Michael G. B. Drew, Stephen Gorsuch, Jayne H. M. Gould and John Mann
(5S)-(5-tert-Butyldimethylsiloxymethyl)furan-2(5H
)-one has been converted into cytosine 2′,3′-dideoxy-3′,5′-homocyclic monophosphate (and its 5-fluoro congener) together with an adenosine homocyclic monophosphate. These were designed as inhibitors of HIV reverse transcriptase although they did not possess such activity.