Transition-metal complexes with hydrazides and hydrazones |
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| Authors: | I Ivanović K Andjelković V M Leovac Lj Klisarov M Lazarević D Minić |
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| Institution: | (1) Faculty of Chemistry, Belgrade University, P. O. Box 550, 11001 Belgrade, Yugoslavia;(2) Institute of Chemistry, Faculty of Sciences, University of Novi Sad, FRJM, Yugoslavia;(3) Faculty of Sciences, University of Skopje, FRJM, Yugoslavia;(4) Faculty of Technology and Metallurgy, University of Skopje, FRJM, Yugoslavia;(5) Faculty of Physical Chemistry, Belgrade University, Yugoslavia |
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| Abstract: | Several new complexes of dioxomolybdenum(VI) of the general formula MoO2(L)S], whereL is the dianion of salicylaldehydep-hydroxybenzoylhydrazone andS denotes H2O, MeOH, py, PPh3, DMSO or DMF, were synthesized and characterized by elemental analysis, electronic UV-VIS and IR spectra, thermal analysis, molar conductivity and magnetic susceptibility measurements. Salicylaldehydep-hydroxybenzoylhydrazone participates in the coordination as a tridentate ligand with the ONO set of donor atoms. The complexes contain acis-MoO2 group and are of octahedral geometry. Complexes of the MoO2L type were also prepared by synthesis in CHCl3 solution and by isothermal heating of MoO2(L)S] complexes. The MoO2L complex synthesized in CHCl3 solution has most probably a pentacoordinated structure while the complex obtained by isothermal heating of MoO2(L)S] has a polymeric hexacoordinated structure.The authors are grateful to the Serbian Republic Research Fund for financial support and to academician Prof. M.  ui for his interest in this work. |
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| Keywords: | complexes |
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