Process for the preparation of perfluoroalkylalkenols

Details Process for the preparation of perfluoroalkylalkenols Process for the preparation of perfluoroalkylalkenols

C - Chemistry, Metallurgy

07

C

260/631.5

C07C 33/42 (2006.01) C07C 29/58 (2006.01)

Patent

CA 1280445

Abstract of the disclosure: Process for the preparation of perfluoroalkylalkenols In a novel process for the preparation of perfluoroalkyl- alkenols, perfluoroalkylhalohydrins are dehydrohalogenated using specific ionic bases, namely using an alkali metal carbonate, an alkali metal hydrogen carbonate or an alkyl- ammonium hydrogen carbonate, in the presence of aprotic and polar solvents, Using this process, high yields of the intended perfluoroalkylalkenols are achieved and only very small amounts, if any at all, of undesired byproducts, such as partially fluorinated ether alcohols and/or par- tially fluorinated epoxides, are formed.

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