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Metal exchange between the lithium amide MeSi[SiMe2N-(Li)But]3 and TlCl yields the corresponding thallium amide MeSi[SiMe2N(Tl)But]3 1 which aggregates in the solid through weak attractive Tl⋯Tl interactions to form infinite molecular chains; competing redox chemistry leads to the dimetallated species HC[SiMe2N(Tl)But]2[SiMe2NHBut] 2 in the analogous metal-exchange process involving the trisilylmethane derivative.
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Hellmann et al. (1996) studied this question.
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