Cephalosporins, process for their preparation and pharmaceutical compositions containing them
申请人:Takeda Chemical Industries, Ltd.
公开号:EP0229369A2
公开(公告)日:1987-07-22
A compound of the general formula:
wherein R° is hydrogen, a nitrogen-containing heterocyclic group, an acyl group or an amino-protective group; Z is S, S→O,O or CH2; R4 is hydrogen, a methoxy or formamido; R" is hydrogen, methyl, hydroxyl or halogen; and A is an optionally substituted condensed cyclic cationic group consisting of the same or different two 5- or 6-membered nitrogen-containing heterocyclic rings sharing a C-N bond with each other, , or a salt or ester thereof.
, and a process for preparing the same and a pharmaceutical composition thereof are disclosed.
本发明公开了一种通式如下的化合物:其中 R°是氢、含氮杂环基团、酰基或氨基保护基团;Z 是 S、S→O、O 或 CH2;R4 是氢、甲氧基或甲酰胺基;R "是氢、甲基、羟基或卤素;A 是由相同或不同的两个 5 元或 6 元含氮杂环彼此共用一个 C-N 键组成的任选取代的缩合环阳离子基团、Ⅳ或其盐或酯、Ⅳ及其制备方法和药物组合物。