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2023-01-05

2023-01-05 10:55浏览数:85

Electrochemically driven [4+2] benzannulation: synthesis of polycyclic (hetero)aromatic compounds

Abstract: A green and economical electrochemical protocol has been developed to synthesize polycyclic (hetero)aromatic compounds by the [4+2] benzannulation of biaryldiazonium salts with alkynes. This protocol features a broad substrate scope. Instead of requiring diazonium reagents, these reactions can begin from anilines and can be carried out in one pot. Moreover, the readily accessible scale-up synthesis achieved by using an electrochemical flow cell demonstrates the synthetic potential of this protocol.

Liu Yunlong, et al. Electrochemically driven [4+ 2] benzannulation: synthesis of polycyclic (hetero) aromatic compounds. Chemical Communications, 2023

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