2-氯-4-氨基-6,7-二甲氧基喹唑啉 、 1-(1-氧代-2-丁烯基)-哌嗪 在
乙醇 作用下,
以
异戊醇 为溶剂,
反应 1.5h,
以to give 3.52 g of the desired hydrochloride hydrate of Compound No的产率得到4-Amino-2-(4-crotonoyl-1-piperazinyl)-6,7-dimethoxyquinazoline hydrochloride hydrate
参考文献:
名称:
4-Amino-6,7-dimethoxy-2-piperazinylquinazoline derivatives, their
4-Amino-6,7-dimethoxy-2-piperazinylquinazoline derivatives, their
申请人:Sankyo Company Limited
公开号:US04426382A1
公开(公告)日:1984-01-17
Novel piperazinylquinazoline and homopiperazinylquinazoline compounds which have useful antihypertensive activity and their use including pharmaceutical compositions containing said derivatives as the active antihypertensive component thereof. Said compounds have the following formula. ##STR1## wherein m is 2 or 3 and R is as defined in the specification.