期刊
JOURNAL OF COORDINATION CHEMISTRY
卷 62, 期 19, 页码 3198-3205出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958970903046270
关键词
3; 5-Diiodosalicylaldehyde; n-Propylamine; Metal(II) complexes; Antibacterial activity
资金
- National Natural Science Foundation of China [30772627]
- Scholastic Natural Science Foundation of Xuzhou Normal University [08XLA06]
Seven new mononuclear complexes have been synthesized from 2,4-diiodo-6-propyliminomethyl-phenol in pyridine and Cu(OAc)2 center dot H2O, Ni(OAc)2 center dot 4H2O, Co(OAc)2 center dot 4H2O, Zn(OAc)2 center dot 2H2O, Cd(OAc)2 center dot 2H2O, Mn(OAc)2 center dot 4H2O, and Hg(OAc)2. The complexes were characterized by UV, IR, ESI-MS, and elemental analyses; bis(2,4-diiodo-6-propyliminomethyl-phenol)-pyridine-copper(II) (1) was characterized by X-ray crystallography. The central metal in each complex is five-coordinate by two nitrogens and two oxygens from two 3,5-diiodosalicylaldehyde Schiff-base ligands and one nitrogen from pyridine. The 3,5-diiodosalicylaldehyde Schiff base is bidentate. All the complexes were assayed for antibacterial (Bacillus subtilis, Staphylococcus aureus, Streptococcus faecalis, Pseudomonas aeruginosa, Escherichia coli, and Enterobacter cloacae) activities by the MTT method. Complex 1 showed the most favorable antimicrobial activity with minimum inhibitory concentrations of 6.25, 3.125, 6.25, 3.125, 6.25, 3.125 mu g mL-1 against B. subtilis, S. aureus, S. faecalis, P. aeruginosa, E. coli, and E. cloacae, respectively.
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