Synthesis, spectral characterization and biological applications of tri-and diorganotin (IV) derivatives of 2-[N-(2,6-dichloro-3-methylphenyl) amino] benzoic acid

A series of tri- and diorganotin(IV) compounds with the general formulae $R_3SnL$ and $R_2SnL_2$ (where R = Me, n-Bu, Ph and L = 2-[N-(2,6-dichloro-3-methylphenyl)-amino]benzoate) were synthesized. These compounds were characterized by different instrumental methods such as infrared, multinuclear NMR ($^1H$, $^{13}C$, $^{119}Sn$) and mass spectrometry. The spectroscopic investigation illustrates that the carboxylate group acts as a bidentate in solid state and as a monodentate in solution. Biological screening tests reveal that the investigated compounds have potential as antibacterial agents.