Thiazolidine-2,4-dione compound, method for production thereof, and medicine containing the compound for cure diabetic complications

摘要

A novel compound is proposed which is effective in curing various complications as with catarat, retinopathy, neurotic disorder, and renal disorder. The thiazolidine-2,4-dione compound represented by the following general formula I combines an action to inhibit aldose reductase and an action to depress blood sugar and manifests an efficacy in the cure of various complications as with catarat, retinopathy, neurotic diorder, and renal disorder. wherein R¹ is a hydrogen atom or a methyl group.