Issue 10, 2018

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

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

Supplementary files

Article information

Article type
Paper
Submitted
27 Nov 2017
Accepted
04 Apr 2018
First published
05 Apr 2018

New J. Chem., 2018,42, 7691-7702

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, 42, 7691 DOI: 10.1039/C7NJ04579D

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