Issue 28, 2010
From the journal:

Chemical Communications

Ni(i) and Ni(ii) ring-expanded N-heterocyclic carbene complexes: C–H activation, indole elimination and catalytic hydrodehalogenation†

Caroline J. E. Davies,a   Michael J. Page,a   Charles E. Ellul,a   Mary F. Mahona  and  Michael K. Whittlesey*a  

* Corresponding authors

a Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK
E-mail: chsmkw@bath.ac.uk
Fax: +44 (0)1225 386231
Tel: +44 (0)1225 383748

Abstract

Reaction of the bulky 6-membered N-heterocyclic carbene 6-Mes with Ni(cod)2 gives a C–H activated 6-Mes nickel(II) complex, but the novel three-coordinate Ni(I) species Ni(6-Mes)(PPh3)Br if the reaction is performed in the presence of Ni(PPh3)2Br2. The Ni(I) complex is a precursor for the catalytic hydrodehalogenation of aryl halides.

Graphical abstract: Ni(i) and Ni(ii) ring-expanded N-heterocyclic carbene complexes: C–H activation, indole elimination and catalytic hydrodehalogenation

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Article information

DOI
https://doi.org/10.1039/C0CC01335H
Article type
Communication
Submitted
10 May 2010
Accepted
07 Jun 2010
First published
18 Jun 2010

Chem. Commun., 2010,46, 5151-5153

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Ni(I) and Ni(II) ring-expanded N-heterocyclic carbene complexes: C–H activation, indole elimination and catalytic hydrodehalogenation

C. J. E. Davies, M. J. Page, C. E. Ellul, M. F. Mahon and M. K. Whittlesey, Chem. Commun., 2010, 46, 5151 DOI: 10.1039/C0CC01335H

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