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Carbon-carbon and carbon-chlorine bond formation on reaction of iodine(III) reagents with the bis(alkynyl)palladium(II) motif, and structural chemistry of trans-Pd(CΞC-o-Tol)2(PMe2Ph)2] and trans-[PdCl(CΞC-o-Tol)(PMe2Ph)2]

Citation

Sharma, M and Canty, AJ and Gardiner, MG and Jones, RC, Carbon-carbon and carbon-chlorine bond formation on reaction of iodine(III) reagents with the bis(alkynyl)palladium(II) motif, and structural chemistry of trans-Pd(CΞC-o-Tol)2(PMe2Ph)2] and trans-[PdCl(CΞC-o-Tol)(PMe2Ph)2], Journal of Organometallic Chemistry, 696, (7) pp. 1441-1444. ISSN 0022-328X (2011) [Refereed Article]


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DOI: doi:10.1016/j.jorganchem.2011.01.018

Abstract

Trans-di(ortho-tolylethynyl)bis(dimethylphenylphosphine)palladium(II) reacts above -20 degrees C with the iodoniumreagent IPhCl(2) to give predominantly o-Tol-C equivalent to C-Cl, above 15 degrees C with IPh(2)(OTf) (OTf=triflate) to give o-Tol-C C-Ph and (o-Tol-C C)(2) in ca. 3:1 ratio, and above 10 degrees C with IPh(C R)(OTf) (R = Bu(t), SiMe(3)) to give predominantly o-Tol-C C-C C-R and (o-Tol-C C)(2). (31)P NMR spectra provide evidence for detection of intermediates. The complexes trans-[Pd(C C-o-Tol)(2)(PMe(2)Ph)(2)] and trans-[PdCl (C C-o-Tol)(PMe(2)Ph)(2)] are obtained on reaction of trans-[PdCl(2)(PMe(2)Ph)(2)] with Li(C C-o-Tol) and o-Tol-C CH/Et(3)N, respectively, and have been characterised by X-ray crystallography.

Item Details

Item Type:Refereed Article
Research Division:Chemical Sciences
Research Group:Other Chemical Sciences
Research Field:Organometallic Chemistry
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Chemical Sciences
Author:Sharma, M (Dr Manab Sharma)
Author:Canty, AJ (Professor Allan Canty)
Author:Gardiner, MG (Associate Professor Michael Gardiner)
Author:Jones, RC (Dr Roderick Jones)
ID Code:72633
Year Published:2011
Web of Science® Times Cited:5
Deposited By:Chemistry
Deposited On:2011-08-30
Last Modified:2017-10-25
Downloads:0

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