申请人:Ono Pharmaceutical Co., Ltd.
公开号:US04464382A1
公开(公告)日:1984-08-07
The rhodanine derivatives of the general formula: ##STR1## wherein (I) R.sup.1 and R.sup.2 are taken together to represent a tetramethylene or pentamethylene group; (II) R.sup.1 represents a hydrogen atom, and R.sup.2 represents (1) a cycloalkyl or cycloalkenyl group of 4-7 carbon atoms which is unsubstituted or substituted by at least one alkyl group of 1-4 carbon atoms, (2) an anthryl or naphthyl group, (3) a phenyl group which is unsubstituted or substituted, (4) a heterocyclic group containing at least one of nitrogen, oxygen and sulfur atoms which is unsubstituted or substituted (5) a ##STR2## group (wherein R.sup.4 represents a hydrogen atom, a halogen atom, phenyl group or an alkyl group of 1-5 carbon atoms; and R.sup.5 represents a hydrogen atom, a phenyl group or an alkyl group of 1-5 carbon atoms) or ##STR3## group; or (III) R.sup.1 and R.sup.2, which may be the same or different with each other, each represents a phenyl group which is unsubstituted or substituted; and R.sup.3 represents a hydrogen atom, an alkyl group of 1-12 carbon atoms, an aralkyl group of 7-13 carbon atoms, a cycloalkyl or cycloalkenyl group of 4-7 carbon atoms which is unsubstituted or substituted by at least one alkyl group of 1-4 carbon atoms, or a phenyl group which is unsubstituted or substituted, possess a strong inhibitory activity on aldose reductase.
通式为:##STR1## 的罗丹明衍生物,其中(I) R.sup.1 和 R.sup.2 结合在一起表示四亚甲基或五亚甲基基团;(II) R.sup.1 表示氢原子,R.sup.2 表示(1)未取代或取代至少一个1-4碳原子的烷基基团的4-7碳原子的环烷基或环烯基基团,(2) 蒽基或萘基,(3) 未取代或取代的苯基,(4) 包含至少一个氮、氧和硫原子的杂环基团,未取代或取代,(5) ##STR2## 基团(其中 R.sup.4 表示氢原子、卤素原子、苯基或1-5碳原子的烷基基团;R.sup.5 表示氢原子、苯基或1-5碳原子的烷基基团)或 ##STR3## 基团;或(III) R.sup.1 和 R.sup.2,它们可以相同也可以不同,分别表示未取代或取代的苯基;R.sup.3 表示氢原子、1-12碳原子的烷基基团、7-13碳原子的芳基烷基团、未取代或取代至少一个1-4碳原子的烷基基团的4-7碳原子的环烷基或环烯基基团,或未取代或取代的苯基,具有强烈的醛糖还原酶抑制活性。