Caprazene-1"'-ester derivatives of the formula (III)
wherein Me is methyl group, R2 is a straight chain or a substantially straight chain alkyl group of 5-21 carbon atoms or a straight chain or a substantially straight chain alkenyl group of 5-21 carbon atoms or an alkynyl group of 5-21 carbon atoms and A is hydrogen atom or an amino-protecting group which is an alkoxycarbonyl group or an aralkyloxycarbonyl group, or a pharmaceutically acceptable acid addition salt thereof.
The novel caprazene derivatives exhibit excellent antibacterial activities against a variety of bacteria including acid-fast bacteria.
式(III)的
己二烯-1"'-酯衍
生物
其中 Me 为甲基,R2 为 5-21 个碳原子的直链或大体直链烷基,或 5-21 个碳原子的直链或大体直链烯基,或 5-21 个碳原子的炔基,A 为氢原子或
氨基保护基(烷氧基羰基或芳氧基羰基),或其药学上可接受的酸加成盐。
新型己二氮腙衍
生物对包括耐酸细菌在内的多种细菌具有优异的抗菌活性。