2-SUBSTITUTED METHYL PENAM DERIVATIVES

2-SUBSTITUTED METHYL PENAM DERIVATIVES

Novel 2-substituted methyl penam derivatives include the formula (I), their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their solvates, their pharmaceutically acceptable salts, and pharmaceutical compositions containing them; wherein A=C or N; Het is a three- to seven-mem...

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Hauptverfasser: SRIRAM RAJAGOPAL, UDAYAMPALAYAM PALANISAMY SENTHILKUMAR, VENKATASUBRAMANIAN HARIHARAN, DEVARAJAN SATHISHKUMAR, GNANAPRAKASAM ANDREW, GANAPATHY PANCHAPAKESAN, PAUL-SATYASEELA MANEESH, SOLANKI SHAKTI SINGH, MUKUT GOHAIN
Format: Patent
Sprache:eng ; slv
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Zusammenfassung:Novel 2-substituted methyl penam derivatives include the formula (I), their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their solvates, their pharmaceutically acceptable salts, and pharmaceutical compositions containing them; wherein A=C or N; Het is a three- to seven-membered heterocyclic ring; R1 represents carboxylate anion, or -COOR4 where R4 represents hydrogen, carboxylic acid protecting group or a pharmaceutically acceptable salt; R2 and R3 may be same or different and independently represent hydrogen, halogen, amino, alkyl, protected amino, optionally substituted alkyl, alkenyl, alkynyl and the like; R represents substituted or unsubstituted alkyl, alkenyl, aryl, aralkyl, cycloalkyl, heterocyclyl or heterocyclylalkyl.