Water-soluble Cobalt(II) & Cobalt(III) complexes supported by new triazine Schiff base ligands: Synthesis, structure and biological evaluation

Publication date: Available online 12 October 2018Source: Journal of Photochemistry and Photobiology B: BiologyAuthor(s): S. Parveen, G. Velmurugan, Ekkehard Sinn, P. Venuvanalingam, S. GovindarajanAbstractA new class of triazine ligands (E)-2-(2-(6–methyl-5-oxo-2,5-dihydro-1,2,4-triazin-3-yl)hydrazono)propanoic acid hydrate (HL1.H2O) and (Z)-2-(((E)-4-amino-6-methyl-5-oxo-4,5-dihydro-1,2,4-triazin-3(2H)ylidene)hydrazono)propanoic acid (H2L2) has been synthesized by the condensation reaction of pyruvic acid with diaminoguanidine and triaminoguanidine respectively. The corresponding Schiff base cobalt complexes [Co(L1)2].2H2O (1) and [Co(HL2)(L2)].H2O (2) have also been synthesized and characterized by analytical, thermal, spectroscopic and diffraction studies. Strong field ligand results...

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