Novel 4-desoxy-thiazolo (5,4-c) rifamycin derivatives and a process for preparing them
申请人:GRUPPO LEPETIT S.P.A.
公开号:EP0005140A2
公开(公告)日:1979-11-14
Novel 4-desoxy-thiazolo[5,4-c]rifamycin derivatives of formula I
wherein R stands for a group -OR1, -NR2R3 or -NHCOR4 wherein R, represents alkyl, alkenyl, alkynyl, cycloalkyl, aryl or aralkyl, R2 and R3 are independently selected from hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl and aralkyl or R2 and R3 taken together with the adjacent nitrogen atom may represent a 5 to 7 membered heterocyclic ring and R. is a radical selected from the group consisting of alkyl, alkenyl, alkynyl, cycloalkyl, aryl and aralkyl; Rs is hydrogen or acetyl; and a process for preparing them.
The novel compounds have an antibacterial utility.
式 I 的新型 4-脱氧噻唑并[5,4-c]利福霉素衍生物
其中 R 代表基团 -OR1、-NR2R3 或 -NHCOR4 其中 R 代表烷基、烯基、炔基、环烷基、芳基或芳烷基,R2 和 R3 独立选自氢、烷基、烯基、炔基、环烷基、芳基和芳烷基,或 R2 和 R3 与相邻的氮原子一起可代表 5 至 7 个成员的杂环,R.是选自由烷基、烯基、炔基、环烷基、芳基和芳烷基组成的基团;Rs 是氢或乙酰基;以及制备它们的工艺。
这些新型化合物具有抗菌作用。