Abstract: A 3-aryl or heteroaryl-substituted indole derivative which is effective as a preventive or remedy for various diseases is provided. [Means for Resolution] A compound represented by a formula (I) or a pharmaceutically acceptable salt thereof is provided. In the formula, R1 represents a hydrogen atom, C1-6 alkyl et al; R2 represents a hydrogen atom, C1-6 alkyl et al; Z represents aryl or heteroaryl (with the proviso that imidazolyl is excluded); and W represents a group represented by the formula (w-1) or (w-2). In the formula, R3 represents C1-6 alkyl et al; Yl and Y2 both represent a hydrogen atom or Y1 and Y2 together form —CH2-CH2-; Q represents CH or N; Ar represents phenyl, furyl et al; R4 and R5 each independently represent a hydrogen atom or C1-6 alkyl or R4 and R5 together with the nitrogen atom form pyrrolidine et al.

Abstract: A novel aryl indole derivative is provided that is effective as a preventive or remedy for various diseases. A compound represented by a formula (I) or a pharmaceutically acceptable salt thereof: (I) wherein R1 is a hydrogen atom, halogen, C1-6alkyl, haloC1-6alkyl, C1-6alkyloxy, or haloC1-6alkyloxy; R2 represents C1-6alkyl or haloC1-6alkyl; R3 represents a hydrogen atom, C1-6alkyl, or haloC1-6alkyl; and Ar represents an aryl or heteroaryl, wherein the aryl or the heteroaryl may be substituted with 1 to 3 substituents such as halogen, C1-6alkyl, haloC1-6alkyl, and C1-6alkyloxy.

Abstract: Disclosed is a compound represented by the formula (I): Wherein R1 and R2 independently represent a hydrogen atom, a lower alkyl group or the like; X1, X2 and X3 independently represent a methine group or a nitrogen atom; Y1 and Y3 independently represent a single bond, —O— or the like; Y2 represents a lower alkylene group or the like; W1 to W4 independently represent a single bond, a methylene group or the like; L represents a single bond, a methylene group or the like; Z1 and Z2 independently represent a single bond, a C1-4 alkylene group or the like; Ar1 represents an aromatic carbocyclic ring or the like; and Ar2 represents a bicyclic aromatic carbocyclic ring or the like. The compound is useful as a pharmaceutical for a central disease, a cardiovascular disease or a metabolic disease.

Abstract: The present invention provides an imidazopyridine compound represented by formula (I), wherein R1 and R2 each independently represent a C1-6 alkyl group et al; R3 and R4 each independently represent a hydrogen atom, a methyl et al; Ar1 is a divalent substituent representing a monocyclic or bicyclic, 3- to 8-membered aromatic or aliphatic heterocyclic group et al; Ar2 represents an aromatic carbocyclic group, or an aromatic heterocyclic group; W represents —(CH2)m et al, and m indicates an integer of from 0 to 10. This compound acts as a melanin concentrating hormone receptor antagonist, and is useful as treating agents for obesity.

Abstract: A compound represented by the formula [I]: [wherein R1 and R2 are the same or different and each represents C1-6 alkyl, C3-8 cycloalkyl, et al; R3a, R3b, and R4 are the same or different and each represents hydrogen, C1-6 alkyl, et al; X represents —N—, —CH—, et al; Y1 represents a single bond, C1-3 alkylene, et al; Y2 represents C1-4 alkylene, oxy(C1-4 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.

Abstract: The invention provides imidazopyridine derivatives represented by the general formula [I] [in which R1 and R2 may be the same or different and stand for C1-6 alkyl or the like, R3 and R4 stand for hydrogen atom, methyl group or the like, W stands for mono- or bi-cyclic 3- to 8-membered aromatic or aliphatic heterocycle or the like, and Ar stands for optionally substituted aromatic heterocycle or the like]. These compounds act as melanin-concentrating hormone receptor antagonist and are useful as medicines for central nervous system disorders, cardiovascular system disorders and metabolic disorders.

Abstract: The invention provides imidazopyridine derivatives represented by the general formula [I] [in which R1 and R2 may be the same or different and stand for C1-6 alkyl or the like, R3 and R4 stand for hydrogen atom, methyl group or the like, W stands for mono- or bi-cyclic 3- to 8-membered aromatic or aliphatic heterocycle or the like, and Ar stands for optionally substituted aromatic heterocycle or the like]. These compounds act as melanin-concentrating hormone receptor antagonist and are useful as medicines for central nervous system disorders, cardiovascular system disorders and metabolic disorders.

Abstract: A compound represented by the formula [I]: [wherein R1 and R2 are the same or different and each represents C1-6 alkyl, C3-8 cycloalkyl, et al; R3a, R3b, and R4 are the same or different and each represents hydrogen, C1-6 alkyl, et al; X represents —N—, —CH—, et al; Y, represents a single bond, C1-3 alkylene, et al; Y2 represents C1-4 alkylene, oxy(C1-4 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.

Abstract: The present invention provides an imidazopyridine compound represented by formula (I), wherein R1 and R2 each independently represent a C1-6 alkyl group et al; R3 and R4 each independently represent a hydrogen atom, a methyl et al; Ar1 is a divalent substituent representing a monocyclic or bicyclic, 3- to 8-membered aromatic or aliphatic heterocyclic group et al; Ar2 represents an aromatic carbocyclic group, or an aromatic heterocyclic group; W represents —(CH2)m et al, and m indicates an integer of from 0 to 10. This compound acts as a melanin concentrating hormone receptor antagonist, and is useful as treating agents for obesity.