SYNTHESIS AND CHARACTERIZATION OF SOME COMPLEXES WITH IBUPROFENYL HYDRAZONE
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Abstract
Fourteen new metal complexes have been synthesized from ibuprofenyl hydrazide and vanillin or acetophenone ligands (L1 and L2) and used in preparing the corresponding Cobalt(II) , Nickel(II) , Copper(II) , Zinc(II) , Cadmium(II) complexes. The resulted complexes have been characterized by different physiochemical methods including elemental analyses, IR electronic spectra , magnetic moment measurements , molar conductance, and X-ray powder diffraction measurements, the ligands have been investigated by NMR spectra . Furthermore, the complexes have been found to have the formulas [M(L)2Cl2] where, M= Co(II) , Ni(II) , Cu(II) and Zn(II). whereas, the formula [M(L)2(H2O)2](NO3)2 , M= Co(II) , Ni(II) , [Cd(L)2]Cl2 ; L = L1 or L2 . Infrared spectral data suggest that the two ligands behave as a bidentate ligand with O,N, donor atoms towards the metal ions . Based on the above physicochemical measurements, the complexes have octahedral and tetrahedral geometries.