2-Lower alkyl-7-substituted-2 or 3-cephem-4-carboxylic acid compounds, processes for their preparation and pharmaceutical compositions containing them
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0008442A2
公开(公告)日:1980-03-05
A compound of the formula:
wherein R1 is lower alkyl,
R2 is carboxy or a protected carboxy group,
R3 is amino or a protected amino group and
R4 is lower alkyl having halogen atom(s) or lower unsaturated aliphatic group,
and pharmaceutically acceptable salt thereof, and process for their preparation.
The invention also relates to the starting derivatives and their preparation and to a pharmaceutical composition comprising, as an effective ingredient, the above compound in association with a pharmaceutically acceptable, substantially non-toxic carrier or excipient, and to a method for treating an infectious disease caused by pathogenes, which comprises administering the above compound to infected human beings or animals.
式中的化合物:
其中 R1 是低级烷基
R2 是羧基或受保护的羧基
R3 是氨基或受保护的氨基,以及
R4 是含有卤素原子的低级烷基或低级不饱和脂肪族基团、
及其药学上可接受的盐,以及它们的制备工艺。
本发明还涉及起始衍生物及其制备方法,涉及一种药物组合物,其中作为有效成分,上述化合物与一种药学上可接受的、基本上无毒的载体或赋形剂结合在一起,还涉及一种治疗由病原体引起的传染病的方法,该方法包括将上述化合物施用给受感染的人或动物。