Novel phenyl or phenoxy substituted spiro-imidazolidinedione derivatives of the formula
wherein X is O, S, SO or SO2 Y is H, CH3, CH30, Ph, PhO, F, Cl or Br at the 6 or 8 position and Ar is Ph or OPh at the 6 or 8 position, are useful as aldose reductase inhibitors and as therapeutic agents for the treatment of chronic diabetic complications. The derivatives include the phenyl or phenoxy substituted spiro-imidazolidene naphthalene, chroman, thiochroman sulfoxychroman, sulfonochroman dione compounds and the substituted forms thereof. A process for their preparation and pharmaceutical composition are also claimed.
式中的新型苯基或苯氧基取代的螺
咪唑烷二酮衍
生物
其中 X 是 O、S、SO 或 SO2 Y 是 6 或 8 位上的 H、
CH3、 0、Ph、PhO、F、Cl 或 Br,Ar 是 6 或 8 位上的 Ph 或 OPh,可用作醛糖还原酶
抑制剂和治疗慢性糖尿病并发症的治疗剂。这些衍
生物包括苯基或苯氧基取代的螺
咪唑烷
萘、
铬烷、
硫代
铬烷磺氧
铬烷、磺酰
铬烷二酮化合物及其取代形式。本发明还要求一种制备方法和药物组合物。