Abstract

Abstract α,α-Difluoroalkylamines, such as 1-diethylamino-2-chloro-1,1,2-trifluoroethane (1) and 1-diethylamino-1,1,2,3,3,3-hexafluoropropane (2), were found to be useful dehydrating agents for the synthesis of acetylenic ketones from β-diketones in the presence of freeze-dried potassium fluoride in acetonitrile.

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