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Issue 34, 2015
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Synthesis, structural studies and ligand influence on the stability of aryl-NHC stabilised trimethylaluminium complexes

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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.

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

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Supplementary files

Article information


Submitted
08 Jan 2015
Accepted
13 Feb 2015
First published
13 Feb 2015

This article is Open Access

Dalton Trans., 2015,44, 15166-15174
Article type
Paper
Author version available

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

M. Wu. M, A. M. Gill, L. Yunpeng, L. Falivene, L. Yongxin, R. Ganguly, L. Cavallo and F. García, Dalton Trans., 2015, 44, 15166
DOI: 10.1039/C5DT00079C

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