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Synthesis and antitumor activity of aza-chalcones and their Pt(IV) complexes

Shuxiang Wang, Wenqing Shao, Jie Duan, Qian Zhang, Hongxin Jiang, Jinchao Zhang, Ke Wang

Eight aza-chalcones L1-8 and eight new platinum(IV) complexes C1-8 with aza-chalcones were synthesized. The complexes have been characterized by elemental anaylsis, IR spectra, electronic spectrum and 1H NMR. The cytotoxicity was tested byMTT assays and compared with the cytotoxicity of cisplatinum. The results indicate that the complexes C1-3 and C5-8 have cytotoxicity against tested A-549 cell line; moreover, the cytotoxicity of complexes C6 approached cisplatinum. The complexes C3, C4 and C6 have cytotoxicity against tested Hela cell line, but the cytotoxicity of these complexes is lower than cisplatinum.Most of the coorespounding ligands have no cytotoxicity against tested two cell lines, and the cytotoxicity of all ligands is lower than complexes.The results suggest that the cytotoxicity of all complexes againstA-549 cell line is better than against Hela cell line.