R—C—F Branch

The use of trifluoro(fluoroxy)methane for the stereospecific introduction of a fluorine atom at the branching point of branch-chain sugars has been reported previously (see Vol. 9, p. 56). The fluorinated branched-chain derivative (403) has been converted into 3-C-acetoxymethyl-6-0-benzoyl-3-deoxy-3-fluoro-D-glucose, 

Sakakibara, A. Seta, Y. Tachimori, T. Takamoto, and R. Sudoh, Chem. Letters. 1977, 1365. 

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