Synthesis, structural studies and ligand influence on the stability of aryl-NHC stabilised trimethylaluminium complexes

Melissa Wu. M, Arran M. Gill, Lu Yunpeng, Laura Falivene, Li Yongxin, Rakesh Ganguly, Luigi Cavallo, Felipe García*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Treatment of a series of aromatic NHCs (IMes, SIMes, IPr and SIPr) with trimethylaluminium produced their corresponding Lewis acid-base adducts: IMes·AlMe3 (1), SIMes·AlMe3 (2), IPr·AlMe3 (3), and SIPr·AlMe3 (4). These complexes expand the few known examples of saturated NHC stabilised Group 13 complexes. Furthermore, compounds 1-4 show differential stability depending on the nature of the NHC ligand. Analyses of topographic steric maps and NHC %VBur were used to explain these differences. All the compounds have been fully characterised by multinuclear NMR spectroscopy, IR and single crystal X-ray analysis together with computational studies.

Original languageEnglish (US)
Pages (from-to)15166-15174
Number of pages9
JournalDalton Transactions
Volume44
Issue number34
DOIs
StatePublished - Feb 13 2015

ASJC Scopus subject areas

  • Inorganic Chemistry

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