申请人:National University Corporation
University Of Toyama
公开号:EP2179999A1
公开(公告)日:2010-04-28
A fused tricyclic compound having aldose reductase inhibitory activity and shown by the following formula,
wherein R1 independently 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, R2 represents a protected or unprotected carboxyl group, R3 independently 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 R4 represents an alkyl or aryl group substituted with an aryl, cycloalkyl, or heterocyclic group, and X represents an oxygen atom or a sulfur atom.
一种具有醛糖还原酶抑制活性的融合
三环化合物,如下式所示、
其中 R1 独立地代表 1 至 3 个原子或取代基,它们选自氢原子、卤素原子、取代或未取代的烷基、环烷基、亚烷基或烷氧基,以及受保护或未受保护的羟基或羧基;R2 代表受保护或未受保护的羧基、A 代表亚烷基,B 代表氧原子、
硫原子或下式所示的基团、
其中 R4 代表被芳基、环烷基或杂环基取代的烷基或芳基,X 代表氧原子或
硫原子。