A green and novel multi-component reaction for direct perfluoroalkylation/heteroarylation of [1.1.1]propellane with heteroarenes and perfluoroalkyl iodines is described. This transformation is facilitated by visible light in the absence of any transition-metal catalysts and photocatalysts. Various heteroarenes and perfluoroalkyl iodines are well compatible, providing the corresponding products in moderate-to-good yields. The control experiments demonstrate that a radical-relay mechanism is responsible for the cascade reaction. Such a methodology offers an efficient and practical access to diverse 1-perfluoroalkyl-3-heteroaryl bicyclo[1.1.1]pentanes (BCPs) with the potential for various applications in organic synthesis.
Herein, a green and novel multi-component reaction for direct perfluoroalkylation/heteroarylation of [1.1.1]propellane with heteroarenes and perfluoroalkyl iodines has been described. This transformation is facilitated by visible light in the absence of any transition-metal catalysts and photocatalysts. Various heteroarenes and perfluoroalkyl iodines are well compatible, providing the corresponding products in moderate-to-good yields. The control experiments demonstrate that a radical-relay mechanism is responsible for the cascade reaction. Such a methodology offers an efficient and practical access to diverse 1-perfluoroalkyl-3-heteroaryl bicyclo[1.1.1]pentanes (BCPs) with the potential for various applications in organic synthesis.
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