Preparation of perfluoro-(1,2-dialkylcyclopentenes) and their photochemical isomerisation to perfluoro(1-alkenyl-1-alkylcyclopropanes)
Abstract
Perfluoro-(1,2-dialkylcyclopentenes), conveniently prepared by the co-oligomerisation of a perfluoroalkene and perfluorocyclopentene, and photolysed in the liquid phase, undergo a 1,3-allylic shift to give the isomeric perfluoro-(1-alkenyl-1-alkylcyclopropanes) in high yield.
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