The biological activity of metal(ii) complexes of tetrazolo[1,5-a]pyrimidine ligands show that the copper(ii) complexes may act as promising anticancer agents.
A series of N-benzoylated ligands incorporating three different benzoyl groups 2,2'-(benzoyliminodiethylene)-4substituted phenols (L 1,4,7 ), 2,2'-(4-nitrobenzoyliminodiethylene)-4-substituted phenols (L 2,5,8 ) and 2,2'-(3,5dinitrobenzoyliminodiethylene)-4-substituted phenols (L 3,6,9 ) were synthesized and characterized by IR, 1 H NMR, 13 C NMR and mass spectroscopy. The In vitro antibacterial activity of investigated ligands were tested against human pathogenic bacteria such as four Gram (-) Enterococcus faecalis, Pseudomonas aeruginosa, Staphylococcus aureus, Vibrio cholera, Vibrio harveyi and two Gram (+) Staphylococcus aureus, Streptococcus mutans. Furthermore, docking studies were undertaken to gain insight into the possible binding mode of these compounds with the binding site of the topoisomerase II (PDB: 4FM9) enzyme which is involved in DNA superhelicity and chromosome seggregation. The Nbenzoylated derivatives L 5, 7, 8 have significant anticancer activity as Topoisomerase inhibitors. The ligands L 5 and L 8 were tested for their anticancer activity against human liver adenocarcinoma (HepG2) cell line with the MTT assay.
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