Patent ID: 8889670

Claim:
A compound of the formula (IIA) wherein Ar 1 is chosen from phenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, tetrahydrofuranyl, tetrahydropyranyl, tetrahydrothiopyranyl, tetrahydrothiopyran-1,1-dioxide, tetrahydrothiofuranyl, tetrahydrothiofuran-1,1-dioxide, thiomorpholinyl, 1-oxo-1λ 4 -thiomorpholinyl, 1,1-dioxo-1λ 6 -thiomorpholinyl, pyridinyl, pyrrolidinyl, piperidinyl and piperazinyl, each optionally substituted by 1-3 C 1-6 alkyl, trifluoromethyl, C 1-2 alkoxy, halogen, oxo, —C(O)—C 1-10 alkyl, —S(O) 2 —C 1-3 alkyl or —CO 2 —C 1-4 alkyl; Ar 2 is chosen from cyclohexyl, benzothiazolyl, benzimidazolyl, oxazolyl, isoxazolyl, isothiazolyl, thiadiazolyl, triazolyl and pyridinyl, each optionally substituted by 1-3 C 1-6 alkyl, trifluoromethyl, cyclopropyl, cyclopentyl, cyclohexyl, phenyl optionally substituted by halogens, CN or halogen; L 1 is chosen from a bond or C 1-3 alkyl chain wherein each —CH 2 — of said chain is optionally replaced by C(O) or S(O) 2 ; L 2 is chosen bond or C 2-3 alkyl chain wherein each —CH 2 — of said chain is optionally replaced by S; R 1 is chosen from hydrogen and oxo (═O); or a pharmaceutically acceptable salt thereof.