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.
本发明提供通式如下的化合物
其中 R 是氢原子或卤原子、羟基或低级烷基或低级烷氧基,R2 是氢原子或低级烷基或酰基,R3 是亚烷基或低级烯基,可选择被氰基、氨基或保护氨基取代,X 是 0、S、SO 或 SO2,其在羧基上的衍生物;及其药学上可接受的盐。
本发明还提供了制备这些化合物和含有这些化合物的药物组合物的工艺。