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In this study, the first ligandin (N, O, O) was prepared for the first ligand azo-azomethine (N, O, O) Which was made in two steps, whereas the first is to prepare the azo methane pairs base from the reaction of condensation of vanillin with (3-chloroaniline), and the second step is to prepare, the diazonium salt of the compound (2-aminoacetophenone), in the traditional way, then add it to the Schiff base prepared in the first step. As for the second ligand, azoimidazole triplet is also a single-charged type (N, N, O). Which was prepared in the traditional way by denitrifying the amino compound (2-amino-5-methyl benzoic acid-amino) and adding the nitrifying product to a basic solution of (4,5 -diphenylimidazole), The prepared ligands were discovered following sedimentation and purification, and their structures were elucidated using a variety of analytical and spectroscopic techniques, includes microelements analysis, nuclear magnetic resonance spectroscopy, ultraviolet, infrared, and mass spectrometry. The chelated complex of metal Cd(II) was prepared by reacting the aqueous solution of this ion with a mixture of azo-azomethane ligand (BMPE) and azo ligand (DPIMB) in molar ratios (1:1:1) (metal: ligand: ligand). The findings from the spectrum of ultraviolet, visible, and infrared rays, magnetic sensitivity, meticulous elemental analysis, and molar conductivity were used to identify the metal complex and to suggest the stereotype. The complex produced for this investigation was supposed to have an octahedral geometric form based on the results of earlier studies. In order to ascertain the biological activity of the synthesized compounds against various types of bacteria, two isolates of pathogenic bacteria, one of which is gram-positive (G+) (Staphylococcus) and the other is gram-negative (G-) (represented by bacteria), were utilized in the study (Escherichia coli). [ABSTRACT FROM AUTHOR]