A convergent, modular access to α-chloro-trifluoromethyl derivatives and to 1,1-difluoroalkenes

Add time:07/27/2019    Source:sciencedirect.com

An efficient protocol for the preparation of S-(1-chloro-2,2,2-trifluoroethyl)-O-ethyl xanthate is reported. This reagent serves as a versatile precursor of highly functionalized gem-difluoroalkenes through various inter- and intramolecular radical reactions and subsequent reduction with activated magnesium metal.

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