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  • Chem Sci Trans., 2013, 2(S1),  pp S17-S24  

    DOI:10.7598/cst2013.211

    Research Article

    Spectrophotometric Study of Complexation Between Some Salen Type Schiff Bases and Dimethyltin(IV) Dichloride

  • ALI HOSSEIN KIANFAR and ISLAM ABROSHAN
  • Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Iran
    Department of Chemistry, Yasouj University, Yasouj, Iran
  • Abstract

    UV-Vis spectrophotometric study of the complex formation of Salen type Schiff bases as donors with Me2SnCl2 as an acceptor have been investigated in chloroform. The formation constants were measured using UV-Vis spectrophotometric titration for 1:1 complex formation and by Ketelaar equation in the range 15-30 oC. Thermodynamic parameters were determined by using Vonít Hoff equation. The formation constant of the Schiff bases with dimethyletin(IV) dichloride in chloroform decreases according to the following trend: 3- MeOSalen > 4- MeOSalen > 5- MeOSalen » Salen > 5- BrSalen and Me2Salen > Salbn » Salpn > Salen > Salophen

    Keywords

    Schiff base, Dimethyltin dichloride, Formation constant, Complex formation

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