Experiments reveal silicon-carbon bond cleavage in trialkylsilyl alkynes, implying novel reactivity in hydroboration reactions.
The reactions of internal pyridyl/trialkylsilyl alkynes with the potent hydroboration reagent bis(1-methyl- ortho -carboranyl)borane (HB Me o Cb 2 ) results in unanticipated Si-C alkyl cleavage following a regioselective 1,1-hydroboration under mild conditions. The rare Si-Me bond rupture...
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Akram et al. (2026) studied this question.
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