[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Majumdar et al., 2003 - Google Patents

Synthesis of Pyrimidine Annelated Heterocycles [1]. Regioselective Heterocyclization of 6-Cyclopent-2-enyl-5-hydroxy-1, 3-dimethyl-pyrimidine-2, 4 (1H, 3H)-dione …

Majumdar et al., 2003

Document ID
6695245390244591890
Author
Majumdar K
Kundu U
Samanta S
Jana N
Publication year
Publication venue
Monatshefte für Chemie/Chemical Monthly

External Links

Snippet

Two hitherto unreported pyrimidine annelated heterocycles were synthesized from 6- cyclopent-2-enyl-5-hydroxy-1, 3-dimethylpyrimidine-2, 4 (1H, 3H)-dione and 5-cyclopent-2- enyl-6-hydroxy-1, 3-dimethylpyrimidine-2, 4 (1H, 3H)-dione by reaction with pyridine …
Continue reading at link.springer.com (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
    • C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
    • C07D513/06—Peri-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00
    • C07D487/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00 in which the condensed system contains three hetero rings
    • C07D487/14—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/12—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains three hetero rings
    • C07D491/14—Ortho-condensed systems
    • C07D491/147—Ortho-condensed systems the condensed system containing one ring with oxygen as ring hetero atom and two rings with nitrogen as ring hetero atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic 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
    • C07D471/02—Heterocyclic 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
    • C07D471/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic 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
    • C07D471/12—Heterocyclic 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 three hetero rings
    • C07D471/14—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
    • C07D513/12—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains three hetero rings
    • C07D513/14—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic 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
    • C07D471/02—Heterocyclic 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
    • C07D471/06—Peri-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
    • C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
    • C07D513/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00
    • C07D487/22—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00 in which the condensed system contains four or more hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/12—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 3 and unsubstituted in position 7
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D497/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having oxygen and sulfur atoms as the only ring hetero atoms
    • 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
    • C07D498/04—Ortho-condensed systems

Similar Documents

Publication Publication Date Title
Banwell et al. Total synthesis of (±)-rhazinal, an alkaloidal spindle toxin from Kopsia teoi
Desplat et al. Synthesis and evaluation of the antiproliferative activity of novel isoindolo [2, 1-a] quinoxaline and indolo [1, 2-a] quinoxaline derivatives
Sharapov et al. Mechanochemical synthesis of coumarins via Pechmann condensation under solvent-free conditions: An easy access to coumarins and annulated pyrano [2, 3-f] and [3, 2-f] indoles
Nadkarni et al. Total synthesis of zyzzyanones A–D
Parveen et al. [Et 3 NH][HSO 4]-mediated functionalization of hippuric acid: an unprecedented approach to 4-arylidene-2-phenyl-5 (4 H)-oxazolones
Guranova et al. Facile access to 3-unsubstituted tetrahydroisoquinolonic acids via the Castagnoli–Cushman reaction
Zaytsev et al. An intramolecular diels–alder furan (IMDAF) approach towards the synthesis of isoindolo [2, 1-a] quinazolines and isoindolo [1, 2-b] quinazolines
Jiang et al. One-pot base-mediated synthesis of functionalized aza-fused polycyclic quinoline derivatives
Avula et al. One-pot two-component tandem multiple transformations in the synthesis of N, 4-diaryl-2, 3-dihydropyrrolo [3, 4-c] quinolin-1, 3-diones and their 3-thioxo-analogues under neat conditions
Majumdar et al. Synthesis of Pyrimidine Annelated Heterocycles [1]. Regioselective Heterocyclization of 6-Cyclopent-2-enyl-5-hydroxy-1, 3-dimethyl-pyrimidine-2, 4 (1H, 3H)-dione and 5-Cyclopent-2-enyl-6-hydroxy-1, 3-dimethylpyrimidine-2, 4 (1H, 3H)-dione
Duan et al. Convenient one-pot three-component synthesis of trifluoromethylated tetrahydrobenzo [g] chromene derivatives
Shirokova et al. 1, 5-Hydride-Shift-Triggered Cyclization for the Synthesis of Unsymmetric Julolidines
Stepanova et al. Diversity-oriented Synthesis via Catalyst-free Addition of Ketones to [e]-Fused 1H-Pyrrole-2, 3-diones
Wang et al. A four-component domino reaction for the synthesis of novel bridgehead nitrogen-containing pyrido [1, 2-d][1, 4] diazepines
Fodor et al. Novel indole syntheses by ring transformation of β-lactam-condensed 1, 3-benzothiazines into indolo [2, 3-b][1, 4] benzothiazepines and indolo [3, 2-c] isoquinolines
Tietze et al. Synthesis of indolizinoquinolinones through three-and four-component domino Knoevenagel/hetero-Diels–Alder reactions: novel access to (+)-camptothecin
WO2020202180A1 (en) Indole-ynone mediated benzoannulation process for the preparation of carbazoles- carbazomycin a, calothrixin b and staurosporinone
Bahajaj et al. Stereoselectivity of cyclisations via N-acyliminium ions to form pyrido [2′, 3′: 3, 4] pyrrolo [2, 1-a] isoindole,-isoquinoline and-benz [c] azepine ring systems
Testard et al. Microwave-assisted synthesis of novel thiazolocarbazoles and evaluation as potential anticancer agents. Part III
Maekawa et al. meta-Substituent Effects on the Photocyclization of Aryl-substituted N-Acyl-α-dehydroalanine Derivatives
Prasad et al. Microwave-assisted synthesis of novel 5-substituted-2, 3-dihydroimidazo [1, 2-c] thieno [3, 2-e] pyrimidines
Szewczyk et al. Transition-Metal-Promoted Oxidative Cyclization To Give 1, 2, 4-Trisubstituted Carbazole Scaffolds
Hassaneen et al. Polyfunctional fused heterocyclic compounds via indene‐1, 3‐diones
Askri et al. Spiroheterocycles from the Reaction of Aryinitrile Oxides with Some (Z)-3-Arylidene-2 (3H)-benzofuranones. New Access to Orthohydroxyphenylisoxazoline Esters
AU768525B2 (en) Anti-inflammatory oxo derivatives and hydroxy derivatives of pyrrolizines, and their pharmaceutical use