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EN
The bis(4-tert-butylphenolato)dichlorotin(IV) complex of composition SnCl2(OC6H4But-4)2 (1) has been synthesized by the reaction of tin tetrachloride with bimolar amount of 4-t-butylphenol in benzene under reflux and characterized by elemental analyses, molar conductance measurements, molecular weight determination, IR, 1H, 13C NMR and FAB mass spectral techniques. Thermal behaviour of the complex has been investigated using TG-DTA technique. Lewis acid character of (1) has been explored by isolating its addition compounds with some nitrogeneous bases viz. diethylamine, triethylamine, imidazole, benzimidazole (L); 2,2'-bipyridyl, and 1,10-phenanthroline (B) of composition, SnCl2(OC6H4But-4)2×2L and SnCl2(OC6H4But-4)2×B, characterized by physicochemical and IR spectral studies.
EN
Bivalent tin(II)-4-methoxyphenoxide of composition Sn(OC6H4OMe-4)2 (1) has been synthesized from the reaction of SnCl2 with bimolar amounts of 4-methoxyphenol and diethylamine in tetrahydrofuran and characterized by elemental analysis, molar conductance measurement and IR spectral studies. Thermal behaviour of the complex has been studied by TGA-DTA techniques. The reactivity of (1) with HgCl2 has been investigated using potentiometric and cyclic voltammetric technique. Conductometric titration of complex (1) with sodium salt of 4-methoxyphenol suggests the formation of double phenoxide of composition Na2[Sn(OC6H4OMe-4)4]. Addition compounds of composition Sn(OC6H4OMe-4)2ź2L and Sn(OC6H4OMe-4)2źB (L = diethylamine and pyridine; B= l,10-phenanthroline and 2,2'-bipyridyl) have also been prepared and characterized by physicochemical and IR spectral studies. The complex (1) has also been screened for its antifungal activity.
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