Ethers of a difluoroallylic alcohol undergo clean, high-yielding [2,3]-Wittig rearrangements in tetrahydrofuran (THF) at –30 °C, affording highly functionalised products with an in-chain difluoromethylene group.
S. T. Patel and J. M. Percy, J. Chem. Soc., Chem. Commun., 1992, 1477 DOI: 10.1039/C39920001477
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