alexa Di- and triorganotin(IV) esters of 3,4-methylenedioxyphenylpropenoic acid: synthesis, spectroscopic characterization and biological screening for antimicrobial, cytotoxic and antitumor activities.
Chemistry

Chemistry

Medicinal Chemistry

Author(s): Ahmad MS, Hussain M, Hanif M, Ali S, Qayyum M,

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Abstract Nine biologically significant organotin(IV) esters of 3,4-Methylenedioxyphenylpropenoic acid (L) were synthesized with the general formulae [R2SnL2], where R includes Me(1), Et(3), But(4), Oct(5), Ph(8), and [R3SnL], in which R is Me(2), Cy(6), Ph(7), and But(9). The acid and its compounds were characterized by basic analytical techniques comprising elemental analysis, FTIR and mass spectrometry in solid state and by Multinuclear (1H, 13C and 119Sn) NMR in solution form, which provides some important information about the different coordination behaviors of metal in both solid and solution. Methylenedioxy moiety in these compounds enhances the biological activity of these compounds. These compounds were screened for a range of biological activities. Antibacterial activities were determined against six pathogenic bacterial strains, three gram-positive and three gram-negative, the activities were measured in terms of inhibition zones (mm). Results demonstrate that diorganotin derivatives are more active than triorganotin derivatives and ligand acid. Antifungal activity was determined against six pathogenic fungal strains, cytotoxicity by the brine shrimp lethality assay, and antitumor activity by crown gall tumor inhibition (potato disc) assay. Results for antifungal activity, cytotoxicity, and antitumor activity of these compounds demonstrate that triorganotin derivatives are more active than diorganotin derivatives and ligand. Finally, the results were compared with similar reports in the literature. This article was published in Chem Biol Drug Des and referenced in Medicinal Chemistry

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