Abstract
The thermal and photochemical reaction between fluorinated and polysubstituted perfluoroalkyl olefins are studied. The pattern of products confirms the mechanism previously outlined for hexafluoropropene trimers [1] : branched perfluoroalkanes are synthesized through subsequent elimination-readdition steps on long lived radical intermediates.The rate and selectivity of fluorination are tightly related to the experimental parameters and the olefins used, and hence to the stability of intermediate radicals.All products were identified by glc/ms and nmr 19F analyses. Epr spectra of some intermediates will be presented.
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