N-Heterocyclic carbenes        versus transition metals for stabilizing phosphinyl radicals

Olivier Back; Bruno Donnadieu; Moritz von Hopffgarten; Susanne Klein; Ralf Tonner; Gernot Frenking; Guy Bertrand

doi:10.1039/C1SC00027F

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N-Heterocyclic carbenesversus transition metals for stabilizing phosphinyl radicals†

Olivier Back,^a Bruno Donnadieu,^a Moritz von Hopffgarten,^b Susanne Klein,^b Ralf Tonner,^b Gernot Frenking^b and Guy Bertrand*^a

Author affiliations

* Corresponding authors

^a UCR-CNRS Joint Research Chemistry Laboratory (UMI 2957), Department of Chemistry, University of California, Riverside, California, USA
E-mail: guy.bertrand@ucr.edu
Fax: +1 202 354 5267
Tel: +1 951 827 2719

^b Fachbereich Chemie, Philipps-Universitat Marburg, Hans-Meerwein-Strasse, Marburg, Germany
E-mail: frenking@staff.uni-marburg.de

Abstract

It is shown that vanadium-iminato ligands are more efficient than imidazolidin-2-iminato substituents to delocalize the spin density from a phosphorus nucleus. However, the latter is stabilizing enough to allow for the isolation and characterization in the liquid and solid states of a neutral phosphinyl radical.

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Article information

DOI: https://doi.org/10.1039/C1SC00027F
Article type: Edge Article
Submitted: 18 Jan 2011
Accepted: 27 Jan 2011
First published: 18 Feb 2011

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Chem. Sci., 2011,2, 858-861

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N-Heterocyclic carbenes versus transition metals for stabilizing phosphinyl radicals

O. Back, B. Donnadieu, M. von Hopffgarten, S. Klein, R. Tonner, G. Frenking and G. Bertrand, Chem. Sci., 2011, 2, 858 DOI: 10.1039/C1SC00027F

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