Abstract: A light emitting apparatus includes a substrate, a laminated structure provided at the substrate and including a plurality of columnar sections, and an electrode provided on the side opposite the substrate with respect to the laminated structure and injecting current into the laminated structure. The columnar sections each include an n-type first GaN layer, a p-type second GaN layer, and a light emitting layer provided between the first GaN layer and the second GaN layer. The first GaN layers are provided between the light emitting layers and the substrate. The laminated structure includes a p-type first AlGaN layer. The first AlGaN layer includes a first section provided between the second GaN layers of the columnar sections adjacent to each other and a second section provided between the first section and the electrode and between the columnar sections and the electrode.

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 are a compound of a formula (I) and its pharmaceutically-acceptable salt: wherein Q is CH or N; R1a, R1b, R1c and R1d are independently a C1-6 alkyl, a halo-C1-6 alkyl, etc.; R2 is a hydrogen atom, etc.; R3 is independently a hydrogen atom, a C1-6 alkyl, etc., or two R3's, taken together, form a bridge such as methylene, etc.; R4a and R4b are independently a hydrogen atom, a C1-6 alkyl, etc.; Z is a bicyclic aromatic hetero ring, etc.; Ar is a benzene ring, etc.; m1 and m2 are independently 0, 1 or 2; n is an integer of from 1 to 4. The compound and its salt act as a melanin concentrating hormone receptor antagonist, and are useful as a preventive or remedy for central system disorders, cardiovascular disorders, metabolic disorders, etc.

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: 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: 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: Compounds of the formula (I): (wherein A is an optionally substituted straight-chain hydrocarbon having 1 to 6 carbon atoms, which is optionally intervened by oxygen or nitrogen atom; Ar1 is aryl or heteroaryl, any of which is optionally substituted; n is 0 or 1; R0 is hydrogen, or lower alkylene attached to an arbitrary, bondable position of A; T, U, V and W are independently nitrogen atom or optionally substituted methine, and at least two of T, U, V and W are said methine group; X is —N(SO2R1)—, —N(COR2)— or —CO—; Y is —C(R3)(R4)—, —O— or —N(R5)—; Z is methine or nitrogen atom) exhibit NPY antagonistic activities and are useful as agents for the treatment of various diseases related to NPY, for example, cardiovascular disorders such as hypertension, nephropathy, heart disease, vasospasm, arteriosclerosis, etc., central nervous system disorders such as bulimia, depression, anxiety, seizure, epilepsy, dementia, pain, alcoholism, drug withdrawal, circadian rhythm disorders, schizophrenia, etc.

Abstract: Compounds of the formula (I): 1