Relieving steric strain a octahedral platinum(IV): isomerization and reductive coupling of alkyl and aryl chlorides

Crosby, Sarah H., Clarkson, Guy J. and Rourke, Jonathan P. ORCID: https://orcid.org/0000-0002-8961-1021 2012. Relieving steric strain a octahedral platinum(IV): isomerization and reductive coupling of alkyl and aryl chlorides. Organometallics 31 (20) , pp. 7256-7263. 10.1021/om3008019

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Abstract

Oxidation of monocyclometalated platinum(II) complexes results in octahedral platinum(IV) complexes. Depending on the substitution, two different reactions occur: either a simple isomerization, resulting in the exchange of ligand positions, or a reductive coupling of aryl chloride. With a doubly cyclometalated complex, stability of the oxidized form is dependent on isomeric form: whereas the trans isomer is robust, being manipulable in air at room temperature, the cis isomer decomposes at −20 °C and above. Reductive coupling at this cis isomer is 100% selective for alkyl chloride over aryl chloride and is suggested to be a concerted process.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry
Publisher:	American Chemical Society
ISSN:	0276-7333
Last Modified:	03 Apr 2023 14:45
URI:	https://orca.cardiff.ac.uk/id/eprint/155168

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