Abstract
The new sodium bis(1-methyl-1 H-imidazol-2-ylthio)acetate, Na[( S-tim) 2CHCO 2], has been prepared in ethanol solution using 2-mercapto-1-methylimidazole, dibromoacetic acid and NaOH. New di- and tri-organotin(IV) derivatives have been synthesized from reaction between SnR n Cl 4− n (R = Ph, Cy and n Bu, n = 2–3) acceptors and Na[( S-tim) 2CHCO 2]. Complexes of the type {[κ 1 O-( S-tim) 2CHCO 2]SnR 3} and related decarboxylated species {[κ 2 N, N-( S-tim) 2CH 2]SnR 2Cl 2} have been obtained and characterized by elemental analyses, FT-IR, ESIMS and multinuclear ( 1H, 13C and 119Sn) NMR spectral data. The adduct {κ 1 O-[( S-tim) 2CHCO 2]Sn(H 2O)(C 4H 9) 3} was characterized by single crystal X-ray studies. The dichloromethane reaction solution of {κ 1 O-[( S-tim) 2CHCO 2]Sn(C 6H 5) 3} was re-crystallized and the decarboxylated species {[( S-tim) 2CH 2]SnCl(H 2O)(C 6H 5) 3} was obtained as a crystalline solid and characterized by X-ray crystallography.
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