WO2005111015A1 - 置換ピロリジン誘導体 - Google Patents
置換ピロリジン誘導体 Download PDFInfo
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- WO2005111015A1 WO2005111015A1 PCT/JP2005/008750 JP2005008750W WO2005111015A1 WO 2005111015 A1 WO2005111015 A1 WO 2005111015A1 JP 2005008750 W JP2005008750 W JP 2005008750W WO 2005111015 A1 WO2005111015 A1 WO 2005111015A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic 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
- C07D401/02—Heterocyclic 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
- C07D401/04—Heterocyclic 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D498/06—Peri-condensed systems
Definitions
- the present invention relates to a quinolone synthetic antibacterial agent useful as a medicament, an animal drug, a marine drug or an antibacterial preservative, and particularly to 1,4-dihydro-4-oxoquinoline-3-carboxylic acid (“quinoline”). Abbreviated as “mouth”.) It relates to a quinolone synthetic antibacterial drug having a 3-amino-4-aliphatic hydrocarbon-substituted pyrrolidine-1-yl group at the 7-position of the skeleton.
- quinolone synthetic antibacterial drugs include those having a mere quinolone skeleton and 2,3 dihydro-17-oxo 7H pyrido [1,2,3-de] [l, 4] benzoxazine 6-potassium Abbreviations for "pyridobenzoxazine") and those having a quinolone mother nucleus further having a condensed ring as a basic skeleton.
- bacteria with low sensitivity to quinolone synthetic antibacterial drugs are increasing.
- gram-positive bacteria such as Staphylococcus aureus (MRSA) and pneumococcus (PRSP), which are insensitive to beta-ratatum antibiotics, and enterococci (VRE), which are insensitive to aminoglycoside antibiotics
- MRSA Staphylococcus aureus
- PRSP pneumococcus
- VRE enterococci
- Bacteria that are resistant to drugs other than quinolone synthetic antibacterial drugs, such as cocci are also increasing, and bacteria that are less sensitive to quinolone synthetic antibacterial drugs are also increasing. Therefore, especially in a clinical setting, a drug having higher efficacy against Gram-positive cocci is desired.
- quinolone synthetic antibacterials include non-steroidal anti-inflammatory drugs (NSAIDs) for convulsions, central effects (slight central nervous system disorders such as lightheadedness, headache, insomnia, etc.). And severe side effects such as convulsions), phototoxicity (photosensitivity), hepatotoxicity, cardiotoxicity (abnormalities observed as ECG abnormalities that induce fatal arrhythmias), and abnormal blood glucose levels.
- NSAIDs non-steroidal anti-inflammatory drugs
- central effects light central nervous system disorders such as lightheadedness, headache, insomnia, etc.
- severe side effects such as convulsions
- phototoxicity photosensitivity
- hepatotoxicity hepatotoxicity
- cardiotoxicity abnormalities observed as ECG abnormalities that induce fatal arrhythmias
- abnormal blood glucose levels abnormal blood glucose levels.
- the following compound having a pyridobenzoxazine skeleton is also disclosed. Since the substituent at position 7 is a cis 3 amino-4 methylpyrrolidine 1 yl group, the compound is a diastereomeric mixture.
- Patent Document 5 4-position methyl group as a substituent, 2 full O b cyclopropyl group as one in which the substituent Kino port emissions skeleton (corresponding to group) pyrrolidinyl group (corresponding to group R 2)
- the substituent Kino port emissions skeleton corresponding to group
- pyrrolidinyl group corresponding to group R 2
- the following compound having the following formula is disclosed (the definition of the substituent in this compound in Patent Document 5 is the same as that defined in Document 5, and even if the same symbol is used, Irrelevant to the definition of.), But unsubstituted cyclopropyl groups are said to be preferred.
- Patent Document 6 does not disclose a halogenocyclopropyl group as the 1-position substituent at all.
- Patent Document 7 discloses an ethyl group as a 4-position substituent of a pyrrolidinyl group, but in a specific example, the 1-position substituent of the quinolone skeleton is limited to an unsubstituted cyclopropyl group. I have.
- Patent Documents 8 and 9 also disclose an ethyl group as the 4-position substituent (corresponding to the group R 1 ) of the pyrrolidinyl group (Patent Documents 8 and 9 define the substituent in this compound. This is defined in Reference 8 etc., and the same symbol is irrelevant to the definition of the substituent in the present specification.), And the 1-position substituent of the quinolone skeleton is an unsubstituted cyclo. Propyl group.
- Patent Documents 10 and 11 disclose the following compounds.
- Patent Document 1 Japanese Patent No. 2917010
- Patent Document 2 US Patent No. 5587386
- Patent Document 3 European Patent Specification No. 208210
- Patent Document 4 U.S. Pat.No. 4,753,953
- Patent Document 5 JP-A-63-264461
- Patent Document 6 U.S. Pat. No. 4,855,292
- Patent Document 7 JP-A-64-83068
- Patent Document 8 International Publication No. 96Z22988 pamphlet
- Patent Document 9 Japanese Patent Application Laid-Open No. 8-259561
- Patent Document 10 European Patent No. 242789
- Patent Document 11 U.S. Pat.No. 4,868,810
- Non-Patent Document 1 edited by Hiroyuki Kobayashi, Clinical Application of New Quinolones, Pharmaceutical Journal (2001)
- Non-Patent Document 2 International Journal of Antimicrobial Agents, Volume 16, Page 5 (2000)
- Non-Patent Document 3 Journal of Antimicrovial Chemotherapy, Vol. 33, p. 685 (1994)
- the present invention provides a quinolone antibacterial agent having a strong antibacterial activity and high selective toxicity against Gram-positive bacteria and Gram-negative bacteria and having high safety without side effects such as convulsions.
- the purpose of the present invention is to provide a remedy for diseases.
- the present inventors have found that they exhibit almost the same antibacterial activity as known quinolone-based synthetic antibacterial agents, and also have high safety as an antibacterial agent and a therapeutic agent for infectious diseases, thereby completing the present invention. That is, the present invention provides the following general formula (I): [0025]
- R 1 represents a hydrogen atom or a force representing an alkyl group having 1 to 6 carbon atoms, or a substituted carboxyl group derived from an amino acid, a dipeptide or a tripeptide;
- R 2 is a force representing a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.
- the alkyl group includes a hydroxyl group, an amino group, and a halogen atom.
- R 3 represents an alkyl group having 2 to 6 carbon atoms, an alkyl group having 2 to 6 carbon atoms, or a cycloalkyl group having 3 to 6 carbon atoms;
- R 4 and R 5 each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms;
- R 6 represents a halogenocycloalkyl group having 3 to 6 carbon atoms;
- R 7 is a hydrogen atom, a phenyl group, an acetomethyl group, a bivaloyloxymethyl group, an ethoxycarbol group, a choline group, a dimethylaminoethyl group, a 5-indanyl group, a phthalidyl group, a 5-alkyl-2-oxo 1, (3) Dioxol-4-ylmethyl group, (3) ethoxy-2-oxobutyl group, alkyl group having 1 to 6 carbon atoms, alkoxymethyl group having 2 to 7 carbon atoms, or a phenyl group composed of an alkylene group having 1 to 6 carbon atoms and a fuel group.
- X 1 represents a hydrogen atom or a halogen atom
- A is a nitrogen atom or a formula ( ⁇ ): [0027] [Dani 8]
- X 2 represents an alkyl group having 1 to 6 carbon atoms or an alkoxy group having 1 to 6 carbon atoms
- X 2 and the above-mentioned R 6 may form a cyclic structure including a part of the mother nucleus, and the ring formed in this manner may have an oxygen atom, a nitrogen atom or a sulfur atom.
- This ring may be further included as a constituent atom of the ring, and may be further substituted with an alkyl group having 1 to 6 carbon atoms which may have a substituent.
- the present invention also relates to 7-[(3S, 4S) -3amino-4ethylpyrrolidine-1-yl] -6-fluoro-1-[(1R, 2S) -2- (S) -fluoro Rocyclopropyl] — 1,4-dihydro-8-methoxy-4-oxoquinoline-3-capronic acid, a salt thereof or a hydrate thereof; 7-[(3S, 4S) -3-amino-4-ethylpyrrolidine-1-yl] —6 Fluoro 1 — [(1R, 2S) —2 fluorocyclopropyl] —1,4 dihydro-18-methyl 4-oxoquinoline 3-potassic acid, a salt thereof, or a hydrate thereof;
- the present invention also provides a drug, an antibacterial agent, and a therapeutic agent for infectious diseases, comprising the compound represented by the formula (I), a salt thereof, or a hydrate thereof as an active ingredient.
- the present invention also provides a method for treating a disease, which comprises administering an effective amount of the compound represented by the formula (I), a salt thereof, or a hydrate thereof;
- a method for treating infectious diseases comprising administering an effective amount of the compound represented by the formula (I), a salt thereof, or a hydrate thereof.
- the present invention also provides a method for producing a medicament, which comprises mixing the compound represented by the formula (I), a salt thereof, or a hydrate thereof;
- the present invention further provides a use of the compound represented by the formula (I), a salt thereof, or a hydrate thereof for production of a medicament;
- the substituted pyrrolidine derivative of the present invention has almost the same antibacterial activity against dalam-positive bacteria and gram-negative bacteria as compared with known quinolone-based synthetic antibacterial drugs, but has a convulsant-inducing action and a clastogenicity-inducing action. Has weak security. Therefore, the substituted pyrrolidine derivatives of the present invention are useful as antibacterial agents and therapeutic agents for infectious diseases.
- R 1 is a force representing a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, or a substituted carbon group derived from an amino acid, a dipeptide or a tripeptide.
- R 2 is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms. Examples of the alkyl group having 1 to 6 carbon atoms represented by R 1 and R 2 include a linear alkyl group such as a methyl group, an ethyl group, an n-propyl group, an n-butyl group, and an n-pentyl group, or an isopropyl group.
- R 1 and R 2 are both hydrogen atoms, or one of them is a hydrogen atom and the other is an alkyl group having 1 to 6 carbon atoms. Further, it is particularly preferable that both the powers which are hydrogen atoms or one of them is a hydrogen atom and the other is a S-methyl group.
- R 1 is a substituted carboyl group derived from an amino acid, a dipeptide or a tripeptide.
- the compound (I) is useful as a prodrug.
- Substituents for obtaining such a prodrug include, for example, amino acids such as glycine, alanine, and aspartic acid, and glycine. Examples include dipeptides such as glycine, glycine-alanine, and alanine-alanine, and substituted carboxyl groups, which are also derived from tripeptides such as glycine glycine-alanine and glycine-alanine-alanine.
- the alkyl group includes a hydroxyl group, an amino group, a halogen atom, an alkylthio group having 1 to 6 carbon atoms, and an alkylthio group having 1 to 6 carbon atoms.
- Alkoxy group strength Group strength The selected group may be substituted.
- the hydroxyl group or amino group is substituted for the alkyl group, those substituted on the terminal carbon atom of the alkyl group are more preferable.
- the alkyl group having a hydroxyl group those having up to 3 carbon atoms, such as hydroxymethyl group, 2-hydroxyethyl group, 2-hydroxypropyl group and 3-hydroxypropyl group, are preferred.
- alkyl group having an amino group those having up to 3 carbon atoms, such as an aminomethyl group, a 2-aminoethyl group, a 2-aminopropyl group, and a 3-aminopropyl group, are preferred.
- the alkyl group may be linear or branched having 1 to 6 carbon atoms, and a halogen atom is preferably a fluorine atom.
- the number of fluorine atoms may be any number up to the mono-substitution force and the perfluoro-substitution. Examples include a monofluoromethyl group, a difluoromethyl group, a trifluoromethyl group, a 2,2,2-trifluoroethyl group, and the like.
- the alkyl group When the alkyl group is substituted with an alkylthio group or an alkoxy group, the alkyl group may be linear or branched, and the alkyl group may be linear or branched, and the alkyl group may be linear or branched.
- the alkyl group having an alkylthio group is preferably an alkylthiomethyl group, an alkylthioethyl group or an alkylthiopropyl group, and more preferably an alkylthio group having 1 to 3 carbon atoms. More preferred examples include a methylthiomethyl group, an ethylthiomethyl group, and a methylthioethyl group.
- the alkyl group having an alkoxy group is preferably an alkoxymethyl group, an alkoxyshethyl group, or an alkoxypropyl group, and more preferably an alkoxy group having 1 to 3 carbon atoms. More preferred are a methoxymethyl group, an ethoxymethyl group and a methoxyethyl group.
- an ethyl group, an n-propyl group, an n- examples include a linear alkyl group such as butyl group and n-pentyl group, or a branched alkyl group such as isopropyl group, isobutyl group, sec-butyl group and tert-butyl group, and preferably ethyl group, n-propyl group and isopropyl group. Particularly preferred is an ethyl group.
- Examples of the cycloalkyl group having 3 to 6 carbon atoms include a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, and a cyclohexyl group.
- a cyclopropyl group or a cyclobutyl group is preferable, and a cyclopropyl group is particularly preferable.
- Examples of the alkyl group having 2 to 6 carbon atoms include a butyl group, a 1-propyl group, a 2-propyl group, an isopropyl group, and the like, and a butyl group or an isopropyl group.
- a butyl group is preferable.
- Echiru group is particularly preferred.
- R 4 and R 5 are each independently a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, and both are preferably hydrogen atoms.
- Examples of the alkyl group having 1 to 6 carbon atoms include the same groups as described above.
- the halogenoalkyl cycloalkyl group having 3 to 6 carbon atoms represented by R 6, means one or two halogen atoms (fluorine atom, chlorine atom, bromine atom, etc.) the cycloalkyl group substituted with I do.
- a cycloalkyl group a monohalogenocyclopropyl group or a dihalogenocyclopropyl group is preferred, and a monofluorocyclopropyl group is particularly preferred.
- R 7 a hydrogen atom, a phenyl group, an acetomethyl group, a bivaloyloxymethyl group, an ethoxycarbon group, a choline group, a dimethylaminoethyl group, a 5-indanyl group, a phthalidyl group, Alkyl 2-oxo-1,3-dioxol-4-ylmethyl group, 3-acetoxy-2-oxobutyl group, the alkyl group having 1 to 6 carbon atoms, the alkoxymethyl group having 2 to 7 carbon atoms, and the alkylene group having 1 to 6 carbon atoms and phenol And a phenylalkyl group.
- the alkoxymethyl group having 2 to 7 carbon atoms means a methyl group substituted by the above-mentioned alkoxy group having 1 to 6 carbon atoms, and specific examples include a methoxymethyl group, an ethoxymethyl group, and a propoxymethyl group.
- Can be Examples of the phenylalkyl group consisting of an alkylene group having 1 to 6 carbon atoms and a phenyl group include a phenylmethyl group and a phenylethyl group.
- R 7 hydrogen atom is particularly preferable.
- esters useful as synthetic intermediates include, for example, Examples include kill esters, benzyl esters, alkoxyalkyl esters, phenylalkyl esters, and phenyl esters.
- Esters useful as prodrugs are those that are readily cleaved in vivo to form the free form of the carboxylic acid.
- acetomethyl ester for example, acetomethyl ester, bivaloyloxymethyl ester, ethoxycarbonyl ester, choline ester, dimethylaminoethyl ester, 5-indanyl ester, phthalidinyl ester, 5-alkyl 2-oxo-1,3-dioxole 4-yl Examples include methyl ester and 3-acetoxy 2-oxobutyl ester.
- X 1 is a hydrogen atom or a halogen atom, and a hydrogen atom or a fluorine atom is preferred, and a fluorine atom is particularly preferred.
- X 2 is an alkyl group having 1 to 6 carbon atoms or an alkoxy group having 1 to 6 carbon atoms.
- alkyl group having 1 to 6 carbon atoms include those described above.
- the alkoxy group having 1 to 6 carbon atoms may be an alkoxy group from which the alkyl group power is also derived. Among them, an alkyl group having 1 to 3 carbon atoms or an alkoxy group having 1 to 3 carbon atoms is preferable, and a methyl group or a methoxy group is particularly preferable.
- the partial structure may be a cyclic structure in which X 2 and R 6 include a part of the quinolone skeleton.
- the ring formed here is particularly preferably a 6-membered ring whose size is preferably a 5- to 7-membered ring.
- the ring formed may be saturated or unsaturated.
- the cyclic structure may contain an oxygen atom, a nitrogen atom or a sulfur atom as a ring-constituting atom, and may be further substituted with the alkyl group having 1 to 6 carbon atoms.
- the cyclic structure formed preferably contains an oxygen atom and is further substituted with a methyl group.
- the partial structure forming the cyclic structure is preferably a structure of the formula: —OCH—CH (—CH) — (the rightmost carbon atom is bonded to a nitrogen atom).
- 3-amino-4 is a substituent at the 7-position (in the case of a pyridobenzoxazine skeleton, it is a substituent at the 10-position).
- the aliphatic group-substituted pyrrolidine— 1—yl group has the following formula (B):
- the 3,4-cis isomer is preferable, and more preferably, poma (3S, 4S)-rooster or poma (3S, 4R)-rooster, especially in (3S, 4S) configuration U, with certain formulas (B1) being preferred.
- the stereochemical environment of the halogenocyclopropyl group of R 6 is preferably such that the halogen atom and the quinolone carboxylic acid skeleton have a 1,2-cis configuration with respect to the cyclopropane ring.
- the “cis configuration” means that a halogen atom and a quinolone carboxylic acid skeleton are in a cis configuration with respect to a cyclopropane ring.
- the cis configuration includes the (1R, 2S) -configuration and the (1S, 2R) configuration, of which the former is preferable.
- the compound of the present invention represented by the above formula (I) has a diastereomer in its structure, but when the compound of the present invention is administered to an animal or a human, the compound also forms a single diastereomarker. It is preferable to administer.
- Consisting of a single diastereomer refers to a case in which other diastereomers are included to the extent that they do not affect the physical constants and activities more than when no other diastereomer is contained.
- the term “stereochemically single” means that when an optical isomer is present, it has an effect on physical constants and activities that are not limited to the case where a compound is composed of only one optically active isomer.
- the compound (I) of the present invention is a compound in which the 3-position and the 4-position in the 7-position substituent have the (3S, 4S) configuration and the halogenocyclopropyl group of R 6 has the (1R, 2S) configuration. Or those having the (3S, 4S) configuration, but those having the above-mentioned pyridobenzoxazine skeleton are particularly preferable considering the quinolone skeleton.
- the compound (I) of the present invention may be in a free form! /! May be an acid addition salt or a salt of a carboxyl group.
- Acid addition salts include inorganic salts such as hydrochloride, sulfate, nitrate, hydrobromide, hydroiodide and phosphate; methanesulfonate, benzenesulfonate, p-toluenesulfonate And organic acid salts such as carboxylic acid salts such as sulfonic acid salts, acetate salts, citrate salts, maleate salts, fumarate salts, and lactate salts.
- salt of the carboxyl group examples include alkali metal salts such as lithium salt, sodium salt and potassium salt; alkaline earth metal salts such as magnesium salt and calcium salt; ammonium salt, triethylamine salt, N-methyldalcamine And tris (hydroxymethyl) amino methane salt.
- free form, acid addition salt or salt of the carboxyl group of the compound (I) of the present invention may exist as a hydrate.
- Specific examples of the compound (I) of the present invention include the following: 7-[(3S, 4S) -3amino-4ethylpyrrolidine-1-yl] -6fluorol-[(1R, 2S) -2- (S) -Funoleolocyclopropinole] -1,4 Dihydro-1-methoxy-14-oxoquinoline 3-capronic acid, a salt thereof or a hydrate thereof (Compound No.
- the compound of the present invention represented by the formula (I) can be produced by various methods.
- Preferred examples include, for example, a compound represented by the general formula (VI-1) or (VI-2):
- X 2 is a leaving group
- Q is an alkyl group having 1 to 6 carbon atoms.
- the compound power represented by or the COOR 7 part of these compounds is COOBF or
- R 4 and R 5 are as defined above.
- the compound can be produced by reacting with a 3 amino-4 aliphatic substituted pyrrolidine derivative represented by or a salt thereof.
- the compound of the formula (VII) can be prepared at the time of use by removing the protecting group during the reaction of the compound in which the nitrogen atom in the ring is protected. Prolapse
- the leaving group x 2 includes a methanesulfo-loxy group, a trifluoromethanesulfo-loxy group
- a substituted sulfoxy group such as a benzenesulfoxy group and a toluenesulfoxy group, or a halogen atom.
- the addition salt include those described above. Details of the production method are described in International Publication No. 02Z40478 pamphlet and Japanese Patent Application No. 2003-336864.
- the reaction between the boron chelate compound and the compound of the formula (VII) may be carried out in the presence of a base, and after the reaction, the boron chelate moiety can be cleaved by hydrolysis in the presence of the base. May be specifically carried out according to a known method.
- Boc is tert butoxycarbonyl - represents Le group
- Cbz represents a Penji Honoré oxy Cal Boniru group
- X 3 represents a leaving group nucleophilic substitution reactions
- R 8 is it is as defined above R 3.
- step 1 the nucleophilic substitution reaction (step 2) is performed on the hydroxymethyl group portion of (3S, 4S) 1 benzyloxycarbol-3 (tert-butoxycarbonyl) amino-hydroxymethylpyrrolidine.
- step 2 the nucleophilic substitution reaction
- step 3S, 4S) -11-benzyloxycarbonyl-13- (tert-butoxycarbol) amino-1-hydroxymethylpyrrolidine can be produced according to the method described in International Publication No. 99Z65918 pamphlet.
- the leaving group includes, for example, a substituted sulfonyloxy group, preferably a methanesulfonyloxy group, a trifluoromethanesulfonyloxy group, a benzenesulfonyloxy group or a p-toluenesulfonyloxy group, particularly p-toluenesulfonyl group. Two / reoxy groups are preferred. Also desorption The group may be a halogen atom, in which case a bromine or iodine atom is preferred. The conditions for the introduction reaction of the substituted sulfonyloxy group and the halogenation may be those commonly used.
- a carbon-carbon bond is formed by a nucleophilic substitution reaction.
- the reaction reagent generally, an organic alkyllithium reagent used for a coupling reaction with a halogenated alkyl, a Grignard reagent, an organic copper reagent used for an S2-type substitution reaction (for example, dialkyl
- the reaction can be usually performed using a solvent inert to an organic metal (an ether solvent such as getyl ether or tetrahydrofuran).
- an ether solvent such as getyl ether or tetrahydrofuran.
- the reagent those prepared for sale or use, or those prepared in a reaction system can be used.
- the deprotection of the 1-position of the pyrrolidine ring in step 3 is not particularly limited as long as it is performed under the condition that other functional groups and steric configurations are not changed.
- a benzyloxycarbonyl group is used as the protecting group at position 1
- catalytic reduction using a palladium catalyst is generally used.
- ammonium formate or the like may be used as a hydrogen source.
- an organic silane such as triethylsilane
- strong acid conditions for example, hydrobromic acid, trifluoroacetic acid, trifluoromethanesulfonic acid and trifluoroacetic acid
- sodium liquid ammonia perch reduction conditions
- the acidification of the hydroxymethyl group in step 4 is not particularly limited as long as it is a condition usually performed.
- the oxidizing reagent include ruthenium reagents such as Dess-Martin reagent, dimethyl sulfoxide (including swan oxidizing), tetrapropylammonium-dimethyl palthenate (TPAP) Z4-methylmorpholine pentoxide (NMO), Chromium oxide reagents such as pyridinium chlorothalomerate (PCC) and Collins reagents.
- the oxidation reaction or post-treatment of the reaction is preferably carried out under conditions that do not cause isomerization of the formyl group at the 4-position of the pyrrolidine ring [isomerization from (4S) -isomer to (4R) -isomer].
- the unnecessary enantiomer [(4R) -isomer] may be separated by an operation such as chromatography.
- purify products that are favored by the Dess-Martin oxidation reaction It is preferable to use it in the next step without using it.
- step 5 the carbonyl group of the aldehyde is methyleneated.
- a Dietschich reaction is usually used, but it is preferable to carry out the reaction under conditions where the above-mentioned isomerization does not occur.
- a method using an organotitanium reagent such as a Tetsube reagent, a Grubyus reagent, or a Nozaki Lombard reagent may be used. It is preferable to use jode methane.
- step 6 it is necessary to remove the protecting group at the 1-position of the pyrrolidine ring while maintaining the carbon-carbon double bond of the vinyl group or the bilydene group at the 4-position of the pyrrolidine ring.
- Examples of such conditions include a method using barium hydroxide in addition to the strong acid conditions described in Step 3.
- a method using sodium-liquid ammonia is preferred.
- a carbene or carbenoid
- the reagents used in the reaction include diazomethane Z zinc copper complex, iodomethane / getyl zinc, iodomethane / samarium iodide, dibromomethane Z nickel complex, and diazomethane Z transition metal complex represented by diazomethane Z palladium complex.
- diazomethane Z-palladium acetate complex is preferred.
- Step 8 can be performed under the same conditions as in step 3.
- the conditions under which the cyclopropane ring is not cleaved or rearranged by catalytic reduction (catalytic hydrogenolysis reaction) using a transition metal catalyst are used.
- a permanganate such as lead tetraacetate or potassium permanganate, sodium periodate (using a ruthenium catalyst), chromic acid, silver oxide, hypochlorous acid, etc. It can be carried out with sodium acid-sodium dihydrogen phosphate, hydrogen peroxide, or the like. Of these, sodium hypochlorite-sodium dihydrogen phosphate is preferred.
- the esterification reaction of the carboxylic acid in step 10 includes, for example, a method in which an alcohol is allowed to act in the presence of an acid catalyst such as sulfuric acid, p-toluenesulfonic acid, or fluoroboric acid; (Method via activated ester, method for activating alcohol;), O-alkylation method using diazomethane, etc., method using alkene and alkyne under acid catalyst, alkylation method via carboxylate, acid anhydride And a method via an acid nodogeni-dani. Of these, the method using diazomethane is preferred.
- the ester is converted to a tertiary alcohol by adding an organometallic reagent to the ester.
- the reagent used in the reaction examples include a Grignard reagent, an organic lithium reagent, an organic cerium reagent, an organic titanium reagent, an organic zinc reagent, an organic aluminum reagent, an organic copper reagent, and an organic samarium reagent.
- the reaction is usually performed using an inert solvent (an ether solvent such as getyl ether or tetrahydrofuran) for the organic metal.
- an ether solvent such as getyl ether or tetrahydrofuran
- the Dal-Yard reagent which is preferably a Grignard reagent, an organolithium reagent or an organic cerium reagent, is preferred.
- the reaction is desirably carried out in a temperature range of -30 to 0 ° C in order to avoid the above-mentioned isomerism.
- the tertiary alcohol derivative is dehydrated and converted to an alkene.
- the reaction can be a general dehydration (elimination) reaction, such as acid-catalyzed dehydration using sulfuric acid or p-toluenesulfonic acid, dehydration using alumina as a catalyst, sulfonating agents, esterifying agents, etc. (E.g., salt-forming thionyl-pyridine), 1,2-elimination reaction of an ester or a sulfonate (e.g., a base acts on a substituted sulfonyloxy group), and methanesulfonyl chloride.
- U which is preferred.
- step 13 the carbon-carbon double bond of the bi-lidene group is converted to an isopropyl group by catalytic reduction.
- the reduction of the carbon-carbon double bond and the deprotection at the 1-position can be performed simultaneously.
- a catalytic hydrogen conversion reaction using ammonium formate or the like instead of hydrogen gas can be used.
- a reduction reaction using an organic metal salt Z metal hydride reagent for example, cobalt chloride Z sodium hydride or the like
- a hydroboration reaction for example, a hydroboration reaction, or a protonation reaction may also be used.
- Step 14 is the same as step 3.
- step 15 the absolute configuration of the formyl group at the 4-position of the pyrrolidine ring is converted from the (4S) form to the (4R) form.
- This isomeridani is prepared in an appropriate solvent using an organic base such as triethylamine or 1,8 diazabicyclo [5.4.0] pandecane 7 (DBU), or potassium carbonate, sodium hydroxide or the like.
- DBU pandecane 7
- Triethylamine is preferred.
- the reaction is preferably carried out in a temperature range of -78 to 40 ° C. If the conversion rate of the isomerization is less than 100%, the required enantiomer (4R) is converted to the chromatogram. What is necessary is just to separate and refine
- step 16 it is preferable to use force methyltriphenylphospho-dimethylbromide which can be carried out in the same manner as in step 5.
- Step 17 is the same as step 13
- step 18 is the same as step 3. Steps 16 to 18 can be performed simultaneously.
- the compound (I) of the present invention can be produced from the compound represented by the above general formula (VI-1) or (VI-2) and (VII), for example, by the following method.
- the production method will be described with reference to the compound of Compound No. 1 in Examples described later.
- Compound (4) can be obtained by dissolving compound (2) in an appropriate solvent and reacting 3- (tert-butoxycarbonyl) amino-4 aliphatic substituted pyrrolidine (3) in the presence of a base.
- the protective group include a tert-butyloxycarbol (Boc) group, a benzyloxycarbol group, a p-methoxybenzyloxycarbol group, an acetyl group, a methoxyacetyl group, a trifluoroacetyl group, Pivaloyl, formyl, benzoyl, tert-butyl, benzyl, trimethylsilyl, isopropyldimethylsilyl and the like can be used.
- Bases include carbonates, bicarbonates or hydroxides of alkali metals or alkaline earth metals, trialkylamines such as triethylamine, N, N diisopropylethylamine, pyridine, 1,8 diazabicycloundecene. , N-methylbiperidine and the like can be used, but triethylamine is preferred.
- the solvent used should not interfere with the reaction.
- N, N-dimethylformamide, dimethylsulfoxide, sulfolane, acetonitrile, ethanol, dimethylacetamide, tetrahydrofuran or N-methylpyrrolidone are preferred, and dimethylsulfoxide or sulfolane is particularly preferred. Better.
- the compound (1-1) of the present invention can be obtained by hydrolyzing the compound (4) and then removing the protecting group for the amino group.
- the hydrolysis of compound (4) may be carried out under the conditions usually used. For example, it can be carried out by allowing a base to act in an alcohol solvent such as methanol or ethanol. Triethylamine is preferred as the base.
- the reaction is preferably performed under ice cooling. Deprotection can be carried out under conditions suitable for the protecting group used, for example, by treating the hydrolyzate with concentrated hydrochloric acid. After completion of the reaction, the reaction solution is made basic with, for example, an aqueous sodium hydroxide solution.
- the target product can be obtained by using a carboxylic acid conjugate instead of the compound (4) which is a boron chelate conjugate.
- the compound (I) of the present invention has almost the same strong antibacterial activity as a known quinolone synthetic antibacterial agent, and has a high safety with weak seizure-inducing and clastogenic effects. And as a pharmaceutical for fish, or as a pesticide or food preservative.
- the dosage may range from 5 Omg to: Lg per adult per day, more preferably from 100 to 500 mg power S.
- the dosage for animals depends on the purpose of administration, the size of the animal to be treated, the type and extent of the infected pathogen, and is generally 1 to 200 mg / kg of animal body weight per day. 5 ⁇ : Better than LOOmg power. This daily dose is administered once a day or divided into 2 to 4 times. The daily amount may exceed the above amount if necessary! ,.
- the compound (I) of the present invention is active against a wide range of microorganisms that cause various infectious diseases, and can treat, prevent or reduce diseases caused by these pathogens.
- bacteria or bacteria-like microorganisms in which the compound of the present invention is effective include Staphylococcus, Streptococcus pyogenes, Hemolytic streptococci, Enterococci, Pneumococci, Peptostreptococcus, Neisseria gonorrhoeae, Escherichia coli, Citropobacter, Shigella, Klebsiella pneumoniae, Enterobacter, Serratia, Proteus, Pseudomonas, Pseudomonas aeruginosa, Infenolenza, Acinetobacter, Campylobacter, Trachoma chlamydia and the like.
- Diseases caused by these pathogens include folliculitis, cough, syphilis, erysipelas, cellulitis, lymphatic (node) inflammation, whitlow, subcutaneous abscess, sweat glanditis, acne condensate, infection Ulcers, perianal abscess, mastitis, trauma, burns, superficial secondary infections such as surgical wounds, pharyngolaryngitis, acute bronchitis, tonsillitis, chronic bronchitis, bronchiectasis, diffuse generalized Bronchitis, secondary infection of chronic respiratory disease, pneumonia, pyelonephritis, cystitis, prostatitis, epididymitis, gonococcal urethritis, nongonococcal urethritis, cholecystitis, cholangitis, bacillary dysentery, enteritis, uterus Adnexitis, intrauterine infection, Bartholin's adenitis
- tuberculosis bacteria Mycobacterium tuberculosis, M. bovius, M. africanum
- atypical acid-fast bacteria M. kansasii, M. Marainam, M. scrofasem, M. avium, M. intracellulare, M. xenobi, M. fortiyutum, M. Ceronnay
- Mycobacterial infections caused by these pathogens can be broadly classified into three categories: tuberculosis, atypical mycobacteriosis, and leprosy.
- Mycobacterium tuberculosis infection includes lung, chest, trachea 'bronchi, lymph nodes, systemic dissemination, bone joints, meninges, brain, digestive organs (intestines, liver), skin, mammary glands, eyes, middle ear, It is found in the pharynx, urinary tract, male genitals, female genitals, etc.
- the main organ affected by atypical mycobacteriosis is the lung, and other types include local lymphadenitis, skin and soft tissue, osteoarthritis, and systemic dissemination.
- infectious diseases of animals for example, genus Escherichia, Salmonella, Nosulella, Hemophilus, Bordetella, Staphylococcus, Mycoplasma, and the like.
- Specific diseases include coliform disease, chicken dysentery, chicken typhoid disease, poultry cholera, infectious coryza, staphylococcal disease, mycoplasma infection, etc. in birds, and Escherichia coli, salmonellosis, pastrella disease, and hemophilus infection in pigs.
- the antibacterial agent containing the compound (I) of the present invention can be prepared by selecting an appropriate preparation according to the administration method and preparing various preparations which are usually used.
- Examples of the dosage form of the antibacterial drug containing the compound of the present invention include tablets, powders, granules, capsules, solutions, syrups, elixirs, oily and aqueous suspensions, and the like. Injectables may be used as stabilizers, preservatives, solution adjuvants, etc., and may contain solutions that may contain them. It may be a formulation. Also, multiple doses may be stored in the same container, or one dose may be stored in a container.
- external preparations include solutions, suspensions, emulsions, ointments, gels, creams, lotions, sprays and the like.
- Solid preparations may contain pharmaceutically acceptable additives together with the active compound.
- additives include fillers, binders, disintegrants, solution enhancers, Examples include wetting agents and lubricants.
- Liquid preparations include solutions, suspensions, emulsions, and the like, and may contain suspending agents, emulsifiers, and the like as additives.
- Acetic acid or sodium hydroxide 0.5 to 2 g ethyl ethyl noroxybenzoate 0.5 lg 100g in total
- IR (ATR) v cm _1 3321, 2966, 2937, 2877, 1684, 1525, 1454, 1417, 1
- the reaction solution was washed with chloroform (50 mL ⁇ 3), and the aqueous layer was cooled with ice.
- the aqueous solution of lOmolZl sodium hydroxide was adjusted to pH 12.0, then adjusted to pH 7.4, and extracted with chlorophonolem (200 mLX2).
- the organic layer was dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure.
- the obtained residue was purified by recrystallization from ethanol, and dried under reduced pressure to give the title compound (65.0 mg, 12%) as pale-brown crystals.
- the reaction solution was transferred to a separatory funnel using ImolZl hydrochloric acid (20 mL), washed with chloroform (50 mL), and the aqueous layer was ice-cooled. Next, the mixture was adjusted to pH 7.4 and extracted with a black-mouthed form (200 mL ⁇ 2). After the organic layer was dried over anhydrous sodium sulfate, the solvent was distilled off under reduced pressure. The obtained residue was purified by recrystallization from a mixed solvent system of ethanol and 28% aqueous ammonia (10: 1), and dried under reduced pressure to obtain 176 mg (79%) of the title compound as yellow crystals.
- thimagnesium bromide (3.6 mL, 3.2 mmol, 0.89 M tetrahydrofuran solution) was added dropwise to a suspension of copper iodide (38 mg) in getyl ether (1 mL).
- 3S, 4S) -1 1-Benzyloxycarbol 3- (tert-butoxycarbonyl) amino-4- (p-toluenesulfo-roxy) methylpyrrolidine (400mg, 0.792mmol) in getyl ether (4mL) was dropped. The temperature was gradually raised to 10 ° C, and the mixture was stirred for 2 hours.
- IR (ATR) v cm _1 3383, 2929, 2871, 1616, 1541, 1429, 1313, 1051, 9 28, 804.
- the obtained crystals were mixed with ethanol (45 mL), water (5 mL) and triethylamine (10 mL), and heated under reflux for 3 hours. After the reaction solution was concentrated under reduced pressure, the residue was dissolved in chloroform (100 mL), and the organic layer was washed with a 10% aqueous solution of citric acid (50 mL) and saturated saline (50 mL), and dried over anhydrous sodium sulfate. .
- the obtained crystals were dissolved by adding ethanol (90 mL) and water (10 mL), and triethylamine (20 mL) was added, followed by heating under reflux for 3 hours.
- the reaction solution was concentrated under reduced pressure, dissolved in chloroform (300 mL), washed with a 10% aqueous solution of citric acid (200 mL) and saturated saline (100 mL), and the obtained organic layer was dried over anhydrous sodium sulfate. . After filtration, the filtrate was concentrated under reduced pressure, concentrated hydrochloric acid was added at room temperature to dissolve the solid, and the mixture was stirred for 30 minutes.
- the reaction solution was washed with chloroform (50 mL), the aqueous layer was diluted, the precipitated crystals were collected by filtration, recrystallized and purified from ethanol, and dried under reduced pressure to give the title compound (1.44 g, 59.4% ) Was obtained as yellow crystals. Further, the pH of the hydrochloric acid-acidified aqueous layer was adjusted to pH 7.7 with an aqueous sodium hydroxide solution, followed by extraction with chloroform (100 mL ⁇ 2), drying over anhydrous sodium sulfate, filtration, and concentration of the filtrate under reduced pressure. did. The obtained crystals were recrystallized from 2-propanol and purified to give 90 mg (4.6%) as a free form of the title compound.
- the aqueous layer was extracted with dichloromethane (30 mL XI), and the organic layer was washed with 0.05 mol Zl aqueous sodium hydroxide solution (60 mL) and saturated saline (100 mL), and then dried over anhydrous sodium sulfate. After filtration, the filtrate was concentrated under reduced pressure to give the title compound (0.90 g, 91%) as a colorless oil.
- the crystals collected by filtration are suspended in a mixed solution of ethanol (10 mL) and water (2 mL), and triethylamine (3 mL) is added thereto. The mixture was heated under reflux for 5 hours.
- the reaction solution was concentrated under reduced pressure, dissolved in chloroform (100 mL), washed with a 10% aqueous solution of citric acid (30 mL), and the obtained organic layer was dried over anhydrous sodium sulfate. After filtration, the filtrate was concentrated under reduced pressure, concentrated hydrochloric acid (5 mL) was added to the resulting yellow solid under ice-cooling, and the mixture was stirred for 45 minutes.
- the reaction mixture was transferred to a separatory funnel using 4 mol Zl hydrochloric acid (5 mL), washed with chloroform (50 mL X 7), and the aqueous layer was cooled with ice to make a lOmol Zl sodium hydroxide aqueous solution into kazane-free PH12.0. [This pH 7.4 [This was adjusted, and Kuhonorem (70ml ⁇ X3)] was extracted. The organic layer was dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure. The obtained residue was purified by recrystallization from ethanol, and dried under reduced pressure to give 188 mg (64%) of the title compound as yellow crystals.
- reaction solution was concentrated under reduced pressure, dissolved in chloroform (200 mL), washed with a 10% aqueous solution of citric acid (50 mL), and the obtained organic layer was dried over anhydrous sodium sulfate. After filtration, the filtrate was concentrated under reduced pressure, concentrated hydrochloric acid (10 mL) was added to the yellow solid at room temperature, and the mixture was stirred for 10 minutes.
- the reaction solution was transferred to a separatory funnel using ImolZl hydrochloric acid (10 mL), washed with chloroform (50 mL ⁇ 2), and the aqueous layer was cooled with ice to make a lOmolZl sodium hydroxide aqueous solution to pH 12.0.
- the pH was adjusted to 7.4 and extracted with chlorophonolem (200 mL ⁇ 3).
- the organic layer was dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure.
- the obtained residue was purified by recrystallization from a mixed solvent system of ethanol Z28% ammonia water (25: 1), and dried under reduced pressure to obtain 130 mg (45%) of the title compound as yellow crystals.
- (3S) -1-benzyloxycarbol-3- (tert-butoxycarbol) amino-4 isopropylprolpyrrolidine 300mg, 832 11101
- methanol 10111 solution, 10% palladium on carbon catalyst (300mg)
- 10% palladium-carbon catalyst 300 mg was added again to the filtrate, and the mixture was stirred under a normal pressure hydrogen atmosphere for 1 hour.
- the filtrate was concentrated under reduced pressure to give (3S) -3 (tert-butoxycarbol) amino-4 isopropylpyrrolidine (172 mg, quantitative) as a colorless amorphous As obtained.
- (3S) —3- (tert-Butoxycarbol) amino-4-isopropylpyrrolidine (172 mg, 752 / zmol) in dimethylsulfoxide (2 mL) was added to (3S) -9,10 difluoro-2 , 3 Dihydro-3-methyl-7-oxo7H pyrido [1,2,3-de] [l, 4] benzoxazine 6-difluoroborane complex of rubonic acid (247 mg, 752 mol) and triethylamine (1261, 902 mol) ) And stirred at room temperature for 20 hours.
- reaction solution was concentrated under reduced pressure, ethanol (50 mL), water (2 mL) and triethylamine (1 mL) were added, and the mixture was heated under reflux in a 100 ° C. oil bath for 4 hours.
- the reaction solution was concentrated under reduced pressure, dissolved in ethyl acetate (100 mL x 2), washed with a 10% aqueous solution of citric acid (100 mL) and saturated saline (50 mL), and the obtained organic layer was dried over anhydrous sodium sulfate. Dried.
- IR (ATR) v cm _1 3383, 3317, 2947, 2889, 1716, 1618, 1535, 1437, 1 398, 1346, 1315, 1284, 1232.
- Triethylamine (30 mL) was added, and the mixture was heated to ice-cooling and stirred for 45 minutes. A 10% aqueous solution of citric acid (100 mL) was added, and the mixture was stirred for 10 minutes. The aqueous layer was extracted with dichloromethane (200 mL ⁇ 2), and the organic layer was washed with saturated saline (100 mL). After drying over anhydrous sodium sulfate, the mixture was filtered, and the filtrate was concentrated under reduced pressure to obtain a crude aldehyde as a pale yellow oil.
- Triethylamine (0.50 mL, 3.59 mmol) was added to a dichloromethane (10 mL) solution of the above crude aldehyde compound (2.5 g, 7.18 mmol), stirred at room temperature for 24 hours, and triethylamine (0.50 mL, 3.59 mmol) was added. The mixture was further stirred for 24 hours. Silica gel (100 g) was added to the reaction solution, and after stirring for 24 hours, the reaction solution was concentrated under reduced pressure and allowed to stand for 24 hours.
- the crystals collected by filtration were suspended in a mixed solution of ethanol (10 mL) and water (2 mL), and triethylamine (3 mL) was added thereto. The mixture was heated to reflux on a 90 ° C. oil bath for 5 hours. The reaction solution was concentrated under reduced pressure, dissolved in chloroform (100 mL), washed with a 10% aqueous citric acid solution (30 mL), and the obtained organic layer was dried over anhydrous sodium sulfate. After filtration, the filtrate was concentrated under reduced pressure, concentrated hydrochloric acid (5 mL) was added to the resulting yellow solid under ice-cooling, and the mixture was stirred for 30 minutes.
- IR (ATR) v cm “ 1 2978, 2937, 2875, 1718, 1614, 1572, 1522, 1462, 1 379, 1325, 1254, 1207.
- Methyl iodide (7151, 11.5 mmol) was added to the reaction mixture under ice cooling, and the mixture was stirred at room temperature for 17 hours.
- the layer was adjusted to pH 10 with a lOmolZl aqueous sodium hydroxide solution, then adjusted to pH 7.4, and extracted with chlorophonolem (100 mL X 3).
- the organic layer was dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure.
- the obtained residue was purified by recrystallization from ethanol, and dried under reduced pressure to give 89.Omg (64%) of the title compound as pale yellow crystals.
- IR (ATR) v cm _1 3319, 2976, 1684, 1522, 1417, 1363, 1243, 1160, 7 37, 692.
- IR (ATR) v cm _1 3365, 3217, 2956, 1678, 1520, 1365, 1244, 1167, 1 061, 906, 627.
- the obtained crystals were mixed with 90% ethanol (100 mL) and triethylamine (20 mL), and then heated to reflux for 3 hours. After cooling to room temperature, the reaction solution was concentrated under reduced pressure. The obtained residue was dissolved in chloroform (200 mL), and washed with a 10% aqueous solution of citric acid (100 mL) and saturated saline (50 mL). After drying over anhydrous sodium sulfate, the mixture was filtered and the filtrate was concentrated under reduced pressure. The obtained residue was dissolved in concentrated hydrochloric acid, and then washed with chloroform (50 mL). Water was added, and the precipitated crystals were collected by filtration. The obtained crystals were purified by recrystallization from ethanol to give 900 mg (50.3%) of the title compound as yellow crystals.
- the obtained crystals were mixed with 90% ethanol (100 mL) and triethylamine (20 mL), and then heated to reflux for 3 hours. After cooling to room temperature, the reaction solution was concentrated under reduced pressure. The obtained residue was dissolved in chloroform (300 mL), and washed with a 10% aqueous solution of citric acid (200 mL) and saturated saline (100 mL). After drying over anhydrous sodium sulfate, the mixture was filtered, and the filtrate was concentrated under reduced pressure. The obtained residue was dissolved in concentrated hydrochloric acid, diluted with water, and washed with black form (50 mL). After the reaction solution was concentrated under reduced pressure, the precipitated crystals were recrystallized and purified from ethanol and a small amount of water to obtain 1.40 g (57.5%) of the title compound as yellow crystals.
- IR (ATR) v cm _1 3217, 2993, 2808, 1701, 1620, 1523, 1458, 1360, 1
- the solution was added dropwise to a prepared solution of a magnesium salt in ethyl acetate (40 mL). After stirring at an external temperature of 50 ° C. for 16 hours, a 10% aqueous solution of citric acid was added under ice cooling, and the mixture was extracted with ethyl acetate (200 mL ⁇ 2). Saturated aqueous sodium bicarbonate After washing with the liquid (100 mL) and saturated saline (100 mL), the mixture was dried over anhydrous sodium sulfate.
- the aqueous layer was ice-cooled, and the aqueous solution of sodium hydroxide and sodium hydroxide was adjusted to pH 12.0, then adjusted to pH 7.4, and extracted with black-mouthed form (100 mL X 3). After the organic layer was dried over anhydrous sodium sulfate, the solvent was distilled off under reduced pressure. The obtained residue was purified by recrystallization from hot ethanol, and dried under reduced pressure to give 145 mg (50.1%) of the title compound as pale yellow crystals.
- reaction solution [this ethanol (20 mL) and water (5 mL) was added and dissolved, and triethylamine (5 mL) was added, and the mixture was heated under reflux on a 90 ° C oil bath for 3 hours.
- the reaction solution was concentrated under reduced pressure, dissolved in ethyl acetate (200 mL), and washed with a 10% aqueous solution of citric acid (50 mL), water (50 mL ⁇ 6) and saturated saline (50 mL), and the obtained organic layer was dried.
- Triethylamine was added to a dichloromethane (280 mL) solution of (3R, 4S & 3S, 4R) -3 hydroxy-14-isopropyl-12-oxo-1-[(1R) phenyl-pyrrolidine (14.lg, 57.Ommol). (17.5 mL, 125 mmol), and methanesulfonyl chloride (8.82 mL, 114 mmol) was added dropwise under ice cooling.
- the reaction system was concentrated under reduced pressure, and the residue was dissolved in chloroform (150 mL ⁇ 2) and washed with water (100 mL) and saturated saline (100 mL). After the organic layer was dried over anhydrous sodium sulfate, the solvent was distilled off under reduced pressure.
- the obtained residue was purified by silica gel column chromatography (form-form-methanol 19: 1) to give 6.90 g (97%) of the title compound as yellow crystals.
- the reaction solution was concentrated under reduced pressure, and a 9: 1 mixed solution of ethanol: water (55 mL) and triethylamine (3 mL) were added to the residue, and the mixture was heated under reflux for 2 hours.
- the reaction system was concentrated under reduced pressure, and the residue was dissolved in chloroform (150 mL ⁇ 2) and washed with water (100 mL) and saturated saline (100 mL). After the organic layer was dried over anhydrous sodium sulfate, the solvent was distilled off under reduced pressure.
- the obtained residue was purified by silica gel column chromatography (form: methanol 19: 1) to give 2.09 g (84%) of the title compound as yellow crystals.
- Antibacterial activity of the compound of the present invention is measured according to the standard method specified by the Japanese Society of Chemotherapy, and the results are shown in MIC gZmL) (Table 1). In the table, S. aureus 870307 and S. pneumonia J24 are quinolones.
- the compounds of the present invention have almost the same antibacterial activity as known quinolone synthetic antibacterial agents widely used against both Gram-positive bacteria and Gram-negative bacteria including resistant bacteria. showed that.
- a test substance was prepared by dissolving the compound of the present invention (Compound Nos. 1, 2 and 3) and Comparative Compounds A and B in 5% glucose, respectively.
- the dose was administered in the tank. For 30 minutes from the start of administration, the individual cages were observed for seizures and death. The administration was performed according to the method of Ueda et al. (Reference 1).
- Chromosome samples were prepared after treating Chinese hamster lung-derived cell lines (CHLZIU) in the logarithmic growth phase with a culture solution containing the test substance for 24 hours.
- a culture solution Eagle's MEM (Nissui Pharmaceutical) medium (15% FBS-MEM) containing 15% fetal bovine serum was used.
- Frequency of cells showing chromosome abnormalities involves correction of Yates;! C 2 - a test analyzes the difference between the negative control group and the test substance-treated group with a significance level of one side 5%, Do include GAP /, if (TA) is shown as a percentage (structural abnormality induction rate TA%). Table 5 shows the results.
- Reference 1 The Japan Society for Environmental Mutation, MMS Subcommittee, "Atlas of Chromosome Abnormality Due to Chemical Substances", Asakura Shoten, 1998.
- Comparative Compound E no significant increase in chromosomal abnormalities was observed up to 30 gZmL, but at 50 gZmL or more, a large number of mitosis and ski pair-like chromosomes presumably due to mitotic inhibition were observed and could be evaluated. Did not. Comparative conjugates C and D exhibited clastogenic effects at 30 / z gZmL or more. The comparative conjugate C was too strong to observe chromosomes due to cytotoxicity at 100 / z gZmL.
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US11/596,318 US7977327B2 (en) | 2004-05-13 | 2005-05-13 | Substituted pyrrolidine derivative |
JP2006513559A JP4820290B2 (ja) | 2004-05-13 | 2005-05-13 | 置換ピロリジン誘導体 |
EP05738631A EP1757598A4 (en) | 2004-05-13 | 2005-05-13 | SUBSTITUTED PYRROLIDINE DERIVATIVE |
US13/045,567 US8455482B2 (en) | 2004-05-13 | 2011-03-11 | Substituted pyrrolidine derivative |
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US7563805B2 (en) | 2005-05-19 | 2009-07-21 | Daiichi Pharmaceutical Co., Ltd. | Tri-, tetra-substituted-3-aminopyrrolidine derivative |
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IL90062A (en) * | 1988-04-27 | 1994-10-07 | Daiichi Seiyaku Co | History of pyridonecarboxylic acid, their preparation and pharmaceutical preparations containing them |
CN102821802B (zh) | 2010-02-05 | 2015-04-01 | 赛诺菲-安万特德国有限公司 | 具有双重针护罩的载药模块 |
EP2920172B1 (en) | 2012-11-16 | 2019-12-25 | Merck Sharp & Dohme Corp. | Purine inhibitors of human phosphatidylinositol 3-kinase delta |
CN113402531A (zh) * | 2021-06-10 | 2021-09-17 | 浙江师范大学 | 氟喹诺酮衍生物及作为抗菌性药物的应用 |
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2005
- 2005-05-13 US US11/596,318 patent/US7977327B2/en not_active Expired - Fee Related
- 2005-05-13 JP JP2006513559A patent/JP4820290B2/ja not_active Expired - Fee Related
- 2005-05-13 EP EP05738631A patent/EP1757598A4/en not_active Withdrawn
- 2005-05-13 WO PCT/JP2005/008750 patent/WO2005111015A1/ja not_active Application Discontinuation
-
2011
- 2011-03-11 US US13/045,567 patent/US8455482B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS62215572A (ja) * | 1986-03-17 | 1987-09-22 | Kyorin Pharmaceut Co Ltd | キノロンカルボン酸誘導体 |
JPH07300416A (ja) * | 1988-04-27 | 1995-11-14 | Dai Ichi Seiyaku Co Ltd | 抗菌性医薬 |
JPH0559052A (ja) * | 1990-08-09 | 1993-03-09 | Wakunaga Pharmaceut Co Ltd | 新規三環性化合物又はその塩及びこれを含有する抗菌剤 |
JPH05163244A (ja) * | 1991-05-28 | 1993-06-29 | Dai Ichi Seiyaku Co Ltd | ピリドンカルボン酸誘導体 |
JPH08259561A (ja) * | 1995-01-24 | 1996-10-08 | Hokuriku Seiyaku Co Ltd | キノリンカルボン酸誘導体 |
WO1998058923A1 (fr) * | 1997-06-24 | 1998-12-30 | Daiichi Pharmaceutical Co., Ltd. | Derives cis-substitues de fluoromethylpyrrolidine |
Non-Patent Citations (1)
Title |
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See also references of EP1757598A4 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7563805B2 (en) | 2005-05-19 | 2009-07-21 | Daiichi Pharmaceutical Co., Ltd. | Tri-, tetra-substituted-3-aminopyrrolidine derivative |
US8211910B2 (en) | 2005-05-19 | 2012-07-03 | Daiichi Pharmaceutical Co., Ltd. | Tri-, tetra-substituted-3-aminopyrrolidine derivative |
US8476429B2 (en) | 2005-05-19 | 2013-07-02 | Daiichi Sankyo Company, Limited | Tri-, tetra-substituted-3-aminopyrrolidine derivative |
Also Published As
Publication number | Publication date |
---|---|
EP1757598A1 (en) | 2007-02-28 |
EP1757598A4 (en) | 2010-07-21 |
JPWO2005111015A1 (ja) | 2008-03-21 |
US7977327B2 (en) | 2011-07-12 |
US20080045520A1 (en) | 2008-02-21 |
JP4820290B2 (ja) | 2011-11-24 |
US20110166131A1 (en) | 2011-07-07 |
US8455482B2 (en) | 2013-06-04 |
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