Liquid phase synthesis of hexafluoroacetone

Details Liquid phase synthesis of hexafluoroacetone Liquid phase synthesis of hexafluoroacetone

C - Chemistry, Metallurgy

07

C

260/585.9

C07C 49/167 (2006.01) C07C 45/56 (2006.01)

Patent

CA 1177494

ABSTRACT LIQUID PHASE SYNTHESIS OF HEXAFLUOROACETONE A process for the preparation of hexafluoro- acetone which comprises contacting, in the liquid phase, hexafluorothioacetone dimer in the presence of an aprotic solvent containing a catalytic amount of an alkali metal fluoride with a gaseous oxidant selected from the group consisting of air, O2, O3, NO2 and NO is disclosed. The preferred aprotic solvent is dimethylformamide, and the preferred gaseous oxidant is O2.

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