Issue 73, 2018

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

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

Supplementary files

Article information

Article type
Communication
Submitted
04 jún 2018
Accepted
30 júl 2018
First published
31 júl 2018

Chem. Commun., 2018,54, 10276-10279

Author version available

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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