Abstract: The present invention provides an arylpiperidine derivative of the formula (I) or a pharmaceutically acceptable salt thereof, which has antipsychotic effect: wherein D is a carbon atom or a nitrogen atom, E is a CH group or a nitrogen atom, G is an oxygen atom, a sulfur atom, a nitrogen atom or an NH group, Y1 is a hydrogen atom or a halogen atom, n is an integer of 1 to 4, and R1 is a group represented by any of the formulas (i) to (iv) defined in the specification.

Abstract: The present invention relates to 2-amino-6-fluorobicyclo[3.1.0]hexane-2,6-dicarboxylic acid derivatives represented by the formula: the pharmaceutically acceptable salts thereof, or the hydrates thereof. The compounds of the present invention are useful as a medicament, and in particular, are useful as modulators acting on group 2 metabotropic glutamate receptors, having effects for treating and/or preventing psychiatric disorders such as schizophrenia, anxiety and its associated diseases, depression, bipolar disorder, and epilepsy; and/or neurological diseases such as drug dependence, cognitive disorders, Alzheimer's disease, Huntington's chorea, Parkinson's disease, dyskinesia associated with muscular stiffness, cerebral ischemia, cerebral failure, myelopathy, and head trauma.

Abstract: An arginine derivative represented by the formula: 1

Abstract: A phenyloxyaniline derivative useful as a ligand for peripheral benzodiazepine receptor having a strong affinity and a high selectivity, which is represented by formula (1): 1

Abstract: A process for producing a 2-oxobicyclo[3.1.

Abstract: A tetrahydropyridino or piperidino heterocyclic derivative represented by the formula [I]:

Abstract: Carbamoyl tetrahydropyridine derivatives represented by the formula: 1

Abstract: There are provided a therapeutic preparation for anxiety neurosis or depression which comprises a MC4 receptor antagonist as an effective ingredient; and a piperazine derivative represented by Formula [1]: 1

Abstract: The present invention relates to a 2-fluoro-2-(3-oxobicyclopentyl)acetate derivative represented by the formula (1): 1

Abstract: Carbamoyl tetrahydropyridine derivatives represented by the formula: [in the formula, R1 and R2 are identical or different, and each represents a hydrogen atom, a C1-C5 alkyl group, or the like; Y1-Y2 represents (R4)C═C(R5), (R6)C═N, N═N, (R7)N—CO, or N═C(R8); X1, X2, and X3 are identical or different, and each represents a hydrogen atom, a halogen atom, or the like; R3, R4, R5, and R6 are identical or different, and each represents a hydrogen atom or an alkyl group; R7 represents a hydrogen atom, a C1-C5 alkyl group, or the like; and R8 represents a hydrogen atom or a carbamoyl group] or a pharmaceutically acceptable salt thereof, and intermediates for the preparation thereof are provided. The derivatives described above are effective for diseases which are believed to involve CRF.

Abstract: The present invention relates to 2-amino-6-fluorobicyclo[3.1.

Abstract: The present invention relates to compounds which are useful for efficient synthesis of 2-amino-4-oxobicyclo[3.1.0]hexane-2,6-dicarboxylic acids. The compounds according to the present invention comprise 2-oxobicyclo[3.1.

Abstract: The present invention relates to compounds which are useful for efficient synthesis of 2-amino-4-oxobicyclo[3.1.0]hexane-2,6-dicarboxylic acids. The compounds according to the present invention comprise 2-oxobicyclo[3.1.

Abstract: An aryloxyaniline derivative represented by the formula: wherein Ar1 and Ar2 are the same or different, and are each a substituted or unsubstituted phenyl group, a substituted or unsubstituted pyridyl group or a naphthyl group, provided that Ar1 and Ar2 are not both phenyl or both naphthyl and are not phenyl and naphthyl, R1 is a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, a substituted or unsubstituted phenyl group or a group of the formula: —NR2(R3) (wherein R2 and R3 are the same or different, and are each a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, X1 is a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 5 carbon atoms, a phenoxy group, a halogen atom, a trifluoromethyl group, a carbamoyl group or an aminosulfonyl group, Y1 is a branched or unbranched alkylene group having 1 to 6 carbon atoms or a single bond; and pharmaceutically acceptabl

Abstract: The present invention provides an arylpiperidine derivative of the formula (I) or a pharmaceutically acceptable salt thereof, which has antipsychotic effect: 1

Abstract: The present invention relates to compounds which are useful for efficient synthesis of 2-amino-4-oxobicyclo[3.1.0]hexane-2,6-dicarboxylic acids.

Abstract: This invention relates to the novel compounds and pharmaceutical compositions of formulas (I) and (II). This invention also relates to a method of treating or reducing inflammation in a mammal in need thereof, which comprises administering to said mammal an effective amount of a compound or composition of formula (I) or (II).

Abstract: The present invention provides an arylpiperidine derivative of the formula (I) or a pharmaceutically acceptable salt thereof, which has antipsychotic effect: wherein D is a carbon atom or a nitrogen atom, E is a CH group or a nitrogen atom, G is an oxygen atom, a sulfur atom, a nitrogen atom or an NH group, Y1 is a hydrogen atom or a halogen atom, n is an integer of 1 to 4, and R1 is a group represented by any of the formulas (i) to (iv) defined in the specification.

Abstract: The present inventions relate to a (1S,5R,6S)- or (1SR, 5RS, 6SR)-3-fluoro-2-oxobicyclo[3.1.0]hex-3-ene-6-carboxylic acid derivative represented by Formula (1): [in the formula, R represents OR1 or NR1R2, wherein R1 and R2 are identical or different, and each represents a hydrogen atom, a C1-C6 alkyl group, a C3-C6 cycloalkyl group, a (C3-C6 cycloalkyl) (C1-C6 alkyl) group, an aryl group, an aryl (C1-C6 alkyl) group, a (C1-C6 alkoxy) (C1-C6 alkyl) group, a C1-C6 hydroxyalkyl group, a (C1-C6 alkylthio) (C1-C6 alkyl) group, or a C1-C6 mercaptoalkyl group], and a process for producing the same, and a process for efficiently producing a fluorine-containing amino acid compound acting on group 2 metabotropic glutamate receptors, which has treatment effects or prevention effects on psychiatric diseases or neurological diseases, characterized by hydrogenating the derivative, and subsequently, subjecting it to hydantoination or aminocyanidation, followed by hydrolysis.

Abstract: A 1,2-dihydro-2-oxoquinoline derivative represented by the formula: wherein Ar is a pyridyl group or a group represented by the formula: (wherein X3 and X4 are the same or different, and are each a hydrogen atom, a halogen atom, a C1-5 alkyl group, a C1-5 alkoxy group, a hydroxyl group or a trifluoromethyl group), Y is a nitrogen atom, CH or C(OH), R1 and R2 are the same or different, and are each a hydrogen atom, a C1-10 alkyl group, a C3-15 alkoxyalkyl group or a C3-15 alkylaminoalkyl group, or R1 and R2 taken together with the nitrogen atom to which they are attached form a cyclic amino group, X1 and X2 are the same or different, and are each a hydrogen atom, a C1-5 alkyl group, a C1-5 alkoxy group or a halogen atom; or X1 and X2 taken together form an alkylenedioxy group, and n is an integer of 1 to 3; or a pharmaceutically acceptable salt thereof.