申请人:KYORIN PHARMACEUTICAL CO., LTD.
公开号:EP0846693A1
公开(公告)日:1998-06-10
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)
[wherein R1 and R2 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 R1 and R2 link to form a methylenedioxy group, R3 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.
本发明提供了改善胰岛素抵抗、具有强效降血糖和降血脂作用的新型N-苄基二氧代噻唑烷基苯甲酰胺衍生物及其制备工艺,涉及N-苄基二氧代噻唑烷基苯甲酰胺衍生物,其特征在于由通式(1)表示
[其中 R1 和 R2 表示相同或不同的氢原子、碳原子数为 1 至 4 的低级烷基、碳原子数为 1 至 3 的低级烷氧基、碳原子数为 1 至 3 的低级卤代烷基、碳原子数为 1 至 3 的低级卤代烷氧基、卤素原子、羟基、硝基、可被碳原子数为 1 至 3 的低级烷基或杂环取代的氨基,或 R1 和 R2 连接形成亚甲基二氧基,R3 表示碳原子数为 1 至 3 的低级烷氧基、羟基或卤素原子,虚线表示双键或与实线结合的单键],以及制备上述物质的工艺。