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Intramolecular Aromatic C-H Acyloxylation Enabled by Iron Photocatalysis

Siqi Xia, Kunjun Hu, Chuanhu Lei* and Jian Jin*

*Shanghai University, 99 Shangda Road, Shanghai 200444; SIOC, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 20032, China, Email:,

S. Xia, K. Hu, C. Lei, J. Jin, Org. Lett., 2020, 22, 1385-1389.

DOI: 10.1021/acs.orglett.0c00002

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Iron photocatalysis enables a mild and efficient intramolecular aromatic C-H oxygenation of 2-biphenylcarboxylic acids to furnish benzocoumarins with a diverse array of substituents in very good yields.

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Key Words

benzo-fused O-heterocycles, sodium bromate, photochemistry

ID: J54-Y2020