Coordination Complexes of Ph3Sb2+ and Ph3Bi2+: Beyond Pnictonium Cations

The syntheses of salts containing ligand‐stabilized Ph3Sb2+ and Ph3Bi2+ dications have been realized by in situ formation of Ph3Pn(OTf)2 (Pn=Sb or Bi) and subsequent reaction with OPPh3, dmap and bipy. The solid‐state structures demonstrate diversity imposed by the steric demands and nature of the l...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2014-03, Vol.53 (13), p.3480-3483
Main Authors: Robertson, Alasdair P. M., Burford, Neil, McDonald, Robert, Ferguson, Michael J.
Format: Article
Language:English
Subjects:
coordination chemistry
Lewis acids
main group elements
pnictogens
polycations
Online Access:Get full text
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Summary:The syntheses of salts containing ligand‐stabilized Ph3Sb2+ and Ph3Bi2+ dications have been realized by in situ formation of Ph3Pn(OTf)2 (Pn=Sb or Bi) and subsequent reaction with OPPh3, dmap and bipy. The solid‐state structures demonstrate diversity imposed by the steric demands and nature of the ligands. The synthetic method has the potential for broad application enabling widespread development of the coordination chemistry for PnV acceptors. A coordinated effort: The synthesis and characterization of OPPh3, dmap (4‐(dimethylamino)pyridine), and bipy (2,2′‐bipyridine) complexes of SbV and BiV are reported. The solid‐state structures demonstrate structural diversity driven by the steric demands and the nature of the ligands.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201310613