Perfluoroalkylacetyl chlorides and process for their...

Details Perfluoroalkylacetyl chlorides and process for their... Perfluoroalkylacetyl chlorides and process for their...

C - Chemistry, Metallurgy

07

C

204/91.23, 260/5

C07C 53/122 (2006.01) C07C 51/58 (2006.01) C07C 53/50 (2006.01)

Patent

CA 1075710

HOE 75/F 927 K PERFLUOROALKYLACETYL CHLORIDES AND PROCESS FOR THEIR MANU- FACTURE Abstract of the Disclosure: . Perfluoroalkylacetyl chlorides of the formula Image I. wherein Rf represents a straight-chain perfluoro alkyl radical having from 4 to 12 carbon atoms which are prepared by reacting perfluoro alkyl ethanols having general formula Rf . CH2 . CH2 . OH II. wherein Rf has the same meaning as in formula I, with chlorine under exposure to UV radiation, in the presence of an inert organic solvent, at temperatures of from -20°C to +120°C. These acetyl chlorides are intermediates for the preparation of the corresponding esters with polyglycols which serve as dry cleaning detergents.

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