Journal of the Chemical Society. Perkin transactions I p. 429 - 434 (1980)
Update date:2022-08-03
Topics:
Chambers, Richard D.
Taylor, Graham
Powell, Richard L.
Unlike perfluorocyclobutene, perfluorocyclo-pentene and -hexene do not form oligomers with pyridine.A range of oligomers is obtained from mixtures of perfluorocycloalkenes in reactions initiated by caesium fluoride.Products are also obtained from perfluorocycloalkenes with perfluoropropene and between perfluorocyclobutene and perfluorobut-2-ene.A variation is obseved in the balance between exo- and endo-isomers of perfluorocycloalkene oligomers.It is concluded that conformational interactions dominate the position of equilibrium, exept with four-membered rings, where angle strain is also important.
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