| abstract |
Disclosed is a novel condensed ring compound having a GPR40 receptor function-modulating action and useful as an insulin secretion-promoting agent or a preventive / therapeutic agent for diabetes. SOLUTION: Formula [Chemical Formula 1] [In the formula, Ar represents an optionally substituted cyclic group, Ring A represents a ring which may be further substituted (provided that the ring is not thiazole, oxazole, imidazole and pyrazole), Xa and Xb independently represent a spacer having a bond or main chain atom number of 1 to 5, Xc is O, S, SO or SO 2 , [Chemical formula 2] Ring B is a 5- to 7-membered ring, Xd is a bond, CH or CH 2 , ・ ・ ・ ・ ・ ・ Is a single bond when Xd is a bond or CH 2 and a double bond when Xd is CH, R 1 represents an optionally substituted hydroxy group. Or a salt thereof. [Selection figure] None |