Synthesis, Characterization and Cytotoxicity Evaluation of New Biimidazole Palladium(II) Complexes with Thioureas
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Slovensko Kemijsko Drustvo
Slovenian Chemical Society
Slovenian Chemical Society
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The reactions between [PdCl2(tmbiimH(2))]center dot H2O (1) {tmbiimH(2) = 2,2'-bis(4,5-dimethylimidazole)} and thiourea (tu), N-methylthiourea (mtu), N-phenylthiourea (ptu), N,N'-dimethylthiourea (dmtu) or N,N'-diphenylthiourea (dptu) in the 1:2 molar ratio resulted in the compounds [PdL2(tmbiimH(2))]Cl-2 center dot nH(2)O{L = tu (2), mtu (3), ptu (4), dmtu (5) and dptu (6)}, which were characterized by elemental analyses, infrared (IR), and H-1 NMR spectroscopies and conductivity measurements. The IR spectra of 1-6 were consistent with the presence of chelating tmbimH(2) ligand. All compounds and cisplatin were tested in vitro by MTT assay for their cytotoxicity against three murine cancer cell lines: mammary adenocarcinoma (LM3), lung adenocarcinoma (LP07) and mouse fibroblast (L929) cells. Relating the series of compounds to their biological activities we found compound 6 as the most promising of them.
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Acta Chimica Slovenica. Ljubljana: Slovensko Kemijsko Drustvo, v. 65, n. 3, p. 547-553, 2018.
