SYNTHESIS AND CHARACTERIZATION OF SOME COMPLEXES WITH IBUPROFENYL HYDRAZONE

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.