Issue 7, 2011
From the journal:

Chemical Communications

C–H activation of 2,4,6-triphenylphosphinine: unprecedented formation of cyclometalated [(P⁁C)Ir(iii)] and [(P⁁C)Rh(iii)] complexes†‡

Leen E. E. Broeckx,a   Martin Lutz,b   Dieter Vogta  and  Christian Müller*a  

* Corresponding authors

a Department of Chemical Engineering and Chemistry, Laboratory of Homogeneous Catalysis and Coordination Chemistry, Eindhoven University of Technology, Eindhoven, The Netherlands
E-mail: c.mueller@tue.nl
Fax: +31 40-2455054
Tel: +31 40-2474679

b Bijvoet Center for Biomolecular Research, Crystal and Structural Chemistry, Utrecht University, The Netherlands

Abstract

An unprecedented C–H activation of 2,4,6-triphenylphosphinine by Ir(III) and Rh(III) has been observed. Time-dependent 31P{1H} NMR spectroscopy gave insight into the cyclometalation reaction and the corresponding coordination compounds were characterized by means of X-ray crystallography. In contrast, 2,4,6-triphenylpyridine does not show any ortho-metalation, demonstrating a remarkable difference in reactivity between these two structurally related aromatic heterocycles.

Graphical abstract: C–H activation of 2,4,6-triphenylphosphinine: unprecedented formation of cyclometalated [(P⁁C)Ir(iii)] and [(P⁁C)Rh(iii)] complexes

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Article information

DOI
https://doi.org/10.1039/C0CC04660D
Article type
Communication
Submitted
28 Oct 2010
Accepted
03 Dec 2010
First published
23 Dec 2010

Chem. Commun., 2011,47, 2003-2005

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C–H activation of 2,4,6-triphenylphosphinine: unprecedented formation of cyclometalated [(P⁁C)Ir(III)] and [(P⁁C)Rh(III)] complexes

L. E. E. Broeckx, M. Lutz, D. Vogt and C. Müller, Chem. Commun., 2011, 47, 2003 DOI: 10.1039/C0CC04660D

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