The invention provides novel spiro[oxazolidine-5,3'-in- dolinel-2,2',4-triones of formula I bearing substituted benzyl or cinnamyl on the indoline nitrogen, together with salts and non-toxic, biodegradable precursors thereof. The compounds are potent inhibitors of the enzyme aldose reductase and are useful in treating or preventing certain diabetic complications. The invention also provides pharmaceutical compositions containing, and processes for the manufacture of, the compounds of formula I and their salts and derivatives.
本发明提供了新型螺[
噁唑烷-5,3'-in-dolinel-2,2',4-三酮]式 I,其
吲哚啉氮上含有取代的苄基或肉桂基,以及其盐和无毒、可
生物降解的前体。这些化合物是醛糖还原酶的强效
抑制剂,可用于治疗或预防某些糖尿病并发症。本发明还提供了含有式 I 化合物及其盐类和衍
生物的药物组合物和生产工艺。