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- W1973455936 abstract "Perfluoroalkyl-chalcogenation of olefins has been performed by the reaction of chalcogenide anions with perfluoroalkylhalides (Rf-X) in the presence of olefins. Chalcogenide anion cleaves reductively the carbon-halogen bond of Rf-X, generating perfluoroalkyl radicals which undergo addition to CC bond. The intermediate perfluoroalkylated radicals(3) react with ArY - via S RN 1 mechanism, propagating a chain reaction. The reactivity of the chalcogenide anion increases in the order of ArS − <ArSe − <ArTe − . Thus, telluride anion initiates the reaction even at −40°C. Because of the higher reactivity of selenide than thiolate, the selenide smoothly catalyzes perfluoroalkyl- sulfenylation. The catalytic cycle is shown in the following scheme." @default.
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- W1973455936 date "1991-09-01" @default.
- W1973455936 modified "2023-09-27" @default.
- W1973455936 title "Perfluoroalkyl-chalcogenation of olefins" @default.
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- W1973455936 doi "https://doi.org/10.1016/s0022-1139(00)83746-x" @default.
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