Exceptionally Strong Electron-Donating Ability of Bora-Ylide Substituent vis-à-vis Silylene and Silylium Ion

Alfredo Rosas-Sánchez, Isabel Alvarado-Beltran, Antoine Baceiredo, Nathalie Saffon-Merceron, Stéphane Massou, Vicenç Branchadell, Tsuyoshi Kato

Research output: Contribution to journalArticleResearchpeer-review

20 Citations (Scopus)

Abstract

© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Electropositive boron-based substituent (phosphonium bora-ylide) with an exceptionally strong π- and σ-electron donating character dramatically increases the stability of a new type of N-heterocyclic silylene 2 featuring amino- and bora-ylide-substituents. Moreover, the related silylium ion 4 and transition-metal–silylene complexes, with trigonal-planar geometries around the silicon center, are also well stabilized. Therefore, the N,B-heterocyclic silylene 2 can be used as a strongly electron-donating innocent ligand in coordination chemistry similarly to N-heterocyclic carbenes.
Original languageEnglish
Pages (from-to)10549-10554
JournalAngewandte Chemie - International Edition
Volume56
Issue number35
DOIs
Publication statusPublished - 1 Jan 2017

Keywords

  • bora-ylides
  • coordination chemistry
  • ligands
  • silylenes
  • silylium ion

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