Phenylalkanoic acid derivatives, processes for the preparation thereof and pharmaceutical compositions containing them
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0033614A1
公开(公告)日:1981-08-12
The present invention provides compounds of the general formula:-
wherein R is a hydrogen or halogen atom, a hydroxyl group or a lower alkyl or lower alkoxy radical, R2 is a hydrogen atom or a lower alkyl or acyl radical, R3 is an alkylene or lower alkenylene radical, optionally substituted by cyano, amino or protected amino group, and X is 0, S, SO or SO2, the derivatives thereof on the carboxyl group; and the pharmaceutically acceptable salts thereof.
The present invention also provides processes for preparing these compounds and pharmaceutical compositions containing them.