Hydantoin derivatives for treating complications of diabetes

摘要: Hydantoin derivatives and salts thereof, intermediates therefor, process for the preparation medicines containing derivative, wherein said have formula one of V W is hydrogen other a halogenomethyl group, 1 H-tetrazol-5-yl radical, -COOR in which R atom, an alkyl -(CH2CH2O)nCH3 group (n integer to 113) or substituted phenyl, R1 R2 are same different independently, each phenyl has meaning as referred to) may form heterocyclic ring together with nitogen oxygen -CH2OR3 R3 Ra independently atom X sulfur Y Z halogen alkoxy alkylmercapto nitro radical -NHR5 R5 acyl group. The thereof useful treatment complications diabetes.