Imidazo[1,2-a]pyridines That Directly Interact with Hepatitis C NS4B: Initial Preclinical Characterization

[摘要]：A series of imidazo[1,2-a]pyridines which directly bind to HCV Non-Structural Protein 4B (NS4B) is described. This series demonstrates potent in vitro inhibition of HCV replication (EC50 < 10 nM), direct binding to purified NS4B protein (IC50 < 20 nM), and an HCV resistance pattern associated with NS4B (H94N/R, V105L/M, F98L) that are unique among reported HCV clinical assets, suggestive of the potential for additive or synergistic combination with other small molecule inhibitors of HCV replication.

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