One-pot syntheses provided a series of triazole- and pentafluorophenyloxy-s
ubstituted pyrimidine nucleosides. Most of the compounds in the series disp
layed anti-HIV activities but none as potent as AZT 2. 1-(beta-D-Erythro-pe
ntofuranosyl)-4-pentafluorophenyloxy-2(1H)-pyrimidinone 14 was the most pot
ent and the most selective compound;in the series with EC50 = 1.6 mu M. (C)
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