Abstract
The syntheses of complexes of Cu(II) with biological active ligand, pyridoxal thiosemicarbazone (PLTSC) and its derivative, pyridoxal S-methylisothiosemicarbazone, are described. All coordination compounds were characterized by elemental analysis, molar conductivity and infrared spectra. The crystal and molecular structure of complexes [{Cu(μ-PLTSC)(H2O)}2](SO4)2·6H2O (2) and [{Cu(μ-PLTSC)(H2O)}2](SO4)2·2H2O (2a) is determined by single-crystal X-ray crystallography, too. The thermal decomposition of all the ligands and complexes was determined by simultaneous TG/DSC measurements. The decomposition mechanisms were compared and analyzed from the aspects of the relationships between the structures of the compounds and their thermal decomposition pattern.
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The authors thank the Ministry of Education, Science and Technological Development of the Republic of Serbia for financial support (Project No. ON172014) and the Secretariat for Science and Technological Development (Autonomous Province of Vojvodina, Republic of Serbia).
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Transition metal complexes with thiosemicarbazide-based ligands. Part 62.
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Vojinović-Ješić, L.S., Rodić, M.V., Barta Holló, B. et al. Synthesis, characterization and thermal behavior of copper(II) complexes with pyridoxal thiosemi (PLTSC)- and S-methylisothiosemicarbazone (PLITSC). J Therm Anal Calorim 123, 2069–2079 (2016). https://doi.org/10.1007/s10973-015-4891-7
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DOI: https://doi.org/10.1007/s10973-015-4891-7