New cephem compounds, processes for their preparation, pharmaceutical compositions containing them and their starting compounds
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0062321A2
公开(公告)日:1982-10-13
Cephem compounds of the formula
wherein
R' is amino or a protected amino group;
R2 is lower aliphatic hydrocarbon group which may be substituted with suitable substituent(s), or cyclo (lower)alkenyl; and a group of the formula:
is a heterocyclic cation group containing more than one nitrogen atom which may be substituted with suitable substituent(s); and pharmaceutically acceptable salts thereof, and process for their preparation, and also a pharmaceutical composition comprising, as an effective ingrediant, the above compound in association with a pharmaceutically acceptable, substantially non-toxic carrier or excipient. The invention also relates to the starting compounds
and their preparation.
式中 R'为氨基或受保护的氨基;R2为可被适当取代基取代的低级脂族烃基或环(低级)烯基;以及式中基团为含有一个以上氮原子且可被适当取代基取代的杂环阳离子基团的 Cephem 化合物;及其药学上可接受的盐类和制备方法,以及包含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作为有效成分的药物组合物。 本发明还涉及起始化合物及其制备方法。