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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 190, 2015 - Issue 5-6: 20th International Conference on Phosphorus Chemistry (ICPC-2014)
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Original Articles

Π-Rich σ2P-Ligands: Unusual Coordination Behavior of 1H-1,3-Benzazaphospholes Toward Late Transition Metals

Joachim W. HeinickeInstitut für Biochemie (Anorganische Chemie), EMA-Universität Greifswald, GermanyCorrespondence[email protected]
,
Mohammed GhalibInstitut für Biochemie (Anorganische Chemie), EMA-Universität Greifswald, Germany
,
Carola SchulzkeInstitut für Biochemie (Bioanorganische Chemie), EMA-Universität Greifswald, Germany
,
Peter G. JonesInstitut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Germany
,
László KönczölDepartment of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics, Hungary
&
László NyuásziDepartment of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics, Hungary
Pages 806-815 | Received 23 Aug 2014, Accepted 30 Oct 2014, Published online: 01 Jul 2015
 
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GRAPHICAL ABSTRACT

Abstract

Coordination chemical studies of 1H-1,3-benzazaphospholes, π-excess aromatic σ2P-ligands, demonstrate similar ligand properties to those of phosphabenzenes toward MVI(CO)n but marked differences toward nonzerovalent transition metals. Benzazaphosphole d8-metal halide complexes are more strongly destabilized and undergo consecutive reactions, whereas benzazaphosphole coinage metal halide and HgCl2 complexes generally display μ2P- and/or bent η1P-coordination with π-P donor bond contribution, contrasting with the preference of phosphinine CuX complexes for η1P-coordination within the ring plane.

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