Issue 1, 2022

Stepwise benzylic oxygenation via uranyl-photocatalysis

Abstract

Stepwise oxygenation at the benzylic position (1°, 2°, 3°) of aromatic molecules was comprehensively established under ambient conditions via uranyl photocatalysis to produce carboxylic acids, ketones, and alcohols, respectively. The accuracy of the stepwise oxygenation was ensured by the tunability of catalytic activity in uranyl photocatalysis, which was adjusted by solvents and additives demonstrated through Stern–Volmer analysis. Hydrogen atom transfer between the benzylic position and the uranyl catalyst facilitated oxygenation, further confirmed by kinetic studies. Considerably improved efficiency of flow operation demonstrated the potential for industrial synthetic application.

Graphical abstract: Stepwise benzylic oxygenation via uranyl-photocatalysis

Supplementary files

Article information

Article type
Communication
Submitted
29 Okt. 2021
Accepted
13 Dec. 2021
First published
13 Dec. 2021

Green Chem., 2022,24, 124-129

Stepwise benzylic oxygenation via uranyl-photocatalysis

D. Hu and X. Jiang, Green Chem., 2022, 24, 124 DOI: 10.1039/D1GC04042A

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