Synthesis, catalytic and antibacterial activity of ruthenium complexes of 2, 2â ²-dithiobis [N-(2-hydroxy-naphth-3-yl) benzamides]
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26 November 2022
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Reaction of 2, 2â ²-dithiobis [N-(2-hydroxy-naphth-3-yl) benzamides](1) with RuCl3. 3H2O, followed by addition of secondary ligands (L= triphenylphosphine (PPh3), 1, 10-phenanthroline (Phen), pyridine (Py), 2, 4-diaminotoluene (Diam)), yielded five binuclear metal complexes (1a-e). All the compounds were characterised through elemental analyses, magnetic measurements and spectroscopy. Coordination was found to be through the carbonyl oxygen of amide and hydroxyl oxygen of naphthol in an octahedral environment. 1a-e were found to be effective catalysts for the oxidation of benzyl alcohol and cyclohexanol to benzaldehyde and cyclohexanone in the presence of cooxidant NMO. All the synthesized complexes showed antibacterial properties.
