Reactions of mesomeric fluorocarbanions with acid anhydrides. Transformation of trifluoromethyl groups into fluorocarbonyl and perfluoroacyl groups
AY Volkonsky, EM Rokhlin
Index: Volkonsky,A.Y.; Rokhlin,E.M. Journal of Fluorine Chemistry, 1984 , vol. 26, p. 183
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Citation Number: 8
Abstract
It was found that the reaction of mesomeric fluorocarbanions of the CF 3 XCOY type with benzoic anhydride leads to the loss of benzoyl fluoride and the formation of mesomeric carbanions of the FCO XCOY type. In a similar reaction with perfluorocarboxylic acid anhydrides, besides a CF 3 →COF transformation, further change of COF into COR F is observed, leading to the formation of salts containing mesomeric anions of the R F CO XCOY type, which, upon acidification, ...
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