H), 6.54 (s, 1 H), 3.78 (s, 3 H), 3.67 - 3.76 (m, 4H), 3.71 (s, 3 H), 3.69 (s, 3 H), 3.20 - 3.28 (m, 4 H); ES-LCMS: 617.3 (M+1 ).
Example 187
N-[5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazo 6-yl}-2-(methyloxy
pyridinyl]-1, 1, 1-trifluoromethanesulfonamide
Figure imgf000343_0001
[00474] A mixture of 1 ,1 ,1 -trifluoro-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)methanesulfonamide (50 mg, 0.131 mmol), 6-bromo-1-(4- morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (48.8 mg, 0.131 mmol) and PdCI2(dppf)- CH2CI2 adduct (10.68 mg, 0.013 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave irradiation for 10 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give N-[5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]-1 ,1 , 1-trifluoromethanesulfonamide as a yellow solid (21.3mg, 29.7%). 1H NMR (400 MHz, DMSO-d6) δ ppm 8.35 (br. s., 2 H), 7.75 (br. s., 1 H), 7.40 - 7.60 (m, 5 H), 7.21 (d, J = 8.99 Hz, 2 H), 6.93 (s, 1 H), 3.71 - 3.84 (m, 4H), 3.77 (s, 3 H), 3.12 - 3.29 (m, 4 H); ES-LCMS: 549.4 (M+1 ).
Example 188
N-(5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-met^^
2,4-difluorobenzenesulfonamide
Figure imgf000344_0001
[00475] A mixture of 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (45.5 mg, 0.122 mmol), 2,4-difluoro-N-[2-methyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyl]benzenesulfonamide (50 mg, 0.122 mmol) and PdCI2(dppf)-CH2Cl2 adduct (9.95 mg, 0.012 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave irradiation for 10 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, dried over Na2S0 , filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give N-(5-{2- amino-1 -[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-2-methyl-3-pyridinyl)-2,4- difluorobenzenesulfonamide (9.7 mg, 0.016 mmol, 13.11 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.43 (br. s., 1 H), 7.59 - 7.84 (m, 1 H), 7.47 (br. s., 2 H), 7.35 (d, J = 8.99 Hz, 2 H), 7.23 - 7.31 (m, 1 H), 7.03 - 7.23 (m, 4 H), 6.84 (s, 1 H), 6.35 (br. s., 2 H), 3.66 - 3.84 (m, 4 H), 3.21 - 3.28 (m, 4 H), 2.27 (s, 3 H); ES-LCMS: 577.4 (M+1 ).
Example 189
N-{5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-[(1-m
ridinyl}benzenesulfonamide
Figure imgf000344_0002
[00476] A mixture of N-[2-[(1-methylethyl)oxy]-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan- 2-yl)-3-pyridinyl]benzenesulfonamide (50 mg, 0.120 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (44.6 mg, 0.120 mmol) and PdCl2(dppf)-CH2CI2 adduct (9.95 mg, 0.012 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave irradiation for 10 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give N-{5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-2-[(1-methylethyl)oxy]-3- pyridinyl}benzenesulfonamide (8.9 mg, 0.014 mmol, 12.10 % yield) as a yellow solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 9.76 (br. s., 1 H), 8.07 (s, 1 H), 7.66 - 7.90 (m, 2 H), 7.52 - 7.66 (m, 2 H), 7.41 - 7.52 (m, 2 H), 7.35 (d, J = 8.99 Hz, 2 H), 7.22 - 7.30 (m, 1 H), 7.18 (d, J = 8.99 Hz, 2 H), 6.80 (d, J = 1.37 Hz, 1 H), 6.25 (s, 2 H), 4.98 - 5.12 (m, 1 H), 3.69 - 3.86 (m, 4 H), 3.12 - 3.29 (m, 4 H), 0.98 - 1.17 (m, 6 H); ES-LCMS: 585.4 (M+1 ).
Example 190
N-[5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(methylox
pyridin l]-4-cyanobenzenesulfonamide
Figure imgf000345_0001
[00477] A mixture of 4-cyano-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridin-3-yl)benzenesulfonamide (50 mg, 0.120 mmol), 6-bromo-1-(4-morpholinophenyl)-1 H- benzo[d]imidazol-2-amine (44.9 mg, 0.120 mmol) and PdCI2(dppf)-CH2CI2 adduct (9.95 mg, 0.012 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave irradiation for 10 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-[5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-4- cyanobenzenesulfonamide (17.8 mg, 0.028 mmol, 23.64 % yield) as a yellow solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.14 (s, 1 H), 8.00 (d, J = 8.21 Hz, 2 H), 7.86 (d, J = 8.40 Hz, 2 H), 7.65 (d, J = 1 .95 Hz, 1 H), 7.37 (d, J = 8.79 Hz, 2 H), 7.15 - 7.30 (m, 4 H), 6.87 (s, 1 H), 6.34 (br. s., 2 H), 3.70 - 3.87 (m, 4 H), 3.56 (s, 3 H), 3.21 - 3.28 (m, 4 H); ES-LCMS: 582.2 (M+1 ).
Example 191
N-[5-{2-amino-1-[4-(4-morphoUny phenyl]-1H-benzimidazo^6-yl}-2-(methyloxy)-3- pyridin l]-2-methyl-1-propanesulfonamide
Figure imgf000346_0001
[00478] A mixture of 2-methyl-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]-1 -propanesulfonamide (50 mg, 0.135 mmol), 6-bromo-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (50.4 mg, 0.135 mmol) and PdCI2(dppf)-CH2CI2 adduct (9.95 mg, 0.012 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave irradiation for 10 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and finally
concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-[5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2-methyl-1-propanesulfonamide (4.1 mg, 7.26 pmol, 5.37 % yield) as a yellow solid. 1H NMR (400 MHz, DMSO-cfe) δ ppm 9.29 (s, 1 H), 8.16 (d, J = 2.15 Hz, 1 H), 7.71 (d, J = 2Λ 5 Hz, 2 H), 7.35 (d, J = 8.99 Hz, 2 H), 7.21 - 7.30 (m, 2 H), 7.14 (d, J = 8.99 Hz, 2 H), 6.91 (m, 1 H), 6.28 (br. s, 1 H), 3.91 (s, 3 H), 3.63 - 3.81 (m, 4 H), 3.14 - 3.27 (m, 4 H), 3.00 (d, J = 6.45 Hz, 2 H), 2.17 (m, 1 H), 0.96 - 1 .15 (m, 6 H); ES-LCMS: 537.5 (M+1 ).
Example 192
N-[5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-2-(meth^ p ide
Figure imgf000347_0001
[00479] A mixture of N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyl]benzenesulfonamide (50 mg, 0.128 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (47.8 mg, 0.128 mmol) and PdCI2(dppf)-CH2CI2 adduct (9.95 mg, 0.012 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave irradiation for 10 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-[5-{2-amino-1 -[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3- pyridinyl]benzenesulfonamide as a yellow solid (3.0mg, 4.12% yield). 1H NMR (400 MHz, DMSO-ds) δ ppm 9.93 (s, 1 H), 7.71 (d, J = 7.42 Hz, 2 H), 7.37-7.60 (m, 5 H), 7.35 (d, J = 8.79 Hz, 2 H), 7.22-7.30 (m, 2 H) 7.19 (d, J = 8.98 Hz, 2 H), 6.75 (s, 1 H) 6.27 (br. s., 2 H), 3.75 - 3.81 (m, 4 H), 3.64 (s, 3 H), 3.20 - 3.30 (m, 4 H); ES-LCMS: 557.4 (M+1 ).
Example 193
N-[5-{2-amino-1 -[3-(4-thiomorpholinyl)propyl]-1 H-benzimidazol-6-yl}-2-(methyloxy) pyridinyl -2,4-difluorobenzenesulfonamide
Figure imgf000347_0002
[00480] A mixture of 6-bromo-1-[3-(4-thiomorpholinyl)propyl]-1 H-benzimidazol-2-amine (synthesized analogously as described in Example 207 Step A and StepB, 22 mg, 0.062 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyljbenzenesulfonamide (26.4 mg, 0.062 mmol) and PdCI2(dppf)-CH2CI2 adduct (5.06mg, 6.19 umol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-[5-{2-amino-1-[3- (4-thiomorpholinyl)propyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide (7.8 mg, 0.013 mmol, 20.82 % yield) as a white solid. 1H NMR (400 MHz, Methol-d4) δ ppm 10.29 (br. s., 1 H), 8.25 ( s., 1 H), 7.71 - 7.92 (m, 2 H), 7.50 - 7.61 (m, 1 H), 7.37 (s, 1 H) 7.18 (t, J = 7.62 Hz, 3 H), 6.63 (br. s., 2 H), 4.03 (t, J = 6.25 Hz, 2 H), 3.62 (s, 3 H), 2.57 (s, 8 H), 2.28 (t, J = 6.55 Hz, 2 H) 1.86 (t, J = 6.55 Hz, 2 H); ES-LCMS: 575.4 (M+1 ).
Example 194
N-[5-{2-amino-1-[3-(tetrahydro-1,4-oxazepin-4(5H)-yl)propyl]-1H-benzimidazol^
(methyloxy)-3-p ridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000348_0001
[00481] A mixture of 6-bromo-1-[3-(tetrahydro-1 ,4-oxazepin-4(5H)-yl)propyl]-1 H- benzimidazol-2-amine (synthesized analogously as described in Example 207 Step A and StepB, 18.5 mg, 0.052 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (22.32 mg, 0.052 mmol) and PdCI2(dppf)- CH2CI2 adduct (5.06mg, 6.19 umol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S0 , filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-[5-{2-amino-1-[3-(tetrahydro-1 ,4-oxazepin-4(5H)-yl)propyl]-1 H- benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide (9.6 mg, 0.016 mmol, 30.7 % yield) as a white solid. H NMR (400 MHz, Methanol-d4) δ ppm 8.28 (br. s., 3 H), 8.22 (br. s., 2 H), 8.01 (br. s., 1 H), 7.73 - 7.90 (m, 1 H), 7.66 (br. s., 1 H), 7.44 (br. s., 2 H), 7.21 (t, J = 8.78 Hz, 1 H), 7.00 - 7.10 (m, 1 H), 4.27 (br. s., 2 H), 3.82 (br. s., 2 H), 3.77 (s., 2 H), 3.25 (br. s., 2 H), 3.19 (br. s., 2 H), 3.12 (br. s., 2 H), 2.65 (s, 2 H), 2.24 (br. s., 2 H), 2.06 (br. s., 2 H); ES-LCMS: 573.3 (M+1 ).
Example 195
N-[5-{2-amino-1-[3-(4-hydroxy-1^iperidinyl)propyl]-1H-benzw'
3-pyridinyl -2,4-difluorobenzenesulfonamide
Figure imgf000349_0001
[00482] A mixture of 1-[3-(2-amino-6-bromo-1 H-benzimidazol-1-yl)propyl]-4-piperidinol (synthesized analogously as described in Example 207 Step A and StepB, 25.3 mg, 0.072 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyl]benzenesulfonamide (30.5 mg, 0.072 mmol) and PdCI2(dppf)-CH2Cl2 adduct (5.06mg, 6.19 umol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and finally concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-[5-{2- amino-1 -[3-(4-hydroxy-1-piperidinyl)propyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]- 2,4-difluorobenzenesulfonamide as a white solid (9.6 mg, 23.41 %). 1H NMR (400 MHz, Methanol-d4) δ ppm 7.82 - 8.04 (m, 2 H), 7.67 - 7.81 (m, 1 H), 7.21 - 7.38 (m, 2 H), 7.05 - 7.19 (m, 2 H), 6.96 - 7.05 (m, 1 H), 3.99 - 4.16 (m, 2 H), 3.82 (m, 3 H), 3.63 (s, 1 H), 2.79 (br. s., 2 H), 2.33 (t, J = 6.64 Hz, 2 H), 2.13 (br. s., 2 H), 1.96 - 2.08 (m, 2 H), 1.78 - 1.95 (m, 2 H), 1.42 - 1.63 (m, 2 H); ES-LCMS: 573.5 (M+1 ). Example 196
N-[5-{2-amino-1-[3-(1,1-dioxido-4-thiomorpholinyl)propyl]-1H-benzimM^
(methyloxy)-3-p ridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000350_0001
[00483] A mixture of 6-bromo-1-[3-(1 ,1-dioxido-4-thiomorpholinyl)propyl]-1 H- benzimidazol-2-amine (synthesized analogously as described in Example 207 Step A and StepB, 36.2 mg, 0.093 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (39.8 mg, 0.093 mmol) and PdCI2(dppf)- CH2CI2 adduct (5.06mg, 6.19 umol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-[5-{2-amino-1-[3-(1 ,1 -dioxido-4-thiomorpholinyl)propyl]-1 H-benzimidazol-6-yl}-2- (methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide as a white solid (17.8mg, 31.1 %). 1H NMR (400 MHz, Methanol-d,) δ ppm 8.24 (s, 1 H), 7.66 - 7.89 (m, 2 H), 7.50 (br. s., 1 H), 7.30 (br. s., 1 H), 7.07 - 7.21 (m, 3 H), 7.01 (d, J = 8.01 Hz, 1 H), 6.45 (s, 2 H), 3.98 - 4.13 (m, 2 H), 3.71 (s, 3 H), 2.93 - 3.07 (m, 4 H), 2.72 - 2.84 (m, 4 H), 2.43 (t, J = 6.55 Hz, 2 H), 1.84 (t, J = 6.45 Hz, 2H); ES-LCMS: 607.2 (M+1 ).
Example 197
N-[5-{2-amino-1-[3-(4-fluoro-1-piperidinyl)propyl]-1H-benzimidazo^
pyridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000351_0001
[00484] A mixture of 6-bromo-1-[3-(4-fluoro-1-piperidinyl)propyl]-1 H-benzimidazol-2- amine (synthesized analogously as described in Example 207 Step A and StepB, 14 mg, 0.039 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3-dioxolan-2-yl)-3- pyridinyl]benzenesulfonamide (16.88 mg, 0.039 mmol) and PdCl2(dppf)-CH2Cl2 adduct (5.06mg, 6.19 umol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, dried over Na2S0 , filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-[5-{2-amino-1-[3-(4- fluoro-1-piperidinyl)propyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide as a white solid (3.0 mg, 13.25%). 1H NMR (400 MHz, Methanol- d4) δ ppm 8.19 (s, 1 H), 7.70 - 7.85 (m, 2 H), 7.45-7.59 (m, 1 H), 7.34 (br. s., 1 H), 7.07 - 7.21 (m, 3 H), 6.65 (s, 2 H), 4.01-4.10 (m, 2 H), 3.61 (s, 3 H), 3.50 (s, 2 H), 2.21-2.36 (m, 4 H), 1.76- 1.89 (m, 4 H), 1.68 (br. s., 2 H), 1.28 (s, 1 H); ES-LCMS: 575.2 (M+1 ).
Example 198
N-[5-{2-amino-1-[3-(1-piperidinyl)propyl]-1H-benzimidazol-6-yl}-2-(meth^
2,4-difluorobenzenesulfonamide
Figure imgf000351_0002
[00485] A mixture of 6-bromo-1-[3-(1-piperidinyl)propyl]-1 H-benzimidazol-2-amine (synthesized analogously as described in Example 207 Step A and StepB, 21 mg, 0.062 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyl]benzenesulfonamide (26.5 mg, 0.062 mmol) and PdCI2(dppf)-CH2CI2 adduct (5.06 mg, 6.19 umol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-[5-{2-amino-1-[3- (1-piperidinyl)propyl]-1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide as a white solid (6.1 mg, 17.42%). 1H NMR (400 MHz, Methanol- d ) δ ppm 7.95 (br. s., 1 H), 7.78 (d, J = 7.23 Hz, 1 H), 7.61 (br. s., 1 H), 7.40 (br. s., 1 H), 7.22 (br. s., 1 H), 7.16 (d, J = 7.62 Hz, 2 H), 7.07 (d, J = 7.43 Hz, 1 H) , 6.66 (br. s., 2 H), 4.01 (br. s., 2 H), 3.68 (br. s., 3 H), 2.33 (br. s., 4 H), 2.22 (br. s., 2 H),1.79 - 2.06 (m, 2 H), 1.51 (br. s., 4 H), 1.39 (br. s., 2 H); ES-LCMS: 557.3 (M+1 ).
Example 199
N-[5-(2-amino-1-{3-[(tetrahydro-2-furanylmethyl)amino]propyl}-1H-benzim
(methyloxy)-3-p ridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000352_0001
[00486] A mixture of 6-bromo-1-{3-[(tetrahydro-2-furanylmethyl)amino]propyl}-1 H- benzimidazol-2-amine (synthesized analogously as described in Example 207 Step A and StepB, 20.2 mg, 0.057 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (24.37 mg, 0.057 mmol) and PdCI2(dppf)- CH2CI2 adduct (5.06 mg, 6.19 umol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-[5-(2-amino-1-{3-[(tetrahydro-2-furanylmethyl)amino]propyl}-1 H- benzimidazol-6-yl)-2-(methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide (9.5 mg, 0.017 mmol, 29.0 % yield) as a white solid. H NMR (400 MHz, Methanol-^) δ ppm 7.83 - 7.96 (m, 2 H), 7.79 (s, 1 H), 7.21 - 7.32 (m, 2 H), 7.06 - 7.21 (m, 2 H), 6.96 - 7.06 (m, 1 H), 4.15 (t, J = 6.45 Hz, 2 H), 3.98 (dd, J = 7.04, 4.49 Hz, 1 H), 3.81 (s, 3 H), 3.68 - 3.77 (m, 1 H), 2.54 - 2.77 (m, 4 H), 1.82 - 2.07 (m, 4 H), 1.52 (dd, J = 1 1.82, 8.11 Hz, 1 H); ES-LCMS: 573.3 (M+1 ).
Example 200
N-[5-{2-amino-1-[3-(2,6-dimethyl-4-morpholinyypropyl]-1H-benzimidazo
(methyloxy)-3-p ridinyl]-2,4-difluorobenzenesulfonamide
Figure imgf000353_0001
[00487] A mixture of 6-bromo-1-[3-(2,6-dimethyl-4-morpholinyl)propyl]-1 H-benzimidazol- 2-amine (synthesized analogously as described in Example 207 Step A and StepB, 21.5 mg, 0.059 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyl]benzenesulfonamide (24.95 mg, 0.059 mmol) and PdCI2(dppf)-CH2CI2 adduct (5.06 mg, 6.19 umol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-[5-{2- amino- 1 -[3-(2 ,6-dimethyl-4-morpholinyl)propyl]- 1 H-benzimidazol-6-yl}-2-(methyloxy)-3-pyridinyl]- 2,4-difluorobenzenesulfonamide as a white solid (15.2 mg, 44.3%). 1H NMR (400 MHz, CDCI3) δ ppm 8.04 - 8.31 (m, 1 H), 7.98 (s, 1 H), 7.76-7.92 (m, 1 H), 7.46 (d, J = 8.19 Hz, 1 H), 7.20 7.28 (m, 1 H), 7.14 (s, 1 H), 6.85-7.02 (m, 2 H), 5.94 (br. s., 2 H), 4.09 (br. s., 2 H), 3.93 (s, 3 3.70 (m, 2 H), 2.77 (d, J = 10.93 Hz, 2 H), 2.20 - 2.38 (m, 2 H) 2.07 (br. s., 2 H),. 1.78 (t, J = 10.83 Hz, 2 H), 1.19 - 1.37 (m, 6 H); ES-LCMS: 587.3 (M+1 ).
Example 201
2-amino-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-( ethyloxy)-3^yridiny
dimethyl-1 H-benzimidazole-1 -sulfonamide
Figure imgf000354_0001
[00488] To a solution of 2-amino-6-iodo-N,N-dimethyl-1 H-benzirnidazole-1-sulfonamide (36.3 mg, 0.099 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan- 2-yl)-3-pyridinyl]benzenesulfonamide (42.2 mg, 0.099 mmol) and PdCI2(dppf)-CH2Cl2 adduct (5.06mg, 6.19 umol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with a microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-6^[5-{[(2,4-difluorophenyl)sulfqnyl]amino}-6-(methyloxy)-3-pyridinyl]-N,N- dimethyl-1 H-benzimidazole-1 -sulfonamide (12.1 mg, 0.022 mmol, 22.01 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 10.30 (s, 1 H), 8.19 (br. s., 1 H), 7.66 - 7.82 (m, 2 H), 7.49 - 7.66 (m, 2 H), 7.36 (d, J = 8.21 Hz, 1 H), 7.29 (d, J = 8.21 Hz, 1 H), 7.20 (m, 1 H), 6.99 (s, 2 H), 3.67 (s, 3 H), 2.92 (s, 6 H); ES-LCMS: 539.0 (M+1 ).
Example 202
N-[5-[2-amino-1-(cyclopropylsulfonyl)-1H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]^
2,4-difluorobenzenesulfonamide
Figure imgf000355_0001
[00489] To a solution of 1-(cyclopropylsulfonyl)-6-iodo-1 H-benzimidazol-2-amine (34.1 mg, 0.094 mmol), potassium acetate (92 mg, 0.938 mmol) and PdCI2(dppf)-CH2Cl2 adduct (5.06 mg, 6.19 umol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-[5-[2- amino-1-(cyclopropylsulfonyl)-1 H-benzimidazol-6-yl]-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide (7.5 mg, 0.014 mmol, 14.92 % yield) as a white solid. 1H NMR (400 MHz, DMSO-de) δ 8.05 (br. s., 1 H), 7.78 (br. s., 1 H), 7.43-7.72 (m, 3 H), 7.22-7.42 (m, 2H) 7.16 (br. s., 1 H), 7.03 (br. s., 2 H), 3.67 (br. s., 3 H), 2.66 (br. s., 1 H), 1.33 (br. s., 2 H) 1.14 (br. s., 2 H); ES-LCMS: 536.2 (M+1 ).
Example 203
N-[5-(2-amino-1-{[1-(4-morpholinylmethyl)cyclopropyl]methyl}-1H-benzimi^^
(methyloxy)- esulfonamide
Figure imgf000355_0002
[00490] A mixture of 6-bromo-1-{[1-(4-morpholinylmethyl)cyclopropyl]methyl}-1 H- benzimidazol-2-amine (synthesized analogously as described in Example 161 Step A , Step B and StepC, 25.7 mg, 0.070 mmol)and 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl- 1 ,3,2-dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (30 mg, 0.070 mmol), potassium acetate (69.1 mg, 0.704 mmol) and PdCI2(dppf)-CH2Cl2 adduct (8.62 mg, 10.56 pmol) in 1 ,4- dioxane (3 mL) and H2O(0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0- 60% ACN/ H20 + formic acid) to give the product N-[5-(2-amino-1-{[1-(4-morpholinylmethyl) cyclopropyl] methyl}-1 H-benzimidazol-6-yl)-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide (15.5 mg, 0.025 mmol, 35.8 % yield) as a brown solid . 1H NMR (400 MHz, DMSO-c e) δ 8.26 (br. s., 1 H), 8.15 (br. s., 1 H), 7.95 (br. s., 1 H), 7.82 (br. s., 1 H), 7.69-7.80 (m, 1 H), 7.51-7.62 (m, 1 H) 7.49 (br. s., 1 H), 7.20 (br. s., 2 H), 3.99 (br. s., 4 H), 3.62 (s, 3 H), 2.89 (br. s., 4H), 2.45 (br. s., 2H), 2.09 (br. s., 2H), 0.84 (br. s., 2H), 0.40 (br. s., 2 H); ES-LCMS: 585.4 (M+1 ).
Example 204
N-[5-{2-amino-1-[3-(4-morpholinyl)butyl]-1H-benzimidazol-6-yQ-2-(me
2,4-difluorobenzenesulfonamide
Figure imgf000356_0001
[00491] A mixture of 6-bromo-1-[3-(4-morpholinyl)butyl]-1 H-benzimidazol-2-amine (synthesized analogously as described in Example 161 Step A , Step B and StepC, 37.1 mg, 0.105 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyl]benzenesulfonamide (44.8 mg, 0.105 mmol), potassium acetate (69.1 mg, 0.704 mmol) and PdCI2(dppf)-CH2CI2 adduct (8.62 mg, 10.56 μηιοΙ) in 1 ,4-Dioxane (3 mL) and H2O(0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-[5-{2-amino-1-[3-(4-morpholinyl)butyl]-1 H-benzimidazol-6-yl}-2- (rnethyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide (18.4 mg, 0.032 mmol, 30.3 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ 8.24 (br. s., 1 H), 8.13 (s, 1 H), 7.79 (br. s.,.1 H), 7.70-7.78 (m, 1 H), 7.50-7.62 (m, 1 H), 7.34 (br. s., 1 H), 7.12-7.24 (m, 2 H), 6.67 (br. s., 2 H), 4.02-4.12 (m, 2H), 3.62 (s, 3 H), 3.50-3.59 (m, 4H), 2.29-2.38 (m, 1 H), 2.22-2.28 (m, 2H), 1.80- 1.92 (m, 2H), 1.64-1.77 (m, 2H); ES-LCMS: 573.3 (M+1 ).
Example 205
N-(5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)-2-metho
l)thiophene-2-sulfonamide
Figure imgf000357_0001
[00492] Thiophene-2-sulfonyl chloride (15.79 mg, 0.086 mmol) was added to 6-(5-amino-
6-methoxypyridin-3-yl)-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-2-amine (30 mg, 0.072 mmol) in Pyridine (1 mL) and the solution was stirred at room temperature for 60 minutes. All the solvents were removed and the crude residue was purified by reverse phase
chromatography (0-60% ACN/ H20 + formic acid) to give the product N-(5-(2-amino-1-(4- morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-2-methoxypyridin-3-yl)thiophene-2-sulfonamide (14.6 mg, 0.026 mmol, 35.7 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.15 - 8.28 (m, 1 H), 7.84 (dd, J = 4.98, 1.27 Hz, 1 H), 7.61 (d, J = 2.35 Hz, 1 H), 7.47 (dd, J = 4.98, 1.27 Hz, 1 H), 7.36 - 7.45 (m, 3 H), 7.33 (d, J = 6.64 Hz, 2 H), 7.21 (d, J = 8.99 Hz, 2 H), 6.99 - 7.15 (m, 1 H), 6.75 - 6.98 (m, 2 H), 3.74 - 3.88 (m, 4 H), 3.71 (s, 3 H), 3.12 - 3.29 (m, 4 H); ES- LCMS: 563.2 (M+1 ).
Example 206
N-(5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazo 6-y -2-metho
1-methyl-1H-indole-7-sulfonamide
Figure imgf000358_0001
[00493] 1-methyl-1 H-indole-7-sulfonyl chloride (19.85 mg, 0.086 mmol) was added to the solution of 6-(5-amino-6-methoxypyridin-3-yl)-1-(4-morpholinophenyl)-1 H-benzo[d]imidazol-2- amine (30 mg, 0.072 mmol) in pyridine (1 mL). The solution was stirred at room temperature for 60 minutes. All the solvents were removed and the crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product N-(5-(2-amino-1-(4- morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)-2-methoxypyridin-3-yl)-1-methyl-1 H-indole-7- sulfonamide (12.8 mg, 0.021 mmol, 28.9 % yield) as a white solid. 1H NMR (400 MHz, DMSO- d6) δ ppm 8.02 (br. s., 1 H), 7.75 (d, J = 7.65 Hz, 1 H), 7.62 (d, J = 7.61 Hz, 1 H), 7.40 - 7.54 (m, 2 H), 7.32 (d, J = 8.98 Hz, 2 H), 7.18 (d, J = 8.98 Hz, 2 H), 7.22 (d, J = 8.19 Hz, 1 H), 7.05 - 7.12 (m, 1 H), 6.87 (m, 1 H), 6.69 (s, 2 H), 6.61 (d, J = 2.93 Hz, 2 H), 6.31 (br. s., 4 H), 4.23 (s, 3 H), 3.75 - 3.84 (m, 4 H), 3.72 (s, 3 H), 3.22 - 3.29 (m, 4 H); ES-LCMS: 610.3 (M+1).
Example 207
N-(5-(2-amino-1-(3-cyanopropyl)-1H-benzo[d]imidazol-6-yl)-2-methoxypyridi
Figure imgf000358_0002
Step A
6-bromo-1-(3-chloropropyl)-1H-benzimidazol-2-
Figure imgf000359_0001
[00494] A mixture of 3-(2-amino-6-bromo-1 H-benzimidazol-1-yl)-1-propanol (3.312 g, 12.3 mmol) in thionyl chloride (12.3 mL) was stirred at RT for 10 minutes then heated to reflux for 30 minutes. The resulting solution was allowed to cool before being concentrated. The residue was diluted with methanol (25 mL) and concentrated. The residue was diluted with water and K2C03 solution was added drop wise to bring the pH to 8. The mixture was then filtered to yield 6-bromo-1-(3-chloropropyl)-1 H-benzimidazol-2-amine as a tan solid (3.67 g,>100 %). The crude solid was used without purification assuming theoretical yield. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.66 (br. s., 2 H) 7.76 (s, 1 H) 7.12 - 7.47 (m, 2 H) 4.23 (t, J=6.7 Hz, 2 H) 3.71 (t, J=6.7 Hz, 2 H) 2.03 - 2.21 (m, 2 H). LCMS: m/z 288.1 (MH+).
Step B
4-(2-amino-6-bromo-1H-benzo[d]imidazol-1-yl)butanenitrile
Figure imgf000359_0002
[00495] A solution of 6-bromo-1-(3-chloropropyl)-1 H-benzo[d]imidazol-2-amine (50 mg, 0.173 mmol) and sodium cyanide (8.49 mg, 0.173 mmol) with Nal (2 mg) in N,N- dimethylformamide (DMF) (3 mL) was stirred at 65 °C. After 16 hours, the reaction was diluted with EtOAc, washed with water, dried (brine, Na2S04) and used directly in the subsequent reaction. ES-LCMS: 279.1 , 281.1 (M+1 ).
Step C
N-(5-(2-amino- 1-(3-cyanopropyl)- 1 H-benzo[d]imidazol-6-yl)-2-methoxypyridin-3-yl)-2, 4- difluorobenzenesulfonamide
Figure imgf000360_0001
[00496] A degassed solution of 2,4-difluoro-N-(2-methoxy-5-(4,4)5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (73.7 mg, 0.173 mmol) and 4-(2-amino-6- bromo-1 H-benzo[d]imidazol-1-yl)butanenitrile (48.3 mg, 0.173 mmol) with PdCI2(dppf)-CH2CI2 adduct (14.13 mg, 0.017 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat aq, 1 mL) was degassed, then heated with microwave irradiation to 120 °C. After cooling to room temperature, the reaction was diluted with EtOAc and water. The combined organics were washed with brine, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (10-90% ACN/ H20 + formic acid). . Isolation and lyophilization of the fractions gave the desired product as an off white solid. 1H NMR (400 MHz, DMSO-06) δ ppm 8.35 (m, 1 H); 8.14 (s, 1 H), 7.90 (m, 1 H), 7.75 (m, 1 H), 7.62 (br. s., 1 H), 7.58 (m, 1 H), 7.42 (br. s., 1 H), 7.30 (m, 2 H), 7.20 (m, 1 H), 7.16 - 7.29 (m, 4 H), 4.11 (m, 2 H), 3.61 (s, 3H), 2.58 (m, 2 H), 2.02 (m, 2 H); ES+ LCMS: 499.3 (M+1 ).
Example 208
N-(5-(2-amino-1-(2-thiomorphoUnoethyl)-1H-benzo[d]imidazol-6-yl)-2-methoxy
Figure imgf000360_0002
Step A
6-bromo- 1-(2-thiomorpholinoethyl)~ 1 H-benzo[d]imidazol-2-
Figure imgf000361_0001
[00497] A solution of 6-bromo-1-(2-chloroethyl)-1 H-benzo[d]imidazol-2-amine (65 mg,
0.237 mmol) in thiomorpholine (1221 mg, 11.84 mmol) with Nal (2 mg) was stirred at 105 °C. After 3 hrs the reaction was diluted with EtOAc, washed with water, dried (brine, Na2S04) and used directly in the subsequent reaction! ES-LCMS: 341.3, 343.3 (M+1 ).
Step B
-amino- 1 -(2-thiomorpholinoethyl)- 1 H-benzo[d]imidazol-6-yl)-2-methoxypyridin-3-yl)-2, 4-
Figure imgf000361_0002
[00498] A degassed solution of 2,4-difluoro-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (73.7 mg, 0.173 mmol) and 6-bromo-1-(2- thiomorpholinoethyl)-1 H-benzo[d]imidazol-2-amine (59.2 mg, 0.173 mmol) with PdCI2(dppf)- CH2CI2 adduct (14.13 mg, 0.017 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat aq, 1 mL) was degassed, then heated with microwave irradiation to 120 °C. After cooling to room temperature, the reaction was diluted with EtOAc and water. The combined organics were washed with brine, dried over Na2S0 , filtered, and concentrated. The crude residue was purified by reverse phase chromatography (10-90% ACN/ H20 + formic acid). Isolation and lyophilization of the fractions gave the desired product as an off white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.7 (br. s., 2H) 8.37 (m, 1 H), 8.14 (s, 1 H), 7.95 (m, 1 H), 7.82 (br. s., 1 H), 7.77 (m, 1 H), 7.58 (m, 1 H), 7.49 (m, 1 H), 7.45 (m, 1 H), 7.20 (m, 1 H), 4.29 (m, 2 H), 3.61 (s, 3H), 3.35 (br. s., 6 H), 2.73 (br. s., 4 H); ES+ LCMS: 561.3 (M+1 ).
Example 209 N-(5-(2-amino-1-(2-(1, 1-dioxidothiomorpholino)ethyl)-1H-benz
meth namide
Figure imgf000362_0001
Step A
4-(2-(2-amino-6-bromo- 1 H-benzo[d]imidazol-1-yl)ethyl)thiomorpholine 1, 1 -dioxide
Figure imgf000362_0002
[00499] A solution of chloride (65 mg, 0.237 mmol) with thiomorpholine dioxide (1600 mg, 1 1.84 mmol) in Ν,Ν-dimethylformamide (DMF) (3 ml_) with Nal (2 mg) was stirred at 105 °C. After 3 hrs the reaction was diluted with EtOAc, washed with water, dried (brine, Na2S04) and used directly in the subsequent reaction. ES-LCMS: 373.3, 375.3 (M+1 ).
Step B
N-(5-(2-amino-1-(2-(1, 1-dioxidothiomorpholino)ethyl)-1H-benzo
meth namide
Figure imgf000362_0003
[00500] A degassed solution of 2,4-difluoro-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (0.101 g, 0.237 mmol) and 4-(2-(2-amino-6- bromo-1 H-benzo[d]imidazol-1-yl)ethyl)thiomorpholine 1 ,1-dioxide (0.088 g, 0.237 mmol) with PdCI2(dppf)-CH2CI2 adduct (19 mg, 0.024 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat aq, 1 mL) was degassed, then heated with microwave irradiation to 120 °C. After cooling to room temperature, the reaction was diluted with EtOAc and water. The combined organics were washed with brine, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (10-90% ACN/ H20 + formic acid). Isolation and lyophilization of the fractions gave the desired product as an off white solid. H NMR (400 MHz, DMSO-d6) δ ppm 8.37 (m, 1 H), 7.90 (m, 1 H), 7.75 (m, 1 H), 7.59 (m, 2 H), 7.30 (m, 2 H), 7.21 (m, 1 H), 7.49 (m, 1 H), 7.45 (m, 1 H), 7.20 (m, 1 H), 4.23 (m, 2 H), 3.63 (s, 3H), 3.30 (br. s., 8 H), 2.83 (m, 2 H); ES-LCMS: 593.3 (M+1 ).
Example 210
N-(5-(2-amino-1^henyl-1H-benzo[d]imidazol-6-yl)-2-methoxypyridin-3-yl)-2,4-
Figure imgf000363_0001
Step A
4-bro -2-nitro-N-phenylaniline
Figure imgf000363_0002
[00501] A solution of 4-bromo-1-fluoro-2-nitrobenzene (1.8 g, 8.18 mmol), aniline (0.896 mL, 9.82 mmol) and DIEA (2.144 mL, 12.27 mmol) in N,N-dimethylformamide (DMF) (10 mL) was heated in a microwave to 120 °C for 20 minutes. The reaction was then poured onto ice and filtered to give the product which was used directly. ES-LCMS: 293.0, 295.0 (M+1 ).
Step B
4-bromo-N1-phenylbenzene-1,2-diamine
Figure imgf000364_0001
[00502] A solution of 4-bromo-2-nitro-N-phenylaniline (2.4 g, 8.2 mmol) in ethanol (100 mL) was treated with a solution of sodium dithionate (13 g, 65 mmol) in water (100 mL) and the mixture was heated in to 50 °C for 16 hrs. Diluted with EtOAc, dried with brine Na2S04 and concentrated to an oil which was used directly. ES-LCMS: 263.0, 265.0 (M+1 ).
Step C
5-bromo- 1 -ph zol-2-amine
Figure imgf000364_0002
[00503] A solution of 4-bromo-N1-phenylbenzene-1 ,2-diamine (2.16 g, 8.2 mmol) in methanol (30 mL) was treated with cyanogen bromide (1.65 g, 16.4 mmol) and the mixture stirred for 3 hours. The reaction was partitioned between NaHC03 (aq.) and EtOAc and the organic layer dried (brine, Na2S04), concentrated and triturated with DCM to give the product. ES-LCMS: 288.0, 288.0 (M+1 ).
Step D
N-(5-(2-amino- 1-phenyl-1H-benzo[d]imidazol-6-yl)-2-methoxypyridin-3-yl)-2, 4-
Figure imgf000364_0003
[00504] A degassed solution of 2,4-difluoro-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (0.148 g, 0.347 mmol) 6-bromo-1-phenyl- 1 H-benzo[d]imidazol-2-amine (0.1 g, 0.237 mmol) with PdCI2(dppf)-CH2CI2 adduct (28 mg, 0.035 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat aq, 1 mL) was degassed, then heated with microwave irradiation to 120 °C. After cooling to room temperature, the reaction was diluted with EtOAc and water. The combined organics were washed with brine, dried over Na2S0 , filtered, and then concentrated. The crude residue was purified by reverse phase
chromatography (10-90% ACN/ H20 + formic acid). Isolation and lyophilization of the fractions gave the desired product as an off white solid. 1H NMR (400 MHz, DMSO-c 6) δ ppm 8.17 (m, 1 H), 7.70-7.5 (m, 8 H), 7.29 (m, 1 H), 7.26 (m, 1 H), 7.13 (m, 1 H), 6.95 (m, 1 H), 6.45 (br. s., 2 H), 3.61 (s, 3 H); ES-LCMS: 508.3 (M+1 ).
Example 211
N-(5-(2-amino-1-(tert-butyl)-1H-benzo[d]imidazol-6-yl)-2-methoxypyridi
Figure imgf000365_0001
Step A
4-bromo- -(tert-butyl)-2-nitroaniline
Figure imgf000365_0002
[00505] A solution of 4-bromo-1-fluoro-2-nitrobenzene (2 g, 9.09 mmol), t-butyl amine (0.997 g, 13.64 mmol) and DIEA (2.382 mL, 13.64 mmol) in N,N-dimethylformamide (DMF) (10 mL) was heated to 40 °C for 16 hrs. The reaction mixture was poured onto ice and the resulting precipitate filtered and used directly in the subsequent reaction. ES-LCMS: 273.0, 275.0 (M+1 ).
Step B
4-bromo-N 1 -(tert-butyl)benzene- 1, 2-diamine
Figure imgf000365_0003
[00506] A solution of 4-bromo-N-(tert-butyl)-2-nitroaniline compound (2.483 g, 9.09 mmol) in ethanol (100 mL) was treated with a solution of sodium dithionate (14.99 g, 72.7 mmol) in water (100 mL) and the mixture was heated in to 50 °C for 16 hrs. Diluted with EtOAc, dried with brine Na2S04 and concentrated to an oil which was used directly. ES-LCMS: 243.0, 245.0 (M+1 ).
Step C
5-bromo- l-(tert-b zol-2-amine
Figure imgf000366_0001
[00507] A solution of 4-bromo-N1-(tert-butyl)benzene-1 ,2-diamine (2.210 g, 9.09 mmol) in methanol (30 mL) was treated with cyanogen bromide (1.926 g, 18.18 mmol) and the mixture stirred for 16 hours. Added an additional 2 g of cyanogen bromide and heated to 50 °C for 12 hours. Purified on silica gel eluting the the desired product with 10% NH4OH : 90% MeOH as a brown solid. ES-LCMS: 268.0, 270.0 (M+1 ).
Step D
N-(5-(2-amino- l-(teii-butyl)- 1 H-benzo[d]imidazol-6-yl)-2-methoxypyridin-3-yl)-2, 4-
Figure imgf000366_0002
[00508] A degassed solution of 2,4-difluoro-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (0.127 g, 0.298 mmol) 6-bromo-1-(tert- butyl)-1 H-benzo[d]imidazol-2-amine (0.08 g, 0.298 mmol) with PdCI2(dppf)-CH2CI2 adduct (25 mg, 0.03 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat aq, 1 mL) was degassed, then heated with microwave irradiation to 120 °C. After cooling to room temperature, the reaction was diluted with EtOAc and water. The combined organics were washed with brine, dried over Na2S0 , filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (10-90% ACN/ H20 + formic acid). Isolation and lyophilization of the fractions gave the desired product as an off white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.27 (m, 1 H), 7.76 (m, 2 H), 7.59 (m, 2 H), 7.22 (m, 3 H), 6.55 (br. s., 2 H), 3.36 (s, 3 H),1.79 (s, 9 H) ; ES- LCMS: 488.3 (M+1 ).
Example 212
N-(5-(2-amino-1-(2-phenylpropan-2-yl)-1H-benzo[d]imidazol-6-yl)-2-metho
-difluorobenzenesulfonamide
Figure imgf000367_0001
Step A
4-bromo-2-n -2-yl)aniline
Figure imgf000367_0002
[00509] A solution of 4-bromo-1-fluoro-2-nitrobenzene (2 g, 9.09 mmol), cumyl amine (1.475 g, 11 mmol) and DIEA (2.382 mL, 13.64 mmol) in Ν,Ν-dimethylformamide (DMF) (10 mL) was heated to 60 °C for 16 hrs. The reaction mixture was poured onto ice and the resulting precipitate filtered and used directly in the subsequent reaction. ES-LCMS: 335.0, 337.0 (M+1).
Step B
4-bromo-N1-(2-phenylpropan-2-yl)benzene-1,2-diamine
Figure imgf000367_0003
[00510] A solution of 4-bromo-2-nitro-N-(2-phenylpropan-2-yl)aniline (3.05 g, 9.09 mmol) in ethanol (100 mL) was treated with a solution of sodium dithionate (18.7 g, 91 mmol) in water (100 mL) and the mixture was heated in to 50 °C for 16 hrs. Then DCM (50 mL) was added and another 4 eq of dithionite in water (50 mL). After 30 minutes, the reaction was partitioned between DCM and water and the organic layer dried (brine, Na2S04) and concentrated to give the crude product. ES-LCMS: 305.0, 307.0 (M+1 ).
Step C
5-bromo-1-(2-phenylpropan-2-yl)-1H-benzo[d]imidazol-2-amine
Figure imgf000368_0001
[00511] A solution of 4-bromo-N1-(tert-butyl)benzene-1 ,2-diamine (2.78 g, 9.09 mmol) in methanol (50 mL) was treated with cyanogen bromide (1.926 g, 18.18 mmol) and the mixture stirred for 16 hours at 50 °C. The mixture was next purified on silica gel, which eluted with the desired product in 10% NH40H : 90% MeOH as a light brown solid. ES-LCMS: 330.0, 332.0 (M+1).
Step D
N-(5-(2-amino-1-(2^henylpropan-2-yl)-1H-benzo[d]imidazol-6-yl)-2-methoxypyridi
Figure imgf000368_0002
[00512] A degassed solution of 2,4-difluoro-N-(2-methoxy-5-(4,4,5l5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (0.129 g, 0.3 mmol) 5-bromo-1-(2- phenylpropan-2-yl)-1 H-benzo[d]imidazol-2-amine (0.1 g, 0.3 mmol) with PdCI2(dppf)-CH2CI2 adduct (25 mg, 0.03 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat aq, 1 mL) was degassed, then heated with microwave irradiation to 120 °C. After cooling to room temperature, the reaction was diluted with EtOAc and water. The combined organics were washed with brine, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (10-90% ACN/ H20 + formic acid). Isolation and lyophilization of the fractions gave the desired product as an off white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 7.91 (m, 1 H), 7.71 (m, 1 H), 7.59-7.50 (m, 2 H), 7.45-7.15 (m, 9 H), 6.75 (br. s., 2 H), 3.61 (s, 3 H), 2.08 (s, 6 H) ; ES-LCMS: 550.5 (M+1 ).
Example 213
N-(5-(2-amino-1-((tetrahydro-2H-pyran-4-yl)methy -1H-benzo[d]imidazol^
meth amide
Figure imgf000369_0001
Step A
4-bromo-2-nitro- 4-yl)methyl)aniline
Figure imgf000369_0002
[00513] A solution of 4-bromo-1-fluoro-2-nitrobenzene (2 g, 9.09 mmol), (tetrahydro-2H- pyran-4-yl)methanamine(1.1 g, 10 mmol) and DIEA (2.382 mL, 13.64 mmol) in N,N- dimethylformamide (DMF) (10 mL) was heated to 60 °C for 16 hrs. The reaction mixture was poured onto ice and the resulting precipitate filtered and used directly in the subsequent reaction.ES-LCMS: 315.0, 317.0 (M+1 ).
Step B
4-bromo-N1-((tetrahydro-2H-pyran-4-yl)methyl)benzene-1,2-diamine
Figure imgf000370_0001
[00514] A solution of 4-bromo-2-nitro-N-((tetrahydro-2H-pyran-4-yl)methyl)aniline (2.87g, 9.09 mmol) in ethanol (100 mL) was treated with a solution of sodium dithionate (15 g, 72 mmol) in water (100 mL) and the mixture was stirred for 30 minutes. Then DCM (50 mL) was added and the reaction was partitioned between DCM and water and the organic layer dried (brine, Na2S04) and concentrated to give the crude product. ES-LCMS: 285.0, 287.0 (M+1 ).
Step C
5-bromo-1-((tetrahydro- enzo[d]imidazol-2-amine
Figure imgf000370_0002
[00515] A solution of 4-bromo-N1-((tetrahydro-2H-pyran-4-yl)methyl)benzene-1 ,2- diamine (2.6 g, 9.09 mmol) in methanol (50 mL) was treated with cyanogen bromide (1.56 g, 14.58 mmol) and the mixture stirred for 45 minutes. Purified on silica gel eiuting the the desired product with 10% NH4OH : 90% MeOH as a light brown solid. ES-LCMS: 310.0, 312.0 (M+1 ).
Step D
N-(5-(2-amino-1-((tetrahydro-2H-pyran-4-yl)methyl)-1H-benzo[d]im^
meth namide
Figure imgf000370_0003
[00516] A degassed solution of 2,4-difluoro-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (0.137 g, 0.3 mmol) 5-bromo-1-((tetrahydro- 2H-pyran-4-yl)methyl)-1 H-benzo[d]imidazol-2-amine'(0.1 g, 0.3 mmol) with PdCI2(dppf)-CH2CI2 adduct (26 mg, 0.03 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat aq, 1 mL) was degassed, then heated with microwave irradiation to 120 °C. After cooling to room temperature, the reaction was diluted with EtOAc and water. The combined organics were washed with brine, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (10-90% ACN/ H20 + formic acid). Isolation and lyophilization of the fractions gave the desired product as an off white solid. 1H NMR (400 MHz, DMSO-cfe) δ ppm 8.28 (m, 1 H) , 7.81 (m, 1 H), 7.75 (m, 1 H), 7.58 (m, 1 H), 7.48 (m, 1 H), 7.21-7.15 (m, 3H), 6.65 (br. s., 2 H), 3.94 (m, 2 H), 3.82 (m, 2H), 3.61 (s, 3 H), 3.20 (m, 2H), 1.38 (s, 5 H) ; ES- LCMS: 530.5 (M+1 ).
Example 214
N-(5-(2-amino-1-(2-(tetrahydro-2H-pyran-4-yl)ethyl)-1H-benzo[d]w'
meth ulfonamide
Figure imgf000371_0001
Step A
4-bromo-2-nitro-N-((tetrahydro-2H-pyran-4-yl)ethyl)aniline
Figure imgf000371_0002
[00517] A solution of 4-bromo-1-fluoro-2-nitrobenzene (1.55 g, 7.05 mmol), (tetrahydro- 2H-pyran-4-yl)ethanamine (1 g, 7.75 mmol) and DIEA (1.6 ml_, 9.16 mmol) in N,N- dimethylformamide (DMF) (10 mL) was stirred at RT for 16 hrs. The reaction mixture was poured onto ice and the resulting precipitate filtered and used directly in the subsequent reaction. ES-LCMS: 329.0, 331.0 (M+1).
Step B
4-bromo-N1-((tetrahydro-2H-pyran-4-yl)ethyl)benzene-1,2-diamine
Figure imgf000372_0001
[00518] A solution of 4-bromo-2-nitro-N-((tetrahydro-2H-pyran-4-yl)ethyl)aniline (2.33g, 7.09 mmol) in ethanol (100 mL) was treated with a solution of sodium dithionate (11.6 g, 56.6 mmol) in water (100 mL) and the mixture was stirred for 30 minutes. Then DCM (50 mL) was added and the reaction was partitioned between DCM and water and the organic layer then dried (brine, Na2S04) and concentrated to give the crude product. .ES-LCMS: 299.0, 301.0 (M+1 ).
Step C
5-bromo-1-(2-(tetrahydro- benzo[d]imidazol-2-amine
Figure imgf000372_0002
[00519] A solution of 4-bromo-N1-((tetrahydro-2H-pyran-4-yl)ethyl)benzene-1 ,2-diamine (2.1 g, 7.08 mmol) in methanol (20 mL) was treated with cyanogen bromide (1.2 g, 11.3 mmol) and the mixture stirred for 45 minutes. Purified on silica gel eluting the the desired product with 10% NH4OH : 90% MeOH as a light brown solid. ES-LCMS: 324.0, 326.0 (M+1).
Step D
N-(5-(2-amino-1-(2-(tetrahydro-2H^yran-4-yl)ethyl)-1H-benzo[d]w
meth amide
Figure imgf000372_0003
[00520] A degassed solution of 2,4-difluoro-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (0.131 g, 0.3 mmol) 5-bromo-1-((tetrahydro- 2H-pyran-4-yl)ethyl)-1 H-benzo[d]imidazol-2-amine (0.1 g, 0.3 mmol) with PdCI2(dppf)-CH2CI2 adduct (26 mg, 0.03 mmol) in 1 ,4-dioxane (3 ml_) and NaHC03 (sat aq, 1 mL) was degassed, then heated with microwave irradiation to 120 °C. After cooling to room temperature, the reaction was diluted with EtOAc and water. The combined organics were washed with brine, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (10-90% ACN/ H20 + formic acid). Isolation and lyophilization of the fractions gave the desired product as an off white solid. 1H NMR (400 MHz, DMSO-cfe) δ ppm 8.28 (m, 1 H) , 7.81 (m, 1 H), 7.75 (m, 1 H), 7.58 (m, 1 H), 7.48 (m, 1 H), 7.21-7.15 (m, 3H), 6.65 (br. s., 2 H), 3.94 (m, 2 H), 3.76 (m, 2H), 3.61 (s, 3 H), 3.15 (m, 4H), 1.34 (s, 5 H) ; ES- LCMS: 544.5 (M+1 ).
Example 215
N-(5-(2-amino-1-(pyridin-2-ylmethyl)-1H-benzo[d]imidazol-6-yl)-2-meth
-difluorobenzenesulfonamide
Figure imgf000373_0001
Step A
4-bromo- thyl)aniline
Figure imgf000373_0002
[00521] A solution of 4-bromo-1-fluoro-2-nitrobenzene (2 g, 9.09 mmol), (pyridin-2- ylmethanamine (1.18 g, 10.9 mmol) and DIEA (2.382 mL, 13.64 mmol) in N,N- - dimethylformamide (DMF) (10 mL) was heated to 60 °C for 16 hrs. The reaction mixture was poured onto ice and the resulting precipitate filtered and used directly in the subsequent reaction. ES-LCMS: 308.0, 310.0 (M+1 ).
Step B
4-bromo-N 1 - ne- 1, 2-diamine
Figure imgf000374_0001
[00522] A solution of 4-bromo-2-nitro-N-(pyridin-2-ylmethyl)aniline (9.09 mmol) in ethanol (100 mL) was treated with a solution of sodium dithionate (15 g, 72 mmol) in water (100 mL) and the mixture was stirred for 30 minutes. Then DCM (50 mL) was added and the reaction was partitioned between DCM and water and the organic layer was then dried (brine, Na2S04) and concentrated to give the crude product. ES-LCMS: 278.0, 280.0 (M+1 ).
Step C
5-bromo- 1 -(pyridin- -ylmethyl)- 1 H-benzo[d]imidazol-2-
Figure imgf000374_0002
[00523] A solution of 4-bromo-N 1-(pyridin-2-ylmethyl)benzene-1 , 2-diamine (9.09 mmol) in methanol (50 mL) was treated with cyanogen bromide (1.56 g, 14.58 mmol) and the mixture stirred for 45 minutes. The mixture was then purified on silica gel, and the desired product was eluted with 10% ΝΗ,ΟΗ : 90% MeOH as a light brown solid. ES-LCMS: 303.0, 305.0 (M+1 ).
Step D
N-(5-(2-amino-1-(pyridin-2-ylmethyl)-1H-benzo[d]imidazo
difluorobenzenesulfonamide
Figure imgf000374_0003
[00524] A degassed solution of 2,4-difluoro-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (0.137 g, 0.3 mmol) 5-bromo-1-(pyridin-2- ylmethyl)-1 H-benzo[d]imidazol-2-amine (0.1 g, 0.3 mmol) with PdCI2(dppf)-CH2Cl2 adduct (26 mg, 0.03 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat aq, 1 mL) was degassed, then heated with microwave irradiation to 120 °C. After cooling to room temperature, the reaction was diluted with EtOAc and water. The combined organics were washed with brine, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (10-90% ACN/ H20 + formic acid). Isolation and lyophilization of the fractions gave the desired product as an off white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.53 (m, 1 H) , 8.22 (m, 1 H), 7.75-7.66 (m, 3 H), 7.55 (m, 1 H), 7.42 (m, 1 H), 7.31-7.11 (m, 7H), 5.46 (s, 2 H), 3.94 (m, 2 H), 3.59 (s, 3 H) ; ES-LCMS: 523.5 (M+1 ).
Example 216
N-(5-(2-amino-1-(2-morpholino-1^henylethyl)-1H-benzo[d]imidazol-6-yl)-2- meth amide
Figure imgf000375_0001
Step A
4-bromo-N-(2 -2-nitroaniline
Figure imgf000375_0002
[00525] A solution of 4-bromo-1-fluoro-2-nitrobenzene (1 g, 4.55 mmol), 2-morpholino-1- phenylethanamine (0.94 g, 4.55 mmol) and DIEA (0.9 mL, 5.45 mmol) in N,N- dimethylformamide (DMF) (10 mL) was heated to 60 °C for 16 hrs. The reaction mixture was poured onto ice and the resulting precipitate filtered and used directly in the subsequent reaction. ES-LCMS: 406.0, 408.0 (M+1 ).
Step B
4-bromo-N1-(2-mo enzene- 1, 2-diamine
Figure imgf000376_0001
[00526] A solution of 4-bromo-N-(2-morpholino-1-phenylethyl)-2-nitroaniline (4.55 mmol) in ethanol (100 mL) was treated with a solution of sodium dithionate (8 g, 38 mmol) in water (100 mL) and the mixture was stirred for 30 minutes. Next, DCM (50 mL) was added and the reaction was partitioned between DCM and water and the organic layer dried (brine, Na2S04) and then concentrated to give the crude product. ES-LCMS: 376.0, 378.0 (M+1 ).
Step C
5-bromo- 1 -(2-morpholin nzo[d]imidazol-2-amine
Figure imgf000376_0002
[00527] A solution of 4-bromo-N1-(2-morpholino-1-phenylethyl)benzene-1 , 2-diamine (4.55 mmol) in methanol (20 mL) was treated with cyanogen bromide (0.78 g, 7 mmol) and the mixture stirred for 45 minutes. The resulting mixture was then purified on silica gel and the desired product was eluted with 10% NH40H : 90% MeOH as a light brown solid. ES-LCMS: 401.0, 403.0 (M+1 ).
Step D
N-(5-(2-amino-1-(2-morpholino-1^henylethyl)-1H-benzo[d]imidazol-6-yl)-2-m
2,4-difluorobenzenesulfonamide
Figure imgf000377_0001
[00528] A degassed solution of 2,4-difluoro:N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (0.137 g, 0.3 mmol) 5-bromo-1-(2- morpholino-1-phenylethyl)-1 H-benzo[d]imidazol-2-amine (0.1 g, 0.3 mmol) with PdCI2(dppf)- CH2CI2 adduct (26 mg, 0.03 mmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat aq, 1 mL) was degassed, then heated with microwave irradiation to 120 °C. After cooling to room temperature, the reaction was diluted with EtOAc and water. The combined organics were washed with brine, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (10-90% ACN/ H20 + formic acid). Isolation and lyophilization of the fractions gave the desired product as an off white solid. 1H NMR (400 MHz, DMSO-c/6) δ ppm 8.09 (m, 1 H) , 7.69 (m, 2 H), 7.55 (m, 2 H), 7.45 (m, 5 H), 7.32 (m, 2 H), 7.28-7.11 (m, 3H), 5.89 (m, 1 H), 3.94 (m, 2 H), 3.61 (s, 3 H), 2.63 (m, 2H), 2.35 (m, 2H) ; ES-LCMS: 621.5 (M+1 ).
Example 217
N-(5-(2-amino-1-(2-morpholino-2-phenylethyl)-1H-benzo[d]imidazol-6-yl)-2- meth namide
Figure imgf000377_0002
Step A
4-bromo-N-(2-morpholino-2-phenylethyl)-2-nitroaniline
Figure imgf000378_0001
[00529] A solution of 4-bromo-1-fluoro-2-nitrobenzene (1 g, 4.55 mmol), 2-morpholino-2- phenylethanamine (0.94 g, 4.55 mmol) and DIEA (0.9 mL, 5.45 mmol) in N,N- dimethylformamide (DMF) (10 mL) was heated to 60 °C for 16 hrs. The reaction mixture was poured onto ice and the resulting precipitate filtered and used directly in the subsequent reaction. ES-LCMS: 406.0, 408.0 (M+1 ).
Step B
4-bromo-N1-(2-morpholino-2-phenylethyl)benzene-1,2-diamine
Figure imgf000378_0002
[00530] A solution of 4-bromo-N-(2-morpholino-1-phenylethyl)-2-nitroaniline (4.55 mmol) in ethanol (100 mL) was treated with a solution of sodium dithionate (8 g, 38 mmol) in water (100 mL)" and the mixture was stirred for 30 minutes. Next, DCM (50 mL) was added and the reaction was partitioned between DCM and water and the organic layer dried (brine, Na2S04) and concentrated to give the crude product. ES-LCMS: 376.0, 378.0 (M+1 ).
Step C
5-bromo- 1-(2-morpholino-2- henylethyl)- 1 H-benzo[dJimidazol-2-amine
Figure imgf000378_0003
[00531] A solution of 4-bromo-N1-(2-morpholino-2-phenylethyl)benzene-1 ,2-diamine (4.55 mmol) in methanol (20 mL) was treated with cyanogen bromide (0.78 g, 7 mmol) and the mixture stirred for 45 minutes. The resulting mixture was then purified on silica gel and the desired product was eluted with 10% NH40H : 90% MeOH as a light brown solid. ES-LCMS: 401.0, 403.0 (M+1 ).
Step D
N-(5~(2-amino-1-(2-morpholino-2-phenylethyl)-1H-benzo[d]imidazo
-difluorobenzenesulfonamide
Figure imgf000379_0001
[00532] A degassed solution of 2,4-difluoro-N-(2-methoxy-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (0.137 g, 0.3 mmol) 5-bromo-1-(2- morpholino-2-phenylethyl)-1 H-benzo[d]imidazol-2-amine (0.1 g, 0.3 mmol) with PdCI2(dppf)- CH2CI2 adduct (26 mg, 0.03 mmol) in 1 ,4-dioxane (3 ml.) and NaHC03 (sat aq, 1 mL) was degassed, then heated with microwave irradiation to 120 °C. After cooling to room temperature, the reaction was diluted with EtOAc and water. The combined organics were washed with brine, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (10-90% ACN/ H20 + formic acid). Isolation and lyophilization of the fractions gave the desired product as an off white solid. 1H NMR (400 MHz, DMSO-cf6) δ ppm 8.27 (m, 1 H) , 7.83 (m, 1 H), 7.75 (m, 1 H), 7.57 (m, 1 H), 744 (m, 1 H), 7.33-7.17 (m, 8H), 6.94 (br. s., 2 H), 4.77 (m, 1 H), 4.30 (m, 1 H), 4.00 (m, 1 H) 3.61 (s, 3H), 2.57 (m, 2H), 2.20 (m, 2H) ; ES-LCMS: 621.5 (M+1 ).
Example 218
1-cyclopentyl-6-[5-(methylsulfonyl)-3-pyridinyl]-1H-benzimidazol-2-amine
Figure imgf000379_0002
[00533] A degassed mixture of [5-(methylsulfonyl)-3-pyridinyl]boronic acid (38 mg, 0.189 mmol), 6-bromo-1-cyclopentyl-1 H-beri2imidazol-2-amine (53.0 mg, 0.189 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.44 mg, 0.019 mmol), potassium acetate (55.7 mg, 0.567 mmol) and 6- bromo-1-cyclopentyl-1 H-benzimidazol-2-amine (53.0 mg, 0.189 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of Celite®. The filtrate was concentrated onto silica gel and purified by column chromatography (silica gel, 0-20% MeOH/EtOAc) to obtain 1-cyclopentyl-6- [5-(methylsulfonyl)-3-pyridinyl]-1 H-benzimidazol-2-amine (15 mg, 0.040 mmol, 21.15 % yield): H NMR (400 MHz, DMSO-cfe) δ ppm 1.70 (br. s., 2 H) 1.98 (br. s., 4 H) 2.16 (br. s., 2 H) 3.41 (s, 3 H) 4.79 (quin, J=8.70 Hz, 1 H) 6.56 (s, 2 H) 7.28 (d, J=8.11 Hz, 1 H) 7.41 (d, J=8.21 Hz, 1 H) 7.52 (s, 1 H) 8.45 (s, 1 H) 8.95 (s, 1 H) 9.21 (s, 1 H); ES LC-MS m/z =357.5 (M+H)+.
Example 219
6-[5-(methylsulfonyl)-3^yridinyl]-1-[3-(4-morpholiny propyl]-1H-benzim
Figure imgf000380_0001
[00534] A degassed mixture of 3-(methylsulfonyl)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)pyridine (52.6 mg, 0.186 mmol), 6-bromo-1-[3-(4-morpholinyl)propyl]-1 H- benzimidazol-2-amine (63 mg, 0.186 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.17 mg, 0.019 mmol) and potassium acetate (54.7 mg, 0.557 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of Celite®. The filtrate was concentrated onto silica gel and purified by column chromatography (silica gel, 0-20% MeOH/EtOAc) to obtain 6-[5-(methylsulfonyl)-3-pyridinyl]-1- [3-(4-morpholinyl)propyl]-1 H-benzimidazol-2-amine (15 mg, 0.034 mmol, 18.47 % yield): 1H NMR (400 MHz, DMSO-d6) δ ppm 1.89 (quin, J=6.47 Hz, 2 H) 2.25 (t, J=6.60 Hz, 2 H) 2.32 (br. s., 4 H) 3.40 (s, 3 H) 3.55 (t, J=4.35 Hz, 4 H) 4.09 (t, J=6.35 Hz, 2 H) 6.72 (s, 2 H) 7.26 (d, J=8.1 1 Hz, 1 H) 7.44 (dd, J=8.21 , 1.76 Hz, 1 H) 7.68 (d, J=1.56 Hz, 1 H) 8.50 (t, J=2.15 Hz, 1 H) 8.94 (d, J=2.15 Hz, 1 H) 9.24 (d, J=2.15 Hz, 1 H); ES LC-MS m/z =416.5 (M+H)+.
Example 220
t hyls ulfonyl)-3-pyridinyl]- 1 -[( 1 S)- 1 -phenylethyl]- 1 H-benzimidazol-2-amine
Figure imgf000381_0001
[00535] A degassed mixture of [5-(methylsulfonyl)-3-pyridinyl]boronic acid (38.1 mg, 0.190 mmol), 6-bromo-1 -[(1 S)-1 -phenylethyl]-1 H-benzimidazol-2-amine (60 mg, 0.190 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.50 mg, 0.019 mmol) and potassium acetate (55.9 mg, 0.569 mmol) in 1 ,4-dioxane (2 ml_) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of Celite®. The filtrate was concentrated onto silica gel and purified by column chromatography (silica gel, 0-20%
MeOH/EtOAc) to obtain 6-[5-(methylsulfonyl)-3-pyridinyl]-1-[(1 S)-1 -phenylethyl]-1 H- benzimidazol-2-amine (25 mg, 0.061 mmol, 31 .9 % yield) as a white solid: H NMR (400 MHz, DMSO-de) δ ppm 1 .91 (d, J=7.02 Hz, 3 H) 3.36 (s, 3 H) 5.86 (q, J=6.99 Hz, 1 H) 6.71 (s, 2 H) 7.09 (s, 1 H) 7.22 - 7.33 (m, 2 H) 7.33 - 7.43 (m, 5 H) 8.24 (s, 1 H) 8.90 (d, J=1 .66 Hz, 1 H) 8.96 (d, J=1.66 Hz, 1 H); ES LC-MS m/z =393.5 (M+H)+.
Example 221
1-(1, 1-dimethylethyl)-6-[5-(methylsulfonyl)-3-pyridinyl]-1H-benzimidaz
Figure imgf000381_0002
[00536] A degassed mixture of [5-(methylsulfonyl)-3-pyridinyl]boronic acid (45.0 mg, 0.224 mmol), 6-bromo-1 -(1 , 1 -dimethylethyl)-1 H-benzimidazol-2-amine (60 mg, 0.224 mmol), Pd(dppf)2Cl2 CH2CI2 adduct (18.27 mg, 0.022 mmol) and potassium acetate (65.9 mg, 0.671 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h. The resulting mixture was allowed to cool to room temperature and concentrated. The residue was dissolved in CH2CI2 and a small amount of MeOH, and filtered through a plug of Celite®. The filtrate was concentrated. The residue was dissolved in DMF, filtered and purified by HPLC (10-60% CH3CN/H20, both containing 0.1 % formic acid) to obtain 1-(1 ,1-dimethylethyl)-6-[5- (methylsulfonyl)-3-pyridinyl]-1 H-benzimidazol-2-amine (47 mg, 0.114 mmol, 51.1 % yield) as a white solid: H NMR (400 MHz, DMSO-d6) δ ppm 1.75 - 1.85 (m, 9 H) 3.40 (s, 3 H) 6.20 (br. s., 2 H) 7.25 (d, =8.10 Hz, 1 H) 7.39 (dd, J=8.19, 1.37 Hz, 1 H) 7.80 (d, J=0.88 Hz, 1 H) 8.09 - 8.21 (m, 1 H) 8.43 (apparent.t, J=2.05 Hz, 1 H) 8.95 (d, J=2.05 Hz, 1 H) 9.18 (d, J=2.05 Hz, 1 H); ES LC-MS m/z =345.4 (M+H)+.
Example 222
6-[5-(methylsulfonyl)-3^yridinyl]-1-(phenylsulfonyl)-1H-benzimidazol-2-amm^
Figure imgf000382_0001
[00537] A degassed mixture of [5-(methylsulfonyl)-3-pyridinyl]boronic acid (35.2 mg, 0.175 mmol), 6-iodo-1-(phenylsulfonyl)-1 H-benzimidazol-2-amine (70 mg, 0.175 mmol), Pd(dppf)2CI2 CH2CI2 adduct (14.32 mg, 0.018 mmol) and potassium acetate (51.6 mg, 0.526 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 50 °C overnight. The reaction mixture was allowed to cool to room temperature, then diluted with EtOAc (50 mL) and water (50 mL). The aq. layer was washed with CH2CI2 (50 mL). The organic layers were combined, dried (Na2S04), filtered and then concentrated. The residue was taken up into DMF and purified by HPLC (0-100% CH3CN/H20, both containing 0.1 % formic acid) to obtain 6-[5- (methylsulfonyl)-3-pyridinyl]-1-(phenylsulfonyl)-1 H-benzimidazol-2-amine (18 mg, 0.040 mmol, 23.00 % yield) as a white solid: H NMR (400 MHz, DMSO-d6) δ ppm 3.43 (s, 3 H) 7.30 (d, J=8.19 Hz, 1 H) 7.41 (s, 2 H) 7.59 - 7.70 (m, 3 H) 7.75 - 7.81 (m, 1 H) 8.02 (d, .7=1.56 Hz, 1 H) 8.16 (d, J=1.17 Hz, 1 H) 8.18 (s, 1 H) 8.47 (J=2.15 Hz, 1 H) 9.03 (d, J=2.15 Hz, 1 H) 9.23 (d, =2.15 Hz, 1 H); ES LC-MS m/z =429.3 (M+H)+. Example 223
6-[6-(methyloxy)-5-(methylsulfony -3^yridinyl]-1-[4-(4-morpholinyl)ph
benzimidazol-2-amine
Figure imgf000383_0001
[00538] A degassed mixture of 2-(methyloxy)-3-(methylsulfonyl)-5-(4,4,5,5-tetramethyl- 1 ,3,2-dioxaborolan-2-yl)pyridine (88 mg, 0.281 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (70 mg, 0.188 mmol), Pd(dppf)2CI2 CH2CI2 adduct (15.32 mg, 0.019 mmol) and potassium acetate (55.2 mg, 0.563 mmol) in 1 ,4-dioxane (2 mL) and water (0.5 mL) was heated at 90 °C for 3 h. The reaction mixture was allowed to cool to room temperature then was diluted with EtOAc (50 mL) and H20 (25 mL). The organic layer was dried (Na2S04) and filtered. The filtrate was concentrated. The residue was taken up into DMF. The resulting slurry was filtered, solid washed with EtOAc and water to obtain 6-[6-(methyloxy)-5-(methylsulfonyl)-3- pyridinyl]-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (45 mg, 0.088 mmol, 47.0 % yield) as a grey solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 3.19 - 3.27 (m, 4 H) 3.31 (s, 3 H) 3.73 - 3.81 (m, 4 H) 4.05 (s, 3 H) 6.32 (s, 2 H) 6.97 (s, 1 H) 7.08 - 7.22 (m, 2 H) 7.24 - 7.39 (m, 4 H) 8.16 (d, J=2.54 Hz, 1 H) 8.69 (d, J=2.44 Hz, 1 H); ES LC-MS m/z =480.5 (M+H)+.
Example 224
N-(5-(2-amino-1-(4-morpholinophenyl)-1H-benzo[d]imidazol-6-yl)pyridin-2- yl)benzenesulfonamide
Figure imgf000384_0001
[00539] A degassed mixture of N-(5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)pyridin- 2-yl)benzenesulfonamide (140 mg, 0.389 mmol), 6-bromo-1-(4-morpholinophenyl)-1 H- benzo[d]imidazol-2-amine (145 mg, 0.389 mmol), Pd(dppf)2CI2 CH2CI2 adduct (349 mg, 0.427 mmol) and potassium acetate (1 14 mg, 1.166 mmol) in 1 ,4-dioxane (4 mL) and water (1 mL) was heated in a microwave apparatus at 130 °C for 15 min. The reaction mixture was allowed to cool to room temperature then was diluted with H20 (50 mL) and extracted with EtOAc (50 mL) and CH2CI2 (50 mL). The organic layers were concentrated onto Celite® and purified by HPLC to obtain N-(5-(2-amino-1 -(4-morpholinophenyl)-1 H-benzo[d]imidazol-6-yl)pyridin-2- yl)benzenesulfonamide (9.6 mg, 0.018 mmol, 4.69 % yield) as a white solid: 1H NMR (400 MHz, DMSO-de) δ ppm 3.17 - 3.26 (m, 4 H) 3.70 - 3.84 (m, 4 H) 6.23 (s, 2 H) 6.91 (s, 1 H) 7.13 (d, J=8.78 Hz, 3 H) 7.21 (s, 2 H) 7.32 (d, J=8.78 Hz, 2 H) 7.51 (d, J=7.61 Hz, 3 H) 7.86 (d, J=6.83 Hz, 3 H) 8.19 (br. s., 1 H); ES LC-MS m/z =527.3 (M+H)+.
Example 225
thylsulfonyl)-3-pyridin l]-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-2-amine
Figure imgf000384_0002
[00540] A mixture of 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (37.3 mg, 0.100 mmol), [5-(methylsulfonyl)-3-pyridinyl]boronic acid (20.09 mg, 0.100 mmol) and PdCI2(dppf)-CH2CI2 adduct (8.16 mg, 9.99 pmol) in 1 ,4-dioxane (3 mL) and NaHC03 (sat. aq. 2 mL) was heated with microwave irradiation for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 6-[5-(methylsulfonyl)-3-pyridinyl]-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine as a white solid (10.8mg, 22.84%). 1H NMR (400 MHz, DMSO-d6) δ ppm 9.12 (br. s., 1 H), 8.92 (br. s., 1 H), 8.36 (br. s., 1 H), 7.47 (d, J=8.01 Hz, 1 H), 7.31 - 7.41 (m, 3 H), 7.08 - 7.24 (m, 3 H), 6.37 (br. s., 2 H), 3.77 (m, 4 H), 3.37 (s, 3 H), 3.23 (m, 4 H); ES-LCMS: 450.4 (M+1 ).
Example 226
5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-y^-N-(1,1-dimethyleth
ridinecarboxamide
Figure imgf000385_0001
[00541] A mixture of 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (37.3 mg, 0.100 mmol), (5-{[(1 ,1-dimethylethyl)amino]carbonyl}-3-pyridinyl)boronic acid (22.19 mg, 0.100 mmol), PdCI2(dppf)-CH2Cl2 adduct (8.16 mg, 9.99 umol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino- 1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-N-(1 ,1-dimethylethyl)-3-pyridinecarboxamide (5.5 mg, 0.011 mmol, 1 1 .46 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.84 - 8.89 (m, 1 H), 8.78 - 8.83 (m, 1 H), 8.20 (s, 1 H), 8.07 (s, 1 H), 7.29 - 7.44 (m, 4 H), 7.16 (d, J = 8.79 Hz, 2 H), 7.08 (s, 1 H)," 6.33 (br. s., 2 H), 3.69 - 3.84 (m, 4 H), 3.18 - 3.26 (m, 4 H), 1.39 (s, 9 H); LCMS: 471.4 (M+1 ).
Example 227 5-{2-amino-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-6-yl}-N-methyl-2- ridinecarboxamide
Figure imgf000386_0001
[00542] A mixture of 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (37.3 mg, 0.100 mmol), N-methyl-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-2- pyridinecarboxamide (26.2 mg, 0.100 mmol), PdCI2(dppf)-CH2CI2 adduct (8.16 mg, 9.99 umol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino-1 -[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-N-methyl-2- pyridinecarboxamide (6.1 mg, 0.014 mmol, 13.96 % yield) as a white solid. 1 NMR (400 MHz, DMSO-de) δ ppm 8.81 (d, J = 1.76 Hz, 1 H), 8.65 - 8.73 (m, 1 H), 8.11 (dd, J = 8.21 , 2.15 Hz, 1 H), 7.99 (d, J = 8.21 Hz, 1 H), 7.44 (dd, J = 8.21 , 1.56 Hz, 1 H), 7.30 - 7.39 (m, 3 H), 7.15 (d, J = 8.79 Hz, 2 H), 7.05 - 7.11 (m, 1 H), 6.35 (s, 2 H), 3.73 - 3.82 (m, 4 H), 3.19 - 3.27 (m, 4 H), 2.82 (d, J = 4.89 Hz, 3 H); LCMS: 429.4 (M+1 ).
Example 228
5-{2-amino-1-[4-(4-morpholinyl henyl]-1H-benzimidazo 6-yl}-3-pyridi
Figure imgf000386_0002
[00543] A mixture of 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (37.3 mg, 0.100 mmol), 5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3-pyridinecarbonitrile (22.99 mg, 0.100 mmol), PdCI2(dppf)-CH2CI2 adduct (8.16 mg, 9.99 umol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S0 , filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino- 1 -[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-3-pyridinecarbonitrile (3.8 mg, 9.39 μιηοΙ, 9.40 % yield)as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 9.08 (d, J = 2.35 Hz, 1 H), 8.86 (d, J = 1.95 Hz, 1 H), 8.53 (t, J = 2.05 Hz, 1 H), 7.44 (dd, J = 8.21 , 1.76 Hz, 1 H), 7.35 (d, J = 8.99 Hz, 2 H), 7.31 (d, J = 8.21 Hz, 1 H), 7.15 - 7.19 (m, 2 H), 7.14 (s, 1 H), 6.36 (s, 2 H), 3.74 - 3.83 (m, 4 H), 3.20 - 3.27 (m, 4 H); LCMS: 397.3 (M+1 ).
Example 229
6-[5-(methyloxy)-3^yridinyl -1-[4-(4-morphoUnyl)phenyl]-1H-benzimidazo
Figure imgf000387_0001
[00544] A mixture of 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (85 mg, 0.229 mmol), [5-(methyloxy)-3-pyridinyl]boronic acid (35 mg, 0.229 mmol), PdCI2(dppf)- CH2CI2 adduct (8.16 mg, 9.99 umol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 6-[5-(methyloxy)-3-pyridinyl]-1-[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (28.3 mg, 0.069 mmol, 30.2 % yield) as a white solid. H NMR (400 MHz, DMSO-d6) δ ppm 8.36 (br. s., 1 H), 8.20 (br. s., 1 H), 7.32 - 7.55 (m, 5 H), 7.17 (d, J = 8.01 Hz, 2 H), 7.09 (br. s., 1 H), 6.95 (br. s., 2 H), 3.87 (br. s., 3 H) 3.72-3.83 (m, 4 H), 3.21-3.29 (m, 4 H); LCMS: 402.4 (M+1 ).
Example 230 5-{2-amino-1-[4-(4-morpholin l)phenyl]-1H-benzimidazol-6-yl}-3-pyridinecarboxamide
Figure imgf000388_0001
[00545] A mixture of 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (73 mg, 0.196 mmol), 5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3-pyridinecarboxamide (48.5 mg, 0.196 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 5-{2-amino- 1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-6-yl}-3-pyridinecarboxamide (54.1 mg, 0.128 mmol, 65.4 % yield) as a white solid. H NMR (400 MHz, DMSO-d6) δ ppm 8.90 (dd, J = 5.76, 2.05 Hz, 2 H), 8.31 (t, J = 2.15 Hz, 1 H), 8.25 (s, 1 H), 7.64 (s, 1 H), 7.43 - 7.49 (m, 1 H), 7.32 - 7.40 (m, 3 H), 7.17 (d, J = 8.98 Hz, 2 H), 7.08 - 7.14 (m, 1 H), 6.68 (br. s., 2 H), 3.73 - 3.80 (m, 4 H) 3.20 - 3.27 (m, 4 H); LCMS: 415.4 (M+1).
Example 231
6-[5-(4-morpholinylcarbonyl)-3-pyridinyl]- 1 -[4-(4-morpholinyl)phenyl]- 1 H-benzimidazol-2- amine
Figure imgf000388_0002
[00546] A mixture of 6-bromo-1 -[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (37.3 mg, 0.100 mmol), 4-{[5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyl]carbonyl}morpholine (31 .8 mg, 0.100 mmol), PdCl2(dppf)-CH2Cl2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 6-[5-(4-morpholinylcarbonyl)-3-pyridinyl]-1 -[4-(4- morpholinyl)phenyl]-1 H-benzimidazol-2-amine (12 mg, 0.023 mmol, 22.80 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.85 (d, J = 2.15 Hz, 1 H), 8.48 (d, J = 1.76 Hz, 1 H), 7.95 (t, J = 2.05 Hz, 1 H), 7.34 - 7.42 (m, 3 H), 7.29 - 7.33 (m, 1 H), 7.12 - 7.18 (m, 2 H), 7.07 (d, J = 1.37 Hz, 1 H), 6.33 (br. s., 2 H), 3.73 - 3.81 (m, 4 H), 3.61-3.67 (m., 4 H), 3.53-3.60 (m, 3 H), 3.20 - 3.26 (m, 4 H); LCMS: 485.3 (M+1 ).
Example 232
thylsulfonyl)-3^yridin l]-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazol-2-ami
Figure imgf000389_0001
[00547] A mixture of 2-(methylsulfonyl)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine (56.6 mg, 0.200 mmol), 6-bromo-1 -[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2- amine (74.6 mg, 0.200 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product as a white solid (45.6mg, 50.8%). H NMR (400 MHz, DMSO-cfe) δ ppm 9.00 (br. s., 1 H), 8.27 (br. s., 1 H), 7.99 (br. s., 1 H), 7.47 (br. s., 1 H), 7.35 (br. s., 3 H), 7.14 (br. s., 3 H), 6.43 (br. s., 2 H), 3.77 (br. s., 4 H), 3.27 (br. s., 3 H), 3.22 (br. s., 4 H); LCMS: 450.2 (M+1 ).
Example 233
6-[5,6-bis(methyloxy)-3-pyridinyl]-1-[4-(4-morpholinyl)phenyl]-1H-benzim
Figure imgf000390_0001
[00548] A mixture of 2,3-bis(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2- yl)pyridine (26.5 mg, 0.100 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2- amine (37.3 mg, 0.100 mmol), PdCl2(dppf)-CH2Cl2 adduct (8.16 mg, 9.99 umol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product as a white solid (6.6mg, 14.7%). H NMR (400 MHz, DMSO-cfe) δ ppm 7.81 (d, J = 1.95 Hz, 1 H), 7.38 (d, J = 1 ;76 Hz, 1 H), 7.36 (s, 1 H), 7.34 (s, 1 H), 7.27 (s, 2 H), 7.15 (d, J = 8.98 Hz, 2 H), 6.98 (s, 1 H), 6.22 (s, 2 H), 3.85 (s, 3 H), 3.83 (s, 3 H), 3.75 - 3.79 (m, 4 H), 3.19 - 3.24 (m, 4 H); LCMS: 432.3 (M+1 ).
Example 234
1-[4-(4-morpholinyl)phenyl]-6-[2-( rifluoromethyl)-3^yridinyl]-1H-benzm
Figure imgf000390_0002
[00549] A mixture of 3-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-2- (trifluoromethyl)pyridine (53.4 mg, 0.196 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H- benzimidazol-2-amine (73.0 mg, 0.196 mmol), PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 1-[4-(4-moφholinyl)phenyl]-6-[2-(trifluoromethyl)-3-pyridinyl]-1 H- benzimidazol-2-amine (14.1 mg, 0.031 mmol, 15.91 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.68 (d, J = 3.51 Hz, 1 H), 7.89 (d, J = 7.22 Hz, 1 H), 7.69 (dd, J = 7.80, 4.68 Hz, 1 H), 7.31 (d, J = 8.78 Hz, 2 H), 7.26 (d, J = 8.19 Hz, 1 H), 7.12 (d, J = 8.98 Hz, 2 H), 6.95 - 7.01 (m, 1 H), 6.73 (s, 1 H), 6.32 (s, 2 H), 3.72 - 3.79 (m, 4 H), 3.16 - 3.22 (m, 4 H); LCMS: 440.5 (M+1 ).
Example 235
6-[ 2-(methyloxy)-3-pyridinyl]- 1 - 4-(4-morpholinyl) phenyl]- 1 H-benzimidazol-2-amine
Figure imgf000391_0001
[00550] A mixture of [2-(methyloxy)-3-pyridinyl]boronic acid (31.1 mg, 0.204 mmol), 6- bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (76 mg, 0.204 mmol), PdCI2(dppf)- CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4- dioxane (3.0 mL) and H20 (0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 6-[2-(methyloxy)-3- pyridinyl]-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (31.7 mg, 0.076 mmol, 37.2 % yield) as a white solid. 1H NMR (400 MHz, DMSO-ci6) δ ppm 8.08 (dd, J = 4.88, 1.76 Hz, 1 H), 7.64 (dd, J = 7.41 , 1.76 Hz, 1 H), 7.33 (m, J = 8.78 Hz, 2 H), 7.17 - 7.27 (m, 2 H), 7.14 (m, J = 8.78 Hz, 2 H), 7.01 (dd, J = 7.32, 4.98 Hz, 1 H), 6.93 (s, 1 H), 6.32 (br. s., 2 H), 3.81 (s, 3 H), 3.73 - 3.79 (m, 4 H), 3.18 - 3.24 (m, 4 H); LCMS: 402.4 (M+1 ).
Example 236
thyloxy)-3-pyridinyl]-1-[4-(4-morpholinyl)phenyl]-1H-benzimidazo
Figure imgf000392_0001
[00551] A mixture of 4-(methyloxy)-3-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)pyridine (47.9 mg, 0.204 mmol), 6-bromo-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (76 mg, 0.204 mmol) , PdCI2(dppf)-CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4-dioxane (3.0 mL) and H20 (0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 6-[4- (methyloxy)-3-pyridinyl]-1-[4-(4-morpholinyl)phenyl]-1 H-benzimidazol-2-amine (12.0 mg, 0.029 mmol, 14.24 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.36 (d, J = 5.66 Hz, 1 H), 8.28 (s, 1 H), 7.33 (d, J = 8.78 Hz, 2 H), 7.24 (d, J = 8.00 Hz, 1 H), 7.10 - 7.17 (m, 3 H), 7.08 (d, J = 5.66 Hz, 1 H), 6.87 (d, J = 1.37 Hz, 1 H), 6.23 (s, 2 H), 3.79 (s, 3 H), 3.73 - 3.78 (m, 4 H), 3.17 - 3.24 (m, 4 H); LCMS: 402.4 (M+1 ).
Example 237
1-(cyclopropylsulfonyl)-6-[5-(meth lsulfonyl)-3^yridinyl]-1H-benzimifa
Figure imgf000392_0002
[00552] A mixture of 1-(cyclopropylsulfonyl)-6-iodo-1 H-benzimidazol-2-amine (27.1 mg, 0.075 mmol), [5-(methylsulfonyl)-3-pyridinyl]boronic acid (15 mg, 0.075 mmol), PdCI2(dppf)- CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4- dioxane (3.0 mL) and H20 (0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 1-(cyclopropylsulfonyl)-6- [5-(methylsulfonyl)-3-pyridinyl]-1 H-benzimidazol-2-amine (8.9 mg, 0.022 mmol, 29.8 % yield) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 9.21 (br. s., 1 H), 9.01 (br. s., 1 H), 8.48 (br. s., 1 H), 7.87 (br. s., 1 H), 7.60 - 7.75 (m, 1 H), 7.40 (br. s., 1 H), 7.15 (br. s., 2 H), 4.11 (br. s., 1 H), 3.41 (br. s., 3 H), 1.37 (br. s., 2 H), 1.16 (br. s., 2 H); LCMS: 393.2 (M+1 ).
Example 238
2-amino-N,N-dimethyl-6-[5-(meth lsulfonyl)-3-pyridinyl]-1H-benzw
Figure imgf000393_0001
[00553] A mixture of 2-amino-6-iodo-N,N-dimethyl-1 H-benzimidazole-1 -sulfonamide (27.3 mg, 0.075 mmol), [5-(methylsulfonyl)-3-pyridinyl]boronic acid (15 mg, 0.075 mmol), PdCI2(dppf)- CH2CI2 adduct (14.91 mg, 0.018 mmol) and potassium acetate (98 mg, 0.999 mmol) in 1 ,4- dioxane (3.0 ml.) and H20 (0.75 mL) was heated with microwave for 15 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (20 mL), washed with water, filtered, dried over Na2S0 , filtered, and then concentrated. The crude residue was purified by reverse phase chromatography (0-60% ACN/ H20 + formic acid) to give the product 2-amino-N,N-dimethyl-6- [5-(methylsulfonyl)-3-pyridinyl]-1 H-benzimidazole-1-sulfonamide (8.3 mg, 0.021 mmol, 27.6 % yield) as a white solid. H NMR (400 MHz, CDCI3) δ ppm 9.09 (s, 2 H), 8.37 (s, 1 H), 7.86 (s, 1 H), 7.49 (m, 2 H), 5.77 (br. s., 2 H), 3.18 (s, 3 H), 3.00 (s, 6 H); LCMS: 396.2 (M+1 ).
General Scheme 9
Figure imgf000394_0001
1. Suzuki Rxn #1
Figure imgf000394_0002
4. HCI, Dioxane
Figure imgf000394_0003
Example 239
N-[5-{2-amino-3-[4-(4-morpholinyl)phenyl]imidazo[1 ,2-a]pyridin-6-yl}-2-(meth
pyridin namide
Figure imgf000395_0001
Step A
Methyl 6-bromoimidazo[1, 2-a]pyridine-2-carboxylate
Figure imgf000395_0002
[00554] A solution of 5-bromo-2-pyridinamine (7 g, 40.5 mmol) and methyl 3-bromo-2- oxopropanoate (9.52 g, 52.6 mmol) in ethanol (75 mL) was maintained at reflux for 16 hours. The solution was concentrated under reduced pressure and triturated from diethyl ether to afford methyl 6-bromoimidazo[1 ,2-a]pyridine-2-carboxylate (5.35 g, 20.97 mmol, 51.8 % yield) as a yellow solid. LCMS (m/z, ES+) = 256 (M+H).
Step B
6-bromoimidazo[ 1, 2-a]pyridine-2-carboxylic acid
Figure imgf000395_0003
[00555] A solution of methyl 6-bromoimidazo[1 ,2-a]pyridine-2-carboxylate (1500 mg, 5.88 mmol) in tetrahydrofuran (25 mL) was treated with 1.0N NaOH (aq) (6.47 mL, 6.47 mmol) and maintained with rapid stirring for 3 hours. The mixture was acidified by dropwise addition of 5. ON HCI as to adjust the pH to about 2, and then stirring was stopped and a steady stream of air was maintained over the reaction for 3-4 hours so as to concentrate by roughly 1/2 (most THF evaporated). [00556] The thick slurry was filtered and the solids dried under vacuum to afford 6- bromoimidazo[1 ,2-a]pyridine-2-carboxylic acid (1250 mg, 5.19 mmol, 88 % yield) as a yellow solid. LCMS (m/z, ES+) = 242 (M+H).
Step C
1, 1-dimethylethyl (6-bromoimidazo[ 1, 2-a]pyridin-2-yl)carbamate
Figure imgf000396_0001
[00557] A solution of 6-bromoimidazo[1 ,2-a]pyridine-2-carboxylic acid (1.25 g, 5.19 mmol), triethylamine (2.168 ml_, 15.56 mmol), and diphenylphosphorylazide (2.80 ml_, 12.96 mmol) in tert-butanol (30 mL) was maintained at reflux for 3 hours. The solution was concentrated under reduced pressure, redissolved in ethyl acetate, and then washed with saturated sodium bicarbonate (aq). The organic layer was separated, dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and finally purified by column chromatography to afford 1 ,1-dimethylethyl (6-bromoimidazo[1 ,2-a]pyridin-2-yl)carbamate (640 mg, 2.050 mmol, 39.5 % yield) as a yellow solid. LCMS {m/z, ES+) = 313 (M+H)
Step D
1, 1-dimethylethyl {6-[5-{[(2, 4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridinyl]imidazo[1,2-a]pyridin-2-yl}carbamate
Figure imgf000396_0002
[00558] A solution of 1 , 1-dimethylethyl (6-bromoimidazo[1 ,2-a]pyridin-2-yl)carbamate (625 mg, 2.002 mmol), potassium carbonate (553 mg, 4.00 mmol), 2,4-difluoro-N-[2- (methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (1067 mg, 2.503 mmol), and PdCI2(dppf)-CH2Cl2 adduct (164 mg, 0.200 mmol) in 1 ,4-dioxane (12 ml_)/water (3 mL) was maintained with stirring at 80°C for 2 hours. The solution was cooled, poured into ethyl acetate, and washed with water. The organic layer was separated, dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and purified by silica gel chromatography (EtOAc/Hex). The fractions containing product were re-purified by silica gel chromatography (MeOH/CH2CI2) to afford 1 ,1-dimethylethyl {6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate (880 mg, 1.656 mmol, 83 % yield) contaminated with roughly 2/3 mol% pinacol. LCMS (m/z, ES+) = 532 (M+H).
Step E
1, 1-dimethylethyl {3-bromo-6-[5-{[(2, 4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridinyl]imidazo[1,2-a]pyridin-2-yl}carbamate
Figure imgf000397_0001
[00559] A solution of 1 ,1-dimethylethyl {6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6- (methyloxy)-3-pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate (260 mg, 0.489 mmol) in N,N- dimethylformamide (5 mL) was maintained at 0°C and treated with NBS (91 mg, 0.514 mmol) in one portion. The mixture was maintained with stirring for 1 hour during which it was allowed to warm to room temperature. The solution was poured into ethyl acetate and washed with 5% LiCI (aq). The organic layer was separated, dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and then purified by column chromatography to afford 1 ,1- dimethylethyl {3-bromo-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate (200 mg, 0.328 mmol, 67.0 % yield) as a white solid. LCMS {m/z, ES+) = 611 (M+H).
Step F
1, 1-dimethylethyl {6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3^yridin
morpholinyl)phenyl]imidazo[1,2-a]pyridin-2-yl}carbamate
Figure imgf000398_0001
[00560] A solution of 1 ,1-dimethylethyl {3-bromo-6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}carba (200 mg, 0.328 mmol), [4-(4-morpholinyl)phenyl]boronic acid (119 mg, 0.573 mmol), potassium carbonate (136 mg, 0.983 mmol), and PdCl2(dppf)-CH2Cl2 adduct (40.1 mg, 0.049 mmol) in 1 ,4- dioxane (5 ml_)/water (1 mL) was maintained at 80°C for 2 hours. The mixture was cooled to room temperature, poured into ethyl acetate, and washed with water. The organic layer was separated, dried over sodium sulfate, filtered, stripped onto Celite®, and then purified by column chromatography (0-75% EtOAc/CH2CI2) to afford 1 ,1-dimethylethyl {6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]-3-[4-(4- morpholinyl)phenyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate (65 mg, 0.094 mmol, 28.6 % yield) as a white solid. LCMS (m/z, ES+) = 693 (M+H).
Step G
N-[5-{2-amino-3-[4-(4-morpholinyl)phenyl]imidazo[1,2-a]pyridin-6-yl}-2-(^
2,4-difluorobenzenesulfonamide
[00561] A solution of 1 ,1-dimethylethyl {6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6- (methylox'y)-3-pyridinyl]-3-[4-(4-morpholinyl)phenyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate (65 mg, 0.094 mmol) in 4.0M HCI in dioxane (4692 μΙ, 18.77 mmol) was maintained with stirring for 25 minutes. The solution was concentrated under reduced pressure, re-dissolved in a minimum (1 mL) of DMF, and purified by reverse phase hplc to afford N-[5-{2-amino-3-[4-(4- morpholinyl)phenyl]imidazo[1 ,2-a]pyridin-6-yl}-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide (28 mg, 0.047 mmol, 50.4 % yield) as a yellow solid following lyophilization. 1H NMR (DMSO-d6) δ: 10.30 (br. s., 1 H), 8.25 (s, 2H), 7.67 - 7.83 (m, 2H), 7.50 (d, J = 8.8 Hz, 3H), 7.26 - 7.40 (m, 2H), 6.97 - 7.21 (m, 3H), 5.10 (br. s., 2H), 3.69 - 3.85 (m, 4H), 3.62 (s, 3H), 3.11 - 3.23 (m, 4H). LCMS (m/z, ES+) = 593 (M+H). Example 240
1 ,1 -dimethylethyl {3-bromo-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridi amate
Figure imgf000399_0001
[00562] A solution of 1 , 1 -dimethylethyl {6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6- (methyloxy)-3-pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate (540 mg, 1 .016 mmol) in N,N- dimethylformamide (12 mL) was maintained at 0°C and treated with NBS (181 mg, 1.016 mmol) in one portion. The mixture was maintained with stirring for 1 hour during which it was allowed to warm to room temperature. The solution was poured into ethyl acetate and washed with 5% LiCI (aq). The organic layer was separated, dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and then purified by column chromatography to afford 1 ,1 - dimethylethyl {3-bromo-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate (626 mg, 1.026 mmol, 101 % yield) as a white solid. 1 H NMR (DMSO-d6) δ: 10.35 (s, 1 H), 9.24 (s, 1 H), 8.30 - 8.46 (m, 2H), 7.98 (d, J = 2.3 Hz, 1 H), 7.77 (td, J = 8.5, 6.3 Hz, 1 H), 7.51 - 7.70 (m, 3H), 7.22 (td, J = 8.5, 2.1 Hz, 1 H), 3.66 (s, 3H), 1 .46 (s, 9H). LCMS (m/z, ES+) = 61 1 (M+H).
Example 241
thylethyl {6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate
Figure imgf000399_0002
[00563] A solution of 1 ,1-dimethylethyl {3-bromo-6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}carba (200 mg, 0.328 mmol), [3-(4-morpholinyl)phenyl]boronic acid (170 mg, 0.819 mmol), potassium carbonate (136 mg, 0.983 mmol), and PdCI2(dppf)-CH2CI2 adduct (26.8 mg, 0.033 mmol) in 1 ,4- dioxane (5 ml_)/water (1 mL) was maintained with stirring at 80°C for 3 hours. The mixture was cooled, poured into ethyl acetate, and washed with water. The aqueous layer was washed with DCM and the combined organic layers were dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and then purified by column chromatography to afford (1 ,1- dimethylethyl {6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]imidazo[1 ,2- a]pyridin-2-yl}carbamate (43 mg, 0.081 mmol, 24.69 % yield, which was further purified by reverse phase hplc) and a lower spot (1 ,1-dimethylethyl {6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]-3-[3-(4- morpholinyl)phenyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate (93 mg, 0.134 mmol, 41.0 % yield, which was used in a subsequent transformation) as yellow solids. 1H NMR (DMSO-d6) δ: 10.33 (br. s., 1 H), 9.97 (br. s., 1 H), 8.84 (s, 1 H), 8.32 (d, J = 2.1 Hz, 1 H), 7.90 (d, J = 2.3 Hz, 2H), 7.76 (td, J = 8.5, 6.3 Hz, 1 H), 7.53 - 7.64 (m, 1 H), 7.46 (s, 2H), 7.20 (td, J = 8.4, 2.2 Hz, 1 H), 3.63 (s, 3H), 1.49 (s, 9H). LCMS (m/z, ES+) = 532 (M+H).
Example 242
N-[5-{2-amino-3-[3-(4-morpholinyl)phenyl]imidazo[1 ,2-a]pyridin-6-yl}-2-(methyloxy)-3- pyri ide
Figure imgf000400_0001
[00564] A solution of 1 ,1-dimethylethyl {6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6- (methyloxy)-3-pyridinyl]-3-[3-(4-morpholinyl)phenyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate (93 mg, 0.134 mmol) in 4. ON HCI in dioxanes (336 μΙ, 1.343 mmol) was maintained with stirring for 4 hours. A thick slurry was formed. The mixture was concentrated and the solids were triturated with diethyl ether and collected via vacuum filtration. The filtrated solids were extremely hydrocopic after 5 minutes. The filter apparatus was rinsed with methanol, and methanol filtrates were concentrated and the resulting residue was purified by reverse phase HPLC and lyophilized affording N-[5-{2-amino-3-[3-(4-morpholinyl)phenyl]imidazo[1 ,2-a]pyridin-6-yl}-2- (methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide (43 mg, 0.073 mmol, 54.0 % yield) as a yellow. H NMR (DMSO-d6) δ: 10.29 (br. s., 1 H), 8.37 (s, 1 H), 8.22 - 8.29 (m, 1 H), 7.80 (d, J = 2.1 Hz, 1 H), 7.72 (td, J = 8.5, 6.4 Hz, 1 H), 7.48 - 7.60 (m, 1 H), 7.31 - 7.45 (m, 3H), 7.03 - 7.17 (m, 3H), 6.96 (dd, J = 8.3, 2.1 Hz, 1 H), 5.22 (br. s., 2H), 3.69 - 3.81 (m, 4H), 3.10 - 3.25 (m, 4H). LCMS (m/z, ES+) = 593 (M+H).
Example 243
N-{6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]imidazo[1 ,2-
Figure imgf000401_0001
Step A
6-bro -2-amine
Figure imgf000401_0002
[00565] A solution of 1 ,1-dimethylethyl (6-bromoimidazo[1 ,2-a]pyridin-2-yl)carbamate (800 mg, 2.56 mmol) in dichloromethane (25 mL) was treated with trifluoroacetic acid (8.33 mL) and maintained with stirring at room temperature for 3 hours. The mixture was concentrated under reduced pressure, azeotroped three times from dichloromethane, and the resulting residue was triturated with diethyl ether. The solids were collected via vacuum filtration to afford 6-bromoimidazo[1 ,2-a]pyridin-2-amine (632 mg, 1.938 mmol, 76 % yield) as a yellow solid. LCMS (m/z, ES+) = 327 (M+H).
Step B
N-(6-bromoimidazo[ 1, 2-a]pyridin-2-yl)acetamide
Figure imgf000402_0001
[00566] A solution of 6-bromoimidazo[1 ,2-a]pyridin-2-amine (100 mg, 0.307 mmol), DIPEA (0.268 mL, 1.533 mmol), and DMAP (1.873 mg, 0.015 mmol) in dichloromethane (7 mL) was treated with acetic anhydride (0.087 mL, 0.920 mmol)-total 3 equivalents in three portions over 3 hours. The mixture was poured into saturated sodium bicarbonate and diluted with dichloromethane. The organic layer was separated, dried over sodium sulfate, concentrated, and the resulting residue was triturated with diethyl ether. The resulting solids were collected by vacuum filtration to afford N-(6-bromoimidazo[1 ,2-a]pyridin-2-yl)acetamide (55 mg, 0.216 mmol, 70.6 % yield) as a white solid. LCMS (m/z, ES+) = 255 (M+H).
Step C
N-{6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3^y
yljacetamide
[00567] A solution of N-(6-bromoimidazo[1 ,2-a]pyridin-2-yl)acetamide (50 mg, 0.197 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyl]benzenesulfonamide (109 mg, 0.256 mmol), potassium carbonate (68.0 mg, 0.492 mmol), and PdCI2(dppf)-CH2Cl2 adduct (16.07 mg, 0.020 mmol) in N,N-dimethylformamide (1 mL)/water (0.250 mL) was maintained at 80 °C for 2 hours, cooled, filtered, and purified by reverse phase HPLC to afford N-{6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}acetamide (33 mg, 0.070 mmol, 35.4 % yield) as a white solid. H NMR (DMSO-d6) δ: 10.73 (s, 1 H), 8.90 (s, 1 H), 8.32 (d, J = 2.3 Hz, 1 H), 8.13 (d, J = 5.1 Hz, 2H), 7.91 (d, J = 2.3 Hz, 1 H), 7.76 (td, J = 8.5, 6.4 Hz, 1 H), 7.54 - 7.63 (m, 1 H), 7.39 - 7.54 (m, 2H), 7.01 - 7.29 (m, 1 H), 3.63 (s, 3H), 2.08 (s, 3H). LCMS (m/z, ES+) = 474 (M+H).
Example 244
N-[5-(2-aminoimidazo[1,2-a]pyridin-6-yl)-2-(methyloxy)-3-pyridinyl]-2,4- difluorobenzenesulfonamide
Figure imgf000403_0001
[00568] A solution of 6-bromoimidazo[1 ,2-a]pyridin-2-amine (50 mg, 0.236 mmol), 2,4- difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyl]benzenesulfonamide (131 mg, 0.307 mmol), potassium carbonate (81 mg, 0.589 mmol), and PdCI2(dppf)-CH2CI2 adduct (19.26 mg, 0.024 mmol) in N,N-dimethylformamide (1 ml_)/water (0.250 mL) was maintained at 80 °C for 3 hours. The mixture was cooled to room temperature, filtered, and then purified by reverse phase HPLC to afford N-[5-(2- aminoimidazo[1 ,2-a]pyridin-6-yl)-2-(methyloxy)-3-pyridinyl]-2,4-difluorobenzenesulfonamide (30 mg, 0.070 mmol, 29.5 % yield) as a white solid following lyophilization. H NMR (DMSO-d6) δ: 10.31 (br. s., 1 H), 8.65 (s, 1 H), 8.29 (d, J = 2.3 Hz, 1 H), 7.86 (d, J = 2.3 Hz, 1 H), 7.74 (td, J = 8.4, 6.5 Hz, 1 H), 7.51 - 7.66 (m, 1 H), 7.14 - 7.34 (m, 3H), 7.02 (s, 1 H), 5.19 (br. s., 2H), 3.61 (s, 3H). LCMS (m/z, ES+) = 432 (M+H).
Example 245
N-{6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]imidazo[1,2- a]pyridin-2-yl}benzamide
Figure imgf000403_0002
Step A
N-(6-bromoimidazo[1,2-a]pyridin-2-yl)benzamide
Figure imgf000404_0001
[00569] A solution of 6-bromoimidazo[1 ,2-a]pyridin-2-amine (150 mg, 0.460 mmol), DMAP (2.81 mg, 0.023 mmol), DIPEA (0.562 mL, 3.22 mmol), and
benzoic anhydride (416 mg, 1.840 mmol) in dichloromethane (10 mL) was maintained with stirring at>room temperature for 3 hours. The mixture was poured into sodium bicarbonate and diluted with additional dichloromethane. The organic layer was separated, dried over sodium sulfate, filtered, taken to a residue under reduced pressure, and then purified by column chromatography (MeOH/DCM). The fraction containing the product was then repurified by column chromatography (EtOAc/DCM) to afford N-(6-bromoimidazo[1 ,2-a]pyridin-2- yl)benzamide (55 mg, 0.174 mmol, 37.8 % yield) as a white solid. LCMS (m/z, ES+) = 317 (M+H).
Step B
N-{6-[5-{[(2, 4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3^yridinyl]im
yljbenzamide
[00570] A solution of N-(6-bromoimidazo[1 ,2-a]pyridin-2-yl)benzamide (55 mg, 0.174 mmol), 2,4-difluoro-N-[2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-3- pyridinyl]benzenesulfonamide (96 mg, 0.226 mmol), potassium carbonate (72.1 mg, 0.522 mmol), and PdCI2(dppf)-CH2Cl2 adduct (14.21 mg, 0.017 mmol) in N,N-dimethylformamide (1 mL)/water (0.250 mL) was maintained at 80 °C for 1 hour. The mixture was cooled, filtered, and afterwards, the solution was injected directly into a reverse phase HPLC to afford after lyophilization of the pure fractions: N-{6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}benzamide (40 mg, 0.075 mmol, 42.9 % yield) as a white solid. H NMR (DMSO-d6) δ: 11 .28 (s, 1 H), 10.35 (br. s., 1 H), 8.96 (s, 1 H), 8.35 (s, 2H), 8.03 - 8.14 (m, 2H), 7.92 (br. s., 1 H), 7.71 - 7.82 (m, 1 H), 7.39 - 7.65 (m, 6H), 7.12 - 7.28 (m, 1 H), 3.64 (s, 3H). LCMS (m/z, ES+) = 536 (M+H).
Example 246
5-(2-aminoimidazo[1,2-a]pyridin-6-yl)-N-(tert-butyl)-2-methoxypyridine-3-su
Figure imgf000405_0001
Step A
Methyl 6-b
Figure imgf000405_0002
[00571] A solution of 5-bromo-2-pyridinamine (7.0 g, 40.5 mmol) and methyl 3-bromo-2- oxopropanoate (9.52 g, 52.7 mmol) in ethanol was stirred at 100 °C. After 3 hrs, the reaction was cooled to room temperature and all the solvent was removed. The residue was used directly in the subsequent reaction. ES-LCMS: 257.3, 255.3 (M+1 ).
Step B
6-b acid
Figure imgf000405_0003
[00572] A solution of methyl 6-bromoimidazo[1 ,2-a]pyridine-2-carboxylate (9.75 g, 38.2 mmol) in THF was treated with NaOH solution (5.0 N, 15 mL). The mixture was stirred at room temperature for 3 hrs and then HCI solution was added until the pH=5. The solution was washed with water for 3 times and dried over Na2S04, filtered and concentrated to white solid which was used directly. ES-LCMS: 241.2, 243.2 (M+1 ).
Step C
1, 1-dimethylethyl (6-bromoimidazo[1 , 2-a]pyridin-2-yl)carbamate
Figure imgf000406_0001
[00573] A mixture of 6-bromoimidazo [1 ,2-a]pyridine-2-carboxylic acid (7.2 g, 30 mmol), diphenyl azidophosphate (16.5 g, 60 mmol) and Et3N (6.1 g, 60 mol) in 150 mL t-Butyl alcohol was stirred at 100 °C overnight. All the solvent was removed and the residue was purified on silica gel column to give the product 1 ,1-dimethylethyl (6-bromoimidazo[1 ,2-a]pyridin-2- yl)carbamate as a white solid (4.56 g, 14.6 mmol). ES-LCMS: 312.4, 314.4 (M+1 ).
Step D
1, 1-dimethylethyl {6-[5-{[(1, 1-dimethylethyl)amino]sulfonyl}-6-(methyloxy)-3- te
Figure imgf000406_0002
[00574] A mixture of Λ/-(1 ,1-dimethylethyl)-2-(methyloxy)-5-(4,4,5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinesulfonamide (3.7 g, 10 mmol), 1-dimethylethyl (6- bromoimidazo[1 ,2-a]pyridin-2-yl)carbamate (3.12 g, 10 mmol), (dppf)-CH2CI2 adduct (0.83 g, 1 mmol) and potassium phosphate (5.76 g, 60 mmol) in 1 ,4-dioxane (8 mL) and H20 (2 mL) was heated by microwave irradiation for 30 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (100 mL), washed with water, dried over Na2S04l filtered, and then concentrated. The crude residue was purified by silica gel column to give the product 1 ,1-dimethylethyl {6-[5-{[(1 ,1- dimethylethyl)amino]sulfonyl}-6-(methyloxy)-3-pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate as a white solid (2.66 g, 5.6 mmol). ES-LCMS: 476.2 (M+1 ).
Step E
5-(2-aminoimidazo[1 , 2-a]pyridin-6-yl)-N-( 1, 1 -dimethylethyl)-2-(methyloxy)-3-pyridinesulfonamide
Figure imgf000407_0001
[00575] 1 ,1-dimethylethyl {6-[5-{[(1 ,1-dimethylethyl)amino]sulfonyl}-6-(methyloxy)-3- pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate was treated with 1 mL TFA at room temperature for 0.5 h, poured into 20 mL EtOAc and treated with 2 mL pyridine. The solution was washed with water 3 times and dried over Na2S04, filtered and then all of the solids were removed. The residue was purified on silica gel column to give the product 5-(2-aminoimidazo[1 ,2-a]pyridin-6- yl)-N-(1 ,1-dimethylethyl)-2-(methyloxy)-3-pyridinesulfonamide as a yellow solid (75 mg, 95%). 1 H NMR (400 MHz, DMSO-d6) δ ppm 9.09 (s, 1 H), 8.77 (d, J = 2.54 Hz, 1 H), 8.40 (d, J = 2.34 Hz, 1 H), 7.97 (dd, J = 9.17, 1.37 Hz, 1 H), 7.68 (d, J = 9.17 Hz, 1 H), 7.59 (s, 1 H), 7.23 (s, 1 H), 4.07 (s, 4 H), 1 .10 (s, 9 H); ES-LCMS: 376.2 (M+1 ).
Example 247
N-(6-(5-(N-(tert-butyl)sulfamoyl)-6-methoxypyridin-3-y0imidazo[1,2-a]pyritf
yl)acetamide
Figure imgf000407_0002
[00576] 5-(2-aminoimidazo[1 ,2-a]pyridin-6-yl)-N-(tert-butyl)-2-methoxypyridine-3- sulfonamide (30 mg, 0.080 mmol) was treated with acetic anhydride (530 mg, 5.19 mmol) and the solution was stirred at room temperature for 0.5 h. The solution was poured into 20 mL of water and saturated Na2C03 solution was added until the PH = 7. The solution was poured into 50 mL of EtOAc and washed with water for 3 times. The solution was dried over MgS04 and filtered, all the solvents were removed and the residue was purified on an ISCO silica gel column to give the product N-(6-(5-(N-(tert-butyl)sulfamoyl)-6-methoxypyridin-3-yl)imidazo[1 ,2- a]pyridin-2-yl)acetamide (15.5 mg, 0.036 mmol, 45.5 %.yield) as a white solid. 1 H NMR (400 MHz, DMSO-c/6) δ ppm 10.75 (s, 1 H), 9.01 (s, 1 H), 8.72 (d, J = 2.34 Hz, 1 H), 8.35 (d, J = 2.54 Hz, 1 H), 8.13 (s, 1 H), 7.49 - 7.62 (m, 3 H), 4.06 (s, 3 H), 2.08 (s, 3 H), 1.1 1 (s, 9 H); ES-LCMS: 418.3 (M+1 ).
Example 248
N-(5-(2-amino-3-(4-cyanophenyl)imidazo[1,2-a]pyridin-6-yl)-2-methoxypyridi
difluorobenzenesulfonamide
Figure imgf000408_0001
Step A
1, 1-dimethylethyl {6-[5-{[(2, 4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- p
Figure imgf000408_0002
[00577] A mixture of 2,4-difluoro-/V-[2-(methyloxy)-5-(4,4)5,5-tetramethyl-1 ,3,2- dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (4.26 g, 10 mmol), , 1 -dimethylethyl (6- bromoimidazo[1 ,2-a]pyridin-2-yl)carbamate (3.12 g, 10 mmol), (dppf)-CH2CI2 adduct (0.83 g, 1 mmol) and potassium phosphate (5.76 g, 60 mmol) in 1 ,4-Dioxane (8 mL) and H20 (2 mL) was heated with microwave for 30 minutes at 130 °C. The reaction was cooled, diluted with EtOAc (100 mL), washed with water, dried over Na2S04, filtered, and then concentrated. The crude residue was purified by silica gel column to give the product 1 ,1-dimethylethyl {6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate as a white solid (3.40 g, 6.4 mmol). ES-LCMS: 532.2 (M+1 ).
Step B
1, 1-dimethylet yl {6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]-3^
Figure imgf000409_0001
[00578] 1 , 1 -dimethylethyl {6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate (1.06 g, 20 mmol) in 5 mL DMF was treated with NIS (0.495 g, 22.0 mmol) at room temperature for 1 h. The solution was poured into 200 mL EtOAc and washed with water, dried over Na2S04, filtered, and then concentrated to give the product as a brown solid which was used directly. ES-LCMS: 658.3 (M+1 ).
Step C
1, 1-dimethylethyl {3-(4-cyanophenyl)-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-
Figure imgf000409_0002
[00579] A mixture of PdCI2(dppf)-CH2CI2 adduct (8.20 mg, 10.04 pmol), potassium phosphate (213 mg, 1.004 mmol), 2-(4-isocyanophenyl)-4,4, 5, 5-tetra methyl- 1 ,3,2-dioxaborolane (23.00 mg, 0.100 mmol), tert-butyl (6-(5-(2,4-difluorophenylsulfonamido)-6-methoxypyridin-3-yl)- 3-iodoimidazo[1 ,2-a]pyridin-2-yl)carbamate (66 mg, 0.100 mmol) in 1 ,4-Dioxane (3 mL) and water (0.75 ml) was heated to 100 °C by microwave for 15 mins. The reaction was cooled, diluted with EtOAc (100 mL), washed with water, dried over Na2S0 , filtered, and then concentrated. The residue was purified on silica gel column to give the product 1 ,1- dimethylethyl {3-(4-cyanophenyl)-6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3- pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate as a white solid (24.7 mg, 0.040 mmol, 40% yield). ES-LCMS: 618.4 (M+1 ).
Step D
N-[5-[2-amino-3-(4-cyanophenyl)imidazo[1,2-a]pyridin-6-yl]-2-(meth^^
difluorobenzenesulfonamide
Figure imgf000410_0001
[00580] 1 ,1-dimethylethyl {3-(4-cyanophenyl)-6-[5-{[(2,4- difluorophenyl)sulfonyl]amino}-
6-(methyloxy)-3-pyridinyl]imidazo[1 ,2-a]pyridin-2-yl}carbamate as a white solid (24.7 mg, 0.04 mmol) was treated with TFA (0.5 mL) at room temperature for 30 minutes. The solution was poured into 20 mL EtOAc and then treated with 1 mL Et3N. Next, it was washed with water, dried over Na2S04, filtered, and then concentrated to give the product N-(5-(2-amino-3-(4- cyanophenyl)imidazo[1 ,2-a]pyridin-6-yl)-2-methoxypyridin-3-yl)-2,4-difluorobenzenesulfonamide (20.2 mg, 0.037 mmol, 92.5 % yield) as a yellow solid. 1 H NMR (400 MHz, DMSO-c/6) δ ppm 10.29 (br. s., 1 H), 8.51 (s, 1 H), 8.31 (br. s., 1 H), 7.81 - 7.97 (m, 5 H), 7.69 - 7.76 (m, 1 H), 7.56 (br. s., 1 H), 7.42 (s, 2 H), 7.16 (br. s., 1 H), 5.63 (s, 2 H), 3.62 (s, 3 H); ES-LCMS: 533.2 (M+1 ).
Example 249
N-(5-(2-amino-3-(4-(dimethylamino)phenyl)imidazo[1,2-a]pyridin-6-yl)-2-m
yl)-2, 4-difluorobenzenesulfonamide
Figure imgf000411_0001
[00581] A mixture of PdCl2(dppf)-CH2CI2 adduct (8.20 mg, 10.04 μητιοΙ), potassium phosphate (213 mg, 1.004 mmol), tert-butyl (6-(5-(2,4-difluorophenylsulfonamido)-6- methoxypyridin-3-yl)-3-iodoimidazo[1 ,2-a]pyridin-2-yl)carbamate (66 mg, 0.100 mmol), N,N- dimethyl-4-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)aniline (24.81 mg, 0.100 mmol) in 1 ,4- Dioxane (3 mL) and water (0.75 ml) was heated to 100 °C by microwave for 15 mins. The reaction was then cooled, diluted with EtOAc (100 mL), washed with water, dried over Na2S04, filtered, and finally concentrated. Next, the residue was purified via silica gel column and then treated with TFA (0.25 mL, 3.24 mmol) at room temperature for 1 h. The solution was poured into 20 mL EtOAc and then treated with Et3N. It was then washed with water, dried over Na2S04, filtered, and concentrated to give the product N-(5-(2-amino-3-(4- (dimethylamino)phenyl)imidazo[1 ,2-a]pyridin-6-yl)-2-methoxypyridin-3-yl)-2,4- difluorobenzenesulfonamide (10.7 mg, 0.019 mmol, 18.78 % yield) as a yellow solid.
1 H NMR (400 MHz, DMSO-d6) δ ppm 8.16 (s, 1 H), 8.08 (d, J = 2.34 Hz, 1 H), 7.85 (d, J = 2.34 Hz, 1 H), 7.80 (td, J = 8.49, 6.24 Hz, 1 H), 7.39 - 7.47 (m, 4 H), 7.17 (ddd, J = 10.59, 8.73, 2.34 Hz, 1 H), 6.99 (d, J = 8.78 Hz, 2 H), 6.89 - 6.96 (m, 1 H), 3.80 (s, 3 H), 3.03 (s, 6 H); ES-LCMS: 551.2 (M+1 ).
Example 250
N-(5-(2-amino-3-(4-methoxyphenyl)imidazo[1,2-a]pyridin-6-yl)-2-methoxypyridi
Figure imgf000411_0002
[00582] A mixture of PdCI2(dpp -CH2CI2 adduct (8.20 mg, 10.04 Mmol), potassium phosphate (213 mg, 1.004 mmol), tert-butyl (6-(5-(2,4-difluorophenylsulfonamido)-6- methoxypyridin-3-yl)-3-iodoimidazo[1 ,2-a]pyridin-2-yl)carbamate (66 mg, 0.100 mmol), 2-(4- methoxyphenyl)-4,4,5,5-tetramethyl-1 ,3,2-dioxaborolane (23.50 mg, 0.100 mmol) in 1 ,4-Dioxane (3 mL) and water (0.75 ml) was heated to 100 °C by microwave irradiation for 15 mins. The reaction was cooled, diluted with EtOAc (100 mL), washed with water, dried over Na2S04, filtered, and then concentrated. The residue was purified via silica gel column and then treated with TFA (0.25 mL, 3.24 mmol) at room temperature for 1 h. The solution was poured into 20 mL EtOAc and then treated with Et3N. It was then washed with water, dried over Na2S04, filtered, and concentrated to give the product N-(5-(2-amino-3-(4-methoxyphenyl)imidazo[1 ,2- a]pyhdin-6-yl)-2-methoxypyridin-3-yl)-2,4-difluorobenzenesulfonamide (24.0 mg, 0.043 mmol, 43.1 % yield) as a yellow solid. 1 H NMR (400 MHz, DMSO-d6) δ ppm 8.38 (s, 1 H), 8.13 (d, J = 2.15 Hz, 1 H), 7.91 (d, J = 2.34 Hz, 1 H), 7.75 - 7.84 (m, 3 H), 7.67 - 7.75 (m, 2 H), 7.45 - 7.51 (m, 2 H), 7.15 - 7.24 (m, 1 H), 6.98 - 7.05 (m, 1 H), 3.77 - 3.81 (s, 3 H), 3.63 - 3.66 (s, 3 H); ES- LCMS: 538.2 (M+1 ).
Example 251
N-(5-(2-amino-3-phenyUmidazo[1,2-a]pyridin-6-yl)-2-methoxypyridin-3-yl)-2,4-
Figure imgf000412_0001
[00583] A mixture of PdCI2(dppf)-CH2CI2 adduct (8.20 mg, 10.04 Mmol), potassium phosphate (213 mg, 1.004 mmol), tert-butyl (6-(5-(2,4-difluorophenylsulfonamido)-6- methoxypyridin-3-yl)-3-iodoimidazo[1 ,2-a]pyridin-2-yl)carbamate (66 mg, 0.100 mmol) and phenylboronic acid (12.24 mg, 0.100 mmol) in 1 ,4-dioxane (3 mL) and water (0.75 ml) was heated by microwave irradiation for 15 minutes. The reaction was cooled, diluted with EtOAc (100 mL), washed with water, dried over Na2S04, filtered, and then concentrated. The residue was purified via a silica gel column and then treated with TFA (0.25 mL, 3.24 mmol) at room temperature for 1 h. The solution was poured into 20 mL EtOAc and then treated with Et3N. It was then washed with water, dried over Na2S04, filtered, and concentrated to give the product N-(5-(2-amino-3-phenylimidazot1 ,2-a]pyridin-6-yl)-2-methoxypyridin-3-yl)-2,4- difluorobenzenesulfonamide (7.9 mg, 0.015 mmol, 15.04 % yield) as a yellow solid. 1 H NMR (400 MHz, DMSO-d6) δ ppm 8.42 (s, 1 H), 8.31 (d, J = 2.34 Hz, 1 H), 8.13 (s, 1 H), 7.85 (d, J = 2.34 Hz, 1 H), 7.72 (dd, J = 8.59, 2.15 Hz, 1 H), 7.67 (d, J = 7.22 Hz, 2 H), 7.57 (t, J = 7.90 Hz, 4 H), 7.38 - 7.43 (m, 1 H), 7.13 - 7.19 (m, 1 H), 3.62 (s, 3 H); ES-LCMS: 508.2 (M+1 ).
Administration and Formulation
[00584] The chemical entities provided herein may inhibit viral replication by inhibiting the enzymes involved in replication, such as the non-structural proteins including RNA dependent RNA polymerase. They may also inhibit other enzymes utilized in the activity or proliferation of viruses in the Flaviviridae family, such as HCV. The chemical entities are administered at a therapeutically effective dosage, e.g. , a dosage sufficient to provide treatment for the disease.
[00585] In another embodiment, there is provided a pharmaceutical composition comprising a pharmaceutically acceptable diluent and a therapeutically effective amount of a compound of Formula (I) or a pharmaceutically acceptable salt thereof.
[00586] The compounds of the present invention can also be supplied in the form of a pharmaceutically acceptable salt. The terms "pharmaceutically acceptable salt" refer to salts prepared from pharmaceutically acceptable inorganic and organic acids and bases.
[00587] - Pharmaceutically acceptable inorganic bases include metallic ions. More preferred metallic ions include, but are not limited to, appropriate alkali metal salts, alkaline earth metal salts and other physiological acceptable metal ions. Salts derived from inorganic bases include aluminum, ammonium, calcium, copper, ferric, ferrous, lithium, magnesium, manganic salts, manganous, potassium, sodium, zinc, and the like and in their usual valences. Exemplary salts include aluminum, calcium, lithium, magnesium, potassium, sodium and zinc. Particularly preferred are the ammonium, calcium, magnesium, potassium, and sodium salts.
[00588] Salts derived from pharmaceutically acceptable organic non-toxic bases include salts of primary, secondary, and tertiary amines, including in part, trimethylamine, diethyiamine, N, N'-dibenzylethylenediamine, chloroprocaine, choline, diethanolamine, ethylenediamine, meglumine (N-methylglucamine) and procaine; substituted amines including naturally occurring substituted amines; cyclic amines; quaternary ammonium cations; and basic ion exchange resins, such as arginine, betaine, caffeine, choline, Ν,Ν-dibenzylethylenediamine, diethyiamine, 2-diethylaminoethanol, 2-dimethylaminoethanol, ethanolamine, ethylenediamine, N- ethylmorpholine, N-ethylpiperidine, glucamine, glucosamine, histidine, hydrabamine, isopropylamine, lysine, methylglucamine, morpholine, piperazine, piperidine, polyamine resins, procaine, purines, theobromine, triethylamine, trimethylamine, tripropylamine, tromethamine and the like.
[00589] Illustrative pharmaceutically acceptable acid addition salts of the compounds of the present invention can be prepared from the following acids, including, without limitation formic, acetic, propionic, benzoic, succinic, glycolic, gluconic, lactic, maleic, malic, tartaric, citric, nitic, ascorbic, glucuronic, maleic, fumaric, pyruvic, aspartic, glutamic, benzoic, hydrochloric, hydrobromic, hydroiodic, isocitric, trifluoroacetic, pamoic, propionic, anthranilic, mesylic, oxalacetic, oleic, stearic, salicylic, p-hydroxybenzoic, nicotinic, phenylacetic, mandelic, embonic (pamoic), methanesulfonic, phosphoric, phosphonic, ethanesulfonic, benzenesulfonic, pantothenic, toluenesulfonic, 2-hydroxyethanesulfonic, sulfanilic, sulfuric, salicylic,
cyclohexylaminosulfonic, algenic, β-hydroxybutyric, galactaric and galacturonic acids. Preferred pharmaceutically acceptable salts include the salts of hydrochloric acid and trifluoroacetic acid. All of the above salts can be prepared by those skilled in the art by conventional means from the corresponding compound of the present invention. For example, the pharmaceutically acceptable salts of the present invention can be synthesized from the parent compound which contains a basic or acidic moiety by conventional chemical methods. Generally, such salts can be prepared by reacting the free acid or base forms of these compounds with a stoichiometric amount of the appropriate base or acid in water or in an organic solvent, or in a mixture of the two; generally, nonaqueous media like ether, ethyl acetate, ethanol, isopropanol, or acetonitrile are preferred. The salt may precipitate from solution and be collected by filtration or may be recovered by evaporation of the solvent. The degree of ionisation in the salt may vary from completely ionised to almost non-ionised. Lists of suitable salts are found in Remington's Pharmaceutical Sciences, 17th ed., Mack Publishing Company, Easton, Pa., 1985, p.1418, the disclosure of which is hereby incorporated by reference only with regards to the lists of suitable salts.
[00590] The compounds of the invention may exist in both unsolvated and solvated forms. The term 'solvate' is used herein to describe a molecular complex comprising the compound of the invention and one or more pharmaceutically acceptable solvent molecules, for example, ethanol. The term 'hydrate' is employed when said solvent is water. Pharmaceutically acceptable solvates include hydrates and other solvates wherein the solvent of crystallization may be isotopically substituted, e.g. D20, d6-acetone, d6-DMSO. [00591] Compounds of formula (I) containing one or more asymmetric carbon atoms can exist as two or more stereoisomers. Where a compound of formula (I) contains an alkenyl or alkenylene group or a cycloalkyl group, geometric cis/trans (or Z/E) isomers are possible.
Where the compound contains, for example, a keto or oxime group or an aromatic moiety, tautomeric isomerism ('tautomerism') can occur. It follows that a single compound may exhibit more than one type of isomerism.
[00592] Included within the scope of the claimed compounds present invention are all stereoisomers, geometric isomers and tautomeric forms of the compounds of formula (I), including compounds exhibiting more than one type of isomerism, and mixtures of one or more thereof. Also included are acid addition or base salts wherein the counterion is optically active, for example, D-lactate or L-lysine, or racemic, for example, DL-tartrate or DL-arginine.
[00593] Cis/trans isomers may be separated by conventional techniques well known to those skilled in the art, for example, chromatography and fractional crystallisation.
[00594] Conventional techniques for the preparation/isolation of individual enantiomers include chiral synthesis from a suitable optically pure precursor or resolution of the racemate (or the racemate of a salt or derivative) using, for example, chiral high pressure liquid
chromatography (HPLC).
[00595] Alternatively, the racemate (or a racemic precursor) may be reacted with a suitable optically active compound, for example, an alcohol, or, in the case where the compound of formula (I) contains an acidic or basic moiety, an acid or base such as tartaric acid or 1- phenylethylamine. The resulting diastereomeric mixture may be separated by chromatography and/or fractional crystallization and one or both of the diastereoisomers converted to the corresponding pure enantiomer(s) by means well known to a skilled person.
[00596] Chiral compounds of the invention (and chiral precursors thereof) may be obtained in enantiomerically-enriched form using chromatography, typically HPLC, on a resin with an asymmetric stationary phase and with a mobile phase consisting of a hydrocarbon, typically heptane or hexane, containing from 0 to 50% isopropanol, typically from 2 to 20%, and from 0 to 5% of an alkylamine, typically 0.1 % diethylamine. Concentration of the eluate affords the enriched mixture.
[00597] Mixtures of stereoisomers may be separated by conventional techniques known to those skilled in the art. [see, for example, "Stereochemistry of Organic Compounds" by E L Eliel (Wiley, New York, 1994).]
[00598] The present invention includes all pharmaceutically acceptable isotopically- labelled compounds of formula (I) wherein one or more atoms are replaced by atoms having the same atomic number, but an atomic mass or mass number different from the atomic mass or mass number usually found in nature.
[00599] Examples of isotopes suitable for inclusion in the compounds of the invention include isotopes of hydrogen, such as 2H and 3H, carbon, such as 11C, 3C and 1 C, chlorine, such as 36CI, fluorine, such as 18F, iodine, such as 123l and 25l, nitrogen, such as 13N and 15N, oxygen, such as 150, 70 and 80, phosphorus, such as 32P, and sulphur, such as 35S.
[00600] Certain isotopically-labelled compounds of formula (I), for example, those incorporating a radioactive isotope, are useful in drug and/or substrate tissue distribution studies. The radioactive isotopes tritium, i.e. 3H, and carbon-14, i.e. 1 C, are particularly useful for this purpose in view of their ease of incorporation and ready means of detection.
[00601] Substitution with heavier isotopes such as deuterium, i.e. 2H, may afford certain therapeutic advantages resulting from greater metabolic stability, for example, increased in vivo half-life or reduced dosage requirements, and hence may be preferred in some circumstances.
[00602] Isotopically-labelled compounds of formula (I) can generally be prepared by conventional techniques known to those skilled in the art or by processes analogous to those described in the accompanying Examples and Preparations using an appropriate isotopically- labelled reagent© in place of the non-labelled reagent previously employed.
[00603] The compounds of the present invention may be administered as prodrugs. Thus, certain derivatives of compounds of formula (I) which may have little or no
pharmacological activity themselves can, when administered into or onto the body, be converted into compounds of formula (I) having the desired activity, for example, by hydrolytic cleavage. Such derivatives are referred to as 'prodrugs'.
[00604] Administration of the chemical entities described herein can be via any of the accepted modes of administration for agents that serve similar utilities including, but not limited to, orally, sublingually, subcutaneously, intravenously, intranasally, topically, transdermally, intraperitoneally, intramuscularly, intrapulmonarilly, vaginally, rectally, or intraocularly. In some embodiments, oral or parenteral administration is used.
[00605] Pharmaceutical compositions or formulations include solid, semi-solid, liquid and aerosol dosage forms, such as, e.g., tablets, capsules, powders, liquids, suspensions, suppositories, aerosols or the like. The chemical entities can also be administered in sustained or controlled release dosage forms, including depot injections, osmotic pumps, pills, transdermal (including electrotransport) patches, and the like, for prolonged and/or timed, pulsed
administration at a predetermined rate. In certain embodiments, the compositions are provided in unit dosage forms suitable for single administration of a precise dose. [00606] The chemical entities described herein can be administered either alone or more typically in combination with a conventional pharmaceutical carrier, excipient or the like (e.g., mannitol, lactose, starch, magnesium stearate, sodium saccharine, talcum, cellulose, sodium crosscarmellose, glucose, gelatin, sucrose, magnesium carbonate, and the like). If desired, the pharmaceutical composition can also contain minor amounts of nontoxic auxiliary substances such as wetting agents, emulsifying agents, solubilizing agents, pH buffering agents and the like (e.g., sodium acetate, sodium citrate, cyclodextrine derivatives, sorbitan monolaurate, triethanolamine acetate, triethanolamine oleate, and the like). Generally, depending on the intended mode of administration, the pharmaceutical composition will contain about 0.005% to 95%; in certain embodiments, about 0.5% to 50% by weight of a chemical entity. Actual methods of preparing such dosage forms are known, or will be apparent, to those skilled in this art; for example, see Remington's Pharmaceutical Sciences, Mack Publishing Company, Easton, Pennsylvania.
[00607] In certain embodiments, the compositions will take the form of a pill or tablet and thus the composition will contain, along with the active ingredient, a diluent such as lactose, sucrose, dicalcium phosphate, or the like; a lubricant such as magnesium stearate or the like; and a binder such as starch, gum acacia, polyvinylpyrrolidine, gelatin, cellulose, cellulose derivatives or the like. In another solid dosage form, a powder, marume, solution or suspension (e.g., in propylene carbonate, vegetable oils or triglycerides) is encapsulated in a gelatin capsule.
[00608] Liquid pharmaceutically administrable compositions can, for example, be prepared by dissolving, dispersing, etc. at least one chemical entity and optional pharmaceutical adjuvants in a carrier (e.g., water, saline, aqueous dextrose, glycerol, glycols, ethanol or the like) to form a solution or suspension. Injectables can be prepared in conventional forms, either as liquid solutions or suspensions, as emulsions, or in solid forms suitable for dissolution or suspension in liquid prior to injection. The percentage of chemical entities contained in such parenteral compositions is highly dependent on the specific nature thereof, as well as the activity of the chemical entities and the needs of the subject. However, percentages of active ingredient of 0.01 % to 10% in solution are employable, and will be higher if the composition is a solid which will be subsequently diluted to the above percentages. In certain embodiments, the composition will comprise from about 0.2 to 2% of the active agent in solution.
[00609] Pharmaceutical compositions of the chemical entities described herein may also be administered to the respiratory tract as an aerosol or solution for a nebulizer, or as a microfine powder for insufflation, alone or in combination with an inert carrier such as lactose. In such a case, the particles of the pharmaceutical composition have diameters of less than 50 microns, in certain embodiments, less than 10 microns.
[00610] In general, the chemical entities provided will be administered in a therapeutically effective amount by any of the accepted modes of administration for agents that serve similar utilities. The actual amount of the chemical entity, i.e., the active ingredient, will depend upon numerous factors such as the severity of the disease to be treated, the age and relative health of the subject, the potency of the chemical entity used, the route and form of administration, and other factors. The drug can be administered more than once a day, such as once or twice a day.
[00611] Therapeutically effective amounts of the chemical entities described herein may range from approximately 0.01 to 200 mg per kilogram body weight of the recipient per day; such as about 0.01-100 mg/kg/day, for example, from about 0.1 to 50 mg/kg/day. Thus, for administration to a 70 kg person, the dosage range may be about 7-3500 mg per day.
[00612] In general, the chemical entities will be administered as pharmaceutical compositions by any one of the following routes: oral, systemic (e.g., transdermal, intranasal or by suppository), or parenteral (e.g., intramuscular, intravenous or subcutaneous) administration. In certain embodiments, oral administration with a convenient daily dosage regimen that can be adjusted according to the degree of affliction may be used. Compositions can take the form of tablets, pills, capsules, semisolids, powders, sustained release formulations, solutions, suspensions, elixirs, aerosols, or any other appropriate compositions. Another manner for administering the provided chemical entities is inhalation.
[00613] The choice of formulation depends on various factors such as the mode of drug administration and bioavailability of the drug substance. For delivery via inhalation the chemical entity can be formulated as liquid solution, suspensions, aerosol propellants or dry powder and loaded into a suitable dispenser for administration. There are several types of pharmaceutical inhalation devices-nebulizer inhalers, metered dose inhalers (MDI) and dry powder inhalers (DPI). Nebulizer devices produce a stream of high velocity air that causes the therapeutic agents (which are formulated in a liquid form) to spray as a mist that is carried into the patient's respiratory tract. MDIs typically are formulation packaged with a compressed gas. Upon actuation, the device discharges a measured amount of therapeutic agent by compressed gas, thus affording a reliable method of administering a set amount of agent. DPI dispenses therapeutic agents in the form of a free flowing powder that can be dispersed in the patient's inspiratory air-stream during breathing by the device. In order to achieve a free flowing powder, the therapeutic agent is formulated with an excipient such as lactose. A measured amount of the therapeutic agent is stored in a capsule form and is dispensed with each actuation. [00614] Recently, pharmaceutical compositions have been developed for drugs that show poor bioavailability based upon the principle that bioavailability can be increased by increasing the surface area i.e., decreasing particle size. For example, U.S. Patent No. 4,107,288 describes a pharmaceutical formulation having particles in the size range from 10 to 1 ,000 nm in which the active material is supported on a cross-linked matrix of macromolecules. U.S. Patent No. 5,145,684 describes the production of a pharmaceutical formulation in which the drug substance is pulverized to nanoparticles (average particle size of 400 nm) in the presence of a surface modifier and then dispersed in a liquid medium to give a pharmaceutical formulation that exhibits remarkably high bioavailability.
[00615] The compositions are comprised of, in general, at least one chemical entity described herein in combination with at least one pharmaceutically acceptable excipient.
Acceptable excipients are non-toxic, aid administration, and do not adversely affect the therapeutic benefit of the at least one chemical entity described herein. Such excipient may be any solid, liquid, semi-solid or, in the case of an aerosol composition, gaseous excipient that is generally available to one of skill in the art.
[00616] Solid pharmaceutical excipients include starch, cellulose, talc, glucose, lactose, sucrose, gelatin, malt, rice, flour, chalk, silica gel, magnesium stearate, sodium stearate, glycerol monostearate, sodium chloride, dried skim milk and the like. Liquid and semisolid excipients may be selected from glycerol, propylene glycol, water, ethanol and various oils, including those of petroleum, animal, vegetable or synthetic origin, e.g., peanut oil, soybean oil, mineral oil, sesame oil, etc. Liquid carriers, for injectable solutions, include water, saline, aqueous dextrose, and glycols.
[00617] Compressed gases may be used to disperse a chemical entity described herein in aerosol form. Inert gases suitable for this purpose are nitrogen, carbon dioxide, etc. Other suitable pharmaceutical excipients and their formulations are described in Remington's
Pharmaceutical Sciences, edited by E. W. Martin (Mack Publishing Company, 18th ed., 1990).
[00618] The amount of the chemical entity in a composition can vary within the full range employed by those skilled in the art. Typically, the composition will contain, on a weight percent (wt%) basis, from about 0.01-99.99 wt% of at least one chemical entity described herein based on the total composition, with the balance being one or more suitable pharmaceutical excipients. In certain embodiments, the at least one chemical entity described herein is present at a level of about 1-80 wt%. Representative pharmaceutical compositions containing at least one chemical entity described herein are described below. [00619] In another embodiment, there is provided a method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses, which method comprises administering to a mammal that has been diagnosed with said viral infection or is at risk of developing said viral infection a compound described herein. In another embodiment, the virus is hepatitis C virus.
[00620] In another embodiment, the method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses further comprises administration of a therapeutically effective amount of one or more agents active against hepatitis C virus. In another embodiment, the agent is an inhibitor of HCV protease, HCV polymerase, HCV helicase, HCV NS4B protein, HCV entry, HCV assembly, HCV egress, HCV replicase, HCV NS5A protein, or inosine 5'-monophosphate dehydrogenase. In another embodiment, the agent is interferon. In another embodiment, the agent is ribavirin. In yet another embodiment, the agent(s) is a combination of interferon and ribavirin that is
administered either simultaneously or sequentially.
[00621] In addition, the chemical entities described herein can be co-administered with, and the pharmaceutical compositions can include, other medicinal agents, pharmaceutical agents, adjuvants, and the like. Suitable medicinal and pharmaceutical agents include therapeutically effective amounts of one or more agents active against HCV. In some embodiments, the agent active against HCV is an inhibitor of HCV protease, HCV polymerase, HCV helicase, HCV NS4B protein, HCV entry, HCV assembly, HCV egress, HCV replicase, HCV NS5A protein, or inosine 5'-monophosphate dehydrogenase.
[00622] Active agents against HCV include ribavirin, levovirin, viramidine, thymosin alpha-1 , an inhibitor of NS3 serine protease, and inhibitor of inosine monophosphate
dehydrogenase, interferon-alpha, either alone or in combination with ribavirin or levovirin. In some embodiments, the additional agent active against HCV is interferon-alpha or pegylated interferon-alpha alone or in combination with ribavirin or levovirin. In some embodiments, the agent active against hepatitis C virus is interferon.
[00623] The above other therapeutic agents, when employed in combination with the chemical entities described herein, may be used, for example, in those amounts indicated in the Physicians' Desk Reference (PDR) or as otherwise determined by one of ordinary skill in the art.
[00624] Additionally, the present specification is directed to a pharmaceutical composition comprising a therapeutically effective amount of at least one chemical entity described herein in combination with a therapeutically effective amount of another active agent against RNA- dependent RNA virus and, in particular, against HCV. Agents active against HCV include, but are not limited to, ribavirin, levovirin, viramidine, thymosin alpha-1 , an inhibitor of HCV NS3 serine protease, or an inhibitor of inosine monophosphate dehydrogenase, interferon-alpha pegylated interferon-alpha (peginterferon-alpha), a combination of interferon-alpha and ribavirin, a combination of peginterferon-alpha and ribavirin, a combination of interferon-alpha and levovirin, and a combination of peginterferon-alpha and levovirin. Interferon-alpha includes, but is not limited to, recombinant interferon-alpha2a (such as ROFERON interferon available from Hoffman-LaRoche, Nutley, NJ), interferon-alpha2b (such as Intron-A interferon available from Schering Corp., Kenilworth, New Jersey, USA), a consensus interferon, and a purified interferon-alpha product. For a discussion of ribavirin and its activity against HCV, see J.O. Saunders and S.A. Raybuck, "Inosine Monophosphate Dehydrogenase: Consideration of Structure, Kinetics and Therapeutic Potential," Ann. Rep. Med. Chem., 2:201-210 (2000).
[00625] The following examples serve to more fully describe the manner of making and using the above-described invention. It is understood that these examples in no way serve to limit the true scope of the invention, but rather are presented for illustrative purposes.
BIOLOGICAL EXAMPLES
EXAMPLE 252
ANTI-HEPATITIS C ACTIVITY
[00626] In certain embodiments, the presently described formulas and compounds can exhibit anti-hepatitis C activity by fully or partially inhibiting the host cell's PI4Ka enzyme, which has been recently described as an important host factor for HCV replication. The presently described formulas and compounds show various potencies against PI4Ka, which correlates well with the corresponding antiviral (e.g., replicon) activities. A number of assays have been published to assess these activities. A general method that assesses the gross increase of HCV virus in culture was disclosed in U.S. Patent No. 5,738,985 to Miles et al. In vitro assays have been reported in Ferrari et al. Jnl. of Vir., 73:1649-1654, (1999); Ishii et al., Hepatology, 29:1227-1235, (1999); Lohmann et al., J. Biol. Chem., 274:10807-10815, (1999); and
Yamashita et al., J. Biol. Chem., 273:15479-15486, (1998).
EXAMPLE 253
REPLICON ASSAY
[00627] Compounds were assayed for activity against HCV using the genotype 1a and 1 b subgenomic replicon model systems. Stable cell lines bearing the genotype 1a and 1 b replicons were used for screening of compounds. Both replicons are bicistonic and contain the firefly luciferase gene. The ET cell line is stably transfected with RNA transcripts harboring a l389luc- ubi-neo/NS3-3'/ET replicon with firefly luciferase-ubiquitin-neomycin phosphotransferase fusion protein and EMCV-IRES driven NS3-5B polyprotein containing the cell culture adaptive mutations (E1202G; T1280I; K1846T) (Krieger at al, 2001 and unpublished). The genotype 1 a replicon is a stable cell line licensed from Apath LLC, modified to contain the firefly luciferase gene. The cells were grown in DMEM, supplemented with 10% fetal calf serum, 2 mM Glutamine, Penicillin (100 IU/mL)/Streptomycin (100 pg/mL), 1 x nonessential amino acids, and 250-500 pg/mL G418 ("Geneticin"). They were all available through Life Technologies (Bethesda, Md.). The cells were plated at 0.5 x 104 cells/well in 384 well plates containing the compounds. The final concentration of compounds ranged between 0.03 pM to 50 pm and the final DMSO concentration of 0.5-1 %.
[00628] Luciferase activity was measured 48 hours later by adding a Steady glo
(Promega, Madison, Wis.). Percent inhibition of replication data was plotted relative to no compound control. Under the same condition, cytotoxicity of the compounds was determined using cell titer glo (Promega, Madison, Wis). IC50s were determined from a 10 point dose response curve using 3-4-fold serial dilution for each compound, which spans a concentration range > 1000 fold. BioAssay determines the level of inhibition for each compound by normalizing cross-talk corrected plate values against the negative (low or background, cells with no compound present) and positive (high DMSO, no cells) controls to determine Percent Inhibition:
100 * (1 -(Cross-talk corrected value - Compound Positive Control Mean))
DMSO Negative Control Mean - Compound Positive Control Mean
[00629] These normalized values are exported to IC50 where they are plotted against the molar compound concentrations using the standard four parameter logistic equation:
B-A
Figure imgf000423_0001
Where:
A = minimum y D= slope factor
B = maximum y x = log compound concentration [M]
C = log10EC50
[00630] As shown below, the tested compounds were found to inhibit the activity of the replicon with plC50 values of about 9 or less. Preferably, the compounds will exhibit plC50 values of about 8 or less, in some embodiments, about 7 or less, and in some embodiments, about 6 or less. Further, compounds of the present disclosure, which were tested against more than one genotype of HCV replicon, were found to have similar inhibitory properties.
EXAMPLE 254
PI4KAIpha IC5o determination
[00631] To determine the potency of compounds as inhibitors of PI4Kalpha protein, a microfluidics-based kinase detection platform was utilized confidentialy through a contract research organization (Nanosyn, Inc, Research Triangle Park, North Carolina). Compounds were sent at top concentration of 10 μΜ and subsequently serially diluted to 10 pM. This enzymatic assay detection technology is based upon the difference between net charge of substrates and products, allowing electrophoretic separation of product from substrate. The product of PI4KAIpha kinase reactions are then quantitated using Caliper LabChip microfluidic instrumentation. IC5oS are calculated as the concentration corresponding to 50% inhibition of P Kalpha product production.
[00632] When tested in biological in vitro models, certain compounds of Table 1 were found to have plC50 values listed in Table 8.
Table 8
Figure imgf000424_0001
24 8.6 7.8 7.9
25 7.6 6.3 7.7
26 7.9 7.4 8
27 7.8 7 7.7
28 8.7 7.7 8
29 7.6 6.9 7.5
30 8 7.3 7.9
31 8.6 7.8 8.6
32 7.3 6.7 6.4
33 9.3 8.1 8.9
34 - - -
35 7.9 7 7.8
36 9.7 8.8 8.6
37 8.6 7.9 8.8
38 8.4 7.5 8
39 8.3 7.5 7.9
40 8.8 7.9 8.4
41 8.7 7.8 8.6
42 9.2 8.1 8.1
43 8.2 7.5 8.1
44 8 6.9 8
45 8.2 7.5 7.8
46 8 7 7.9
47 8.2 7 8.4
48 8.7 7.8 8.2
49 8 6.8 7.5
50 7.4 6.7 8
51 8.7 7.8 8
52 9.2 8.2 8.7
53 8.9 8 8.3
54 8.7 7.8 8.1
55 8.8 7.9 8.3
56 8.9 8.2 8.7
57 7.2 6.9 7.3
58 7.7 7 7.9
59 8.1 7.2 7.2
60 8.1 7.4 7.3
61 8.2 7.5 6.9
62 7.1 6.3 6.4
63 9.3 9 9.1
64 9.1 8.2 8.5
65 9.5 8.7 9
66 9.4 8.4 9.1 67 7.5 6.5 6.7
68 9.1 8.5 8.4
69 8.4 7.5 8.1
70 8 7 7.1
71 6.3 6.3 5.1
72 8.3 7.4 7.8
73 9.8 8.9 9
74 9.1 8.2 8.8
75 8.1 7.2 7.3
76 8.3 7.4 7.4
77 8.3 7.3 8.2
78 7.5 6.6 8.1
79 8.9 8.1 9
80 8.6 7.7 8.3
81 7.9 7.1 9.3
82 8.5 7.5 8.6
83 8 7.2 7.8
84 8 7.3 7.8
85 8.3 7.5 8.4
86 8.3 7.4 7.6
87 8.6 7.8 7.6
88 8.7 7.9 8
89 8.1 7.5 7.6
90 7.6 6.9 7.6
91 7.3 6.6 7.2
92 8.4 7.6 " 8.2
93 8 7.3 7.6
94 8.2 7.4 8
95 8.1 7.4 7.8
96 9.3 8.2 8.3
97 8.1 7.3 8.1
98 8.7 7.8 8.5
99 7.7 7.4 7.1
100 9.1 8.1 7.1
101 7.8 7.1 6.7
102 7.7 6.9 6.5
103 9 8.1 8.3
104 9.4 8.5 8.1
105 8.1 7.1 7.3
106 8.4 7.6 8.1
107 8 7.4 9
108 8.9 8 8
109 9.5 8.3 8.2 1 10 9 8.3 8.1
1 1 1 9.2 8.3 8.2
1 12 9.5 8.6 8.5
1 13 9.2 8.3 8.4
1 14 8.7 7.8 7.8
1 15 10 9.2 8
1 16 9.8 8.8 9.8
1 17 9.6 8.7 8.8
1 18 8.1 7.1 7.7
1 19 7.4 6.4 7.5
120 7.2 6.4 6.9
121 7.1 6.1 7.6
122 8 7.3 8.2
123 8.3 7.2 8
124 7.4 6.6 6.7
125 7.6 6.7 7.1
126 8.5 7.7 7.6
127 8.7 7.8 8
128 7.9 6.9 7.2
129 9 8.1 7.6
130 7.7 6.8 8.2
131 6.9 6.2 7.6
132 8 7.2 8.8
133 7.8 6.6 8.2
134 6.6 5.3 6.9
135 5.4 5.3 6
136 7.5 6.4 8.3
137 7.9 7.1 8.1
138 8.1 7.3 8.1
139 7.7 7 7.9
140 8.2 7.4 8.1
141 8.1 7.1 8
142 8 7.1 8.5
143 7.1 5.9 7.8
144 8.6 7 8.7
145 8.1 7.3 7.9
146 8.2 7.4 8.4
147 8.1 7.2 8.1
148 6.7 5.6 7.5
149 8.4 7.5 8.5
150 8.4 7.6 9.1
151 8.2 7.3 8.8
152 8 7.2 8.8 153 7.6 7.2 7.8
154 7.8 7.3 7.4
155 7.3 6.4 6.7
156 7.3 6.3 7.2
157 8.2 7.4 8.2
158 8.3 7.3 8.6
159 8.5 7.6 8.7
160 7.5 7 7.3
161 7.8 6.9 7.1
162 8.1 7.3 8.4
163 7.7 6.7 8.2
164 7.4 6.4 7.6
165 7.1 6.1 8
166 7.5 6.4 8.1
167 8.1 7.2 9.1
168 7.8 6.9 8.5
169 7.8 6.9 8.4
170 7.3 6.5 8.2
171 7.8 6.8 7.5
172 8 7.2 7.6
173 8 7.1 7.6
174 7.5 6.7 8.5
175 8.6 7.8 8.4
176 6.8 6.2 6.7
177 7.6 6.7 7.8
178 5.3 5.3 6.5
179 6.5 5.6 6.4
180 6.4 5.6 7.2
181 8 7 8.4
182 6.8 5.9 6.2
183 7.8 6.9 7.4
184 7.7 7.2 8.2
185 7 6.6 7.7
186 7.4 6.3 7.6
187 7.3 6.3 8.7
188 7.5 6.7 8.1
189 7.1 6.4 6.4
190 8.2 7.2 8.3
191 7.8 6.9 7.1
192 8.2 7.2 7.9
193 7.7 6.8 7.8
194 7.2 6.3 7.7
195 6.6 5.5 7.8 196 6.6 5.6 8.3
197 7.4 6.4 7.7
198 7.1 6.4 7.7
199 6.7 5.9 7.1
200 7.5 6.6 7.8
201 7.9 7.4 8.5
202 8 7.5 8.2
203 8.1 7.1 7.9
204 7.7 6.9 7.8
205 9 8.2 9.1
206 9.2 8.3 8.2
207 7.4 6.3 7.8
208 7.9 6.9 8.3
209 7.1 5.9 8.5
210 7.1 6.6 8.2
21 1 7.7 6.9 8.8
212 8 7.3 7.6
213 8.1 7.1 8.6
214 7.8 7 8.4
215 8.2 7 8
216 7.6 6.8 7.6
217 8 7 7.5
218 7 6.2 7.1
219 5.9 5.8 6.4
220 7 6.1 6.8
221 7 6.5 7.3
222 6.5 6.4 6.2
223 7.9 7.3 8.2
224 5.3 5.1 5.2
225 8 7.1 7.9
226 7.6 6.8 7.8
227 6.3 5.6 5.9
228 6.5 5.8 6.2
229 6.7 5.9 6.6
230 6.1 5.3 7.2
231 5.7 5.4 5.8
232 6 5.3 5.6
233 7.3 6.5 6.7
234 6 5.8 5.6
235 5.8 5.4 5.3
236 5.9 5.3 5.6
237 6.7 6.1 7.1
238 6.7 6 7.2 239 8.3 7.4 7.6
240 7.6 6.7 6.7
241 8.1 7.2 7.8
242 8.7 7.8 8.3
243 8.2 7.7 8.4
244 7.3 6.4 7.5
245 7.1 6.5 6.8
246 6.3 6.3 6.6
247 7.4 6.5 7.3
248 8.5 7.8 8.5
249 7.4 6.9 6.9
250 7.7 7.1 7.5
251 7.5 6.9 7.7
Formulation Examples
[00633] The following are representative pharmaceutical formulations containing a compound of Formula (I) or a pharmaceutically acceptable salt thereof.
Formulation Example 1
Tablet formulation
[00634] The following ingredients are mixed intimately and pressed into single scored tablets.
Ingredient Quantity per tablet (mg)
compound 400
cornstarch 50
croscarmellose sodium 25
lactose 120
magnesium stearate 5
Formulation Example 2
Capsule formulation.
[00635] The following ingredients are mixed intimately and loaded into a hard-shell gelatin capsule.
Ingredient Quantity per capsule (mg)
compound 200 Lactose, spray-dried 148
magnesium stearate 2
Formulation Example 3
Suspension formulation
[00636] The following ingredients are mixed to form a suspension for oral administration.
Ingredient Amount
compound 1.0 g
fumaric acid 0.5 g
sodium chloride 2.0 g
methyl paraben 0.15 g
propyl paraben 0.05 g
granulated sugar 25.0 g
sorbitol (70% solution) 13.00 g
Veegum K (Vanderbilt Co.) 1.0 g
flavoring 0.035 mL
colorings 0.5 mg
distilled water q.s. (quantity sufficient) to I00 mL
Formulation Example 4
Injectable formulation
[00637] The following ingredients are mixed to form an injectable formulation.
Ingredient Amount
compound 0.2 mg-20 mg sodium acetate buffer solution, 0.4 M 2.0 mL
HCI (1 N) or NaOH (1 N) q.s. to suitable pH
water (distilled, sterile) q.s. to 20 mL
Formulation Example 5
Suppository Formulation
[00638] A suppository of total weight 2.5 g is prepared by mixing the compound with Witepsol® H-15 (triglycerides of saturated vegetable fatty acid; Riches-Nelson, Inc., New York), and has the following composition:
Ingredient Amount compound 500 mg
Witepsol® H-15 balance
[00639] Although the invention has been shown and described above with reference to some embodiments, those skilled in the art will readily appreciate that the specific experiments detailed are only illustrative of the invention. It should be understood that various modifications can be made without departing from the spirit of the invention.
[00640] For example, for claim construction purposes, it is not intended that the claims set forth hereinafter be construed in any way narrower than the literal language thereof, and it is thus not intended that exemplary embodiments from the specification be read into the claims. Accordingly, it is to be understood that the present invention has been described by way of illustration and not limitations on the scope of the claims. Accordingly, the invention is limited only by the following claims. All publications, issued patents, patent applications, books and journal articles, cited in this application are each herein incorporated by reference in their entirety.

Claims

WHAT IS CLAIMED IS:
1. A compound comprising the structure of Formula (I):
(I)
Figure imgf000433_0001
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (C C6)alkylene;
X is selected from the group consisting of hydrogen, (d-C6)alkoxy, nitrile, -C(0)R12, -C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHSO2R10(R6)n,
-NHSO2R5R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5(R6)n, and -NHS02R14(R6)n;
R1 is selected from the group consisting of hydrogen, -R5R14, -C(0)R9, -R5R10,
-C(0)R10, and -C(0)R14;
R2 is selected from the group consisting of hydrogen,
Figure imgf000433_0002
, halo, (C1-C6)alkyl, (d-
C6)alkoxy, nitrile, oxo, hydroxyl, -NHR5R14, -OR7, -R5R14(R6)W, -R10R5R14, -R12, -R14, -R10R6, -R10(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R13R14, -R9R10, -R10R14, -(R14R12), -R13R6, -R14R6, -C02R7, (C3-Ci3)cycloalkyl, and (C4-Ci4)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)wR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond, can
optionally form a fused (C2-C6)heterocyclic ring having 1-3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, nitrile, halo, and (C1-C6)alkyl;
R4 is selected from the group consisting of hydrogen, (Ci-C6)alkyl, (CrC6)alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R15)n, -OR7, -R12, and halo;
R5 is a branched or straight chain (CrC6)alkylene; R6 is independently selected from the group consisting of (CrC6)alkyl, oxo, (C
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (CrC6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (d-C7)alkyl, -R10,
-R13, -R14, -R5R13, -R5R10, -R10(R11)M, -R5R14, and -R5R10(R11)M;
R9 is (d-C7)alkyl;
R10 is (C4-C14)aryl;
R11 is selected from the group consisting of nitrile, halo, (C1-C6)alkyl, (CrC6)alkoxy, and -R14R12;
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R13 is (C3-Ci3)cycloalkyl;
R14 is selected from (CrCn)heterocycle or (CrCn)heteroaryl, each having one to three heteroatoms selected from S, N and O;
R15 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
2. The compound according claim 1 , wherein Z is selected from the group consisting of a bond, methylene, ethylene, dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene.
3. The compound according to claim 2, wherein Z is selected from the group consisting of a bond, methylene, and ethylene.
4. The compound according to claim 3, wherein Z is selected from a bond or methylene.
5. The compound according to claim 4, wherein Z is a bond.
6. The compound according to claim 4, wherein Z is methylene.
7. The compound according to claim 1 , wherein X is selected from the group consisting of -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHS02R10, -NHSO2R10(R6)n, -NHSO2R13, -NHSO2R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9, and -NHS02R14(R6)n.
8. The compound according to claim 7, wherein X is selected from the group consisting of - S02R6, -S02R12, -S02R14, and -S02R14(R6)n.
9. The compound according to claim 8, wherein X is selected from the group consisting of -NHS02R10, -NHSO2R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5R14,
-NHS02R9(R6)n, -NHS02R9, and, -NHS02R14(R6)n.
10. The compound according to claim 9, wherein X is selected from
-NHSO2R10(R6)n or -S02R12.
1 1 . The compound according to claim 10, wherein X is -NHSO2R10(R6)n.
12. The compound according to claim 1 , wherein R1 is selected from the group consisting of -R5R14, -C(0)R9, -R5R10, -C(0)R10, and -C(0)R14.
13. The compound according to claim 1 , wherein R1 is hydrogen.
14. The compound according to claim 1 , wherein R2 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, - (R14)2, -S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R13R6, - R14R6, -(R14R12), (C3-Ci3)cycloalkyl, and phenyl.
15. The compound according to claim 14, wherein R2 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, - (R14)2, -S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R13R6, - R14R6, -(R14R12), cyclopentyl, dihydroindenyl, and phenyl.
16. The compound according to claim 15 wherein R2 is -R10R14.
17. The compound according to claim 16, wherein R2 is morpholinylphenyl.
18. The compound according to claim 1 , wherein R3 is hydrogen.
19. The compound according to claim 1 , wherein R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, and iodo.
20. The compound according to claim 19, wherein R4 is methoxy.
21 . The compound according to claim 19, wherein R5 is methylene.
22. The compound according to claim 1 , wherein R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7.
23. The compound according to claim 22, wherein R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, and t-butyl.
24. The compound according to claim 1 , wherein R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl.
25. The compound according to claim 1 , wherein R8 is independently selected from the
group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R14, -R5R13, -R10(R11)M, and
Figure imgf000436_0001
26. The compound according to claim 25, wherein R8 is independently selected from
hydrogen or methyl.
27. The compound according to claim 1 , wherein R9 is independently selected from the
group consisting of R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, and neopentyl.
28. The compound according to claim 1 , wherein R10 is phenyl.
29. The compound according to claim 1 , wherein R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, and methoxy.
30. The compound according to claim 1 , wherein R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl.
31 . The compound according to claim 1 , wherein R is selected from the group consisting of morpholinyl, thiomorpholinyl, tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl.
32. The compound according to claim 31 , wherein R14 is morpholinyl.
33. The compound according to claim 1 , wherein Z is selected from the group consisting of a bond, methylene, and ethylene.
34. The compound according to claim 33, wherein Z is a bond.
35. The compound according to claim 33, wherein Z is methylene.
36. The compound according to claim 1 , wherein each m is independently an integer
ranging from 1 to 3.
37. The compound according to claim 1 , wherein each n is independently an integer from 1 to 3.
38. The compound according to claim 1 , wherein each w is independently an integer from 1 to 6.
39. The compound according to claim 36, wherein m is 3.
40. The compound according to claim 37, wherein n is 2.
41 . The compound according to claim 38, wherein w is 1 .
42. The compound according to claim 1 , having the structure of Formula (I) or a
pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond, methylene, ethylene,
dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene;
X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R12,
-C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHS02R10, -NHSO2R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9, -NHS02R14(R6)n, R1 is selected from the group consisting of hydrogen, -R5R14, -R5R10, -C(0)R10,
-C(0)R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000438_0001
isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, -(R14)2, -
S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R13R6, -
R14R6, -(R14R12), cyclopentyl, dihydroindenyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond can
optionally form a fused imidazole ring that can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl; R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, -R5R14, and -R5R10(R11)M;
R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R14R12;
R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl; R is selected from the group consisting of morpholinyl, thiomorpholinyl, tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
43. The compound according to claim 1 , having the structure of Formula (I),
or a pharmaceutically acceptable salt thereof, wherein:
Z is a bond or methylene;
X is selected from the group consisting of hydrogen, (d-C6)alkoxy, nitrile, -C(0)R12, -C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHSO2R10(R6)n,
-NHSO2R5R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5(R6)n, and -NHS02R14(R6)n;
R1 is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000439_0001
, halo, (C1-C6)alkyl, (d-
C6)alkoxy, nitrile, oxo, hydroxyl, -NHR5R14, -OR7, -R5R14(R6)W, -R10R5R14, -R12, - R14, -R10R6, -R10(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R13R14, -R9R10, - R10R14, -(R14R12), -R13R6, -R14R6, -C02R7, (C3-Ci2)cycloalkyl, and (C4-Ci4)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)wR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond, can
optionally form a fused (C2-C6)heterocyclic ring having 1-3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, halo, and (C1-C6)alkyl;
R4 is selected from the group consisting of hydrogen, (C1-C6)alkyl, (CrC6)alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R15)n, -OR7, -R12, and halo;
R5 is a branched or straight chain (CrC6)alkylene;
R6 is independently selected from the group consisting of (CrC6)alkyl, oxo, (C
C6)alkoxy, -OR7, halo, nitrile, and -C02R7; R7 is selected from the group consisting of hydrogen and (CrC6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (d-C6)alkyl, -R10,
-R13, -R14, -R5R13, -R5R10, -R10(R11)M, and -R5R10(R11)M;
R9 is (CrC6)alkyl;
Figure imgf000440_0001
R11 is selected from the group consisting of nitrile, halo, (Ci-C6)alkyl, (CrC6)alkoxy, and
14D12.
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R13 is (C3-C12)cycloalkyl;
R14 is selected from (CrC^heterocycle or (CrCn)heteroaryl, each having one to three heteroatoms selected from N and O;
R15 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
44. The compound according to claim 1 , having the structure of Formula (I),
or a pharmaceutically acceptable salt thereof, wherein:
Z is a bond;
X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R12,
-C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHS02R10, -NHSO2R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9, -NHS02R14(R6)n,
R1 is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000440_0002
isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, -(R14)2, - S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R13R6, - R14R6, -(R14R12), cyclopentyl, dihydroindenyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond can optionally form a fused imidazole ring that can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl; R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, and -R5R10(R11)M;
R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R14R12;
R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
R14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
45. The compound according to claim 1 , having the structure of Formula (I),
or a pharmaceutically acceptable salt thereof, wherein: Z is a bond or methylene;
X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R12,
-C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHS02R10, -NHSO2R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9,
-NHS02R14(R6)n,
R1 is hydrogen;
R2 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, -(R14)2, -S02R10, - S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R13R6, -R14R6, - (R14R12), cyclopentyl, dihydroindenyl, and phenyl;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl;
R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, and -R5R10(R11)M;
R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, and
methoxy;
R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
R14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
46. The compound according to claim 1 , having the structure of Formula (I) or a
pharmaceutically acceptable salt thereof, wherein:
Z is a bond;
X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R12,
-C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHS02R10, -NHSO2R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9, and -NHS02R14(R6)n,
R1 is hydrogen;
R2 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, -(R14)2, -S02R10, - S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R13R6, -R14R6, - (R14R12), cyclopentyl, dihydroindenyl, and phenyl;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl;
R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, and -R5R10(R11)M;
R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, and methoxy;
R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8 substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
R14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
47. A compound comprising the structure of Formula (IA):
(IA)
Figure imgf000444_0001
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (C C6)alkylene;
X is selected from the group consisting of hydrogen, (C1-C6)alkoxy, nitrile, -C(0)R12, -C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHSO2R10(R6)n,
-NHSO2R5R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5(R6)n, and -NHS02R14(R6)n;
R1 is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000444_0002
, halo, (CrC6)alkyl, (Ci- C6)alkoxy, nitrile, oxo, hydroxyl, -NHR5R14, -OR7, -R5R14(R6)W, -R10R5R14, -R12, - R14, -R10R6, -R10(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R13R14, -R9R10, - R10R14, -(R14R12), -R13R6, -R14R6, -C02R7, (C3-Ci2)cycloalkyl, and (C4-Ci4)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)wR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond, can
optionally form a fused (C2-C6)heterocyclic ring having 1-3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R6 groups;
R4 is selected from the group consisting of hydrogen, (C1-C6)alkyl, (CrC6)alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R15)n, -OR7, -R12, and halo;
R5 is a branched or straight chain (C1-C6)alkylene;
R6 is independently selected from the group consisting of (C1-C6)alkyl, oxo, (C
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (CrC6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (CrC6)alkyl, -R10,
-R13, -R14, -R5R13, -R5R10, -R10(R11)M, and -R5R10(R11)M;
R9 is (Ci-C6)alkyl;
Figure imgf000445_0001
R11 is selected from the group consisting of nitrile, halo, (Ci-C6)alkyl, (CrC6)alkoxy, and -R14R12;
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R13 is (C3-Ci2)cycloalkyl;
R14 is selected from (CrCn)heterocycle or (CrCn)heteroaryl, each having one to three heteroatoms selected from N and O;
R15 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
48. The compound according to claim 47, having the structure of Formula (IA),
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond, methylene, ethylene,
dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene;
X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R12,
-C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHS02R10, -NHSO2R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9,
-NHS02R14(R6)n,
R1 is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000446_0001
isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, -(R14)2, -
S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R13R6, -
R14R6, -(R14R12), cyclopentyl,dihydroindenyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond can
optionally form a fused imidazole ring that can also be optionally substituted with one to two R6 groups;
R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, and -R5R10(R11)M;
R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R14R12; R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8 substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
R14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
49. A compound comprising the structure of Formula (IB):
(IB)
Figure imgf000447_0001
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (d- C6)alkylene;
X is selected from the group consisting of hydrogen, (CrC6)alkoxy, nitrile, -C(0)R12, -C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHSO2R10(R6)n,
-NHSO2R5R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5(R6)n, and -NHS02R14(R6)n;
R1 is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000447_0002
, halo, (CrC6)alkyl, (Ci- C6)alkoxy, nitrile, oxo, hydroxyl, -NHR5R14, -OR7, -R5R14(R6)W, -R10R5R14, -R12, - R14, -R10R6, -R10(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R13R14, -R9R10, - R10R14, -(R14R12), -R13R6, -R14R6, -C02R7, (C3-Ci2)cycloalkyl, and (C4-Ci4)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)wR14; R1 and R2 taken together with any intervening atoms and when Z is a bond, can
optionally form a fused (C2-C6)heterocyclic ring having 1-3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, halo, and (CrC6)alkyl;
R4 is selected from the group consisting of hydrogen, (Ci-C6)alkyl, (CrC6)alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R15)n, -OR7, and -R12;
R5 is a branched or straight chain (C1-C6)alkylene;
R6 is independently selected from the group consisting of (C1-C6)alkyl, oxo, (C
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (C1-C6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (CrC6)alkyl, -R10,
-R13, -R14, -R5R13, -R5R10, -R10(R11)M, and -R5R10(R11)M;
R9 is (Ci-C6)alkyl;
Figure imgf000448_0001
R11 is selected from the group consisting of nitrile, halo, (Ci-C6)alkyl, (CrC6)alkoxy, and -R14R12;
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R13 is (C3-Ci2)cycloalkyl;
R14 is selected from (CrCn)heterocycle or (CrCn)heteroaryl, each having one to three heteroatoms selected from N and O;
R15 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
50. The compound according to claim 49, having the structure of Formula (IB),
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond, methylene, ethylene,
dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene; X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R12,
-C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHS02R10, -NHSO2R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9,
-NHS02R14(R6)n,
R1 is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000449_0001
isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, -(R14)2, -
S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R13R6, -
R14R6, -(R14R12), cyclopentyl, dihydroindenyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond can
optionally form a fused imidazole ring that can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl; R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, and trifluoromethyl;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, and -R5R10(R11)M;
R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R14R12; R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8 substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
R14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3. 1 .A compound comprising the structure of Formula (II):
(II)
Figure imgf000450_0001
pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (Ci C6)alkylene;
X is selected from the group consisting of -R10, -R10(R6)n, -R13, -R14, -R5R14, -R9(R6)n, - R9, and -R14(R6)n;
R1 is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000450_0002
, halo, (CrC6)alkyl, (Ci- C6)alkoxy, nitrile, oxo, hydroxyl, -NHR5R14, -OR7, -R5R14(R6)W, -R10R5R14, -R12, - R14, -R10R6, -R10(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R13R14, -R9R10, - R10R14, -(R14R12), -R13R6, -R14R6, -C02R7, (C3-Ci2)cycloalkyl, and (C4-Ci4)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)wR14;
R3 is selected from the group consisting of hydrogen, halo, and (CrC6)alkyl;
R4 is selected from the group consisting of hydrogen, (d-C6)alkyl, (CrC6)alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R15)n, -OR7, -R12, and halo;
R5 is a branched or straight chain (C1-C6)alkylene;
R6 is independently selected from the group consisting of (C1-C6)alkyl, oxo, (C
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (C1-C6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (C1-C6)alkyl, -R10,
-R13, -R14, -R5R13, -R5R10, -R10(R11)M, and -R5R10(R11)M;
R9 is (CrC6)alkyl;
Figure imgf000451_0001
R11 is selected from the group consisting of nitrile, halo, (Ci-C6)alkyl, (CrC6)alkoxy, and -R14R12;
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R13 is (C3-Ci2)cycloalkyl;
R14 is selected from (CrCn)heterocycle or (CrCn)heteroaryl, each having one to three heteroatoms selected from N and O;
R15 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
52. The compound according to claim 51 , having the structure of Formula (II),
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond, methylene, ethylene,
dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene; X is selected from the group consisting of X is selected from the group consisting of -R10, -R10(R6)n, -R13, -R14, -R5R14, -R9(R6)n, -R9, and -R14(R6)n; R1 is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen, Q , methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, -(R14)2, - S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R13R6, - R14R6, -(R14R12), cyclopentyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl;
R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl,
propyl, isopropyl, butyl, t-butyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, and -R5R10(R11)M;
R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R14R12;
R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
R14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl; R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
53. A compound comprising the structure of Formula (III):
(III)
Figure imgf000453_0001
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (d- C6)alkylene;
X is selected from the group consisting of -R6, -R12, -R14, and -R14(R6)n;
R1 is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9,
R2 is selected from the group consisting of hydrogen,
Figure imgf000453_0002
, halo, (C1-C6)alkyl, (d- C6)alkoxy, nitrile, oxo, hydroxyl, -NHR5R14, -OR7, -R5R14(R6)W, -R10R5R14, -R12, - R14, -R10R6, -R10(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R13R14, -R9R10, - R10R14, -(R14R12), -R13R6, -R14R6, -C02R7, (C3-Ci2)cycloalkyl, and (C4-Ci4)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)wR14;
R3 is selected from the group consisting of hydrogen, halo, and (C1-C6)alkyl;
R4 is selected from the group consisting of hydrogen, (C1-C6)alkyl, (CrC6)alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R15)n, -OR7, -R12, and halo;
R5 is a branched or straight chain (C1-C6)alkylene;
R6 is independently selected from the group consisting of (CrC6)alkyl, oxo, (C
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (CrC6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (CrC6)alkyl, -R10, -R13, -R14, -R5R13, -R5R10, -R10(R11)M, and -R5R10(R11)M;
R9 is (Ci-C6)alkyl;
Figure imgf000454_0001
R11 is selected from the group consisting of nitrile, halo, (Ci-C6)alkyl, (CrC6)alkoxy, and
14D12.
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R13 is (C3-C12)cycloalkyl;
R14 is selected from (CrC^heterocycle or (CrCn)heteroaryl, each having one to three heteroatoms selected from N and O;
R15 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
54. The compound according to claim 53, having the structure of Formula (III),
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond, methylene, ethylene,
dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene; X is selected from the group consisting of -R6, -R12, -R14, and -R14(R6)n, -C(0)R12, and -C(0)R14;
R1 is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000454_0002
isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, -(R14)2, - S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R13R6, - R14R6, -(R14R12), cyclopentyl,dihydroindenyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl;
R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, and -R5R10(R11)M;
R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R14R12;
R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8 substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
R14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
55. A compound comprising the structure of Formula (I):
(I)
Figure imgf000456_0001
rmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (d- C6)alkylene;
X is selected from the group consisting of hydrogen, (C1-C6)alkoxy, nitrile, -C(0)R12, and
-C(0)R14;
R1 is selected from the group consisting of hydrogen, -R5R14, -C(0)R9,
R2 is selected from the group consisting of hydrogen,
Figure imgf000456_0002
, halo, (CrC6)alkyl, (Ci-
C6)alkoxy, nitrile, oxo, hydroxyl, -NHR5R14, -OR7, -R5R14(R6)W, -R10R5R14, -R12, - R14, -R10R6, -R10(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R13R14, -R9R10, - R10R14, -(R14R12), -R13R6, -R14R6, -C02R7, (C3-Ci2)cycloalkyl, and (C4-Ci4)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)wR14;
R3 is selected from the group consisting of hydrogen, halo, and (CrC6)alkyl;
R4 is selected from the group consisting of hydrogen, (Ci-C6)alkyl, (CrC6)alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -OR7, -R12, and halo;
R5 is a branched or straight chain (CrC6)alkylene;
R6 is independently selected from the group consisting of (CrC6)alkyl, oxo, (C
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (CrC6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (C1-C6)alkyl, -R10,
-R13, -R14, -R5R13, -R5R10, -R10(R11)M, and -R5R10(R11)M;
R9 is (d-C6)alkyl;
R10 is (C4-C14)aryl;
R11 is selected from the group consisting of nitrile, halo, (C1-C6)alkyl, (CrC6)alkoxy, and -R14R12;
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents; R13 is (C3-Ci2)cycloalkyl;
R14 is selected from (CrCn)heterocycle or (CrCn)heteroaryl, each having one to three heteroatoms selected from N and O;
R15 is halo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
56. The compound according to claim 55, having the structure of Formula (I) or a
pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond, methylene, ethylene,
dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene;
X is selected from the group consisting of hydrogen, (CrC6)alkoxy, nitrile, -C(0)R12, and
-C(0)R14;
R1 is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000457_0001
isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, -(R14)2, - S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R13R6, - R14R6, -(R14R12), cyclopentyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl;
R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl; R is independently selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, and -R5R10(R11)M;
R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R14R12;
R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8
substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
R14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
57. A compound comprising the structure of Formula (IV):
(IV)
Figure imgf000458_0001
R3 or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond and a (branched or straight chain) (d- C6)alkylene;
X is selected from the group consisting of hydrogen, (CrC6)alkoxy, nitrile, -C(0)R12, -C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHSO2R10(R6) i,n,
-NHSO2R5R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5(R6)n, and
-NHS02R14(R6)n;
R1 is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000459_0001
, halo, (CrC6)alkyl, (Ci-
C6)alkoxy, nitrile, oxo, hydroxyl, -NHR5R14, -OR7, -R5R14(R6)W, -R10R5R14, -R12, - R14, -R10R6, -R10(R6)n, -S02R10, -S02R12, -S02R13, -S02R14, -R13R14, -R9R10, - R10R14, -(R14R12), -R13R6, -R14R6, -C02R7, (C3-C12)cycloalkyl, and (C4-C14)aryl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)wR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond, can
optionally form a fused (C2-C6)heterocyclic ring having 1-3 heteroatoms selected from S, N and O; wherein said fused heterocyclic ring can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, halo, and (CrC6)alkyl;
R4 is selected from the group consisting of hydrogen, (Ci-C6)alkyl, (CrC6)alkoxy, nitrile, oxo, -C(0)R12, -S02R9, -R9(R15)n, -OR7, -R12, and halo;
R5 is a branched or straight chain (CrC6)alkylene;
R6 is independently selected from the group consisting of (CrC6)alkyl, oxo, (C
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen and (CrC6)alkyl;
R8 is independently selected from the group consisting of hydrogen, (CrC6)alkyl, -R10,
-R13, -R14, -R5R13, -R5R10, -R10(R11)M, and -R5R10(R11)M;
R9 is (Ci-C6)alkyl;
Figure imgf000459_0002
R11 is selected from the group consisting of nitrile, halo, (C1-C6)alkyl, (CrC6)alkoxy, and
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately
chosen from among the possible R8 substituents;
R13 is (C3-Ci2)cycloalkyl;
R14 is selected from (CrCn)heterocycle or (CrCn)heteroaryl, each having one to three heteroatoms selected from N and O;
R15 is halo; each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
58. The compound according to claim 57, having the structure of Formula (IV):
or a pharmaceutically acceptable salt thereof, wherein:
Z is selected from the group consisting of a bond, methylene, ethylene,
dimethylmethylene, methylmethylene, ethylmethylene, propylmethylene, methylpropylene, methylcyclopropylmethyl, and isopropylmethylene;
X is selected from the group consisting of hydrogen, methoxy, nitrile, -C(0)R12,
-C(0)R14, -S02R6, -S02R12, -S02R14, -S02R14(R6)n, -NHS02R10, -NHSO2R10(R6)n, -NHS02R13, -NHS02R14, -NHS02R5R14, -NHS02R9(R6)n, -NHS02R9, -NHS02R14(R6)n,
R1 is selected from the group consisting of hydrogen, -R5R14, and -C(0)R9;
R2 is selected from the group consisting of hydrogen,
Figure imgf000460_0001
isopropyl, butyl, isobutyl, t-butyl, nitrile, fluoro, chloro, iodo, methoxy, ethoxy, propoxy, hydroxyl, -NHR5R14, -OR7, -R9R10, -R10R5R14, -R12, -R14, -(R14)2, -
S02R10, -S02R12, -S02R13, -S02R14, -C02R7, -R10R6, -R13R14, -R10R14, -R13R6, -
R14R6, -(R14R12), cyclopentyl, dihydroindenyl, and phenyl, wherein A and Q are independently chosen from -(CH2)WR10 or -(CH2)WR14;
R1 and R2 taken together with any intervening atoms and when Z is a bond can
optionally form a fused imidazole ring that can also be optionally substituted with one to two R6 groups;
R3 is selected from the group consisting of hydrogen, chloro, iodo, fluoro, and methyl; R4 is selected from the group consisting of hydrogen, -C(0)R12, -S02R9, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, methoxy, ethoxy, amino, nitrile, oxo, methylamino, dimethylamino, trifluoromethyl, fluoro, iodo, and chloro;
R5 is selected from the group consisting of methylene, ethylene, and propylene;
R6 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl,
isobutyl, t-butyl, oxo, methoxy, ethoxy, propoxy, hydroxy, fluoro, chloro, iodo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and pentyl;
R8 is independently selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, -R5R10, -R5R13, -R10(R11)M, and -R5R10(R11)M;
R9 is methyl, ethyl, propyl, isopropyl, butyl, t-butyl, isopropyl, pentyl, t-pentyl, neopentyl, dimethylbutanyl, and dimethylpentanyl;
R10 is phenyl;
R11 is selected from the group consisting of methyl, nitrile, fluoro, iodo, chloro, methoxy, and -R14R12;
R12 is -N(R8)2, wherein each R8 may be independently chosen from among the R8 substituents;
R13 is selected from the group consisting of cyclopropyl, cyclobutyl, and cyclohexyl;
R14 is selected from the group consisting of morpholinyl, thiomorpholinyl,
tetrahydropyranyl, imidazolyl, quinolinyl, oxazepinyl, pyrimidinyl, pyrazolyl, indolyl, thiophenyl, tetrahydrofuranyl, piperazinyl, pyrrolidinyl, pyrrolidione, piperidinyl, and pyridinyl;
R15 is selected from the group consisting of fluoro, chloro, and iodo;
each m is independently zero or an integer from 1 to 3;
each n is independently zero or an integer from 1 to 3; and
each w is independently zero or an integer from 1 to 3.
59. A compound comprising the structure of Formula (V):
(V)
Figure imgf000461_0001
or a pharmaceutically acceptable salt thereof, wherein:
X is selected from -NHSO2R10(R6)n or -S02R12;
R1 is selected from the group consisting of hydrogen, -C02R7, -C(0)R10, and -C(0)R9; R2 is selected from the group consisting of hydrogen, -R10R12, -R10R14, -R10, -R15, and
D10D6. R4 is selected from hydrogen or (d-C6)alkoxy;
R6 is independently selected from the group consisting of (CrC6)alkyl, oxo, (C
C6)alkoxy, -OR7, halo, nitrile, and -C02R7;
R7 is selected from hydrogen or (Ci-C6)alkyl;
R8 is selected from hydrogen or (Ci-C6)alkyl;
R9 is (Ci-C6)alkyl;
Figure imgf000462_0001
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately chosen from among the possible R8 substituents;
R14 is selected from (CrC^heterocycle or (CrCn)heteroaryl, each having one to three heteroatoms selected from N and O;
R15 is halo; and
each n is independently zero or an integer from 1 to 3.
60. The compound according to claim 59, having the structure of Formula (V) or a
pharmaceutically acceptable salt thereof, wherein:
X is selected from -NHSO2R10(R6)2 or -S02R12;
R1 is selected from the group consisting of hydrogen, -C02R7, -C(0)R10, and -C(0)R9; R2 is selected from the group consisting of hydrogen, -R10R12, -R10R14, -R10, -R15, and -R10R6;
R4 is selected from hydrogen or methoxy;
R6 is independently selected from the group consisting of methyl, oxo, methoxy, fluoro, bromo, nitrile, and -C02R7;
R7 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, and butyl; R8 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, and butyl; R9 is selected from the group consisting of methyl, ethyl, propyl, and butyl;
R10 is phenyl;
R12 is -N(R8)2, wherein each instance of R8 may be independently and separately chosen from among the possible R8 substituents;
R14 is morpholinyl; and
R15 is selected fluoro or bromo.
61 . A compound selected from the group consisting of those compounds in Table 1.
62. The use of a compound or salt as defined in any of the preceding claims in the manufacture of a medicament for use in the treatment of a viral infection in a human.
63. A pharmaceutical composition comprising a pharmaceutically acceptable diluent and a therapeutically effective amount of a compound as defined in any of the preceding claims.
64. A method for treating a viral infection in a mammal mediated at least in part by a virus in the Flaviviridae family of viruses which method comprises administering to a mammal, that has been diagnosed with said viral infection or is at risk of developing said viral infection, a compound of any one of claims 1 to 61.
65. The method of claim 64, wherein said virus is hepatitis C virus.
66. The method of claim 64, further comprising administration of a therapeutically effective amount of one or more agents active against hepatitis C virus.
67. The method of claim 66, wherein said agent active against hepatitis C virus is an
inhibitor of HCV protease, HCV polymerase, HCV helicase, HCV entry, HCV assembly, HCV egress, HCV replicase, HCV NS5A protein, or inosine 5'-monophosphate dehydrogenase.
68. The method of claim 66, wherein said agent active against hepatitis C virus is interferon.
69. The method of claim 66, wherein said agent active against hepatitis C virus is ribavirin.
70. The method of claim 66, wherein said agent active against hepatitis C virus is interferon in combination with ribavirin.
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