Alkyl radicals are obtained by photocatalytic oxidation of readily prepared or commercially available zinc sulfinates. The convenient benzylation and alkylation of a variety of electron-poor olefins triggered by the iridium(III) complex 6 Ir[dF(CF3)ppy]2(dtbbpy)PF6as photocatalyst is described. Moreover, it is shown that zinc sulfinates can be used for facile nonradical sulfonylation reactions with highly electrophilic Michael acceptors.
Photocatalytic Radical Alkylation of Electrophilic Olefins by Benzylic and Alkylic Zinc-Sulfinates / Gualandi, Andrea; Mazzarella, Daniele; Ortega-MartÃnez, Aitor; Mengozzi, Luca; Calcinelli, Fabio; Matteucci, Elia; Monti, Filippo; Armaroli, Nicola; Sambri, Letizia; Cozzi, Pier Giorgio. - In: ACS CATALYSIS. - ISSN 2155-5435. - ELETTRONICO. - 7:8(2017), pp. 5357-5362. [10.1021/acscatal.7b01669]
Photocatalytic Radical Alkylation of Electrophilic Olefins by Benzylic and Alkylic Zinc-Sulfinates
Gualandi, Andrea
;Mengozzi, Luca;Matteucci, Elia;Sambri, Letizia;Cozzi, Pier Giorgio
2017
Abstract
Alkyl radicals are obtained by photocatalytic oxidation of readily prepared or commercially available zinc sulfinates. The convenient benzylation and alkylation of a variety of electron-poor olefins triggered by the iridium(III) complex 6 Ir[dF(CF3)ppy]2(dtbbpy)PF6as photocatalyst is described. Moreover, it is shown that zinc sulfinates can be used for facile nonradical sulfonylation reactions with highly electrophilic Michael acceptors.| File | Dimensione | Formato | |
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