| abstract |
Compounds of general formula (I), useful as preventive or therapeutic drugs for diabetes, wherein A is optionally substituted aryl or optionally substituted heteroaryl; B is lower alkyl, optionally substituted aryl, or the like; X1 is -O-, -S-, or -NRa- (wherein Ra is hydrogen or lower alkyl); X?2 is -NRb¿CO-, -CONR?b-, -NRbCONRb¿-, -SO¿2?-, -NR?bSO¿2-, -D-, -D-O-, -D-CO-, -D-SO2-, -D-NRbCO-, or -D-NRbSO2- (wherein D is a divalent heterocyclic group; and Rb is hydrogen or optionally substituted lower alkyl); m is an integer of 0 to 3; and n is an integer of 2 to 5. |