申请人:Kyorin Pharmaceutical Co., Ltd.
公开号:US05342850A1
公开(公告)日:1994-08-30
The present invention provides novel thiazolidine-2,4-dione derivatives possessing blood sugar-lowering action and aldose reductase-inhibitory action, their salts, their preparative processes and drugs containing them, and relates to thiazolidine-2,4-dione derivatives represented by a general formula (1) ##STR1## [wherein R.sup.1 and R.sup.2 denote identically or differently hydrogen atoms or lower alkyl groups, R.sup.3 denotes a phenyl group, naphthyl group, benzoyl group or 5-membered or 6-membered heteroring and its benzene-condensed ring, which may have one or more substituents, A denotes a carbonyl group, sulfonyl group or bonding hand, and B denotes a lower alkylene, lower alkenylene or bonding hand], or their salts, or thiazolidine-2,4-dione derivatives represented by a general formula (2) ##STR2## [wherein R.sup.4 denotes a hydrogen atom or lower alkyl group, and R.sup.1 and R.sup.3 are same as above ], or their salts.
本发明提供了具有降血糖作用和醛糖还原酶抑制作用的新型噻唑烷-2,4-二酮衍生物,其盐,其制备过程和含有它们的药物,并涉及由一般式(1)表示的噻唑烷-2,4-二酮衍生物##STR1## [其中R.sup.1和R.sup.2表示相同或不同的氢原子或较低的烷基,R.sup.3表示苯基,萘基,苯甲酰基或5-成员或6-成员杂环及其苯环,可能具有一个或多个取代基,A表示羰基,磺酰基或键合手,B表示较低的烷基,较低的烯基或键合手],或其盐,或由一般式(2)表示的噻唑烷-2,4-二酮衍生物##STR2## [其中R.sup.4表示氢原子或较低的烷基,R.sup.1和R.sup.3与上述相同],或其盐。