Synthesis of mixed NHC/L platinum(II) complexes: Restricted rotation of the NHC group

Newman, C.P., Deeth, R.J., Clarkson, G.J. and Rourke, J.P. ORCID: https://orcid.org/0000-0002-8961-1021 2007. Synthesis of mixed NHC/L platinum(II) complexes: Restricted rotation of the NHC group. Organometallics 26 (25) , pp. 6225-6233. 10.1021/om700671y

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Abstract

The use of (NHC)AgX salts as transmetallating agents for platinum can be tuned to introduce either one or two NHC ligands per platinum in high yield. Complexes with a single NHC ligand are prepared with an additional DMSO ligand, which can conveniently be replaced by other ligands such as phosphines to give mixed cis NHC/phosphine complexes. Variable-temperature NMR and DFT have been used to probe the nature of the restricted rotation of the NHC ligand about the square planar platinum center:  experimentally, the barrier has been established as at least 85 kJ mol-1, and the computational value has been determined to be 92 kJ mol-1.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry
Publisher:	American Chemical Society
ISSN:	0276-7333
Last Modified:	03 Apr 2023 15:30
URI:	https://orca.cardiff.ac.uk/id/eprint/155191

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