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A Cyclic Phosphonium Ion with an Asymmetrically Substituted Selenide‐Stabilized Silicon Center: Synthesis, Structure, and Substituent Effects

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Fontana, Nicolò ; Bauer, Jonathan O.
Date of publication of this fulltext: 17 Jul 2023 11:55

This publication is part of the DEAL contract with Wiley.


A new heterocyclic four-membered CPSeSi cation was synthesized in its racemic form by B(C6F5)3-mediated ring-closing reaction starting from the hydrosilane precursor. The cation has an asymmetrically substituted silicon center, which is stabilized by a selenium–silicon bond. The phosphonium hydroborate and its precursor were characterized by single-crystal X-ray diffraction analysis and NMR ...


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