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Electrophilic acylation of fluoroolefines by unsaturated perfluoroacylfluorides

S. Chepik - No affiliation found

1991/09/01 Abstract DOI: 10.1016/S0022-1139(00)83812-9 Journal: Journal of Fluorine Chemistry

Abstract:

AbstractIt has been found that fluoroolefines are acylated by fluoroanhydrides of α,β-unsaturated perfluorocarboxylic acids in presence of SbF5 with high yields: The assumed reaction sceme involves the formation of vynilacylic ion as reactive particle: The acylation of tetrafluoroethene by bis(trifluoromethyl)ketene in presence of SbF5 leads to the formation of fluoroanhydride of 2-trifluoromethylperfluoropentenoic acid along with 2- trifluoromethylperfluorovynilethylketone.