申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0033965A2
公开(公告)日:1981-08-19
Cephem compounds of the formula:
wherein
R is amino a substituted amino group;
R2 is carboxy or a protected carboxy group;
R3 is a tetrazolyl group having a lower alkynyl group; and
X is -S- or
and pharmaceutically acceptable salts thereof, and process for their preparation, and also a pharmaceutical composition comprising, as an effective ingredient, the above compound in association with a pharmaceutically acceptable, substantially nontoxic carrier or excipient. The invention also relates to the starting compounds
and their preparation.
式中的 Cephem 化合物:
式中
R 是氨基或取代氨基
R2 是羧基或受保护的羧基
R3 是具有低级炔基的四唑基;以及
X是-S-或
及其药学上可接受的盐,以及它们的制备工艺,还有一种药物组合物,其中作为有效成分,上述化合物与药学上可接受的、基本上无毒的载体或赋形剂结合在一起。本发明还涉及起始化合物
及其制备方法。