Arylgold(I) Complexes from Base-Assisted Transmetalation: Structures, NMR Properties, and Density-Functional Theory Calculations

The synthesis of gold(I) complexes of the type LAuR (L = PCy3, IPr; R = aryl; IPr = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) starting from LAuX (X = Br, OAc) and boronic acids in the presence of Cs2CO3 has been investigated. The reactions proceed smoothly in good to excellent yields over th...

Full description

Saved in:
Bibliographic Details
Published in:Inorganic chemistry 2012-08, Vol.51 (15), p.8394-8401
Main Authors: Partyka, David V, Zeller, Matthias, Hunter, Allen D, Gray, Thomas G
Format: Article
Language:English
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The synthesis of gold(I) complexes of the type LAuR (L = PCy3, IPr; R = aryl; IPr = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) starting from LAuX (X = Br, OAc) and boronic acids in the presence of Cs2CO3 has been investigated. The reactions proceed smoothly in good to excellent yields over the course of 24–48 h in isopropyl alcohol at 50–55 °C. The aryl groups include a variety of functionalities and steric bulk, and in two cases, are heterocyclic. All of the products have been characterized by multinuclear NMR spectroscopy and elemental analysis and most by X-ray crystallography. This work affirms that, almost without exception, base-assisted auration is a useful and reliable way to form gold–carbon bonds.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic3009464