Electrochemical study of azo-azulene compounds |
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Authors: | Eleonora-Mihaela Ungureanu Alexandru C Razus Mariana-Stefania Cretu |
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Affiliation: | a Faculty of Applied Chemistry and Material Sciences, University “Politehnica” of Bucharest, Strada Gheorghe Polizu 1-7, 011061 Bucharest, Romania b Institute of Organic Chemistry “C.D. Nenitzescu” of Romanian Academy, Spl. Independentei 202B, PO Box 15-258, 71141 Bucharest, Romania |
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Abstract: | An electrochemical study of several azo-azulene compounds (Az-NN-Y, where Y = substituted phenyl, pyridine, thiazole) was performed with cyclic and differential pulse voltammetry, as well as rotating-disk electrode methods. The objective of this work was to characterize their electrochemical properties and establish the influence of donor and acceptor substituents on azulene and azo group behaviour. Calculations were performed, using quantum mechanics-based methods, to correlate electrochemical reactivity with structure. Satisfactory correlations were found between experimental oxidation and reduction potentials as well as calculated ionization potentials and LUMOs. |
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Keywords: | Azo-azulene compounds Cyclic voltammetry Differential pulse voltammetry Rotating-disk electrode Ionization potentials |
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