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Titre: Synthesis and characterization of a new Schiff base derived from 2,3-diaminopyridine and 5-methoxysalicylaldehyde and its Ni(II), Cu(II) and Zn(II) complexes. Electrochemical and electrocatalytical studies
Auteur(s): Benramdane, Razika
Benghanem, Fatiha
Ourari, Ali
Keraghel, Saida
Bouet, Gilles
Mots-clés: Tetradentate Schiff base
Metal complexes
Crystal structure
Cyclic voltammetry
Electrocatalytic oxidation
Date de publication: 9-déc-2018
Collection/Numéro: Journal of Coordination Chemistry;Vol. 68, No. 3, 560–572
Résumé: We describe the synthesis and characterization of a new tetradentate Schiff base ligand obtained from 2,3-diaminopyridine and 5-methoxysalicylaldehyde. This ligand (H2L) reacted with nickel(II), copper(II), and zinc(II) acetates to give complexes. The ligand and its metal complexes were characterized using analytical, spectral data (UV–vis, IR, and mass spectroscopy), and cyclic voltammetry (CV). The crystal structure of the copper complex was elucidated by X-ray diffraction studies. The electrochemical behavior of these compounds, using CV, revealed that metal centers were distinguished by their intrinsic redox systems, e.g. Ni(II)/Ni(I), Cu(II)/Cu(I), and Zn(II)/Zn(I). Moreover, the electrocatalytic reactions of Ni(II) and Cu(II) complexes catalyze the oxidation of methanol and benzylic alcohol.
URI/URL: http://dspace.univ-setif.dz:8888/jspui/handle/123456789/2997
ISSN: Print ISSN: 0095-8972
Online ISSN: 1029-0389
Collection(s) :Articles

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