The elusive silyliumylidene [ClSi:] + and silathionium [ClSi=S] + cations stabilized by bis(Iminophosphorane) chelate ligand

Yun Xiong, Shenglai Yao, Shigeyoshi Inoue, Elisabeth Irran, Matthias Driess

Research output: Contribution to journalArticlepeer-review

78 Scopus citations

Abstract

Donor-acceptor trumps: The chlorosilyliumylidene salt 2 with a three-coordinate silicon(II) atom is accessible through ligand exchange between NHC-SiCl 2 and the electron-rich bis(ylide) ligand 1. The cation in 2 represents a donor-stabilized form of the elusive [ClSi:] cation and could be fully characterized, including X-ray diffraction analysis. Oxidation of 2 with elemental sulfur furnished 3 as the sole product.

Original languageEnglish
Pages (from-to)10074-10077
Number of pages4
JournalAngewandte Chemie International Edition in English
Volume51
Issue number40
DOIs
StatePublished - 1 Oct 2012
Externally publishedYes

Keywords

  • chelates
  • silathione
  • silicon
  • silylene
  • sulfur

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