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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 30, Number 11
BKCSDE 30(11)
November 20, 2009

Title	Synthesis and Antiviral Activity of 2'(β)-Hydroxymethylated Carbodine Analogues Against Hepatitis C Virus
Author	Joon Hee Hong, Chang Hyun Oh*
Keywords	Carbodine, Anti-HCV agent, Substituted carbocyclic nucleoside
Abstract	2'(β)-Hydroxymethylated adenosine is a potent and selective inhibitor of hepatitis C virus (HCV) replication. It targets the RNA-dependent RNA polymerase of HCV, NS5B. Synthesis and antiviral evaluation of carbocyclic versions are described. The cyclopentene intermediate (9β) was successfully synthesized through sequential Johnson-Claisen orthoester rearrangement and ring-closing metathesis (RCM). Coupling of bases via a Pd(0) catalyst, selective dihydroxylation, and desilylation yielded the target nucleoside analogues. The compounds 17 and 18 were assayed for their ability to inhibit HCV RNA replication in a subgenomic replicon Huh7 cell line and showed moderate antiviral activity with toxicity up to 20.0 and 24.7 μg/mL, respectively.
Page	2626 - 2630
Full Text	PDF

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