Donor-Stabilized Silylene/Phosphine-Supported Carbon(0) Center with High Electron Density

T Troadec, T Wasano, R Lenk, A Baceiredo, N Saffon-Merceron, D Hashizume, Y Saito, N Nakata, V Branchadell, T Kato

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12 Citations (Scopus)


© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim An isolable donor-stabilized silavinylidene phosphorane was synthesized. This molecule, which can also be regarded as a new carbon(0) complex featuring a phosphine and a donor-stabilized silylene ligand, presents a central carbon atom with a remarkably high electron density (−1.82). Furthermore, the experimental electron-density study of this compound demonstrates the delocalization of the σ-lone pair at the central carbon atom toward the silicon center, a feature which is remarkably different from electronic situation of other bent-allene-type molecules. This result clearly demonstrates the powerful electron-donating ability of donor-stabilized silylene ligands, as well as their excellent electron-acceptor properties.
Original languageEnglish
Pages (from-to)6891-6895
JournalAngewandte Chemie - International Edition
Issue number24
Publication statusPublished - 1 Jan 2017


  • allenes
  • density functional calculations
  • silylenes
  • structure elucidation
  • ylides


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