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Morteza Montazerozohori,Sahar Yadegari,Asghar Naghiha,Somayeh Veyseh 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.1
A novel symmetrical Schiff base ligand was prepared by condensation reaction of 2,2-dimethyl-1.3-diaminopropane and (E)3-(2nitrophenyl)acrylaldehyde. The ligand and its Zn(II) coordinationcompounds were well characterized by the elemental analysis, FTIR, 1H, 13C NMR, UV–vis spectraand molar conductance. Thermal behaviors of all compounds were investigated from the roomtemperature to 600 ℃ with a heating rate of 10℃/min. Furthermore some decomposition thermo-kinetic parameters were evaluated by Coats–Redfern equation at each decomposition step. Electrochemical properties of ligand and its complexes were studied by cyclic voltammetry technique. Also antibacterial/antifungal activities of the ligand and its complexes were tested against three Gramnegativebacteria Escherichia coli (ATCC 25922), Salmonella spp. and Pseudomonas aeruginosa (ATCC 9027)and two Gram-positive bacteria Staphylococcus aureus (ATCC 6538) and Corynebacterium renale and alsothree fungi (Aspergillus niger, Penicillium chrysogenum and Candida albicans). The results exhibitedsuitable antibacterial/antifungal properties for ligand and Zn(II) complexes. The study has shown thatthe complexation of ligand to zinc center lead to enhancement of antibacterial/antifungal activity.