Photoinduced Electron Donor–Acceptor Complex‐Enabled Transformations Involving Boron‐Containing Compounds

This review explores the emerging application of boron-containing compounds in visible-light-induced transformations via electron donor–acceptor (EDA) complexes. It focuses on the development of CC, CB, and CS bonds formation through the EDA pathway, highlighting key advances, challenges, and the advantages of this milder method compared to traditional photoredox systems that rely on additional catalysts or photosensitizers.

Over the past decades, visible-light-driven reactions have emerged as a powerful tool in organic synthesis. Unlike traditional photoredox reactions that require additional catalysts or photosensitizers, electron donor–acceptor (EDA) complex-mediated photochemistry offers a simpler and more cost-effective approach to achieving diverse radical transformations without the need for noble catalysts. Among these, the use of boron-containing compounds as electron donors or acceptors in EDA complexes has garnered significant attention due to their unique properties. This review highlights recent advances in visible-light-induced EDA complex-mediated transformations involving boron-containing compounds, focusing on their applications in constructing CC and CB bonds and elucidating the underlying reaction mechanisms.

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