Cyclic compounds

A cyclic compound of the formula (I) or a pharmacologically acceptable salt thereof,

• 732
• wherein X is ═CH— or ═N—,
• Y is —NH—, —NR4—, —S—, —O—, —CH═N—, —N═CH—, —N═N—, —CH═CH—,
• 733
• R1 is a lower alkoxy group which is optionally substituted, an amino group which is optionally substituted, a heterocyclic ring containing N atom(s) which is optionally substituted, a hydroxy group which is optionally substituted by a heterocyclic ring containing N atom(s) which is optionally substituted, or cyano group,
• R2 is a lower alkylamino group which is optionally substituted by an aryl group which is optionally substituted, a lower alkoxy group which is optionally substituted by an aryl group which is optionally substituted, a lower alkoxy group substituted by an aromatic heterocyclic ring containing N atom(s), a lower alkylamino group substituted by a heterocyclic ring which is optionally substituted, or an amino group substituted by an aryl group which is optionally substituted,
• R3 is an aryl group which is optionally substituted, a heterocyclic ring containing N atom(s) which is optionally substituted, a lower alkyl group which is optionally substituted, a lower alkoxy group which is optionally substituted, a cyclo lower alkoxy group which is optionally substituted, a hydroxy group substituted by a heterocyclic ring containing N atom(s) which is optionally substituted, or an amino group which is optionally substituted, and
• R4, R5, R6 or R7 is an aryl group which is optionally substituted, a heterocyclic ring containing N atom(s) which is optionally substituted, a lower alkoxy group which is optionally substituted, or an amino group which is optionally substituted, and R4, R5, R6 or R7 may combine with R3 to form a lactone ring represented by the following formula,
• 734
• wherein, when X is ═N—, Y is —CH═N—, or —N═CH—, R2 is an amino group mono-substituted by a methyl group substituted by an aryl which is optionally substituted, and R3 is a lower alkyl which is optionally substituted, an amino group mono-substituted by a lower alkyl group substituted by a heterocyclic ring containing N atom(s) which is optionally substituted, an amino group mono-substituted by a heterocyclic ring containing N atom(s) which is optionally substituted or an amino group mono-substituted by a cyclo lower alkyl group which is optionally substituted, R1 is a lower alkoxy group which is optionally substituted, an amino group which is optionally substituted, a hydroxy group which is optionally substituted by a heterocyclic ring containing N atom(s) which is optionally substituted, or cyano group.