Patent ID: 6960602

Claim:
A compound of formula (I): wherein: R 1 is C 3-7 cycloalkyl; R 2 is phenyl, heteroaryl, phenyl(C 1-4 alkyl) or heteroaryl(C 1-4 alkyl); R 3 , R 3a , R 4 and R 4a are, independently, hydrogen or C 1-4 alkyl; R 5 is hydrogen, C 1-4 alkyl (optionally substituted by halogen, hydroxy, C 1-4 alkoxy, C 3-7 cycloalkyl, SH, C 1-4 alkylthio, cyano or S(O) q (C 1-4 alkyl)), C 3-4 alkenyl, C 3-4 alkynyl or C 3-7 cycloalkyl; R 6 is phenyl, heteroaryl, phenylNH, heteroarylNH, phenyl(C 1-2 )alkyl, heteroaryl(C 1-2 )alkyl, phenyl(C 1-2 alkyl)NH or heteroaryl(C 1-2 alkyl)NH; wherein the phenyl and heteroaryl rings of any of the foregoing are independently optionally substituted by halo, cyano, nitro, hydroxy, C 1-4 alkyl, C 1-4 alkoxy, S(O) m C 1-4 alkyl, S(O) 2 NR 11 R 12 , NHS(O) 2 (C 1-4 alkyl), NH 2 , NH(C 1-4 alkyl), N(C 1-4 alkyl) 2 , NHC(O)NH 2 , C(O)NH 2 , C(O)NH(C 1-4 alkyl), NHC(O)(C 1-4 alkyl), CO 2 H, CO 2 (C 1-4 alkyl), C(O)(C 1-4 alkyl), CF 3 , CHF 2 , CH 2 F, CH 2 CF 3 or OCF 3 ; R 11 and R 12 are, independently, hydrogen or C 1-4 alkyl; m, and q are, independently, 0, 1 or 2; or a pharmaceutically acceptable salt thereof or a solvate thereof.