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T. Arimura, M. Shibakami, M. Tamura, S. Kurosawa, and A. Sekiya
[Bull. Chem. Soc. Jpn., Vol.66, pp.2454-2456, 1993]
Ethyl acetate was perfluorinated by direct fluorination in the presence of cesium fluoride, affording pentafluoroethyl trifluoroacetate in excellent yield (Scheme 1). In the reaction pathway, the dimerization of trifluoroacetyl fluoride with cesium fluoride gives pentafluoroethyl trifluoroacetate (Sheme 2).
