Add time:08/25/2019         Source:sciencedirect.com

A novel β-D-2′-deoxy-2′-α-fluoro-2′-β-C-(fluoromethyl)uridine phosphoramidate prodrug (1) has been synthesized. This compound exhibits submicromolar-level antiviral activity in vitro against HCV genotypes 1b, 1a, 2a, and S282T replicons (EC50 = 0.18–1.13 μM) with low cytotoxicity (CC50 > 1000 μM). Administered orally, prodrug 1 is well tolerated at doses of up to 4 g/kg in mice, and produces a high level of the corresponding triphosphate in rat liver.

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