Issue 70, 2024

Dehydrogenative cyclization of 2-arylbenzoic acid and 2-arylbenzamide with hydrogen evolution in a photoelectrochemical cell

Abstract

This paper describes photoelectrochemical dehydrogenative cyclization of 2-arylbenzoic acid and 2-arylbenzamide in a PEC cell consisting of a mesoporous WO3 photoanode and Pt cathode. The cyclization reaction is effectively driven by this PEC system at room temperature with blue LED irradiation under external oxidant- and metal-free conditions, delivering a series of benzolactones and benzolactams in up to 95% isolated yields. Meanwhile, hydrogen is released as the only byproduct of this process.

Graphical abstract: Dehydrogenative cyclization of 2-arylbenzoic acid and 2-arylbenzamide with hydrogen evolution in a photoelectrochemical cell

Supplementary files

Article information

Article type
Communication
Submitted
10 Jun 2024
Accepted
01 Aug 2024
First published
02 Aug 2024

Chem. Commun., 2024,60, 9416-9419

Dehydrogenative cyclization of 2-arylbenzoic acid and 2-arylbenzamide with hydrogen evolution in a photoelectrochemical cell

H. Li, K. Qiao, W. Jiang, F. Li and L. Shi, Chem. Commun., 2024, 60, 9416 DOI: 10.1039/D4CC02792B

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