| abstract |
The compounds of formula (I) in which R is hydroxy or NHSOR, where R is C-C1-6alkyl, C-Cycloalkyl or C-C1-6alkyl-C-Cycloalkyl, which are all optionally substituted with 1 to 3 substituents selected from the group consisting of halogen, cyano, nitro, OS-C1-6alkyl, amido, amino or phenyl, or R is C- or Saryl, optionally substituted with 1-3 substituents selected from the group consisting of halogen, cyano, nitro, C-C1-6alkyl, OS-C1-6alkyl, amido, amino or phenyl; R is C-Cycloalkyl and R is cyclopentyl; or their pharmaceutically acceptable salts, which can be used as inhibitors of the NS3 protease HCV. |