Disclosed are 1-, 6- and 2-substituted-1-carba -2-penem-3-carboxylic acids of the following structure:
wherein R1, R2, R3 and R4 are, inter alia, independently selected from the group consisting of hydrogen, alkyl, aryl, and aralkyl. Such compounds as well as their pharmaceutically acceptable salt, ester and amide derivatives are useful as antibiotics. Also disclosed are processes for the preparation of such compounds and pharmaceutical compositions comprising such compounds.
本发明公开了具有以下结构的 1-、6-和 2-取代-1-咔巴-2-烯-3-
羧酸:
其中 R1、R2、R3 和 R4 除其他外独立地选自氢、烷基、芳基和芳烷基组成的组。此类化合物及其药学上可接受的盐、酯和酰胺衍
生物可用作抗生素。此外,还公开了制备此类化合物和包含此类化合物的药物组合物的工艺。