Aryloxyaniline derivatives

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 or a naphthyl group, 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 or a carbamoyl group, Y1 is a branched or unbranched alkylene group having 1 to 6 carbon atoms or a single bond;
• or a pharmaceutically acceptable salt thereof, and the substituted phenyl group is a phenyl group substituted with one to three members selected from the group consisting of an alkyl group having 1 to 10 carbon atoms, an alkyl group having 1 to 10 carbon atoms substituted with halogen atoms;
• hydroxyl groups;
• carboxyl groups or alkoxycarbonyl groups, an alkenyl group having 2 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, an alkylthio group having 1 to 10 carbon atoms, a group of the formula:
• —O—Z—R4 (wherein Z is a branched or unbranched alkylene group having 1 to 10 carbon atoms, and R4 is an amino group, an amino group substituted with one or two of an alkyl group having 1 to 7 carbon atoms, a cyclic amino group having 2 to 7 carbon atoms, a hydroxyl group, a carboxyl group or an alkoxycarbonyl group), an alkanoyl group having 2 to 10 carbon atoms or a ketal form thereof, a formyl group or an acetal form thereof, a carboxyl group, an alkoxycarbonyl group having 2 to 10 carbon atoms, a carbamoyl group, a carbamoyl group substituted with one or two of an alkyl group having 1 to 10 carbon atoms on the nitrogen atom, an aminosulfonyl group, an aminosulfonyl group substituted with one or two of an alkyl group having 1 to 10 carbon atoms on the nitrogen atom, a halogen atom and a nitro group.