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Issue 2, 2017
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Breaking the paradigm: record quindecim charged magnetic ionic liquids

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Abstract

A family of bis(trifluoromethanesulfonyl)amide-based ionic liquids of composition [RE5(C2H5-C3H3N2-CH2COO)16(H2O)8](Tf2N)15 (RE = Er, Ho, Tm; C3H3N2 ≡ imidazolium moiety) featuring the cationic, record quindecim {15+} charged pentanuclear rare earth (RE)-containing ion [RE5(C2H5-C3H3N2-CH2COO)16(H2O)8]15+ has been synthesized and characterized. In addition, due to the presence of rare earth ions, these ionic liquids show a response to magnetic fields with the highest effective magnetic moment observed so far for an ionic liquid and are rare examples of ionic liquids showing luminescence in the near-infrared. These ionic liquids also were successfully employed in a three-component synthesis of 2-pyrrolo-3′-yloxindole with an extremely low (<0.035 mol%) catalyst loading rate.

Graphical abstract: Breaking the paradigm: record quindecim charged magnetic ionic liquids

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Publication details

The article was received on 31 Oct 2016, accepted on 07 Dec 2016 and first published on 08 Dec 2016


Article type: Communication
DOI: 10.1039/C6MH00468G
Citation: Mater. Horiz., 2017,4, 217-221
  • Open access: Creative Commons BY-NC license
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    Breaking the paradigm: record quindecim charged magnetic ionic liquids

    D. Prodius, V. Smetana, S. Steinberg, M. Wilk-Kozubek, Y. Mudryk, V. K. Pecharsky and A.-V. Mudring, Mater. Horiz., 2017, 4, 217
    DOI: 10.1039/C6MH00468G

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