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Issue 22, 2011
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Calix[4]arene nitroxide tetraradical and octaradical

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1,3-Alternate calix[4]arene with para-phenylene spacers connecting nitroxide monoradicals and high-spin (S = 1) diradicals provides tetraradical and octaradical scaffolds that possess conformations with slow electron spin relaxation rates (1/T1). Such scaffolds may facilitate tuning of relaxation rates that are more favorable for MRI or DNP applications.

Graphical abstract: Calix[4]arene nitroxide tetraradical and octaradical

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The article was received on 27 Feb 2011, accepted on 18 Apr 2011 and first published on 04 May 2011

Article type: Communication
DOI: 10.1039/C1CC11172H
Citation: Chem. Commun., 2011,47, 6443-6445
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    Calix[4]arene nitroxide tetraradical and octaradical

    A. Olankitwanit, V. Kathirvelu, S. Rajca, G. R. Eaton, S. S. Eaton and A. Rajca, Chem. Commun., 2011, 47, 6443
    DOI: 10.1039/C1CC11172H

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