Benzolactam compounds and pharmaceutical uses thereof
申请人:Yoshitomi Pharmaceutical Industries, Ltd.
公开号:EP0322779A2
公开(公告)日:1989-07-05
Benzolactam compounds of the general formula
or isomers thereof as well as salts thereof inclusive of hydrates and/or solvates forms thereof, and benzolactam compounds of the general formula
wherein each of the symbols is as defined in the specification.
The compound (I) exhibit antiamnesic activity, and are useful as brain function-improving drugs. The compounds (a) and (b) are useful as an intermediate for said compounds (I).