Kinetics of heat-induced transformation of copper complexes with amino acids |
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| Authors: | V. A. Yablokov I. L. Smel’tsova V. I. Faerman |
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| Affiliation: | 1. Nizhni Novgorod State University of Architecture and Civil Engineering, ul. Il’inskaya 65, Nizhni Novgorod, 603600, Russia
2. Scientific Research Institute of Chemistry, Lobachevskii Nizhni Novgorod State University, Nizhni Novgorod, Russia
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| Abstract: | We have studied the effect of substituent R on the rate and mechanism of thermal decomposition of copper(II) complexes with L-α-amino acids anions H2NCH(R)COO?. The homolytic decomposition rate increases in the series of CuL2 complexes with alanine, glycine, valine, isoleucine, leucine, phenylalanine, and serine. Intramolecular redox formation of ·+CuGly cation-radical upon reduction of Cu(II) to Cu(I) and oxidation of H2NCH2COO? into H2NCH2COO· carboxylamine radical is the primary stage of heat-induced decomposition. |
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