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 pyridone derivatives represented by a general formula (I) [in the formula, R1 and R2 may be same or different and stands for H, etc., or R1 and R2 may form an aliphatic nitrogen-containing heterocyclic group together with the N to which they bind; X1-X3 may be same or different and stand for methine or N, provided not all of them simultaneously stand for nitrogen; X4-X7 may be same or different and stand for methine or N, provided that three or more of them do not simultaneously stand for N; Y1 and Y3 may be same or different and stand for single bond, —O—, —NR—, —S—, etc; Y2 stands for lower alkylene, etc.; R stands for H, etc., L stands for methylene; Z1 and Z2 may be same or different and stand for single bond or lower alkylene; or R1, L and Z2 may form an aliphatic nitrogen-containing heterocyclic group with the N to which R1 binds; and Ar stands for aromatic carbocyclic group, etc.].

Abstract: Provided are a histamine-H3 receptor antagonist; and a preventive and/or a remedy for metabolic system diseases such as obesity, diabetes, hormone secretion disorder, hyperlipemia, gout, fatty liver, circulatory system diseases, for example, stenocardia, acute/congestive cardiac insufficiency, cardiac infarction, coronary arteriosclerosis, hypertension, nephropathy, sleep disorder and various diseases accompanied by sleep disorder such as idiopathic hypersomnia, repetitive hypersomnia, true hypersomnia, narcolepsy, sleep periodic acromotion disorder, sleep apnea syndrome, circadian rhythm disorder, chronic fatigue syndrome, REM sleep disorder, senile insomnia, night worker sleep insanitation, idiopathic insomnia, repetitive insomnia, true insomnia, electrolyte metabolism disorder, and central and peripheral nervous system diseases such as bulimia, emotional disorder, melancholia, anxiety, epilepsy, delirium, dementia, shinzophrenia, attention deficit/hyperactivity disorder, memory disorder, Alzheimer's diseas

Abstract: The present invention relates to compositions comprising an anti-obesity agent and an anti-diabetic agent useful for the treatment of diabetes, diabetes associated with obesity and diabetes-related disorders. The present invention further relates to methods of treating or preventing obesity, and obesity-related disorders, in a subject in need thereof by administering a composition of the present invention. The present invention further provides for pharmaceutical compositions, medicaments, and kits useful in carrying out these methods.

Abstract: In the examination of obesity or leanness, the examination is based on the expression level of the MCP-1 gene or the MCP-1 protein in a tissue or cell analyte, or on the polymorphism in the gene. In the evaluation of compounds, including screening for therapeutic agents for obesity or leanness, the properties of the MCP-1 gene or the MCP-1 protein are utilized to carry out the evaluation.

Abstract: This invention provides 2-aminoquinoline derivatives represented by a general formula [I] [in which R1 and R2 either stand for lower alkyl, lower cycloalkyl, etc., or R1 and R2 together form an aliphatic nitrogen-containing heterocycle with the nitrogen atom to which they bind; R3, R4, R5, R6 and R7 stand for hydrogen, lower alkyl, etc.; R8 stands for lower alkyl, lower alkyloxy, etc.; and n stands for an integer of 0-4]. The compounds act as melanin concentrating hormone receptor antagonist, and are useful as medicines for central nervous system disorders, cardiovascular disorders and metabolic disorders.

Abstract: A compound of the formula (I): (wherein Ar1 and Ar2 are independently aryl or heteroaryl, any of which is optionally substituted by a substituent selected from the group consisting of cyano, halogen, nitro, lower alkyl, halo-lower alkyl, hydroxy-lower alkyl, cyclo-lower alkyl, cyclo(lower alkyl)-lower alkyl, lower alkenyl, lower alkylamino, di-lower alkylamino, lower alkanoylamino, lower alkylsulfonylamino, arylsulfonylamino, hydroxy, lower alkoxy, halo-lower alkoxy, aryloxy, heteroaryloxy, lower alkylthio, carboxyl, formyl, lower alkanoyl, lower alkoxycarbonyl, carbamoyl, lower alkylcarbamoyl, di-lower alkylcarbamoyl, lower alkylsulfonyl, arylsulfonyl, aryl and heteroaryl; R1 and R2 are independently lower alkyl, cyclo-lower alkyl, cyclo(lower alkyl)-lower alkyl or lower alkoxy, any of which is optionally substituted by a substituent selected from the group consisting of halogen, lower alkylamino, di-lower alkylamino, lower alkanoylamino, hydroxy, lower alkoxy, formyl, lower alkoxycarbonyl, lower alky

Abstract: A compound of the formula (I): wherein R1 is hydrogen, halogen, cyano, lower alkyl, halo-lower alkyl, hydroxy, lower alkoxy or aralkyloxy; R2 and R3 are each independently hydrogen, halogen or halo-lower alkyl; and R4 and R5 are each independently hydrogen or halogen, is useful as a pharmaceutical composition for the treatment of various diseases related to NPY, for example, cardiovascular disorders such as angina, acute or congestive heart failure, myocardial infarction, hypertension, nephropathy, electrolyte abnormality, vasospasm, etc., nervous system disorders such as bulimia, depression, anxiety, seizure, epilepsy, dementia, pain, alcoholism, drug withdrawal, circadian rhythm disorders, schizophrenia, memory impairment, sleep disorders, cognitive impairment, etc., metabolic diseases such as obesity, diabetes, hormone abnormality, gout, fatty liver, etc., genital or reproductive disorders such as infertility, preterm labor, sexual dysfunction, etc.

Abstract: The present invention relates to a compound of the formula (I): (wherein A, B, C and D are independently nitrogen or optionally substituted methine; E is nitrogen, methine or hydroxy substituted methine; n is 0 or 1; T, U, V and W are independently nitrogen or optionally substituted methine; X is —N(SO2R4)—, —N(COR5)— or —CO—; Y is —C(R6)(R7)—, —O— or —N(R8)—, provided that the compound (I) when E is nitrogen, n is 0, X is —CO—, and Y is —O— is excluded) and the like, which are useful as an agent for the treatment of various diseases related to NPY, for example cardiovascular disorders such as angina, acute or congestive heart failure, myocardial infarction, hypertension, nephropathy, electrolyte abnormality, vasospasm, arteriosclerosis, etc., central nervous system disorders such as bulimia, depression, anxiety, seizure, epilepsy, dementia, pain, alcoholism, drug withdrawal, circadian rhythm disorders, schizophrenia, memory impairment, sleep disorders, cognitive impairment, etc.

Abstract: The present invention relates to novel benzimidazole derivatives which are useful as neuropeptide Y receptor antagonists.

Abstract: Compound of the formula: (I) [wherein each of X1, X2, and X3 independently represents N or CH, W represents the formula (II):(II) or the formula (III):(III) and Y represents a group of the formula (IV):(IV)], or a pharmacologically acceptable salt thereof. This compound exhibits histamine receptor H3 antagonist or inverse agonist activity and is useful of the treatment and/or prevention of obesity, diabetes, hormonal secretion abnormality, sleep, disorder, etc.

Abstract: Compounds represented by the general formula (I): wherein Ar1 and Ar2 are each aryl or heteroaryl; R1 is lower cycloalkyl, —Ar3, or a group of the general formula (a), (b) or (c): and R2 and R3are each hydrogen, lower cycloalkyl, lower alkenyl, or optionally substituted lower alkyl (with the proviso that when R2 and R3 are simultaneously hydrogen, Ar1, Ar2 and R1 do not simultaneously represent unsubstituted phenyl).

Abstract: Compounds represented by the general formula (I): wherein Ar1 and Ar2 are each aryl or heteroaryl; R1 is lower cycloalkyl, —Ar3, or a group of the general formula (a), (b) or (c): and R2 and R3 are each hydrogen, lower cycloalkyl, lower alkenyl, or optionally substituted lower alkyl (with the proviso that when R2 and R3 are simultaneously hydrogen, Ar1, Ar2 and R1 do not simultaneously represent unsubstituted phenyl).

Abstract: The present invention relates to a compound of the formula (I): wherein Az is a group comprising a monocyclic azole or a bicyclic aromatic ring of the same or different fused azoles; T, U, V and W are independently methine or nitrogen, said methine being optionally substituted by a substituent, and at least two of T, U, V and W are said methine groups; and X is nitrogen or methine. The compounds of the present invention are useful as agents for the treatment of various kinds of diseases related to NPY, for example, cardiovascular disorders, nervous system disorders, genitative diseases, metabolic diseases, genital or reproductive disorders, gastrointestinal disorders, respiratory disorders, inflammatory diseases or glaucoma, and the like.

Abstract: The invention provides melanin-concentrating hormone receptor antagonists containing as the active ingredient piperidine derivatives represented by the general formula [I]: [wherein R1 is hydrogen, hydroxyl, lower alkyl, or the like; R2, R3a, R3b, R4a, R4b, R5a, R5b and R6 each stands for hydrogen, halogen, or the like; W1 and W2 each independently stands for —O—, —CH2—, or the like; Y1, Y2, Y3 and Y4 stand for —CH—, —CF—, —N—, or the like; Z stands for lower alkyl, an aliphatic heterocyclic group, or the like; Ar is a mono- or bi-cyclic aliphatic heterocycle or an aromatic heterocycle; and n is an integer of 1 to 8]. The compounds act as antagonist against melanin-concentrating hormone receptor and are useful as drugs for central diseases, circulatory diseases, or metabolic diseases.

Abstract: This invention relates to a benzimidazole derivative of the general formula [I] [wherein B1, B2, and B3 represent hydrogen atom or lower alkyl; R1 and R2 are same or different and represent lower alkyl, etc.; R3 and R4 represent hydrogen atom, etc.; W represents a 3 to 8-membered aromatic or alphatic heterocycle, etc.; and Ar represents a substituted or unsubstituted aromatic heterocycle, etc.] This compound functions as an antagonist to melanin-concentrating hormone receptor and is useful as a drug for central diseases, circulatory diseases and metabolic diseases.

Abstract: The present invention provides a compound represented by formula (I) below, or a pharmaceutically acceptable salt thereof, which, having histamine H3 receptor antagonist or inverse agonist activity, is useful in the prophylaxis or therapy of metabolic diseases, circulatory diseases, or nervous system diseases. [where, for example, Ar is a divalent group formed by eliminating two hydrogen atoms from benzene, X1 is a nitrogen atom, sulfur atom or oxygen atom, R1 is a 5- to 6-membered heteroaryl group, Ring A is a 5- to 6-membered heteroaryl ring, R2 and R3 are amino groups or alkylamino groups, and X2 is represented by formula (II): (where R4 and R5 are lower alkyl groups, and n is an integer from 2 to 4).

Abstract: A compound of the formula (I): wherein R1 is hydrogen, halogen, cyano, lower alkyl, halo-lower alkyl, hydroxy, lower alkoxy or aralkyloxy; R2 and R3 are each independently hydrogen, halogen or halo-lower alkyl; and R4 and R are each independently hydrogen or halogen, is useful as a pharmaceutical composition for the treatment of various diseases related to NPY, for example, cardiovascular disorders such as angina, acute or congestive heart failure, myocardial infarction, hypertension, nephropathy, electrolyte abnormality, vasospasm, etc., nervous system disorders such as bulimia, depression, anxiety, seizure, epilepsy, dementia, pain, alcoholism, drug withdrawal, circadian rhythm disorders, schizophrenia, memory impairment, sleep disorders, cognitive impairment, etc., metabolic diseases such as obesity, diabetes, hormone abnormality, gout, fatty liver, etc., genital or reproductive disorders such as infertility, preterm labor, sexual dysfunction, etc.

Abstract: A compound of the formula (I): (wherein Ar1 and Ar2 are independently aryl or heteroaryl, any of which is optionally substituted by a substituent selected from the group consisting of cyano, halogen, nitro, lower alkyl, halo-lower alkyl, hydroxy-lower alkyl, cyclo-lower alkyl, cyclo(lower alkyl)-lower alkyl, lower alkenyl, lower alkylamino, di-lower alkylamino, lower alkanoylamino, lower alkylsulfonylamino, arylsulfonylamino, hydroxy, lower alkoxy, halo-lower alkoxy, aryloxy, heteroaryloxy, lower alkylthio, carboxyl, formyl, lower alkanoyl, lower alkoxycarbonyl, carbamoyl, lower alkylcarbamoyl, di-lower alkylcarbamoyl, lower alkylsulfonyl, arylsulfonyl, aryl and heteroaryl; R1 and R2 are independently lower alkyl, cyclo-lower alkyl, cyclo(lower alkyl)-lower alkyl or lower alkoxy, any of which is optionally substituted by a substituent selected from the group consisting of halogen, lower alkylamino, di-lower alkylamino, lower alkanoylamino, hydroxy, lower alkoxy, formyl, lower alkoxycarbonyl, lower alkylc

Abstract: A Compound represented by the general formula (I): wherein AR1 represents an aryl or heteroaryl which may be substituted, the substituent being selected from the group consisting of hydroxy, halogen, nitro, lower alkyl, halo(lower)alkyl, hydroxy(lower)alkyl, cyclo(lower)alkyl, lower alkenyl, lower alkoxy, halo(lower)alkoxy, lower alkylthio, carboxyl, lower alkanoyl, lower alkoxycarbonyl, lower alkylene optionally substituted with oxo, and a group represented by the formula —Q—Ar2; Ar2represents an aryl or heteroaryl which may be substituted, the substituent being selected from the group consisting of halogen, cyano, lower alkyl, halo(lower)alkyl, hydroxy(lower)alkyl, hydroxy, lower alkoxy, halo(lower)alkoxy, lower alkylamino, di-lower alkylamino, lower alkanoyl and aryl; n represents 0 or 1; Q represents a single bond or carbonyl; T, U, V and W each independently represent a nitrogen atom or a methine group which may have a substituent selected from the group consisting of halogen, lower alkyl, hydrox