| abstract |
A compound represented by the following formula (1) or a salt thereof is provided: (see formula 1) wherein R 1 represents an alkyl group of 1 to 12 carbon atoms, a phenyl group, a 1-naphthyl group and the like, R2 represents an alkyl group of 2 to 12 carbon atoms, (R3) b represents 0 to 4 substituents such as a halogen atom, R4 represents a lower alkyl group, R5 represents a hydrogen atom or a lower alkyl group, n represents a integer from 2 to 4 and X represents -NH- or -O-, which has a higher hypoglycemic action, a hypolipidemic action and a total cholesterol reduction action, and which is useful as an active ingredient of a drug for prophylactic or therapeutic treatment of diseases that include diabetes mellitus, hyperlipidemia and the like. |