2-Arylcarboxamide-Nitrogenous Heterocycle Compound

摘要

A compound represented by the formula [I]: [wherein R¹ and R² are the same or different and each represents C_1-6 alkyl, C_3-8 cycloalkyl, et al; R^3a, R^3b, and R⁴ are the same or different and each represents hydrogen, C_1-6 alkyl, et al; X represents -N-, -CH-, et al; Y, represents a single bond, C_1-3 alkylene, et al; Y₂ represents C_1-4 alkylene, oxy(C_1-4 alkylene), et al; Ar₁ represents a monocyclic aromatic carbocyclic group, monocyclic aromatic heterocyclic group, et al; and Ar₂ represents a 5 - or 6 -membered aromatic carbocyclic group, aromatic heterocyclic group, et al]. This compound functions as a melanin-concentrating hormone receptor antagonist and is useful as, e.g., a therapeutic agent for obesity, et al.