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Published 1984 | Published
Journal Article Open

Application of Chiral Lanthanide-induced Shift Reagents to Optically Active Cations: the Use of Tris[3-(trifluoromethylhydroxymethylene)-( + )-camphorato]europium(III) to Determine the Enantiomeric Purity of Tris(phenanthroline)ruthenium(II) Dichloride

Abstract

In non-polar solvents, chiral europium complexes provide attractive n. m. r. shift reagents to resolve spectra of optically active cations, and, in particular, for tris(phenanthroline)ruthenium dichloride,^1H n. m. r. shift differences of up to 0.7 p.p.m. between isomers easily permit the determination of absolute enantiomeric purity.

Additional Information

© 1984 Royal Society of Chemistry. Received, 16th August 1984; Com. 1188. This work was supported by a grant from the National Institutes of Health. J. K. B. is a Research Fellow of the Alfred P. Sloan Foundation. We thank Jonathan M. Goldberg and Elias Lolis for providing samples of Ru(phen):,2+ salts.

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Created:
August 19, 2023
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October 17, 2023