申请人:Eisai Co., Ltd.
公开号:US04748171A1
公开(公告)日:1988-05-31
Described herein is a cephem derivative represented by the general formula: ##STR1## wherein n stands for 1 or 2, Y stands for CH or nitrogen atoms, R.sub.1 represents a lower hydrocarbon group or a carboxyl-substituted, a carbamoyl-substituted, or a cyclopropyl-substituted lower alkyl group, and R.sub.2 denotes hydroxyl group, a lower alkyl group, a hydroxy-substituted lower alkyl group, or carbamoyl group. The derivative is useful as an antibacterial agent. Also described herein are processes for the production of the derivative, antibacterial composition, intermediate of the derivative and process for the production thereof.
本文描述了一种由一般公式表示的头孢菌素衍生物:##STR1## 其中n表示1或2,Y表示CH或氮原子,R.sub.1代表较低的烃基或羧基取代、氨基甲酰基取代或环丙基取代的较低烷基,R.sub.2表示羟基、较低烷基、羟基取代的较低烷基或氨基甲酰基。该衍生物可用作抗菌剂。本文还描述了该衍生物的生产过程、抗菌组合物、衍生物的中间体以及其生产过程。