Structures and Suzuki-Coupling of N-Heterocyclic Carbene Complexes of PdII with Coordinated Solvent and PPh3

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Contents Vol 62(9)

doi:10.1071/CH09196

Structures and Suzuki-Coupling of N-Heterocyclic Carbene Complexes of Pd^II with Coordinated Solvent and PPh₃

Swee Kuan Yen ^A, Lip Lin Koh ^A, Han Vinh Huynh ^A, T. S. Andy Hor ^A ^B

^A Department of Chemistry, National University of Singapore, Kent Ridge, 117543, Singapore.
^B Corresponding author. Email: andyhor@nus.edu.sg





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Australian Journal of Chemistry 62(9) 1047–1053 http://dx.doi.org/10.1071/CH09196
Submitted: 7 April 2009 Accepted: 25 May 2009 Published online: 17 September 2009

Abstract

A series of mononuclear N,N-heterocyclic carbene (NNHC) complexes of Pd^II with mixed ligands of 1,3-dibenzylbenzimidazoly-2-ylidene and solvate (dimethyl sulfoxide, CH₃CN, N,N-dimethylformamide, and pyridine) or PPh₃ were prepared and characterized by X-ray single-crystal diffraction analysis. They are more active in the Suzuki–Miyaura coupling of selected aryl bromides than their N,S-heterocyclic carbene (NSHC) analogues.