Applications of Halogen-Atom Transfer (XAT) for the Generation of Carbon Radicals in Synthetic Photochemistry and Photocatalysis

Fabio Julia Hernandez, Timothée Constantin, Daniele Leonori

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Abstract

The halogen-atom transfer (XAT) is one of the most important and applied processes for the generation of carbon radicals in synthetic chemistry. In this review, we summarise and highlight the most important aspects associated with XAT and the impact it has had on photochemistry and photocatalysis. The organisation of the material starts with the analysis of the most important mechanistic aspects and then follows a subdivision based on the nature of the reagents used in the halogen abstraction. This review aims to provide a general overview of the fundamental concepts and main agents involved in XAT processes with the objective of offering a tool to understand and facilitate the development of new synthetic radical strategies.
Original languageEnglish
Pages (from-to)2292-2352
Number of pages61
JournalChemical Reviews
Volume122
Issue number2
Early online date9 Dec 2021
DOIs
Publication statusPublished - 26 Jan 2022

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