| abstract |
PCT No. PCT/JP96/03664 Sec. 371 Date Jun. 16, 1998 Sec. 102(e) Date Jun. 16, 1998 PCT Filed Dec. 16, 1996 PCT Pub. No. WO97/22600 PCT Pub. Date Jun. 26, 1997The 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. |