Process for preparing fluorinated vinyl ethers

Details Process for preparing fluorinated vinyl ethers Process for preparing fluorinated vinyl ethers

C - Chemistry, Metallurgy

25

B

204/43.5

C25B 3/00 (2006.01) C25B 3/04 (2006.01)

Patent

CA 1327766

Abstract A Process for Preparing fluorinated vinyl ethers The invention relates to a process for preparing compounds of the formula (I) R1-O-CF=CF2 by elimination of halogen atoms from compounds of the formula (II) Image by electrolysis. The compounds of the formula (II) are electrolyzed in an undivided or divided electrolysis cell in an organic liquid which can also contain water at a temperature from -20°C to the boiling temperature of the electrolyte or catholyte at a current density of 1-500 mA/cm2 at a cathode made of lead, cadmium, zinc, copper, tin, zirconium, mercury, alloys of these metals or carbon.

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