Abstract
Abstract Anodic fluorination of some electrophilic alkenes (conjugated with electron-withdrawn groups), ethyl cinnamates, R C 6 H 4 CH CH CO 2 Et (R = H, CH 3 , CH 3 O, F and CF 3 ), cinnamonitrile, C 6 H 4 CH CH CN, phenyl stryryl ketone, and t -butyl styryl ketone using ammonium fluorides as the fluorine source and supporting electrolyte, in CH 2 Cl 2 as electrolytic solvent yields the expected vicinal difluoro compounds, as mixture of erythro and threo isomers. The anodic fluorination of phenyl 3,5-di- t -butyl-4-hydroxystyryl ketone yields two monofluoro compounds. A possible reaction mechanism is discussed.
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