The invention provides an aldose reductase inhibitory pyrrole derivative of the formula:
in which Ra is an optionally substituted benzyl or cinnamyl radical, and ring A is the benzene ring of an optionally substituted benzo[b]thiophene, benzo[b]furan, quinoline or N-alkylquino- lone, together with pharmaceutically acceptable salts and non-toxic biodegradable precursors thereof.
The compounds of formula I are useful in the treatment or prophylaxis of the side-effects of diabetes or galactosemia.
本发明提供了一种醛糖还原酶抑制性
吡咯衍
生物,其式如下:
其中Ra为任选取代的苄基或肉桂基,环A为任选取代的苯并[b]
噻吩、苯并[b]
呋喃、
喹啉或N-烷基
喹啉的苯环,以及其药学上可接受的盐类和无毒可
生物降解的前体。
式 I 化合物可用于治疗或预防糖尿病或半
乳糖血症的副作用。