申请人:Nisshin Flour Milling Co., Ltd.
公开号:US05140041A1
公开(公告)日:1992-08-18
1-Phenoxycarbonyl-2-pyrrolidinone derivatives of formula (I) or (I') are disclosed. ##STR1## wherein R is a C.sub.1 -C.sub.6 alkyl group, a C.sub.1 -C.sub.6 alkoxy group, a nitro group or a halogen atom and n is 1 or 2, and R' is the same as R, but including further a hydrogen atom. The compounds of formula (I') are useful as nootropic agents.
揭示了式(I)或(I')的1-苯氧羰基-2-吡咯烷酮衍生物。其中R是C.sub.1-C.sub.6烷基、C.sub.1-C.sub.6烷氧基、硝基或卤素原子,n为1或2,R'与R相同,但还包括一个氢原子。式(I')的化合物作为智力增强剂是有用的。