Abstract
Herein, we report a visible light-induced diheteroarylation reaction of [1.1.1]propellane to synthesize 1,3-diheteroaryl bicyclo[1.1.1]pentanes (BCPs). In this approach, heteroaryl radicals are generated from heteroaryl halides via photocatalysis and subsequently added to [1.1.1]propellane. The in situ generated BCP radicals are then trapped by various heterocycles to furnish 1,3-diheteroaryl BCPs. Notably, this strategy features metal-free, mild conditions and utilizes inexpensive catalyst. For the first time, the diheteroarylation of [1.1.1]propellane could be achieved via a radical strategy, allowing for the efficient synthesis of 1,3-diheteroaryl BCPs with various applications in organic and medicinal chemistry.
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