Abstract

The facile synthesis of functionalized organoboron/silicon compounds by copper-catalyzed coupling of alkylsilyl peroxides and diboron/silylborane reagents is reported. The reactions proceed smoothly under mild, neutral conditions in short reaction times to generate organoboron/silicon compounds bearing a ketone moiety, which are useful synthetic intermediates that are otherwise difficult to access. The results of mechanistic investigations suggest the radical-mediated formation of carbon-boron and carbon-silicon bonds via β-scission of alkoxy radicals.

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