Issue 1, 2000
From the journal:

Journal of the Chemical Society, Dalton Transactions

Synthesis and characterisation of new platinum–acetylide complexes containing diimineligands

Christopher J. Adams,*a   Stuart L. James,a   Xiaoming Liu,b   Paul R. Raithby*a  and  Lesley J. Yellowlees*b  

* Corresponding authors

a Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, UK

b Department of Chemistry, University of Edinburgh, West Mains Road, Edinburgh, UK

Abstract

A new class of platinum–bipyridyl compounds has been synthesized by the dehydrohalogenative reaction of [4,4′-bis(tert-butyl)-2,2′-bipyridyl]platinum dichloride [PtCl2(tBu2bipy)] 1 with terminal alkynes HC[triple bond, length as m-dash]CR, in the presence of copper(I) iodide and diisopropylamine. The products [Pt(C[triple bond, length as m-dash]CR)2(tBu2bipy)] (R = C6H4NO2-p2, C6H53, C6H4CH3-p4 or SiMe35), have been characterised by spectroscopic and analytical methods, and a single crystal molecular structure determination has been carried out on 4. Extended Hückel molecular orbital calculations have also been carried out, and the results are used to help rationalise the voltammetric, EPR and spectroelectrochemical properties of the new compounds. These show that compounds 3, 4 and 5 undergo a one-electron bipyridyl based redox process, but that 2 has an unresolved two-electron process located on the nitro groups.

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Article information

DOI
https://doi.org/10.1039/A907028A
Article type
Paper
Submitted
31 Aug 1999
Accepted
16 Nov 1999
First published
24 Dec 1999

J. Chem. Soc., Dalton Trans., 2000, 63-67

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Synthesis and characterisation of new platinum–acetylide complexes containing diimine ligands

C. J. Adams, S. L. James, X. Liu, P. R. Raithby and L. J. Yellowlees, J. Chem. Soc., Dalton Trans., 2000, 63 DOI: 10.1039/A907028A

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