Journal of Fluorine Chemistry p. 107 - 132 (1982)
Update date:2022-08-11
Topics:
Muffler, Herbert
Siegemund, Guenter
Schwertfeger, Werner
4.5-Perfluoro-1.3-dioxolanes 2 are available by reaction of 2(α-chloroalkoxy)perfluoro-carbonyl halides 3 or -ketone 9 with fluoride ions.A mechanism for the intramolecular ring-closure-reaction is proposed.Hydrogen atoms at C-2 in 2 can be exchanged photochemically by chlorine.Starting from the 2-monochloro-derivatives 16 the 2-monofluoro-4.5-perfluoro-1.3-dioxolanes 18 are formed by reaction with triethylamine-hydrofluoride.
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