Journal article

Synthesis and Antiproliferative Activity of New Ruthenium Complexes with Ethacrynic-Acid-Modified Pyridine and Triphenylphosphine Ligands

Pyridine- and phosphine-based ligands modified with ethacrynic acid (a broad acting glutathione transferase inhibitor) were prepared and coordinated to ruthenium(II)-arene complexes and to a ruthenium(III) NAMI-A type complex. All the compounds (ligands and complexes) were fully characterized by analytical and spectroscopic methods and, in one case, by single-crystal Xray diffraction. The in vitro anticancer activity of the compounds was studied, with the compounds displaying moderate cytotoxicity toward the human ovarian cancer cell lines. All the complexes led to similar levels of residual GST activity in the different cell lines, irrespective of the stability of the Ru-ligand bond.


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