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A new Azo-Schiff base derivative (3,4-bis(((1E,2E)-2-((2-((4-((Z)-(3-hydroxyphenyl) diazenyl)naphthalen-1-yl)amino)ethyl)imino)-1,2-diphenylethylidene)amino)phenyl)(phenyl)methanone (HANPH) and its metal complexes which include Co(II), Ni(II), Cu(II), Zn(II), Cd(II), Pt(II), and Au(III) metal ions were synthesized. The structure of these compounds has been investigated by using elemental analysis, FT-IR, UV-Vis spectrometric methods, 1H-NMR, mass spectra, atomic absorption, molar conductivity and magnetic susceptibility of metal complexes. The spectroscopic data of the complexes suggest that their (1:1) (metal: ligand) is mole ratio. Also, the analytical studies for all new complexes have shown octahedral geometries, except for Pt (II) and Au (III) complexes which suggested square planar geometries also its conductivity measurements show electrical properties. These complexes show high conductance value supporting (1:1) electrolytic nature. Furthermore, the FTIR results show that the coordination site from the ligand to the metal ions were through the nitrogen of azomethine group and the nitrogen of the azo group for all new complexes, except for Pt (II) and Au (III) complexes which were through the nitrogen of imine groups only.

egyptian journal of chemistry

Synthesis and Characterization of Some Transition Metal Complexes with New Azo- Schiff Base Ligand 3,4-bis(((1E,2E)-2-((2-((4-((Z)-(3-Hydroxyphenyl)Diazenyl)Naphthalen-1-yl)amino)ethyl)imino)-1,2-Diphenylethylidene)Amino)Phenyl)(phenyl)Methanone