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Issue 12, 2004
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NMR and chiroptical examination of the diastereoisomers of (S)-Eu–EOB–DTPA

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Abstract

The solution structure of the diastereoisomers of (S)-Eu–EOB–DTPA has been analysed by 1H NMR, CD and CPL spectroscopy. Two major species exist which possess very similar 1H NMR paramagnetic shifts and emission spectra, consistent with a 9-coordinate structure involving one bound water. Circularly polarised luminescence data are consistent with a common Λ-helicity for each isomer; the isomers differ only in the absolute configuration of the central nitrogen atom.

Graphical abstract: NMR and chiroptical examination of the diastereoisomers of (S)-Eu–EOB–DTPA

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Publication details

The article was received on 12 Mar 2004, accepted on 04 May 2004 and first published on 19 May 2004


Article type: Paper
DOI: 10.1039/B403863K
Citation: Dalton Trans., 2004,0, 1892-1895
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    NMR and chiroptical examination of the diastereoisomers of (S)-Eu–EOB–DTPA

    N. C. Thompson, D. Parker, H. Schmitt-Willich, D. Sülzle, G. Muller and J. P. Riehl, Dalton Trans., 2004, 0, 1892
    DOI: 10.1039/B403863K

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