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IJC-A Vol.47A(06) [June 2008] >


Title: Synthesis, characterization and biological properties of ruthenium(III) Schiff base complexes derived from 3-hydroxyquinoxaline-2-carboxaldehyde
Authors: Chittilappilly, Pearly Sebastian
Yusuff, K K Mohammed
Issue Date: Jun-2008
Publisher: CSIR
Abstract: Ruthenium(III) complexes of the Schiff bases derived from 3-hydroxyquinoxaline-2-carboxaldehyde and o-phenylenediamine, o-aminophenol or 2-aminobenzimidazole (qpd, qap and qab, respectively) and the Schiff bases derived from salicylaldehyde and o-phenylenediamine, o-aminophenol or 2-aminobenzi-midazole (salpd, salap and salab, respectively) have been prepared and characterized by elemental, spectral (FT IR, UV-vis, EPR and FAB mass), thermogravimetric, conductance and magnetic moment analyses. The complexes exhibit the following molecular formulae: [Ru₂(qpd)Cl₄(H₂O)₂].2H₂O, [Ru₂(qap) ₂Cl₂(H₂O)₂].H₂O, [Ru₂(qab)₂Cl₄(H₂O)₂].3H₂O, [Ru₂(salpd)₃Cl₂(H₂O)₂], [Ru₂(salap)₄Cl₂].H₂O and [Ru(salab)(H₂O)₄]Cl₂.H₂O. An octahedral structure has been tentatively proposed for all the new complexes. The synthesized ligands and complexes have been tested for in vitro growth inhibitory activity against gram positive bacteria Klebsiella pneumoniae, gram negative bacteria Escherichia coli and Pseudomonas aeruginosa. The complexes are active while the ligands are inactive towards the bacteria under study.
Page(s): 848-853
ISSN: 0376-4710
Source:IJC-A Vol.47A(06) [June 2008]

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