申请人:Taiho Pharmaceutical Co., Ltd.
公开号:US05475118A1
公开(公告)日:1995-12-12
Disclosed are a 1-phenylpyrrolidone derivative having optical activity and represented by the formula (I) ##STR1## wherein R represents an optionally substituted optically active .alpha.-phenylethylamino group, a 1-phenylpyrrolidone derivative represented by the formula (I-a) ##STR2## and processes for preparing the 1-phenylpyrrolidone derivatives represented by the formulas (I) and (I-a), respectively.
本发明涉及一种具有光学活性的1-苯基吡咯烷酮衍生物,其化学式为(I) ##STR1## 其中R表示可选取代的光学活性α-苯乙胺基团,一种化学式为(I-a) ##STR2## 的1-苯基吡咯烷酮衍生物,以及制备化学式(I)和(I-a)所表示的1-苯基吡咯烷酮衍生物的方法。