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Tuning of intramolecular electron transfer between Ru(II) and the disulfide bond

Pal, P.K., Drew, M.G.B. and Datta, D. (2003) Tuning of intramolecular electron transfer between Ru(II) and the disulfide bond. New Journal of Chemistry, 27 (2). pp. 197-201. ISSN 1144-0546

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To link to this item DOI: 10.1039/b206476f

Abstract/Summary

Reaction of 2,2'-dithiodipyridine (DTDP) with cis-Ru(bpy)(2)Cl-2 (bpy = 2,2'-bipyridine) and cis-Ru(phen)(2)Cl-2 (phen = 1,10-phenanthroline) respectively yields the dicationic species [Ru(bpy) (2)(DTDP)](2+) and [Ru(phen)(2) (DTDP)](2+) in which the S-S bond of DTDP remains intact. The S-S bond undergoes a reductive cleavage when DTDP is reacted with cis-Ru(bisox)(2)Cl-2 (bisox = 4,4,4',4'-tetramethyl-2,2'-bisoxazoline) under identical conditions to generate the monocationic species [Ru(bisox)(2)(2-thiolatopyridine)]. The intramolecular electron transfer between the metal and the S-S bond is found to be subtly controlled by the crystal field strength of the ancillary bidentate N-donor ligands.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:11543
Uncontrolled Keywords:COMPLEXES, CRYSTAL, COPPER(I), LIGANDS, AU(111), ACIDITY, STATE

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