Diastereoisomeric dinuclear ruthenium complexes of 2,5-di(2-pyridyl)thiazolo[5,4-d]thiazole

Zampese, Jennifer A., Keene, F. Richard, and Steel, Peter J. (2004) Diastereoisomeric dinuclear ruthenium complexes of 2,5-di(2-pyridyl)thiazolo[5,4-d]thiazole. Dalton Transactions, 24. pp. 4124-4129.

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The first metal complexes of 2,5-di(2-pyridyl)thiazolo[5,4-d]thiazole (5) are described. X-Ray crystal structures are reported for the free ligand 5, a dinuclear copper complex 6 and the two diastereoisomers, 7meso and 7rac, of the dinuclear bis(2,2'-bipyridine)ruthenium complex. The two diastereoisomers of 7 and the 4,4'-dimethyl-2,2'-bipyridine analogue 8 are readily separated by cation exchange chromatography. 1H NMR and visible absorption spectra and electrochemical data for the four dinuclear ruthenium complexes reveal that these have relatively small HOMO–LUMO energy gaps and exhibit relatively weak metal–metal interactions.

Item ID: 4492
Item Type: Article (Refereed Research - C1)
Keywords: dinuclear; heterocycle; ruthenium; stereochemistry
ISSN: 1477-9234
Date Deposited: 10 Jun 2009 05:52
FoR Codes: 03 CHEMICAL SCIENCES > 0302 Inorganic Chemistry > 030207 Transition Metal Chemistry @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970103 Expanding Knowledge in the Chemical Sciences @ 100%
Citation Count from Web of Science Web of Science 24
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