期刊
SYNLETT
卷 24, 期 19, 页码 2492-2505出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0033-1339874
关键词
electron transfer; green-chemistry; homogeneous catalysis; photochemistry; free radicals; radical reactions
资金
- Ministry of Education, Culture, Sports, Science of the Japanese Government [23750174, 22350024, 24108101]
- Grants-in-Aid for Scientific Research [23750174, 22350024, 24108101] Funding Source: KAKEN
Photoredox catalysis by well-known ruthenium(II) polypyridine complexes and appropriate cyclometalated iridium(III) derivatives is a useful tool for redox reactions in synthetic chemistry, because these materials can effectively catalyze single-electron-transfer (SET) processes by irradiation with visible light. This provides a new strategy for efficient and selective radical reactions. We have developed several photocatalytic reactions in which organic radicals are generated by photoredox catalysis and which have remarkable merits in terms of green and sustainable chemistry. 1Introduction 2Photoredox Cycles of [Ru(bpy)(3)](2+) and Cyclometalated Iridium Complexes 3Radical Reactions that Occur Through a Reductive Quenching Cycle 3.1Oxyamination of Enamines 3.2Tin-Free Giese-Type Reactions Through Oxidation of Organoborates 4Radical Reactions Through an Oxidative Quenching Cycle 4.1Two-Electron Transfer Process Mediated by Duroquinone: Oxidative Coupling of an Enamine with a Silyl Enol Ether 4.2Radical Trifluoromethylation of Alkenes 5Conclusions and Outlook
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