Patent ID: 7319101

Claim:
A compound of formula I wherein R 1 is H, CN, halogen, —COR 2 , —S(O) x R 2 , C 1-12 -alkyl, C 2-12 -alkenyl, C 3-8 -cycloalkyl, a heterocyclyl group, an aryl group, a heteroaryl group, C 3-8 -cycloalkyl-(C 1-3 )-alkyl, a heterocyclyl-(C 1-3 )-alkyl group, an aryl-(C 1-3 )-alkyl group or a heteroaryl-(C 1-3 )-alkyl group; wherein the alkyl, alkenyl, alkoxy, cycloalkyl, heterocyclyl group, aryl group and heteroaryl groups are optionally substituted; R 2 is —N(R 3 )(R 3′ ), C 1-6 -alkyl, C 3-8 -cycloalkyl, heterocyclyl, aryl, heteroaryl, C 3-8 -cycloalkyl-(C 1-3 )-alkyl, a heterocyclyl-(C 1-3 )-alkyl group, an aryl-(C 1-3 )-alkyl group or a heteroaryl-(C 1-3 )-alkyl group, wherein the C 1-6 -alkyl, C 3-8 -cycloalkyl, heterocyclyl, aryl, and heteroaryl are optionally substituted; R 3 and R 3′ are independently hydrogen or (C 1-3 )-alkyl; x is 0, 1 or 2; or an ester thereof which is hydrolyzable under physiological conditions or a pharmaceutically acceptable salt thereof.