| 摘要 |
The present invention relates to N-acylpyrrolidine derivatives of the general formula (I): <IMAGE> (I) wherein R1 is a hydrogen atom, a C1-4 alkyl group or the phenyl group, with the proviso that when R1 is a hydrogen atom, R2 is phenoxy group, benzoyl, the phenyl group, or a phenyl group which is mono-substituted by a halogen atom or a C1-4 alkoxy group, and that when R1 is a C1-4 alkyl group or the phenyl group, R2 is an aralkyl group of 7 to 10 carbon atoms, a C1-4 alkyl group, the phenyl group or a phenyl group mono-substituted by a halogen atom or a C1-4 alkoxy group; or R1 and R2 together form an unsubstituted benzylidene group or a benzylidene group which may be mono-substituted by a C1-4 alkoxy group; wherein n is an integer of 0 to 5; and pharmaceutical compositions thereof which are useful as anti-amnesic agents.
|
