tailieunhanh - Nickel(II)-PPh3 complexes with ONS and ONN chelating thiosemicarbazones: Synthesis and inhibition potential on influenza A viruses

Tetra-coordinated nickel(II) complexes of two ONS (1, 2) and seven ONN (3a–3g) chelating 2-hydroxy3-methoxy-benzaldehyde thiosemicarbazones were synthesized. The dibasic ligands and complexes bearing PPh 3 as a coligand were characterized by means of analytical and spectroscopic data. Cytotoxic activities of the ligands and nickel(II) complexes were determined using the MTT assay in vitro against MDCK cells, and then all the compounds were tested on influenza virus replication by plaque assays. The compounds showed GI 50 values varying from concentrations of up to µ g/mL for MDCK cells. |

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