Synthesis of fluorinated carbocyclic nucleosides: preparation of (±)-carbocyclic-FMAU and some congeners

Abstract
The alcohols (7) and (19) and the ketone (28) were treated with diethylaminosulphur trifluoride (DAST) to give the fluoro-compounds (8), (21), and (29) respectively: compound (8) was converted into the potential anti-viral agents carbocyclic-FMAU (14) and carbocyclic-FIAU (16) white compound (21) afforded the 2′-α-fluoro-carbocyclic nucleosides (24), (25), (27), and compound (29) gave the difluoro-analogue (32)[crystal data were obtained on compounds (8) and (9)].

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