Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 72, Issue 3, Pages 670-676Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2008.10.028
Keywords
Octahedral Ru(III) Schiff base complexes; Powder XRD; Electrochemical; Catalytic activity; Antibacterial
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An octahedral ruthenium(III) Schiff base complexes of the type [RuX(EPh3)(L)] (where, X=Cl/Br; E=As/P; L=dianion of the Schiff bases derived from acetoacetanilide with o-phenylenediamine and salicylaldehyde/o-hydroxyacetophenone/o-vanillin/2-hydroxy-1-naphthaldehyde) have been synthesized from the reactions of equimolar reactions of [RuX3(EPh3)(3)] and Schiff bases in benzene. The new Ru(III) Schiff base complexes have been characterized by elemental analyses. FT-IR, electronic, H-1 NMR and C-13 NMR spectra, EPR spectral studies, powder X-ray diffraction (XRD) and electrochemical Studies. The new complexes were found to be effective catalysts for aryl-aryl coupling and the oxidation of alcohols into their corresponding carbonyl compounds, respectively, using molecular oxygen atmosphere at ambient temperature. Further, the new Ru(III) Schiff base complexes were screened for their antibacterial activity against Pseudomonas aeruginosa, Vibrio cholera, Salomonella typhi and Stophylococcus aureaus. Crown Copyright (c) 2008 Published by Elsevier B.V. All rights reserved.
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