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Issue 73, 2018
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A molecular basis to rare earth separations for recycling: tuning the TriNOx ligand properties for improved performance

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Abstract

A methoxy-substituted tripodal hydroxylamine ligand, H3TriNOxOMe, was synthesized and coordinated to rare earth cations for separation purposes. Metrics of the resulting complexes were investigated and compared with their parent TriNOx3− counterparts for determination of the molecular basis for the described rare earth separation system. Addition of an electron donating group to the aryl backbone resulted in a more electron rich ligand that increased the equilbrium constant for complex dimerization five-fold. The new separation system yielded efficient Nd/Dy separations in toluene rather than benzene.

Graphical abstract: A molecular basis to rare earth separations for recycling: tuning the TriNOx ligand properties for improved performance

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Publication details

The article was received on 04 Jun 2018, accepted on 30 Jul 2018 and first published on 31 Jul 2018


Article type: Communication
DOI: 10.1039/C8CC04409K
Citation: Chem. Commun., 2018,54, 10276-10279
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    A molecular basis to rare earth separations for recycling: tuning the TriNOx ligand properties for improved performance

    B. E. Cole, I. B. Falcones, T. Cheisson, B. C. Manor, P. J. Carroll and E. J. Schelter, Chem. Commun., 2018, 54, 10276
    DOI: 10.1039/C8CC04409K

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