申请人:IMPERIAL CHEMICAL INDUSTRIES PLC
公开号:EP0101149A1
公开(公告)日:1984-02-22
The invention concerns novel trifluoromethyl derivatives of 1'-halogenobenzyl-spiro[imidazolidine-4,3'-indoline]-2,2',5-trione (I), their pharmaceutically acceptable salts, and non-toxic, biodegradable precursors thereof. The derivatives are potent inhibitors of the enzyme aldose reductase and are useful in treating or preventing certain complications of diabetes. The invention also provides pharmaceutical compositions and processes for the manufacture of the derivatives.
本发明涉及 1'-卤代苄基-螺[咪唑啉-4,3'-吲哚啉]-2,2',5-三酮 (I) 的新型三氟甲基衍生物、其药学上可接受的盐类及其无毒、可生物降解的前体。这些衍生物是醛糖还原酶的强效抑制剂,可用于治疗或预防糖尿病的某些并发症。本发明还提供了药物组合物和衍生物的生产工艺。