Compounds of Formula (I) wherein R1, R2, R3, R4 and R5 are defined herein, maintain good activity against NS3 proteases containing clinically relevant genotype 1 a R155K and genotype 1 b D168V resistance mutations. The compounds are useful as inhibitors of HCV NS3 protease for the treatment of hepatitis C viral infection.
式(I)中的化合物,其中R1、R2、R3、R4和R5如本文所定义,对含有临床相关的
基因型1a R155K和
基因型1b D168V耐药突变的
NS3蛋白酶保持良好的活性。这些化合物可用作HCV
蛋白酶的
抑制剂,用于治疗丙型肝炎病毒感染。