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.
本发明涉及具有以下通式的化合物:##STR1## 其中R.sup.1和R.sup.2各自为氢、卤素、低级烷氧基或卤代(低级)烷基,R.sup.3为二卤代苯基、萘基(低级)烷基、苯基(低级)烷基(其上有一个或两个由卤素、低级烷氧基、卤代(低级)烷基和低级烷基组成的基团取代)或噻吩基(低级)烷基,R.sup.4为羧基或保护的羧基,Y为羰基、硫羰基或磺酰基,Z为低级亚烷基,以及其药学上可接受的盐,用于治疗糖尿病并发症。