Abstract
Five-coordinated anionic tin (IV) complexes [C5H5NH][Ph2Sn (μ2-SCH2COO)C was synthesized by the reaction of mercaptoacetic acid with diphenyltin dichloride in the present of pyridine. The structure was characterized by elemental analysis, IR, 1H NMR. The crystal structure of [C5H5N[Ph2Sn (μ2-SCH2COO)C was determined by X-ray crystallography. The structure consists of an anion part, and a pyridinium cation part as a counterion. The tin atom has a distorted cis-tbp geometry with two carbon and one sulfur atoms occupying the equatorial positions and the o atom and Cl atom occupying the axial positions. We tested the activity of the product in vitro antitumor for A-549, HCT-8 and Bel-7402, results showed that the compound has a strong anti-tumor activity for A-549, HCT-8, IC50 values were 0.91 and 0.34 μg ml-1, respectively.
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