Synthesis and Structures of Multi-copper(II) Framework Containing N4O4-Multidentate Ligands
Date Issued
2011
Date
2011
Author(s)
Yu, Hui-Ju
Abstract
Metalloproteins containing multi-copper centers as catalytically active site are usually involved in several major biological oxidation-reduction reactions. Thus multinuclear copper complexes have motivated many inorganic chemists to attempt to develop the synthesis as well as investigate coordination chemistry of such species.
In this work, new multinuclear network of CuII ions with octadentate N4O4-ligands, specifically containing the combination of amino-phenoxide and diamine-dialkoxide components (L-6/7-PhRX) have been successfully synthesized and structurally characterized. The ligands are mainly characterized by NMR techniques. Furthermore, the inorganic species are examined by conductivity measurements, ESI-Mass, UV-Vis, IR, EPR, and CV. A few examples were confirmed by X-ray diffractions. Single crystals of the tricopper complexes and the unusual dimeric compounds were obtained by modulating the number of copper equivalent. The latter heptacopper complexes were dimerized from two tricopper(II) species which were interacted with an extra CuII ions by our phenolate and two bridged hydroxylate oxygens.
Subjects
Multi-copper(II) Complexes
Multidentate Ligands
Type
thesis
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