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Journal Articles Angewandte Chemie International Edition Year : 2019

Evidence of Phosphonium-Carbenium Dication Formation in a Superacid: Precursor to Fluorinated Phosphine Oxides

Abstract

Unambiguously confirmed by low‐temperature in situ NMR experiments, X‐ray diffraction and vibrational spectroscopy, phosphonium‐carbenium superelectrophiles are shown to be generated in strong acidic conditions. Representing crucial intermediates, their exploitation allows for the synthesis of unprecedented fluorinated (cyclic) phosphine oxides.
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hal-02159927 , version 1 (19-06-2019)

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Ugo Castelli, Jean-François Lohier, Ines Drukenmüller, Agnès Mingot, Christian Bachman, et al.. Evidence of Phosphonium-Carbenium Dication Formation in a Superacid: Precursor to Fluorinated Phosphine Oxides. Angewandte Chemie International Edition, 2019, 58 (5), pp.1355-1360. ⟨10.1002/anie.201811032⟩. ⟨hal-02159927⟩
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