| abstract |
(57) Abstract: A novel substituted phenylthiazolidine-2,4 that improves insulin resistance and has a strong hypoglycemic action -Providing dione derivatives and processes for their preparation. SOLUTION: General formula (1) [Wherein R 1 and R 2 are the same or different and each represents hydrogen, a lower alkyl group having 1 to 4 carbon atoms, a lower alkoxy group having 1 to 3 carbon atoms, a halogen atom, a nitro group, or R 1 and R 2 Substituted with benzene ring together with indane, tetrahydronaphthalene and naphthalene, R 3 represents hydrogen and a lower alkyl group having 1 to 4 carbon atoms] and a method for producing them Regarding |