Patent ID: 7989449

Claim:
A compound of formula I wherein R 1 and R 1′ are each independently hydrogen, halogen, lower alkoxy, lower alkyl, lower alkyl substituted by halogen, lower alkoxy substituted by halogen, lower alkoxy substituted by hydroxy, —O—(CH 2 ) o —O-lower alkyl, —(CH 2 ) p —O-lower alkyl, —O—S(O) 2 -lower alkyl, —S(O) 2 -lower alkyl or cyano; or R 1 and R 1′ together are —(CH 2 ) 2 O—, —O—CH 2 —O— or —N(R)—(CH 2 ) 2 —O— which forms a 5- or 6-membered ring with the carbon atoms to which they are attached; R is hydrogen or lower alkyl; R 2 is hydrogen, halogen, lower alkyl, cyano, lower alkoxy, lower alkoxy substituted by halogen, —O—(CH 2 ) p —C 3-6 -cycloalkyl or (CH 2 ) o —O-lower alkyl; each R 3 is independently hydrogen, cyano, lower alkoxy, lower alkyl, lower alkyl substituted by halogen, lower alkoxy substituted by halogen, —CH 2 —O-lower alkyl, —C(O)N-di-lower alkyl or halogen; R 4 is hydrogen or lower alkyl; X is a bond, —NH—C(O)—, —NH— or —O—CH 2 ; Ar is aryl or heteroaryl; and wherein —X—Ar—(R 3 ) m is in the 3 or 4 position of the phenyl ring; or X—Ar—(R 3 ) m represents benzo[1,3]dioxole; m is 0, 1 or 2; o is 2 or 3; and p is 1, 2 or 3; or a pharmaceutically active acid addition salt thereof.