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Taenzler, Phillip Johannes; Sadeghian, Keyarash und Ochsenfeld, Christian (2019): Theoretical investigations of the hydrogen bond in a tetraamido/diamino quaternized macrocycle. In: Molecular Physics, Bd. 117, Nr. 9-12: S. 1276-1286

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Abstract

We present theoretical investigations on the nature and persistence of the strong central hydrogen bond of a tetraamido/diamino quaternized macrocycle. Our theoretical study of the NMR properties of the central hydrogen bond proved difficult to reconcile with the available experimental results, suggesting the possibility of the non-persistence of the central hydrogen bond of the macrocycle in solution. We demonstrate alternative scenarios, in which a tautomerization of the macrocycle in solution gives rise to the experimentally observed NMR shifts. [GRAPHICS] .

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