Synthesis, Structure and Biological Activity of Some Diorganotin(IV) with Benzamidomethionine

  •  Yang Farina    
  •  Abdualbasit Graisa    
  •  Emad Yousif    


New series of diorganotin(IV) complexes of the type Ph2SnL2, Bu2SnL2 and Me2SnL2 of the ligand benzamidomethionine (LH). Ligand formed by reaction of benzoyl chloride with methionine in presence of sodium hydroxide. The prepared complexes were characterized by elemental analysis, infrared, conductance measurements and nuclear magnetic resonance (1HNMR and 13CNMR) spectral data. From the spectral measurements, monomer structures for the complexes were proposed. Bidentate and Octahedral geometry was proposed for the complexes prepared. Preliminary in vitro tests for fungicidal activity show that all prepared compounds display good activity to Gibberela, Cercospora arachidicola, Physolospora piricola and Fusarium oxysporum. Moreover, the Ph2SnL2 show a higher inhibition percentage then diorganotin carboxylate. 

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