申请人:Tanabe Seiyaku Co., Ltd.
公开号:EP0081971A2
公开(公告)日:1983-06-22
A cephalosporin compound of the formula:
wherein R1 is a hydrogen atom, a lower alkyl group, a carboxy-(lower)alkyl group, a hydroxy(lower)alkyl group, a carbamoyl-(lower)alkyl group, an N-(lower)-alkyl-carbamoyl(lower)alkyl group, a cycloalkyl group, a carboxycycloalkyl group, or a tetrazolylmethyl group, R2 is a hydrogen atom, a lower alkyl group, a formyl group or a lower alkanol group, R3 is a hydrogen atom, or R2 and R3 are combined together to form an aralkylidene group, or a pharmaceutically acceptable salt thereof which is useful as an antimicrobial agent, and process for their preparation.
式中的头孢菌素化合物:
其中 R1 是氢原子、低级烷基、羧基(低级)烷基、羟基(低级)烷基、氨基甲酰基(低级)烷基、N-(低级)烷基-氨基甲酰基(低级)烷基、环烷基、羧基环烷基或四唑甲基;R2 是氢原子、低级烷基、甲酰基或低级烷醇基;R3 是氢原子,或 R2 和 R3 结合在一起形成芳基、R3是氢原子,或 R2 和 R3 结合在一起形成亚芳烷基,或其药学上可接受的盐,可用作抗菌剂,及其制备方法。