申请人:Meiji Seika Kaisha, Ltd.
公开号:US04785090A1
公开(公告)日:1988-11-15
This is a class of antibacterial compounds of the formula: ##STR1## wherein Y is straight or branched alkyl or alkenyl chain, cycloalkanomethyl of 3-6 carbon atoms, each group being optionally substituted by halogen, or a group ##STR2## wherein n is 0 or an integer of 1-3, A is a group --COR.sup.3 wherein R.sup.3 is hydroxy, a group ##STR3## wherein R.sup.4 and R.sup.5, which may be the same or different, are hydrogen or alkyl of 1-5 carbon atoms, a group ##STR4## or a 5- or 6-membered heterocyclic group containing nitrogen and/or sulfur, and R.sup.1 and R.sup.2, which may be the same or different, are hydrogen, alkyl of 1-5 carbon atoms, or R.sup.1 and R.sup.2 may be combined together to form cycloalkylidene of 3-5 carbon atoms, and Z is a group of the formula: ##STR5## wherein m is 0 or an integer of 3-5, R.sup.6 is hydrogen or alkyl of 1-3 carbon atoms, and R.sup.7, when m is an integer of 3-5, is alkyl of 1-5 carbon atoms, alkenyl, cyclopropyl, a group --(CH.sub.2).sub.p B wherein p is 0 or an integer of 1-3 and B is amino, alkyl-substituted amino, hydroxy, carboxy, carbamoyl, trifluoromethyl, sulfonic acid, sulfonic acid amide, alkylthio or cyano or, when m is 0, is alkyl of 1-5 carbon atoms, which may optionally be substituted by halogen, alkenyl, a group ##STR6## wherein R.sup.8 is hydrogen, alkyl of 1-4 carbon atoms or phenyl, or cyclopropyl, and a salt thereof.
这是一类抗菌化合物,其化学式为:##STR1## 其中Y是直链或支链烷基或烯基链,3-6个碳原子的环烷甲基,每个基团可以选择由卤素取代,或者是一个基团##STR2## 其中n为0或1-3的整数,A是一个--COR.sup.3基团,其中R.sup.3是羟基,一个基团##STR3## 其中R.sup.4和R.sup.5可以相同或不同,是氢或1-5个碳原子的烷基,一个基团##STR4## 或者是一个含氮和/或硫的5-或6-元杂环基团,R.sup.1和R.sup.2可以相同或不同,是氢,1-5个碳原子的烷基,或者R.sup.1和R.sup.2可以结合形成3-5个碳原子的环烷基亚甲基,Z是一个公式为##STR5## 其中m为0或3-5的整数,R.sup.6是氢或1-3个碳原子的烷基,当m为3-5的整数时,R.sup.7是1-5个碳原子的烷基,烯基,环丙基,一个--(CH.sub.2).sub.p B基团,其中p为0或1-3的整数,B是氨基,烷基取代的氨基,羟基,羧基,氨基甲酰基,三氟甲基,磺酸,磺酸酰胺,烷基硫醇或腈基,或者当m为0时,是1-5个碳原子的烷基,可以选择由卤素取代,烯基,一个基团##STR6## 其中R.sup.8是氢,1-4个碳原子的烷基或苯基,或者是环丙基,以及其盐。