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Communication: Synthesis of a Novel Triphenyltin(IV) Derivative of 2-Mercaptonicotinic Acid with Potent Cytotoxicity in vitro

摘要


A novel triphenyltin(IV) derivative of 2-mercaptonicotinic acid (H_2mna) of formula {[(C_6H_5)_3Sn]_2(mna)‧[(CH_3)_2CO]} (1) has been synthesized and characterized by elemental analysis and ^1H, ^(13)C-NMR, and FT-IR spectroscopic techniques. The crystal structure of complex (1) has been determined by single crystal X-ray diffraction analysis at 173(1) K. Compound (1) contains two triphenyltin moieties linked by a doubly de-protonated 2-mercaptonicotinic acid (H_2mna). It is an example of a pentacoordinated Ph_3SnXY system with an axial-equatorial arrangement of the phenyl groups at Sn(1). Compound (1), exhibits potent, in vitro, cytotoxicity against sarcoma cancer cells (mesenchymal tissue) from the Wistar rat, polycyclic aromatic hydrocarbons (PAH, benzo[a]pyrene) carcinogenesis.

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