Patent ID: 8163918

Claim:
A compound of the formula wherein Ar 1 is carbocycle, heteroaryl or heterocyclyl each optionally substituted by one to three R a ; R a is C 1-6 alkyl, C 3-10 cycloalkyl, C 1-6 alkoxy, C 1-6 alkylthio, C 1-6 alkylsulfonyl, C 1-6 alkoxycarbonyl, amino, mono- or di-C 1-6 alkylamino, C 3-6 cycloalkylamino, C 1-6 alkylaminocarbonyl, C 1-6 acyl, C 1-6 acylamino, C 1-6 dialkylaminocarbonyl, hydroxyl, halogen, cyano, nitro, oxo, R 4 —S(O) m —NH—, R 4 —NH—S(O) m —, aryl or carboxyl; R 4 is hydrogen, C 1-6 alkyl, C 3-6 cycloalkyl, heterocyclyl(CH 2 ) 0-1 , mono- or di-C 1-6 alkylamino, mono- or di- 1-6 alkylamino(CH 2 ) 2-3 N(R e )—, aryl or heteroaryl each optionally substituted with 1 to 3 C 1-6 alkyl, C 3-6 cycloalkyl, C 1-6 alkoxy, halogen, hydroxyl, oxo, carboxyl, —C(O)NR e R f , amino, mono- or di-C 1-6 alkylamino, C 1-6 alkoxycarbonyl or C 1-6 acylamino; m is independently 0-2.