Process for the preparation of hexafluoracetone and direct...

Details Process for the preparation of hexafluoracetone and direct... Process for the preparation of hexafluoracetone and direct...

C - Chemistry, Metallurgy

07

C

260/585.9

C07C 49/167 (2006.01) C07C 39/367 (2006.01) C07C 45/58 (2006.01)

Patent

CA 1181096

Abstract of the disclosure: Hexafluoroacetone is prepared by a rearrangement of hexafluoropropene epoxide at an elevated temperature in the presence of hydrogen fluoride as a catalyst and, if appropriate, also as a solvent. In many cases the solu- tion of hexafluoroacetone in hydrogen fluoride obtained in this process can be directly employed without further working-up or purification in further reactions of hexafluoroacetone, for example with phenol and/or o-cresol.

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