Photoresponsive host–guest chemistry and  relaxation time of fluorinated cyclodextrin and arylazopyrazole-functionalized DOTA metal complexes

Julian Simke; Till Böckermann; Klaus Bergander; Sina Klabunde; Michael Ryan Hansen; Bart Jan Ravoo

doi:10.1039/D0OB02482A

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Photoresponsive host–guest chemistry and relaxation time of fluorinated cyclodextrin and arylazopyrazole-functionalized DOTA metal complexes†

Julian Simke,^a Till Böckermann,^a Klaus Bergander,^a Sina Klabunde,^b Michael Ryan Hansen

^b and Bart Jan Ravoo

*^a

Author affiliations

* Corresponding authors

^a Organic Chemistry Institute and Center for Soft Nanoscience, Westfälische Wilhelms-Universität Münster, Corrensstrasse 36, D-48149 Münster, Germany
E-mail: b.j.ravoo@uni-muenster.de

^b Institute of Physical Chemistry, Westfälische Wilhelms-Universität Münster, Corrensstrasse 28/30, D-48149 Münster, Germany

Abstract

Light-responsive modulation of the longitudinal (T₁) and transversal Image ID:d0ob02482a-t2.gif relaxation times of a fluorinated cyclodextrin has been achieved by host–guest complexation with arylazopyrazole-modified metal complexes in aqueous solution. This supramolecular concept can potentially be applied to the development of contrast agents for ¹⁹F magnetic resonance imaging (MRI).

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Article information

DOI: https://doi.org/10.1039/D0OB02482A
Article type: Communication
Submitted: 11 Dec 2020
Accepted: 16 Feb 2021
First published: 16 Feb 2021

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Org. Biomol. Chem., 2021,19, 2186-2191

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Photoresponsive host–guest chemistry and relaxation time of fluorinated cyclodextrin and arylazopyrazole-functionalized DOTA metal complexes

J. Simke, T. Böckermann, K. Bergander, S. Klabunde, M. R. Hansen and B. J. Ravoo, Org. Biomol. Chem., 2021, 19, 2186 DOI: 10.1039/D0OB02482A

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Organic & Biomolecular Chemistry