Journal
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume -, Issue 3, Pages 475-478Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201101016
Keywords
Alkynes; C-S bond formation; Oxidation; Sulfur; Electrochemistry
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Funding
- Department of Defense from the Telemedicine and Advanced Technology Research Center of the US Army [W81XWH]
- Department of Energy [DEFG02-08CH11538]
- Kentucky Research Challenge Trust
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0749965] Funding Source: National Science Foundation
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The metal-stabilized thiyl radical complex [Ru(SP)(3)](+), [Ru-1](+), {SP = 2-(diphenylphosphanyl)benzenethiolate} adds 1-octyne across the cis-sulfur sites to yield the S-alkylated dithiolene product [Ru-1 center dot octyne](+). The product complex exists as a pair of inseparable geometric isomers, which were characterized by X-ray crystallography, P-31 NMR spectroscopy, and cyclic voltammetry. By using electrochemical methods, the rate constant for 1-octyne addition was determined as 8.7 x 10(3) M-1 s(-1).
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