期刊
JOURNAL OF ADVANCED RESEARCH
卷 3, 期 3, 页码 233-243出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jare.2011.07.005
关键词
Binuclear ruthenium(II); Thiosemicarbazone; CT-DNA; Catalytic reactions; Antibacterial activity
资金
- University Grants Commission (UGC), Hyderabad, India [MRP-2240/06]
New hexa-coordinated binuclear Ru(II) thiosemicarbazone complexes of the type {[(B)(EPh3)( CO) ClRu](2)L} ( where, E = P or As; B = PPh3 or AsPh3 or pyridine; L = mononucleating NS donor of N-substituted thiosemicarbazones) have been synthesized and characterized by elemental analysis, FT-IR, UV-vis and P-31{H-1} NMR cyclic voltammetric studies. The DNA-binding studies of Ru(II) complexes with calf thymus DNA (CT-DNA) were investigated by UV-vis, viscosity measurements, gel-electrophoresis and fluorescence spectroscopy. The new complexes have been used as catalysts in C-C coupling reaction and in the oxidation of alcohols to their corresponding carbonyl compounds by using NMO as co-oxidant and molecular oxygen (O-2) atmosphere at ambient temperature. Further, the new binucleating thiosemicarbazone ligands and their Ru(II) complexes were also screened for their antibacterial activity against Klebsiella pneumoniae, Shigella sp., Micrococcus luteus, Escherichia coli and Salmonella typhi. From this study, it was found out that the activity of the complexes almost reaches the effectiveness of the conventional bacteriocide. (C) 2011 Cairo University. Production and hosting by Elsevier B.V. All rights reserved.
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