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Ali Ourari

Ali Ourari

Université Ferhat ABBAS Sétif

Title: A novel ferrocenic metal complexes Salen-like, derived from 5-chloromethyl-2-hydroxyacetophenone and N-ferrocenmethylaniline: Design, spectral approach and solvent effect with their electropolymerizable behavior for elaboration of modified electrodes

Biography

Biography: Ali Ourari

Abstract

The research project of this work may be summarized in the synthesis, spectroscopic characterizations and electrochemical behavior of the tetradentate copper (II)-Schiff base complex[1] with its two wings as ferrocenylaniline moieties[2]. This new ferrocenic derivative with two ferrocenylaniline entities surrounding the copper (II)-Salen complex (5) was synthesized from N-ferrocenmethyl-N-phenyl-5-aminomethyl-2-hydroxyacetophenone (3) and one half equivalent of 1,2-diaminoethane in absolute ethanol. As for the intermediates involved in this synthetic sequence, the compound (3) was prepared in tetrahydrofuran (THF) by reacting N-ferrocenmethylaniline (2) with 5-chloromethyl-2-hydroxyacetophenone[3] (1) in presence of sodium hydrogenocarbonate (NaHCO3). The compound (3) condensed on the diamine yields the Schiff base ligand[4] (4)  which reacts with copper acetate monohydrate yielding the tetradentate Cu(II)-Schiff base complex (5). Their purities were estimated from elemental analysis while the molecular structures were elucidated with FT-IR, UV–Vis, 1H- and 13C- NMR. The electrochemical behaviors of the synthesized compounds were investigated using cyclic voltammetry in diverse solvents like dichloromethane (DC), acetonitrile (AN), dimethylformamide (DMF) and dimethylsulfoxide (DMSO). The anilinic entity grafted on these compounds may be modulated by using other electropolymerizable units as pyrrole,  thiophene and carbazole etc.