Synthesis of novel substituted N-aryl benzamides as hA3G stabilizers and their inhibitory activities against hepatitis C virus replication

Add time:07/13/2019    Source:sciencedirect.com

A series of novel amino-substituted N-aryl benzamide analogs were synthesized and evaluated for their ability to inhibit hepatitis C virus (HCV) replication in acutely infected Huh7.5 cells. Most of the substituted N-aryl benzamide compounds showed convincing anti-HCV activities. Compounds 1f, 1g and 4c exhibited potent anti-replicative activity at low micromolar levels (IC50=1.0–2.0 μM) with selective indices (SI) greater than 40. Mechanistic analysis indicated that the active compounds increased intracellular hA3G protein levels and inhibited HCV replication in a dose-dependent manner. The results demonstrate that this series of substituted N-aryl benzamide compounds warrant further investigation as inhibitors of HCV replication.

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