Synthesis,crystal structure and electrocatalytic activity of discrete and polymeric copper(II) complexes with bitopic bis(pyrazol-1-yl)methane ligands |
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| Affiliation: | 1. Department of Biotechnology and Organic Chemistry, National Research Tomsk Polytechnic University, 30 Lenin Ave., 634050 Tomsk, Russia;2. Department of Food and Chemical Industries, Altai State Technical University, 46 Lenin Ave., 656038 Barnaul, Russia;3. Institute of Petroleum Chemistry, Siberian Branch of Russian Academy of Sciences, 3 Akademicheskii Ave., 634055 Tomsk, Russia;1. A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 119991 Moscow, Russia;2. Plekhanov Russian University of Economics, Stremyanny per. 36, Moscow 117997, Russia;1. Department of Chemistry, Faculty of Science, University of Kragujevac, R. Domanovića 12, PO Box 60, 34000 Kragujevac, Serbia;2. Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, 11000 Belgrade, Serbia;3. Anorganisch-Chemisches Institüt and Interdisciplinary Center for Scientific Computing (IWR), University of Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany;4. Faculty of Medicine, Department of Chemistry, University of Niš, 18000 Niš, Serbia |
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| Abstract: | New coordination copper(II) compounds containing bitopic bis(pyrazol-1-yl)methane ligands, namely 1,1,2,2-tetrakis(pyrazol-1-yl)ethane, 1,4-bisbis(pyrazol-1-yl)methyl]benzene and 1,4-bisbis(3,5-dimethylpyrazol-1-yl)methyl]benzene were prepared. Reactions of ligands with Cu2 + ions in 1:2 ratio gave discrete homodinuclear complexes, while 1:1 ligand-to-metal ratio lead to the formation of coordination polymers. Electrocatalytic activity of compounds in oxygen electroreduction reaction on the surface of modified carbon paste electrode was evaluated. |
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