Synthesis and characterization of Co(II), Ni(II), Zn(II) and Cu(II) complexes with a new tetraazamacrocyclic Schiff base ligand containing a piperazine moiety: X-ray crystal structure determination of the Co(II) complex |
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| Authors: | Hassan Keypour Nasibeh Rahpeyma Parisa Arzhangi Majid Rezaeivala Yalcin Elerman Orhan Buyukgungor Laura Valencia |
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| Institution: | 1. Faculty of Chemistry, Bu-Ali Sina University, Hamedan 65174, Iran;2. Department of Chemical Engineering, Hamedan University of Technology, Hamedan 65155, Iran;3. Department of Engineering Physics, Faculty of Engineering, University of Ankara, Besevler 06100, Ankara, Turkey;4. Ondokuz May?s University, Faculty of Arts and Sciences, Department of Physics, 55139 Samsun, Turkey;5. Departamento de Química Inorgánica, Facultad de Química, Universidade de Vigo, 36310 Vigo, Pontevedra, Spain |
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| Abstract: | Two macrocyclic Schiff base ligands, L1 1+1] and L2 2+2], have been obtained in a one-pot cyclocondensation of 1,4-bis(2-formylphenyl)piperazine and 1,3-diaminopropane. Unfortunately, because of the low solubility of both ligands, their separation was unsuccessful. In the direct reaction of these mixed ligands (L1 and L2) and the appropriate metal ions only CoL1(NO3)]ClO4, NiL1](ClO4)2, CuL1](ClO4)2 and ZnL1(NO3)]ClO4 complexes have been isolated. All the complexes were characterized by elemental analyses, IR, FAB-MS, conductivity measurements and in the case of the ZnL1(NO3)]ClO4 complex with NMR spectroscopy. |
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| Keywords: | Piperazine moiety Macrocyclic Schiff base Co(II) complex Ni(II) complex Cu(II) complex and Zn(II) complex X-ray crystal structure |
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