Abstract: The present invention provides a compound, a salt thereof, or a prodrug thereof as a compound effective for preventing and/or treating fibrosis, the compound being represented by formula (1) (wherein A is an optionally substituted benzene ring; B is optionally substituted aryl or optionally substituted heteroaryl; X is an oxygen atom or a sulfur atom; Y is a nitrogen atom or a carbon atom, of Y is a single or double bond when Y is a carbon atom, or of Y is a single bond when Y is a nitrogen atom; each R1 independently represents lower alkyl, or two R1s may be bound to each other to form a spiro ring or a crosslinked structure, or two R1s may be bound to each other to form a saturated fused heterocycle together with nitrogen and carbon atoms constituting a ring containing Y; p is 0, 1, or 2; or (R1)p is oxo).

Abstract: The present invention provides a compound, a salt thereof, or a prodrug thereof as a compound effective for preventing and/or treating fibrosis, the compound being represented by formula (1) (wherein A is an optionally substituted benzene ring; B is optionally substituted aryl or optionally substituted heteroaryl; X is an oxygen atom or a sulfur atom; Y is a nitrogen atom or a carbon atom, of Y? is a single or double bond when Y is a carbon atom, or of Y? is a single bond when Y is a nitrogen atom; each R1 independently represents lower alkyl, or two R1s may be bound to each other to form a spiro ring or a crosslinked structure, or two R1s may be bound to each other to form a saturated fused heterocycle together with nitrogen and carbon atoms constituting a ring containing Y; p is 0, 1, or 2; or (R1)p is oxo).

Abstract: The present invention provides a compound, a salt thereof, or a prodrug thereof as a compound effective for preventing and/or treating fibrosis, the compound being represented by formula (1) (wherein A is an optionally substituted benzene ring; B is optionally substituted aryl or optionally substituted heteroaryl; X is an oxygen atom or a sulfur atom; Y is a nitrogen atom or a carbon atom; of Y is a single or double bond when Y is a carbon atom, or of Y is a single bond when Y is a nitrogen atom; each R1 independently represents lower alkyl, or two R1s may be bound to each other to form a spiro ring or a crosslinked structure, or two R1s may be bound to each other to form a saturated fused heterocycle together with nitrogen and carbon atoms constituting a ring containing Y; p is 0, 1, or 2; or (R1)p is oxo).

Abstract: The present invention provides a compound, a salt thereof, or a prodrug thereof as a compound effective for preventing and/or treating fibrosis, the compound being represented by formula (1) (wherein A is an optionally substituted benzene ring; B is optionally substituted aryl or optionally substituted heteroaryl; X is an oxygen atom or a sulfur atom; Y is a nitrogen atom or a carbon atom; of Y is a single or double bond when Y is a carbon atom, or of Y is a single bond when Y is a nitrogen atom; each R1 independently represents lower alkyl, or two R1s may be bound to each other to form a spiro ring or a crosslinked structure, or two R1s may be bound to each other to form a saturated fused heterocycle together with nitrogen and carbon atoms constituting a ring containing Y; p is 0, 1, or 2; or (R1)p is oxo).

Abstract: The present invention relates to a novel cycloalkane derivative which has an excellent psychotropic action.

Abstract: A compound of the following formula (1), or its prodrug or pharmaceutically acceptable salt thereof, being useful as a diabetic medicine or preventive, or blood sugar regulator, or therapeutic agent for hyperlipemia, etc. wherein the ring Z is an optionally substituted heteroaryl, W4 is a single bond, lower alkylene, etc., Ar2 is an optionally substituted aryl, etc., W3 is a single bond, lower alkylene, etc., Ar1 is an optionally substituted arylene, etc., each of W1 and W2 is an optionally substituted lower alkylene, etc., and R1 is carboxyl, an alkoxycarbonyl.

Abstract: Disclosed is a compound represented by the formula (1) below, a prodrug thereof or a pharmaceutically acceptable salt of either, which is useful as a therapeutic, preventive or ameliorating agent for diabetes and the like. (In the formula, R3 represents an optionally substituted carbamoyl group or the like; X represents a hydroxyl group or the like; W1 and W2 independently represent a single bond or methylene; R7 and R8 independently represent a hydrogen atom, an optionally substituted alkyl group or the like; and Ar represents an optionally substituted aryl group or the like.

Abstract: A compound of the following formula (1), or its prodrug or pharmaceutically acceptable salt thereof, being useful as a diabetic medicine or preventive, or blood sugar regulator, or therapeutic agent for hyperlipemia, etc. wherein the ring Z is an optionally substituted heteroaryl, W4 is a single bond, lower alkylene, etc., Ar2 is an optionally substituted aryl, etc., W3 is a single bond, lower alkylene, etc., Ar1 is an optionally substituted arylene, etc., each of W1 and W2 is an optionally substituted lower alkylene, etc., and R1 is carboxyl, an alkoxycarbonyl.

Abstract: Disclosed is a compound represented by the formula (1) below, a prodrug thereof or a pharmaceutically acceptable salt of either, which is useful as a therapeutic, preventive or ameliorating agent for diabetes and the like. (In the formula, R3 represents an optionally substituted carbamoyl group or the like; X represents a hydroxyl group or the like; W1 and W2 independently represent a single bond or methylene; R7 and R8 independently represent a hydrogen atom, an optionally substituted alkyl group or the like; and Ar represents an optionally substituted aryl group or the like.

Abstract: A heteroaryl derivative of the formula (1): (wherein Ring Z is an optionally substituted heteroaryl, R1 is a carboxyl group or an alkoxycarbonyl group, etc., W1 and W2 are an optionally substituted lower alkylene, Ar1 is an optionally substituted arylene or an optionally substituted heteroarylene, W3 is a single bond, a lower alkylene, a lower alkenylene, etc., W4 is a single bond, —NR10—, etc., Ar2 is an optionally substituted aryl or an optionally substituted heteroaryl), or a prodrug thereof, or a pharmaceutically acceptable salt thereof.

Abstract: A heteroaryl derivative of the formula (1): (wherein Ring Z is an optionally substituted heteroaryl, R1 is a carboxyl group or an alkoxycarbonyl group, etc., W1 and W2 are an optionally substituted lower alkylene, Ar1 is an optionally substituted arylene or an optionally substituted heteroarylene, W3 is a single bond, a lower alkylene, a lower alkenylene, etc., W4 is a single bond, —NR10—, etc., Ar2 is an optionally substituted aryl or an optionally substituted heteroaryl), or a prodrug thereof, or a pharmaceutically acceptable salt thereof.

Abstract: A compound of the following formula (1), or its prodrug or pharmaceutically acceptable salt thereof, being useful as a diabetic medicine or preventive, or blood sugar regulator, or therapeutic agent for hyperlipemia, etc. wherein the ring Z is an optionally substituted heteroaryl, W4 is a single bond, lower alkylene, etc., Ar2 is an optionally substituted aryl, etc., W3 is a single bond, lower alkylene, etc., Ar1 is an optionally substituted arylene, etc., each of W1 and W2 is an optionally substituted lower alkylene, etc., and R1 is carboxyl, an alkoxycarbonyl.

Abstract: A novel pyrrole derivative represented by the following formula (1) and a salt thereof: wherein R1 means substituted alkenyl, etc.; R2 means substituted benzoyl, etc.; and R3 to R5 each means hydrogen, alkyl, halogeno, etc. The derivative and salt have antidiabetic activity.

Abstract: A heteroaryl derivative of the formula (1): (wherein Ring Z is an optionally substituted heteroaryl, R1 is a carboxyl group or an alkoxycarbonyl group, etc., W1 and W2 are an optionally substituted lower alkylene, Ar1 is an optionally substituted arylene or an optionally substituted heteroarylene, W3 is a single bond, a lower alkylene, a lower alkenylene, etc., W4 is a single bond, —NR10—, etc., Ar2 is an optionally substituted aryl or an optionally substituted heteroaryl), or a prodrug thereof, or a pharmaceutically acceptable salt thereof.

Abstract: Medicament being useful as a fibrosis inhibitor for organs or tissues, which comprises a compound of the formula (I): wherein Ring Z is optionally substituted pyrrole ring, etc.; W2 is —CO—, —SO2—, optionally substituted C1-C4 alkylene, etc.; Ar2 is optionally substituted aryl, etc.; W1 and Ar1 mean the following (1) and (2): (1) W1 is optionally substituted C1-C4 alkylene, etc.; Ar1 is optionally substituted bicyclic heteroaryl having 1 to 4 nitrogen atoms as ring-forming atoms: (2) W1 is optionally substituted C2-C5 alkylene, optionally substituted C2-C5 alkenylene, etc.; and Ar1 is aryl or monocyclic heteroaryl, which is substituted by carboxyl, alkoxycarbonyl, etc. at the ortho- or meta-position thereof with respect to the binding position of W1, or a pharmaceutically acceptable salt thereof.

Abstract: A compound of the formula: wherein Ar is optionally substituted phenyl, etc.; n is 0, 1 or 2; R1 is hydogen atom, optionally substituted alkyl, etc.; R2 and R3 are independently optionally substituted alkyl, etc.; R4 and R5 are independently hydrogen atom or optionally substituted alkyl; R6 is hydrogen atom, hydroxy or alkyl; or a pharmaceutically acceptable salt thereof is useful as a medicament for treating retinal degenerative disorders and the like.

Abstract: Pyrrole derivatives represented by the following formula: 1

Abstract: A novel pyrrole derivative represented by the following formula (1) and a salt thereof: 1

Abstract: Pyrrole derivatives represented by the following formula: wherein Ring Z is an optionally substituted pyrrole ring, etc.; W2 is —CO—, —SO2—, an optionally substituted C1-C4 alkylene, etc.; Ar2 is an optionally substituted aryl, etc.; W1 and Ar1 mean the following (1) and (2): (1) W1 is an optionally substituted C1-C4 alkylene, etc.; Ar1 is an optionally substituted bicyclic heteroaryl having 1 to 4 nitrogen atoms as ring-forming atoms: (2) W1 is an optionally substituted C2-C5 alkylene, an optionally substituted C2-C5 alkenylene, etc.; and Ar1 is an aryl or monocyclic heteroaryl, which are substituted by carboxyl, an alkoxycarbonyl, etc. at the ortho- or meta-position thereof with respect to the binding position of W1, or a pharmaceutically acceptable salt thereof. These compounds are useful as medicaments such as a fibrosis inhibitor for organs or tissues.

Abstract: Pyrrole derivatives represented by the following formula: 1