Host–Guest Exchange of Viologen Guests in Porphyrin Cage Compounds as Studied by Selective Exchange Spectroscopy (1D EXSY) NMR

Dynamics in complexes of porphyrin cage compounds and viologen‐derived guest molecules are investigated by selective exchange NMR spectroscopy (1D EXSY). Exchange rates were found to be independent of excess guest concentration, revealing a dissociative exchange mechanism, which is accompanied by ne...

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Veröffentlicht in:	Angewandte Chemie International Edition 2021-01, Vol.60 (3), p.1254-1262
Hauptverfasser:	Swartjes, Anne, White, Paul B., Lammertink, Marijn, Elemans, Johannes A. A. W., Nolte, Roeland J. M.
Format:	Artikel
Sprache:	eng
Schlagworte:	1D EXSY NMR Binding Cage compounds Entropy of activation Foreign exchange rates host–guest exchange kinetics Magnetic resonance spectroscopy NMR NMR spectroscopy Nuclear magnetic resonance Polymers Porphyrins porphyrins cage Rate constants Spectroscopy Spectrum analysis Supramolecular compounds viologen guest
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