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September 28, 2025Open Access

Visible Light‐Promoted Aerobic Oxidation of Boronic Acids and Esters Utilizing a Benzothioxanthene Imide as the Photocatalyst

SSStamatis K. ServiouNational and Kapodistrian University of Athens PGPetros L. GkizisNational and Kapodistrian University of Athens DSDarío Puchán SánchezCentre National de la Recherche Scientifique

Key Points

The aerboic photochemical oxidation of boronic acids occurs efficiently with a dibenzothioxanthene imide as photocatalyst.
Using just 0.01% catalyst loading and irradiation at 456 nm proves the method's efficiency and sustainability.
Success across various substrates shows that the visible light-promoted method has broad application potential.
This approach highlights a greener alternative for chemical synthesis in organic chemistry.

Abstract

Herein, a sustainable and eco‐friendly protocol is reported for the aerobic photochemical oxidation of boronic acids or esters, utilizing a dibenzothioxanthene imide as the photocatalyst at a very low catalyst loading (0.01%) in 2‐propanol, employing a 456 nm irradiation source. Additionally, this protocol is successfully applied to a variety of substrates.

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