New cephem compounds, processes for their preparation, pharmaceutical compositions containing them and intermediate products for their preparation
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0074653A2
公开(公告)日:1983-03-23
New cephem cumpounds of the formula:
wherein
R' is ammo or a protected amino group.
R2 is lower aliphatic hydrocarbon group which may be substituted with suitable substituent(s), cylclopower)lalkyl or cyclo(lower)alkenyl;
R3 defines certain subsituents,
R4 is hydrogen or lower alkyl, and pharmaceutically acceptable salts thereof, processes for their preparation, and a pharmaceutrcal antibacterial composition comprising the above compound in associationwith a pharmaceutically acceptable substantially carrier or excipient.The Invention refers also to compounds of the formula
式中的新头孢化合物:
式中
R' 是氨基或受保护的氨基。
R2 是可被适当取代基取代的低级脂肪烃基、环烷基或环(低级)烯基;
R3 定义某些亚基、
R4 是氢或低级烷基,及其药学上可接受的盐、制备工艺,以及由上述化合物与药学上可接受的基本载体或赋形剂组成的药用抗菌组合物。