Abstract
AbstractThe synthesis, structural characterization, and NMR studies of new tin(II) alkoxides with thiophene‐based substituents are presented. The reaction of ligand HO–C(C4H3S)3 (1) with bis(hexamethyldisilazyl)tin {Sn[N(SiMe3)2]2} in the ratio 2:1 in toluene yields the dinuclear compound {Sn[OC(C4H3S)3]2}2·2 toluene (2). The same reaction in tetrahydrofuran allows the isolation of two compounds: a dinuclear {Sn[OC(C4H3S)3]2}2·2 thf (3) and a mononuclear Sn[OC(C4H3S)3]2(thf) (4) molecule. The molecular structures of these tin(II) methoxides containing thienyl substituents 2–4 were investigated by single‐crystal X‐ray crystallography. The NMR spectra of solutions of {Sn[OC(C4H3S)3]2}2·2 toluene (2) or {Sn[OC(C4H3S)3]2}2·2 thf (3) and Sn[OC(C4H3S)3]2(thf) (4) are almost identical, showing only variations of the molar ratio of the dimeric and monomeric compounds.
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