Issue 10, 2011
From the journal:

Chemical Communications

N-Heterocyclic carbene (NHC) ligands annulated to free-base porphyrins: modulation of the electronic properties of the NHC upon protonation or metallation of the porphyrin†

Jean-François Lefebvre,a   Mamadou Lo,a   Dominique Leclercqa  and  Sébastien Richeter*a  

* Corresponding authors

a Institut Charles Gerhardt Montpellier ICGM, UMR 5253 CNRS-ENSCM-UM2-UM1, Université Montpellier 2, Place Eugène Bataillon, Bâtiment 17, CC1701, 34095 Montpellier Cedex 5, France
E-mail: sricheter@univ-montp2.fr
Fax: +33 4 6714 3852

Abstract

NHC ligands annulated to free-base porphyrins can be reversibly switched between electron-poor and electron-rich states upon protonation and deprotonation of the inner nitrogen atoms of the porphyrin. Metallation of the macrocycle with nickel(II) locks the peripheral NHC ligand in its electron-rich state.

Graphical abstract: N-Heterocyclic carbene (NHC) ligands annulated to free-base porphyrins: modulation of the electronic properties of the NHC upon protonation or metallation of the porphyrin

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DOI
https://doi.org/10.1039/C0CC05052K
Article type
Communication
Submitted
19 Nov 2010
Accepted
23 Dec 2010
First published
19 Jan 2011

Chem. Commun., 2011,47, 2976-2978

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N-Heterocyclic carbene (NHC) ligands annulated to free-base porphyrins: modulation of the electronic properties of the NHC upon protonation or metallation of the porphyrin

J. Lefebvre, M. Lo, D. Leclercq and S. Richeter, Chem. Commun., 2011, 47, 2976 DOI: 10.1039/C0CC05052K

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