Single-Electron-Transfer Oxidation of Trifluoroborates and Silicates with Organic Reagents: A Comparative Study

Abstract : In this report, the single-electron-transfer oxidation of alkyl trifluoroborates and silicates has been studied. Different types of oxidation reagents have been examined, focusing on organic oxidants and particularly the use of dyes in photocatalytic oxidations. Both trifluoroborates and silicates could provide C-centered radicals when using a tritylium salt or the Ledwith–Weitz aminium salt. Photocatalysis with the Fukuzumi reagent suggested that trifluoroborates are more easily oxidized than biscatecholato silicates under these conditions.
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Ludwig Chenneberg, Christophe Lévêque, Vincent Corcé, Alexandre Baralle, Jean-Philippe Goddard, et al.. Single-Electron-Transfer Oxidation of Trifluoroborates and Silicates with Organic Reagents: A Comparative Study. SYNLETT, Georg Thieme Verlag, 2016, 27 (05), pp.731-735. ⟨10.1055/s-0035-1561337⟩. ⟨hal-01301996⟩

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