Isolation and Reactivity of Stannylenoids Stabilized by Amido/Imino Ligands

Xuan Xuan Zhao, Shiori Fujimori, John A. Kelly, Shigeyoshi Inoue

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The reaction of the lithium aryl(silyl)amide Dipp(iPr3Si)NLi (Dipp=2,6-iPr2C6H3) with one equivalent of SnCl2 in THF gave a novel stannylenoid Dipp(iPr3Si)NSnCl⋅LiCl(THF)2. Heating the solution of amidostannylenoid in toluene to 80 °C resulted in dimeric amido(chloro)stannylene [Dipp(iPr3Si)NSnCl]2, which can be converted to bis(amido)stannylene Sn[N(Dipp)(iPr3Si)]2 and amido(imino)stannylene Sn[N(Dipp)(iPr3Si)][IPrN] (IPrN=bis(2,6-diisopropylphenyl)imidazolin-2-imino). Treatment of bis(imino)stannylenoid [IPrN]2Sn(Cl)Li with N2O resulted in the dimeric complex [IPrNSn(Cl)OLi]2. All compounds were characterized by NMR, elementary analysis, and X-ray structural determination.

Original languageEnglish
Article numbere202202712
JournalChemistry - A European Journal
Volume29
Issue number2
DOIs
StatePublished - 9 Jan 2023

Keywords

  • N-donor ligands
  • low-coordinate compounds
  • oxidation
  • stannylene
  • stannylenoid

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