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Issue 12, 2020
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Host–guest interaction of nitroxide radicals with water-soluble pillar[6]arenes

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Abstract

The host–guest interaction of nitroxide radicals with water-soluble pillar[n]arenes was studied for the first time by electron paramagnetic resonance spectroscopy and NMR spectroscopy. Our results showed that this interaction strongly depended on the 4-substituents of nitroxides and the cavity size of pillar[n]arenes. The host–guest interaction with water-soluble pillar[6]arene WP6 effectively increased the thermodynamic and kinetic stability of nitroxide radical 4-AT toward ascorbic acid, thus expanding its potential biomedical applications.

Graphical abstract: Host–guest interaction of nitroxide radicals with water-soluble pillar[6]arenes

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Article information


Submitted
15 Feb 2020
Accepted
03 Mar 2020
First published
05 Mar 2020

Org. Biomol. Chem., 2020,18, 2321-2325
Article type
Paper

Host–guest interaction of nitroxide radicals with water-soluble pillar[6]arenes

X. Wang, K. Ji, A. Rockenbauer, Y. Liu and Y. Song, Org. Biomol. Chem., 2020, 18, 2321
DOI: 10.1039/D0OB00341G

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