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Chem Commun (Camb). 2016 Jul 28;52(63):9789-92. doi: 10.1039/c6cc04161b.

Bis(carbodicarbene)phosphenium trication: the case against hypervalency.

Chemical communications (Cambridge, England)

Nemanja Đorđević, Rakesh Ganguly, Milena Petković, Dragoslav Vidović

Affiliations

  1. SPMS-Department of Chemisquery try and Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore. [email protected].
  2. Faculty of Physical Chemistry, University of Belgrade, 11000 Belgrade, Republic of Serbia.

PMID: 27417223 DOI: 10.1039/c6cc04161b

Abstract

The first example of a phosphenium trication has been prepared by using the exceptional nucleophilic properties of a carbodicarbene ligand. According to theoretical investigations the trication contains quite polarized P-C bonds suggesting a substantial contribution from the dative bond model. As one of the resonance forms for the title compound depicted a hypervalent phosphoranide we also showed that phosphoranides, in general, do not contain a hypervalent P centre.

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