申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04883800A1
公开(公告)日:1989-11-28
The invention relates to compounds having aldose reductase-inhibitory activity of the formula: ##STR1## in which R.sup.1 and R.sup.2 are each hydrogen, halogen, lower alkoxy or halo(lower)alkyl, R.sup.3 is phenyl(lower)alkyl which may have one or more substituent(s) selected from the group consisting of halogen, lower alkoxy, halo(lower)alkyl and lower alkyl, R.sup.4 is carboxy or protected carboxy, A is sulfur atom, Y is carbonyl, thiocarbonyl or sulfonyl and Z is lower alkylene, and pharmaceutically acceptable salts thereof, useful in treating diabetic complications.
该发明涉及具有醛糖还原酶抑制活性的化合物的公式:##STR1## 其中R.sup.1和R.sup.2分别为氢,卤素,较低的烷氧基或卤代(较低)烷基,R.sup.3为苯(较低)烷基,可具有来自卤素,较低的烷氧基,卤代(较低)烷基和较低的烷基的一个或多个取代基,R.sup.4为羧基或保护羧基,A为硫原子,Y为羰基,硫代羰基或磺酰基,Z为较低的烷基,以及其药学上可接受的盐,用于治疗糖尿病并发症。