W. Dmowski et al., FLUORINATION OF SOME FLUORINE-CONTAINING OXO ESTERS BY SULFUR-TETRAFLUORIDE, Journal of fluorine chemistry, 74(2), 1995, pp. 259-260
Treatment of fluorine-containing oxo eaters with SF4 resulted in conco
mitant fluorination of keto groups and dehydrofluorination to give uns
aturated esters in high yields.