Abstract: Compounds represented by the following general formula: [wherein X1, X2, X3 and X4 each independently represent a single bond, C1-6 alkylene, etc.; A2 represents optionally substituted phenyl, etc.; A1 represents an optionally substituted 5- to 7-membered heterocyclic group containing —C(=Q1)- (wherein Q1 represents oxygen, sulfur or ?N—R11 (wherein R11 represents hydrogen or C1-6 alkyl)) and nitrogen, etc.; and Z1 represents piperidin-diyl, etc.], salts thereof and hydrates of the foregoing.

Abstract: Compounds represented by the following general formula: [wherein X1, X2, X3 and X4 each independently represent a single bond, C1-6 alkylene, etc.; A2 represents optionally substituted phenyl, etc.; A1 represents an optionally substituted 5- to 7-membered heterocyclic group containing —C(=Q1)- (wherein Q1 represents oxygen, sulfur or ?N—R11 (wherein R11 represents hydrogen or C1-6 alkyl)) and nitrogen, etc.; and Z1 represents piperidin-diyl, etc.], salts thereof and hydrates of the foregoing.

Abstract: The present invention provides a novel compound exhibiting an excellent inhibitory action on AMPA receptor and/or kainate receptor. That is, it provides a compound represented by the following formula, a salt thereof or a hydrate of them. In the formula, A1, A2 and A3 are independent of each other and each represents a C3-8 cycloalkyl group, a C3-8 cycloalkenyl group, a 5- to 14-membered non-aromatic heterocyclic group, a C6-14 aromatic hydrocarbon cyclic group or a 5- to 14-membered aromatic heterocyclic group, each of which may be substituted; Q represents O, S or NH; Z represents C or N; X1, X2 and X3 are independent of each other and each represents a single bond, an optionally substituted C1-6 alkylene group, an optionally substituted C2-6 alkenylene group, an optionally substituted C2-6 alkynylene group, —NH—, —O—, —NHCO—, —CONH—, —SO0-2—, etc.

Abstract: The present invention provides compounds represented by the following formula: wherein X1, X2, X3 and X4 each independently represents a single bond, C1-6 alkylene, etc.; A2 represents optionally substituted phenyl, etc.; A1 represents an optionally substituted 5- to 7-membered heterocyclic group containing —C(?Q1)—, Q1 wherein represents oxygen, sulfur or ?N—R11, wherein R11 represents hydrogen or C1-6 alkyl etc.; and Z1 represents piperidin-diyl, ect, salts thereof and hydrates of the foregoing.

Abstract: Compounds represented by the following general formula: [wherein X1, X2, X3 and X4 each independently represent a single bond, C1-6 alkylene, etc.; A2 represents optionally substituted phenyl, etc.; A1 represents an optionally substituted 5- to 7-membered heterocyclic group containing —C(=Q1)- (wherein Q1 represents oxygen, sulfur or ?N—R11 (wherein R11 represents hydrogen or C1-6 alkyl)) and nitrogen, etc.; and Z1 represents piperidin-diyl, etc.], salts thereof and hydrates of the foregoing.

Abstract: The present invention provides a novel compound having an excellent AMPA receptor inhibitory action and/or kainate inhibitory action. A compound represented by the following formula, a salt thereof or hydrates thereof. In the formula, Q indicates NH, O or S; and R1, R2, R3, R4 and R5 are the same as or different from each other and each indicates hydrogen atom, a halogen atom, a C1-6 alkyl group or a group represented by the formula —X-A (wherein X indicates a single bond, an optionally sbutituted C1-6 alkylene group etc.; and A indicates an optionally substituted C6-14 aromatic hydrocarbocyclic group or 5- to 14-membered aromatic heterocyclic group etc.).

Abstract: The present invention provides a novel compound having an excellent AMPA receptor inhibitory action and/or kainate inhibitory action. A compound represented by the following formula, a salt thereof or hydrates thereof. In the formula, Q indicates NH, O or S; and R1, R2, R3, R4 and R5 are the same as or different from each other and each indicates hydrogen atom, a halogen atom, a C1-6 alkyl group or a group represented by the formula —X-A (wherein X indicates a single bond, an optionally substituted C1-6 alkylene group etc.; and A indicates an optionally substituted C6-14 aromatic hydrocarbocyclic group or 5- to 14-membered aromatic heterocyclic group etc.).

Abstract: Compounds represented by the following general formula: 1

Abstract: The invention provides an N,N-substituted cyclic amine compound represented by the following formula (VIII): wherein A represents an aryl group etc.; E represents a group represented by the formula —CO— or a group represented by the formula —CHOH—; G represents an oxygen atom etc.; J represents an aryl group which may be substituted; R1 represents a lower alkyl group etc.; Alk represents a linear or branched lower alkylene group; n, v, w, x and y are independent of each other and each represents 0 or 1; and p represents 2 or 3, or a pharmacologically acceptable salt thereof. The compound of the present invention or a salt thereof is effective to treat a disease against which calcium antagonism is effective.

Abstract: The present invention provides a novel compound having an excellent AMPA receptor inhibitory action and/or kainate inhibitory action. A compound represented by the following formula, a salt thereof or hydrates thereof.

Abstract: The present invention provides a novel nitrile compound useful as an intermediate for the production of, for example, N,N-substituted cyclic amine derivatives or phenylacetonitrile derivatives that are useful as a medicine. Specifically it provides a nitrile carboxylic acid compound, nitrile ester compound and nitrile alcohol compound. That is, it provides a nitrile compound represented by the following formula (I): wherein R1 and R2 means substituents; m means 0 or an integer of from 1 to 6; n means 0 or an integer of from 1 to 5; and R3 means carboxyl group, a lower alkoxycarbonyl group or hydroxymethyl group.

Abstract: The present invention provides a novel compound exhibiting an excellent inhibitory action on AMPA receptor and/or kainate receptor. That is, it provides a compound represented by the following formula, a salt thereof or a hydrate of them.