Synthesis,spectroscopic studies and crystal structures of two new vanadium complexes of 2-benzoylpyridine containing hydrazone ligands |
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| Authors: | Mini Kuriakose MR Prathapachandra Kurup E Suresh |
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| Institution: | 1. Department of Applied Chemistry, Cochin University of Science and Technology, Kochi 682 022, Kerala, India;2. Analytical Sciences Division, Central Salt and Marine Chemicals Research Institute, Bhavnagar, Gujarat 364 002, India |
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| Abstract: | The reaction of VO(acac)2 with 2-benzoylpyridine substituted aroylhydrazones is studied. Oxovanadium(IV) and (V) complexes are obtained, indicating the binding of ligands to the metal ion through the imine nitrogen, enolate oxygen and pyridyl nitrogen. The oxovanadium(IV) compound VOL1(OCH3)] · 0.14H2O (1a) gets oxidized to dioxovanadium(V) species VO2L1] (1b) upon crystal formation. The crystal structures of the ligand and the two vanadium complexes are reported. Single crystal X-ray diffraction studies of the compound VO(HL2)(μ2-O)]2 (2) revealed a centrosymmetric dimer. |
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| Keywords: | 2-Benzoylpyridine Aroylhydrazone Crystal structures Vanadium complexes Dimer |
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