| abstract |
Compounds of formula I: n n n wherein R 1 is hydroxy or NHSO 2 R 1A wherein R 1A is (C 1-8 )alkyl, (C 3-7 )cycloalkyl or {(C 1-6 )alkyl-(C 3-7 )cycloalkyl}, which are all optionally substituted from 1 to 3 times with halo, cyano, nitro, O(C 1-6 )alkyl, amido, amino or phenyl, or R 1A is C 6 or C 10 aryl which is optionally substituted from 1 to 3 times with halo, cyano, nitro, (C 1-6 )alkyl, O(C 1-6 )alkyl, amido, amino or phenyl; R 2 is (C 5-6 )cycloalkyl and R 3 is cyclopentyl; or a pharmaceutically acceptable salt thereof, useful as inhibitors of the HCV NS3 protease. |