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Synthesis of perfluoroethers by liquid phase fluorination
Authors:Silvana Modena  Pierangelo Calini  Guglielmo Gregorio  Giovanni Moggi
Institution:

Montefluos C.R.S., via S. Pietro 50. 20021 Bollate (MI) Italy

Abstract:Liquid phase fluorination of diethyleneglycol dimethyl ether tetraethyleneglycol dimethyl ether, 21,2-dichloro-1,2-difluoroethyl] tetrahydrofuran and 21,2-dichloro-1,2-difluoroethyl] dioxane 1,4 produce the corresponding perfluoroethers in 56, 43, 67 and 74 % yields respectively.

The by-products are partially fluorinated compounds and no fragmentation is observed.

The simplicity of the reactions and method of preparation make this approach to fluorinated fluids and oils industrially attractive.

Keywords:
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