期刊
CHEMICAL REVIEWS
卷 122, 期 2, 页码 2429-2486出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemrev.1c00256
关键词
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资金
- National Natural Science Foundation of China [21772121, 21971163]
- SIOC
This review comprehensively summarizes the recent progress in alkoxy radical-mediated transformations under visible light irradiation. The mechanisms of alkoxy radical generation and their impact on synthetic utilizations are discussed. The catalytic generation of alkoxy radicals from abundant alcohols is still in the early stage, but holds great potential.
Alkoxy radicals are highly reactive species that have long been recognized as versatile intermediates in organic synthesis. However, their development has long been impeded due to a lack of convenient methods for their generation. Thanks to advances in photoredox catalysis, enabling facile access to alkoxy radicals from bench-stable precursors and free alcohols under mild conditions, research interest in this field has been renewed. This review comprehensively summarizes the recent progress in alkoxy radical-mediated transformations under visible light irradiation. Elementary steps for alkoxy radical generation from either radical precursors or free alcohols are central to reaction development; thus, each section is categorized and discussed accordingly. Throughout this review, we have focused on the different mechanisms of alkoxy radical generation as well as their impact on synthetic utilizations. Notably, the catalytic generation of alkoxy radicals from abundant alcohols is still in the early stage, providing intriguing opportunities to exploit alkoxy radicals for diverse synthetic paradigms.
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