α-Perfluoroalkyl-β-alkynylation of alkenes via radical alkynyl migration
Transition metal-free radical α-perfluoroalkylation with concomitant β-alkynylation of
unactivated alkenes is presented. These cascades proceed via electron-catalysis and
comprise a radical 1, 4-or 1, 5-alkynyl migration from tertiary propargylic alcoholates to
secondary or tertiary C-radicals as the key step. Alkynyl migration leads to a ketyl radical
anion that sustains the chain as a single electron transfer reducing reagent.
unactivated alkenes is presented. These cascades proceed via electron-catalysis and
comprise a radical 1, 4-or 1, 5-alkynyl migration from tertiary propargylic alcoholates to
secondary or tertiary C-radicals as the key step. Alkynyl migration leads to a ketyl radical
anion that sustains the chain as a single electron transfer reducing reagent.
Transition metal-free radical α-perfluoroalkylation with concomitant β-alkynylation of unactivated alkenes is presented. These cascades proceed via electron-catalysis and comprise a radical 1,4- or 1,5-alkynyl migration from tertiary propargylic alcoholates to secondary or tertiary C-radicals as the key step. Alkynyl migration leads to a ketyl radical anion that sustains the chain as a single electron transfer reducing reagent.
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