Synthesis, characterization and DNA-intercalation studies of two ferrocene-based Fe-Sn heterobimetallic compounds, and crystal structure of trimethyltin (p-ferrocenyl)benzoate
In this article, we report the synthesis of two (A3 and A4) new ferrocene-based heterobimetallic compounds of Fe and Sn. Both compounds are structural isomers with formula (C5H5)Fe(C5H4C6H4COO)Sn(CH3)3 and have been characterized by elemental analysis, cyclic voltammetry, FTIR, UV–Vis and NMR spectroscopy. Additionally, the structure of A3 was confirmed by single-crystal XRD studies. XRD studies confirmed that in the solid phase A3 exists as a unidirectional polymeric material. DNA-binding potential of these compounds was evaluated by UV–Vis spectroscopy, cyclic voltammetry, and viscosity measurements. These interaction assays conclude that A3 (binding constant ~104 M−1) and A4 have good attraction toward DNA and bind with DNA in intercalative manner.
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