Abstract
(Hetero)arylated bicyclo[1.1.1]pentanes (BCPs) are important for the construction of complex druglike target molecules. Herein, we developed a method for light-induced, Cs2CO3-promoted homolytic cleavage of pyridinium C-N bonds for generating alkyl radicals from amino acid-derived Katritzky salts and use of the radicals for functionalization of [1.1.1]propellane to rapidly generate (hetero)arylated BCPs. The method features excellent functional group tolerance and a broad substrate scope and can be used to functionalize structurally complex natural products.
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