Synthesis,characterisation, crystal structure and biological activity of metal(II) complexes with theophylline |
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| Authors: | Michał Gacki Karolina Kafarska Anna Pietrzak Izabela Korona-Glowniak Wojciech M. Wolf |
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| Affiliation: | 1. Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, 116 Zeromskiego Street, 90-924 Lodz, Poland;2. Department of Pharmaceutical Microbiology, Medical University of Lublin, Chodzki 1, 20-093 Lublin, Poland |
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| Abstract: | Three metal complexes with empirical formulae [Mn(theop)2(H2O)4] (1), [Co(theop)2(H2O)4] (2), [Ni(theop)2(H2O)4] (3), (where: theop?=?theophylline) were synthesized and characterized by elemental analysis, FTIR- spectroscopy and thermal decomposition techniques. Their crystal structures were determined by single crystal Xray diffraction analysis. Complexes are isomorphous and crystallise in the monocyclic space group P21/c. Their thermal behavior was studied by TGA methods under non-isothermal condition in air. Upon heating all compounds decompose progressively to metal oxides, which are the final products of pyrolysis. Furthermore, antimicrobial and antioxidant activity of the complexes was examined. |
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| Keywords: | Metal complexes Thermal investigation IR spectra Alkaloids Theophylline Antioxidant activity Biological activity |
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