Abstract
Ruthenium complexes are synthesized with Schiff bases derived from salicylaldehyde/o-hydroxyacetophenone/o-vanillin/2-hydroxy-1-naphthaldehyde with thiosemicarbazide and thiophenecarboxaldehyde. Ruthenium coordinates in a tetradendate manner with these N2O2 donor ligands, which are characterized by elemental analysis, IR, electronic, and 1H NMR, 13C NMR spectral studies. The elemental analysis suggests the stoichiometry to be 1:1 (metal:ligand). The redox behavior of the complexes has been investigated by cyclic voltammetric technique in the potential range −2.0 to +2.0 V. All the complexes were screened for their antimicrobial activity against two bacteria and two fungi. Further, two of these complexes were tested for its binding with CT-DNA using absorption studies.
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