New cephem compounds, processes for preparation thereof and pharmaceutical composition containing them
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0057422A2
公开(公告)日:1982-08-11
A cephem compound of the formula:
wherein
R' is amino substituted thiazolyl which may have halogen(s),
protected amino substituted thiazolyl which may have halogen(s),
lower alkylamino substituted thiazolyl, amino substituted thiadiazolyl,
protected amino-substituted thiadiazolyl, amino substituted pyridyl,
protected amino substituted pyridyl, furyl, thiazolyl, thiadiazolyl, phenyl, or naphthyl,
R2 is carboxy(lower)alkyl or protected carboxy(lower)-alkyl,
R3 is lower alkylthio, and
R4 is carboxy or protected carboxy,
and pharmaceutically acceptable salts thereof, and processes for their preparation, and also a pharmaceutical composition comprising, as an active ingredient, the above compound or its pharmaceutically acceptable salt.
The invention also relates to intermediate compounds.
一种
化学式为
式中
R' 是
氨基取代的
噻唑基,其中可能含有卤素、
可能含有卤素的受保护
氨基取代的
噻唑基、
低级烷基
氨基取代的
噻唑基,
氨基取代的
噻二唑基、
受保护的
氨基取代的
噻二唑基、
氨基取代的
吡啶基、
被保护的
氨基取代的
吡啶基、
呋喃基、
噻唑基、
噻二唑基、苯基或
萘基、
R2 是羧基(低级)烷基或受保护的羧基(低级)烷基、
R3 是低级
硫代烷基,以及
R4 是羧基或受保护的羧基、
及其药学上可接受的盐,以及它们的制备工艺,还有包含上述化合物或其药学上可接受的盐作为活性成分的药物组合物。
本发明还涉及中间体化合物。