PROCESS FOR THE PREPARATION OF 1,4-DIHYDROPYRIDINES AND NOVEL 1,4-DIHYDROPYRIDINES USEFUL AS THERAPEUTIC AGENTS

• Main Authors: BEDI, KASTURI, LAL, KHAJURIA, RAVI, KANT, DHAR, KANAYA, LAL, KAPOOR, VIJAY, KUMAR, MAHENDROO, NEERAJ
• Format: Patent
• Language: English; French
• Published: 04.12.2003
• Edition: 7
• Subjects: CHEMISTRY; HETEROCYCLIC COMPOUNDS; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC CHEMISTRY; SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS

The present invention provides a process for the preparation of 1,4-dihydropyridines of the formula (1), wherein R>1< IS H, NO>2<, CL, OAC, OH, R>2< IS H, NO>2<, CL, -O-CH>2<-O-, OMe, OAc, OEt, OH, R>3< IS H, NO>2<, CL, N(ME)>2<, -O- CH>2< -O-, O...