申请人:Shionogi & Co., Ltd.
公开号:US04552695A1
公开(公告)日:1985-11-12
New route to diltiazem hydrochloride of the formula: ##STR1## in which the starting cinnamyl alcohols are epoxidized by a special asymmetric synthesis followed by a series of stereospecific reactions; no optical resolution is required at any stage.
公式为:##STR1## 的地尔地平盐酸盐的新合成路线:起始的肉桂醇经过特殊的不对称合成进行环氧化,然后经过一系列立体特异性反应;在任何阶段都不需要进行光学分辨。