Synthesis of Aromatic Sulfones from SO2 and Organosilanes, Under Metal-free Conditions

Niklas von Wolff 1 Joëlle Char 1 Xavier Frogneux 1 Thibault Cantat 1
1 LCMCE - Laboratoire de Chimie Moléculaire et de Catalyse pour l'Energie (ex LCCEF)
NIMBE UMR 3685 - Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Energie (ex SIS2M)
Abstract : The conversion of SO2 to arylsulfones has been achieved for the first time under metal-free conditions, by reacting SO2 with (hetero)arylsilanes and alkylhalides, in the presence of a fluoride source. The mechanism of this transformation has been elucidated based on DFT calculations, which highlight the influence of SO2 in promoting C–Si bond cleavage.
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Niklas von Wolff, Joëlle Char, Xavier Frogneux, Thibault Cantat. Synthesis of Aromatic Sulfones from SO2 and Organosilanes, Under Metal-free Conditions. Angewandte Chemie International Edition, Wiley-VCH Verlag, 2017, 56, pp.5616-5619. ⟨10.1002/anie.201702311⟩. ⟨cea-01510322⟩

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