Synthesis of Formylsilanes through Oxidative Cleavage of α‑Silyl Glycols

A convenient method for the synthesis
and isolation of highly reactive
formylsilanes by oxidative cleavage of α-silyl glycols is presented.
The mild conditions provide an entry to acid- and heat-sensitive members
of this theoretically intriguing class of compounds. The utility of
the method is demonstrated through the isolation and subsequent diastereoselective
derivatization of t-BuMe2- and t-BuPh2-formylsilanes, previously not reported
in isolated form.