| abstract |
[Problem] n To provide a melanin-concentrating hormone receptor antagonist useful as a pharmaceutical agent for central diseases, circulatory diseases, and metabolic diseases. n [Means for Resolution] n Provided is a diarylmethylamide derivative represented by formula (I):n nWherein R 1a , R 1b , R 2a , R 2b , R 3a , and R 3b independently represent a hydrogen atom or the like, R 4 represents a hydrogen atom, C 1-6 alkyl, or the like, R 5 represents a hydrogen atom or the like, Z represents C 1-6 alkyl or the like, or R 4 and Z together form a 4- to 6-membered nitrogen-containing hetero ring, Y 1 represents H or the like, Y 2 represents H, or Y 1 and Y 2 together form - O-CH 2 -, W represents C, SO, or the like, Ar 1 represents 6-membered aryl or the like, Ar 2 represents 6-membered aryl or the like, and ring A represents a benzene ring, a pyridine ring, or the like. |