Just ask silicon: An experimentally straightforward yet effective Walden-type analysis showcases the usefulness of silanes with a stereogenic silicon center as stereochemical probes. The B(C6F5)3-catalyzed hydrosilylation and likely the related hydrogenation proceed through linear B-H-Si-O transition states, as verified by flawless inversion of the absolute configuration at silicon (see scheme).
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Rendler et al. (2008) studied this question.
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