α,α-Difluoroacylsilanes were synthesised directly from a range of allyl ethers of trifluoroethanol via dehydrofluorination/metallation procedures, followed by thermal [3,3]-sigmatropic rearrangement of the intermediate vinylmetals. The scope and limitations of ether synthesis and dehydrofluorination/metallation are described.
Audouard, C., Garayt, M. R., Kerouredan, E., Percy, J., & Yang, H. (2005). A direct and rapid route to α,α-difluoroacylsilanes from trifluoroethanol. Journal of Fluorine Chemistry, 126(4), 609–621. https://doi.org/10.1016/j.jfluchem.2005.01.005