[EN] METHOD FOR PREPARING AMLODIPINE<br/>[FR] PROCEDE SERVANT A PREPARER AMLODIPINE
申请人:HANMI PHARM IND CO LTD
公开号:WO2002072552A1
公开(公告)日:2002-09-19
Amlodipine is prepared in a high yield by subjecting a pyrrole derivative, methyl aminocrotonate and 2-chlorobenzaldehyde to a Hantzsch reaction, and converting the pyrrole residue of the resulting 1,4-dihydropyridine derivative to an amine group by the action of hydroxylamine hydrochloride.
Method for preparing amlodipine
申请人:——
公开号:US20020132834A1
公开(公告)日:2002-09-19
Amlodipine is prepared in a high yield by subjecting a pyrrole derivative, methyl aminocrotonate and 2-chlorobenzaldehyde to a Hantzsch reaction, and converting the pyrrole residue of the resulting 1,4-dihydropyridine derivative to an amine group by the action of hydroxylamine hydrochloride.