Cyclopalladated acetate dimers: crystal structures and VT-NMR

Evans, P.G., Brown, N.A., Clarkson, G.J., Newman, C.P. and Rourke, J.P. ORCID: https://orcid.org/0000-0002-8961-1021 2006. Cyclopalladated acetate dimers: crystal structures and VT-NMR. Journal of Organometallic Chemistry 691 (6) , pp. 1251-1256. 10.1016/j.jorganchem.2005.11.066

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Abstract

The X-ray structure of two cyclopalladated acetate bridged dimers has been solved, and they are shown to exhibit an open-book type core, analogous to those that have been previously reported. Variable temperature NMR studies on these molecules demonstrates that this core persists in chloroform solution, resulting in restrictions to the movement of ancillary parts of the molecule. The barrier to rotation of a pendant phenyl ring against this core has been measured: ΔH‡ = 56 kJ mol−1, and ΔS‡ = 0.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry
Publisher:	Elsevier
ISSN:	0022-328X
Last Modified:	13 Apr 2023 12:45
URI:	https://orca.cardiff.ac.uk/id/eprint/155170

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