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Angew Chem Int Ed Engl. 2016 Jan 26;55(5):1690-3. doi: 10.1002/anie.201508303. Epub 2015 Dec 08.

Iron- and Cobalt-Catalyzed Synthesis of Carbene Phosphinidenes.

Angewandte Chemie (International ed. in English)

Kuntal Pal, Oliver B Hemming, Benjamin M Day, Thomas Pugh, David J Evans, Richard A Layfield

Affiliations

  1. School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
  2. Department of Chemistry, University of Hull, Hull, HU6 7RX, UK.
  3. School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK. [email protected].

PMID: 26643712 PMCID: PMC5064616 DOI: 10.1002/anie.201508303

Abstract

In the presence of stoichiometric or catalytic amounts of [M{N(SiMe3 )2 }2 ] (M=Fe, Co), N-heterocyclic carbenes (NHCs) react with primary phosphines to give a series of carbene phosphinidenes of the type (NHC)⋅PAr. The formation of (IMe4 )⋅PMes (Mes=mesityl) is also catalyzed by the phosphinidene-bridged complex [(IMe4 )2 Fe(μ-PMes)]2 , which provides evidence for metal-catalyzed phosphinidene transfer.

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: N-heterocyclic carbenes; catalysis; cobalt; iron; phosphorus

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