申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04734419A1
公开(公告)日:1988-03-29
The invention relates to compounds 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 dihalophenyl, naphthyl(lower)alkyl, phenyl(lower)alkyl substituted by one or two substituent(s) selected from the group consisting of halogen, lower alkoxy, halo(lower)alkyl and lower alkyl, or thienyl(lower)alkyl, R.sup.4 is carboxy or protected carboxy, Y is carbonyl, thiocarbonyl or sulfonyl and Z is lower alkylene, and pharmaceutically acceptable salts thereof, useful in the treatment of diabetic complications.
本发明涉及以下式的化合物:##STR1## 其中R.sup.1和R.sup.2分别是氢,卤素,较低的烷氧基或卤代(较低)烷基,R.sup.3是二卤苯基,萘基(较低)烷基,苯基(较低)烷基,其中一个或两个取代基选自卤素,较低的烷氧基,卤代(较低)烷基和较低烷基,或噻吩基(较低)烷基,R.sup.4是羧基或保护羧基,Y是羰基,硫代羰基或磺酰基,Z是较低的烷基,并且其药学上可接受的盐,用于治疗糖尿病并发症。