申请人:TOYOOKA Naoki
公开号:US20100145052A1
公开(公告)日:2010-06-10
A fused tricyclic compound having aldose reductase inhibitory activity and shown by the following formula,
wherein R
1
represents 1 to 3 atoms or substituents selected from a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl, cycloalkyl, alkylene, or alkoxy group, and a protected or unprotected hydroxyl or carboxyl group, R
2
represents a protected or unprotected carboxyl group, R
3
represents 1 or 2 atoms or substituents selected from a hydrogen atom, a halogen atom, an oxo group, a substituted or unsubstituted alkyl or alkoxy group, and a protected or unprotected carboxyl group, A represents an alkylene group, and B represents an oxygen atom, a sulfur atom, or a group shown by the following formula,
wherein R
4
represents an alkyl or aryl group substituted by an aryl, cycloalkyl, or heterocyclic group, and X represents an oxygen atom or a sulfur atom, provided that, when B represents a group shown by the following formula:
wherein R
4
represents an alkyl or aryl group substituted with an aryl, cycloalkyl, or heterocyclic group, X represents a sulfur atom.
具有醛还原酶抑制活性的熔合三环化合物,其化学式如下:其中,R1代表1至3个原子或取代或未取代的烷基,环烷基,烷基,或烷氧基,以及受保护或未受保护的羟基或羧基中的一个或多个,或氢原子或卤素原子;R2代表受保护或未受保护的羧基;R3代表1或2个原子或取代或未取代的烷基,烷氧基,卤素原子,氧代基,或受保护或未受保护的羧基中的一个或多个,或氢原子;A代表烷基;B代表氧原子,硫原子,或由以下化学式表示的基团:其中,R4代表取代有芳基,环烷基,或杂环基团的烷基或芳基基团,X代表氧原子或硫原子,但当B代表由以下化学式表示的基团时:其中,R4代表取代有芳基,环烷基,或杂环基团的烷基或芳基基团,X代表硫原子。