Photochemically-Enabled Umpolung Conversion of 2-Acyloxybenzaldehydes into 2-Hydroxybenzofuranones

Photochemically-Enabled Umpolung Conversion of 2-Acyloxybenzaldehydes into 2-Hydroxybenzofuranones

2-Acyloxybenzaldehydes are converted into 2-hydroxybenzofuranones in good to excellent yields (60–99%). The reaction proceeds at room temperature in DMSO upon 365 nm LED irradiation under photocatalyst-free conditions. The present atom-economical synthetic approach represents the aldehyde group umpo...

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Main Authors: Victoria E. Opryshko, Svetlana A. Krasnova, Andrey A. Mikhaylov, Yulia A. Bogdanova, Alexander Yu. Smirnov, Mikhail S. Baranov, Dmitrii S. Ivanov
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Molecules
Subjects:
cyclization
photochemical reactions
benzofuranones
2-acyloxybenzaldehydes
carbonyl umpolung
acyl radical
Online Access:https://www.mdpi.com/1420-3049/30/15/3080
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