N-SUBSTITUTED DIOXOTHIAZOLIDYLBENZAMIDE DERIVATIVES AND PROCESS FOR PRODUCING THE SAME
申请人:KYORIN PHARMACEUTICAL CO., LTD.
公开号:EP0881219A1
公开(公告)日:1998-12-02
The invention provides novel N-substituted dioxothiazolidylbenzamide derivatives that improve the insulin resistance and have potent hypoglycemic effect and lipid-lowering effect, and the process for preparing them, and relates to N-substituted dioxothiazolidylbenzamide 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 or hydroxyl groups, or R1 and R2 combine to form a methylenedioxy group, R3 denotes a hydrogen atom, lower alkoxys group with carbon atoms of 1 to 3, hydroxyl group or halogen atom, R4 denotes a hydrogen or lower alkyl group with carbon atoms of 1 to 3, n denotes an integer of 0 to 2, and X denotes N or CH], and process 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-取代二噁噻唑烷基苯甲酰胺衍生物及其制备方法,涉及N-取代二噁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、卤素原子或羟基、或 R1 和 R2 结合形成亚甲基二氧基,R3 表示氢原子、碳原子数为 1 至 3 的低级烷氧基、羟基或卤原子,R4 表示氢或碳原子数为 1 至 3 的低级烷基,n 表示 0 至 2 的整数,X 表示 N 或 CH],以及制备上述物质的工艺。