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The crucial role of the inter-ring hydrogen bond to explain the properties of morin

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Abstract

The interaction of the ZnII cation with a multi-site ligand (morin) has been studied to find out the structure of the complex that was not precisely determined in previously published works. The association of electronic spectroscopy measurements and quantum chemistry computations was fruitful to assign the binding site of the cation to the α-hydroxy-ketone site and to bring more precision on part of its environment. The important role of the inter-ring hydrogen bond is especially illustrated by its influence on acid–base properties. Post-analyses based on quantum chemistry (electronic transitions and electron density studies) give more insights into the nature of bonding in this complex and into some fortuitous similarities between the electronic spectra of the deprotonated morin and its complexes.

Graphical abstract: The crucial role of the inter-ring hydrogen bond to explain the properties of morin

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Publication details

The article was received on 27 Nov 2017, accepted on 04 Apr 2018 and first published on 05 Apr 2018


Article type: Paper
DOI: 10.1039/C7NJ04579D
Citation: New J. Chem., 2018, Advance Article
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    The crucial role of the inter-ring hydrogen bond to explain the properties of morin

    A. Moncomble, D. Jani Thaviligadu, A. Raoumbé Djendja and J. Cornard, New J. Chem., 2018, Advance Article , DOI: 10.1039/C7NJ04579D

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