申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0045937A2
公开(公告)日:1982-02-17
A cephem compound of the formula:
wherein
R1 is amino or a protected amino group;
R2 is lower alkenyl which may have a carboxy or a protected carboxy group, lower alkynyl, cycloalkyl, ar(lower)alkyl which may have suitable substituent(s) or lower alkylthio(lower)alkyl; and
R3 is hydrogen, carbamoyl or hydroxy(lower)alkyl
and pharmaceutically acceptable salts thereof, and processes for their preparation and also a pharmaceutically composition comprising, as an effective ingredient, the above compound in association with pharmaceutically acceptable carriers.
一种化学式为
式中
R1 是氨基或受保护的氨基;
R2 是低级烯基(可带有一个羧基或一个受保护的羧基)、低级炔基、环烷基、可带有适当取代基的芳基(低级)烷基或低级烷硫基(低级)烷基;以及
R3 是氢、氨基甲酰基或羟基(低级)烷基
及其药学上可接受的盐,以及它们的制备工艺和一种药用组合物,其中作为有效成分,上述化合物与药学上可接受的载体结合在一起。