Patent ID: 8637510

Claim:
A compound having the formula (I) or a stereochemical isomer thereof, wherein R 1 is C 1-6 alkyl, C 1-6 alkyl substituted with 1, 2 or 3 halogen substituents, C 1-6 alkyl substituted with 1 cyano group, C 1-6 alkyl substituted with 1 heteroaryl group, C 3-6 cycloalkyl, C 3-6 cycloalkyl substituted with 1, 2, 3, or 4 methyl groups, C 3-6 cycloalkyl substituted with 1 hydroxy group, (C 3-6 cycloalkyl)C 1-6 alkyl, (C 1-6 alkyloxy)C 1-6 alkyl, (haloC 1-4 alkyloxy)C 1-6 alkyl, tetrahydrofuryl, aryl, heteroaryl, pyrrolidinyl, pyrrolidinyl substituted with 1 C 1-4 -alkyl group, or tetrahydrofuryl substituted with 1, 2 or 3 substituents selected from methyl and oxo; aryl is 2,2-difluoro-1,3-benzodioxolyl; phenyl; or phenyl substituted with 1, 2 or 3 substituents selected from halogen, trifluoromethyl, trifluoromethoxy, cyano, C 1-6 alkyl, C 1-4 alkyloxy, and aminosulfonyl; heteroaryl is a mono- or bicyclic aromatic heterocyclic radical containing at least one heteroatom selected from N, O and S, optionally substituted with 1, 2 or where possible with 3 substituents selected from C 1-4 alkyl, C 1-4 alkyloxy, C 3-6 cycloalkyl, and trifluoro-methyl; R 2 and R 3 are independently H, C 1-4 alkyl or trifluoromethyl; or R 2 and R 3 are taken together to form 1,2-ethanediyl or 1,3-propanediyl; Ar is R 4 and R 5 are independently H, C 1-4 alkyl, trifluoromethyl, C 3-6 cycloalkyl or C 1-4 alkyloxy; or an acid addition salt thereof.