Issue 8, 2002
From the journal:

Journal of the Chemical Society, Dalton Transactions

An unexpected transamination of bis[bis(trimethylsilyl)amido]zinc with dibenzylamine to form bis(dibenzylamido)zinc: structural studies by NMR spectroscopy, X-ray crystallography and theoretical calculations

David R. Armstrong,a   Glenn C. Forbes,*a   Robert E. Mulvey,*a   William Cleggb  and  Duncan M. Tookeb  

* Corresponding authors

a Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow, UK
E-mail: r.e.mulvey@strath.ac.uk

b Department of Chemistry, University of Newcastle, Newcastle-Upon-Tyne, UK

Abstract

The transamination of bis[bis(trimethylsilyl)amido]zinc with two molar equivalents of dibenzylamine in benzene solution yields the dimeric, homoleptic, zinc bis(amide) [{(PhCH2)2N}2Zn]2·C6H61. Characterisation of compound 1 has been performed by single-crystal X-ray diffraction, 1H/13C NMR spectroscopy, IR spectroscopy, melting point and elemental analysis. Variable concentration 1H NMR spectroscopic studies have shown a dynamic monomer–dimer equilibrium in arene solution. Compound 1 is compared to the previously reported, isostructural magnesium analogue and other known zinc bis(amide) compounds. Theoretical calculations have been carried out at both SCF and DFT levels to probe the energetics involved in the transamination process.

Graphical abstract: An unexpected transamination of bis[bis(trimethylsilyl)amido]zinc with dibenzylamine to form bis(dibenzylamido)zinc: structural studies by NMR spectroscopy, X-ray crystallography and theoretical calculations

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Article information

DOI
https://doi.org/10.1039/B110696A
Article type
Paper
Submitted
22 Nov 2001
Accepted
05 Feb 2002
First published
26 Mar 2002

J. Chem. Soc., Dalton Trans., 2002, 1656-1661

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An unexpected transamination of bis[bis(trimethylsilyl)amido]zinc with dibenzylamine to form bis(dibenzylamido)zinc: structural studies by NMR spectroscopy, X-ray crystallography and theoretical calculations

D. R. Armstrong, G. C. Forbes, R. E. Mulvey, W. Clegg and D. M. Tooke, J. Chem. Soc., Dalton Trans., 2002, 1656 DOI: 10.1039/B110696A

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