申请人:Sankyo Company, Limited
公开号:US05866564A1
公开(公告)日:1999-02-02
Compound of formula (I): ##STR1## wherein R.sup.1 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.2 -C.sub.6 alkynyl or --C(.dbd.NH)R.sup.0 where R.sup.0 is hydrogen or C.sub.1 -C.sub.6 alkyl; A is ##STR2## R.sup.2 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.2 -C.sub.6 alkynyl or --C(.dbd.NH)R.sup.6 where R.sup.6 is hydrogen, C.sub.1 -C.sub.6 alkyl or C.sub.3 -C.sub.7 cycloalkyl; R.sup.3 and R.sup.4 are independently hydrogen, C.sub.1 -C.sub.6 alkyl, halogen, hydroxy, carboxy, cyano, --CO.NR.sup.a R.sup.b, --OCO.NR.sup.a R.sup.b or --NR.sup.a R.sup.b, where R.sup.a and R.sup.b are independently hydrogen or C.sub.1 -C.sub.6 alkyl; R.sup.20", R.sup.21', and R.sup.22" are independently hydrogen or C.sub.1 -C.sub.6 alkyl or R.sup.20" and R.sup.21" or R.sup.20" and R.sup.22" together form a heterocyclic group; R.sup.23" and R.sup.24" are independently hydrogen, halogen or C.sub.1 -C.sub.6 alkyl; n is 1, 2 or 3; and n.sup.3" is 1, 2 or 3. The compounds are antibiotics which are resistant to dehydropeptidase I, and are useful for the treatment of microbial infections.
化合物的公式(I):##STR1## 其中R.sup.1是氢,C.sub.1-C.sub.6烷基,C.sub.2-C.sub.6烯基,C.sub.2-C.sub.6炔基或--C(.dbd.NH)R.sup.0,其中R.sup.0是氢或C.sub.1-C.sub.6烷基; A是##STR2## R.sup.2是氢,C.sub.1-C.sub.6烷基,C.sub.2-C.sub.6烯基,C.sub.2-C.sub.6炔基或--C(.dbd.NH)R.sup.6,其中R.sup.6是氢,C.sub.1-C.sub.6烷基或C.sub.3-C.sub.7环烷基; R.sup.3和R.sup.4独立地是氢,C.sub.1-C.sub.6烷基,卤素,羟基,羧基,氰基,--CO.NR.sup.aR.sup.b,--OCO.NR.sup.aR.sup.b或--NR.sup.aR.sup.b,其中R.sup.a和R.sup.b独立地是氢或C.sub.1-C.sub.6烷基; R.sup.20",R.sup.21'和R.sup.22"独立地是氢或C.sub.1-C.sub.6烷基,或R.sup.20"和R.sup.21"或R.sup.20"和R.sup.22"一起形成一个杂环基团; R.sup.23"和R.sup.24"独立地是氢,卤素或C.sub.1-C.sub.6烷基; n为1, 2或3; n.sup.3"为1, 2或3。这些化合物是对去氢肽酶I具有抗性的抗生素,可用于治疗微生物感染。