Process for the preparation of perfluoropropene oxide

Details Process for the preparation of perfluoropropene oxide Process for the preparation of perfluoropropene oxide

C - Chemistry, Metallurgy

07

D

260/371

C07D 301/12 (2006.01) C07D 303/48 (2006.01)

Patent

CA 1218665

A B S T R A C T There is described an improved process for the pre- paration of perfluoropropene oxide by the reaction of perfluoropropene with hydrogen peroxide in an aqueous al kaline medium, characterized in that said reaction is con ducted in the presence of a phase-transfer catalyst cho- sen from between quaternary ammonium or phosphonium salts and lipophilic complexing agents for cations, and in that the alkalinization of the reaction mixture is carried out in a gradual way so as to maintain the reaction tempera- ture constant at a value comprised between -10°C and -60°C.

468538

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