HETEROCYCLIC TRIPEPTIDES AS HEPATITIS C INHIBITORS

摘要

Compounds of formula (I):wherein R1 is hydroxyl or sulfonamide derivative; R2 is t−butyl or −CH2−C(CH3)3 or −CH2−cyclopentyl; R3 is t−butyl or cyclohexil and R4 is cyclobutyl, cyclopentyl or cyclohexyl; or a pharmaceutically acceptable salt thereof, are described as useful as inhibitor of the HCV NS3 protease.