| abstract |
Novel compound represented by the formula: <CHEM> wherein ring A may be substituted; ring B represents an optionally substituted benzene ring; either X or Y represents -NR<1>- (R<1> represents a hydrogen atom, an optionally substituted hydrocarbon group, an optionally substituted hydroxyl group or an optionally substituted amino group), -O- or -S-, the other representing -CO-, -CS- or -C(R<2>)R<2a>- (R<2> and R<2a> independently represent a hydrogen atom or an optionally substituted hydrocarbon group), or either X or Y represents -N=, the other representing =CR<3>- (R<3> represents a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon group , an optionally substituted amino group, a substituted hydroxyl group or a mercapto group substituted by an optionally substituted hydrocarbon group); <........> represents a single or double bond; when <........> is a single bond, Z represents -CR<4>- (R<4> represents a hydrogen atom, hydroxyl group or an optionally substituted hydrocarbon group) or a nitrogen atom, or (ii) when <........> is a double bond, Z represents a carbon atom; D represents a C1-3 alkylene group which may be substituted by an oxo group or a thioxo group, or D and Y, taken together, may form a 5- to 7-membered ring which may be substituted by an oxo group or a thioxo group; E represents -NR<5>- (R<5> represents a hydrogen atom or an optionally substituted hydrocarbon group), -O- or -S(O)n- (n is 0,1 or 2), or R<5> and Y, taken together, may form a 5- to 7- membered ring which may be substituted by an oxo group or a thioxo group; G represents a bond or a C1-3 alkylene group; Ar represents an optionally substituted aryl group or an optionally substituted heterocyclic group, provided that (1) when (i) -X-Y- represents - O-CO- or -CO-O-, (ii) D represents -CO- and (iii) E represents -NR<5>-, either (a) G represents a C1-3 alkylene group and Ar represents a substituted aryl group or a substituted heterocyclic group, or (b) G represents a bond and R<5> represents an optionally substituted hydrocarbon group, and (2) when -X-Y- represents -NH-CO-, D represents -CO-, or a salt thereof having an excellent activity of inhibiting ACAT, lowering chlesterol in blood and inhibiting tachykinin recepter, or a salt thereof, their production and use. |