[EN] PREPARATION OF QUINAPRIL HYDROCHLORIDE<br/>[FR] PREPARATION D'HYDROCHLORURE DE QUINAPRIL
申请人:WARNER LAMBERT CO
公开号:WO2004087671A1
公开(公告)日:2004-10-14
Methods and materials for preparing quinapril, its pharmaceutically acceptable salts, including quinapril hydrochloride, are disclosed. The method includes reacting (2S,4S)-2-(4-methyl-2,5-dioxo-oxazolidin-3-yl)-4-phenyl-butyric acid ethyl ester with (3S)-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid tert-butyl ester toyield quinapril tert-butyl ester, which is subsequently reacted with an acid to yield quinapril or an acid addition salt of quinapril.
本发明公开了制备奎那普利及其药学上可接受的盐,包括奎那普利盐酸盐的方法和材料。该方法包括将(2S,4S)-2-(4-甲基-2,5-二氧杂环戊烷-3-基)-4-苯基-丁酸乙酯与(3S)-1,2,3,4-四氢异喹啉-3-羧酸叔丁酯反应,得到奎那普利叔丁酯,随后与酸反应,得到奎那普利或奎那普利的酸加成盐。