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DOI: 10.1055/sos-SD-022-00101

Glass, R. S.Science of Synthesis, (200522106.

Reaction of thiocarboxylic O-acid esters with diethylaminosulfur trifluoride (DAST) affords α,α-difluoro ethers 37 (Scheme 30).[‌47‌] This procedure is the method of choice for securing α,α-difluoro ethers.

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