申请人:Kyorin Pharameuticals Co., Ltd.
公开号:US06001862A1
公开(公告)日:1999-12-14
The present invention provides novel N-benzyldioxothiazolidylbenzamide derivatives that improve the insulin resistance and have potent hypoglycemic and lipid-lowering effects and processes for preparing the same, and relates to N-benzyldioxothiazolidylbenzamide derivatives characterized by being represented by a general formula (1) ##STR1## [wherein R.sup.1 and R.sup.2 denote identically or differently hydrogen atoms, lower alkyl groups with carbon atoms of 1 to 4, lower alkoxy groups with carbon atoms of 1 to 3, lower haloalkyl groups with carbon atoms of 1 to 3, lower haloalkoxy groups with carbon atoms of 1 to 3, halogen atoms, hydroxyl groups, nitro groups, amino groups which may be substituted with lower alkyl group(s) with carbon atoms of 1 to 3 or hetero rings, or R.sup.1 and R.sup.2 link to form a methylenedioxy group, R.sup.3 denotes a lower alkoxy group with carbon atoms of 1 to 3, hydroxyl group or halogen atom, and dotted line indicates double bond or single bond in combination with solid line], and processes for preparing the same.
本发明提供了一种新型的N-苄基二氧噻唑基苯甲酰胺衍生物,可以改善胰岛素抵抗,并具有强效的降血糖和降脂作用,以及制备该化合物的方法。本发明涉及一般式(1)所表示的以N-苄基二氧噻唑基苯甲酰胺衍生物为特征的化合物。其中,R1和R2表示相同或不同的氢原子、碳原子数为1到4的低碳基、碳原子数为1到3的低碳氧基、碳原子数为1到3的低卤代烷基、碳原子数为1到3的低卤代氧基、卤素原子、羟基、硝基、氨基,其可以被碳原子数为1到3的低碳基或杂环取代,或者R1和R2连接形成亚甲二氧基基团;R3表示碳原子数为1到3的低碳氧基、羟基或卤素原子;虚线表示与实线结合形成双键或单键。同时还提供了制备该化合物的方法。