Novel, Potent Phenethylamide Inhibitors of the Hepatitis C Virus (HCV) NS3 Protease: Probing the Role of P2 Aryloxyprolines with Hybrid Structures.
2003
Abstract Synthesis of hybrid HCV NS3 protease/NS4A inhibitors having the 4,4-difluoroaminobutyric acid (difluoroAbu) phenethylamides as P1–P1′ and quinolyloxyprolines as P2 fragments led to 7 (IC 50 54 nM). Molecular modelling suggests that this potent tripeptide inhibitor utilizes interactions in the S1′, S1, S2, S3 and S4 sites of the protease.
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