Synthesis, characterisation and photochemistry of platinum diselenolenes

Morley, Christopher Peter, Webster, Christopher A., Douglas, Peter, Rofe, Karen and Di Vaira, Massimo 2010. Synthesis, characterisation and photochemistry of platinum diselenolenes. Dalton Transactions 39 (13) , pp. 3177-3189. 10.1039/b916605j

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Abstract

The reaction between [Pt(PPh3)4] and cycloocteno-1,2,3-selenadiazole or bis-cycloocteno-1,4-diselenin in toluene under reflux yielded the poorly soluble mononuclear platinum diselenolene [Pt(Se2C8H12)(PPh3)2], 1c. Treatment of [Pt(C2H4)(PR3)2] with a bis-cycloalkeno-1,4-diselenin in a mixture of 1,4-dioxane, THF and toluene under reflux led in good yield to the platinum diselenolenes [Pt(Se2Cn+4H2n+4)(PR3)2] (R = Et (2), Bu (3); n = 3 (b), 4 (c)). The analogous complexes [Pt(Se2C8H12)(L)] (L = dppm: 4c; L = dppe: 5c; L = dppp: 6c) were prepared from 1cvia ligand exchange with chelating phosphines. All new compounds have been characterised by multinuclear NMR, IR and UV-visible spectroscopy and mass spectrometry, and their luminescence properties have been examined. The molecular structures of [Pt(Se2C7H10)(PEt3)2] (2b), [Pt(Se2C8H12)(PEt3)2] (2c) and [Pt(Se2C8H12)(dppm)] (4c) have been determined by X-ray crystallography.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry
Subjects:	Q Science > QD Chemistry
Publisher:	Royal Society of Chemistry
ISSN:	1477-9226
Last Modified:	05 Nov 2019 03:27
URI:	https://orca.cardiff.ac.uk/id/eprint/22422

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