Synthesis and anti-HCV activity of 1-(1′,3′-O-anhydro-3′-C-methyl-β-d-psicofuranosyl)uracil
作者:Zofia Komsta、Benjamin Mayes、Adel Moussa、Montserrat Shelbourne、Alistair Stewart、Andrew J. Tyrrell、Laura L. Wallis、Alexander C. Weymouth-Wilson、Alexander Yurek-George
DOI:10.1016/j.tetlet.2014.09.069
日期:2014.11
Synthesis of a novel 1',2'-oxetane-uridine bearing a 2'-C-methyl substituent, [1-(1',3'-O-anhydro-3'-Cmethyl-beta-D-psicofuranosyl)uracil], is described. Key to its construction was the use of 6-O-(p-toluoy1)1,2:3,4-di-O-isopropylidene-3-C-methyl-D-psicofuranose as a nucleosidation substrate, which itself was derived from D-fructose. Anti-HCV activity was examined for the corresponding triphosphate which was not found to be an inhibitor of HCV NS5B 1b wild type polymerase in vitro. The 1',2'-oxetane uridine triphosphate without 2'-C-methyl substitution was similarly inactive, however, the guanosine analog displayed modest inhibition (IC50= 10 mu M). (C) 2014 Elsevier Ltd. All rights reserved.