Dioxouranium(VI) complexes of 3-benzamidorhodanine and its substituted derivatives |
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| Affiliation: | 1. Automation and Simulation of Electrical Systems Laboratory (Lasse) Itaipu Technological Park (PTI) Av. Tancredo Neves, 6731 Foz do Iguaçu, Paraná, Brazil;2. Programa de Pós-Graduação em Engenharia de Energia na Agricultura – PPGEA UNIOESTE, State University of Western Paraná Rua Universitária, 2069 Cascavel, PR, Brazil;3. Departament of Renewable Energies UNILA, Federal University of Latin American Integration Av. Sílvio Américo Sasdelli, 1842 Foz do Iguaçu, PR, Brazil;1. Centre for Nanotechnology, Indian Institute of Technology Guwahati, Assam 781039, India;2. Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, Assam 781039, India;3. Department of Chemical Engineering, Indian Institute of Technology Guwahati, Assam 781039, India;1. Hacettepe University, Faculty of Pharmacy, Department of Toxicology, Ankara 06100, Turkey;2. İstanbul Education and Research Hospital, Obstetrics and Gynecology, İstanbul 34020, Turkey;3. Hacettepe University, Faculty of Medicine, Department of Obstetrics and Gynecology, Ankara 06100, Turkey;1. Laboratory of Functional Physiology and Valorization of Bioressources, Higher Institute of Biotechnology of Beja, B.P. 382-9000 Beja, Tunisia;2. Laboratory of Functional Neurophysiology and Pathologies, Department of Biological Sciences, Faculty of Sciences of Tunis, 2092 Tunis, Tunisia;1. School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, PR China;2. Koforidua Technical University, P.O. Box KF, 981, Koforiaua, Ghana;3. Department of Agriculture for Social Change, Regentropfen College of Applied Sciences, PMB, Bolgatanga, Ghana |
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| Abstract: | The synthesis and characterization of some dioxoyranyl(VI) complexes containing-3-benzamidorhodanine and its substituted derivatives as ligands are reported. The structure of complexes is discussed on the basis of spectral (UV, IR and NMR), elemental analyses, conductivities, molecular weights and thermal analysis (DSC, DTA, TGA and TG) results. IR spectra show that the ligands are bidentate coordinating via the amide nitrogen (NH) and the carbonyl oxygen of rhodanine in the enol form with displacement of a proton from the latter group. Also, NMR studies suggest that the enolization and coordination occurs via the carbonyl oxygen of rhodanine and not through the carbonyl of the amide moiety. Finally, the thermal studies suggest the existence of a cis-form for the isolated uranyl complexes. |
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