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.
这项发明涉及1'-卤代苯基-螺[
咪唑啉-4,3'-
吲哚]-2,2',5-三酮(I)的新型三
氟甲基衍
生物,它们的药用盐以及其非毒性、可
生物降解的前体物质。这些衍
生物是醛糖还原酶酶的强效
抑制剂,可用于治疗或预防糖尿病的某些并发症。该发明还提供了制备这些衍
生物的药物组合物和工艺。