期刊
ORGANIC CHEMISTRY FRONTIERS
卷 2, 期 4, 页码 319-323出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4qo00352g
关键词
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资金
- Japanese government [26288045]
- Japanese Government (Monbukagakusho: MEXT) Scholarship [121540]
- Grants-in-Aid for Scientific Research [26288045] Funding Source: KAKEN
A facile and environmentally benign protocol for alkyl- and aryl-thioalkylation of olefins has been developed. Photoredox catalysis with an Ir photocatalyst, [Ir(dF(CF3)ppy)(2)(bpy)](PF6) (dF(CF3) ppy: 5-trifluoromethyl-2-(2,4-difluorophenyl)pyridine, bpy: 2,2'-bipyridine), induces efficient oxidation of a variety of alkyl- and aryl-thioalkyltrifluoroborates under visible light irradiation at room temperature, leading to the generation of alpha-thioalkyl radicals via deboronation. The generated alpha-thioalkyl radicals smoothly react with electron-deficient olefins to afford addition products in good yields. The present photocatalytic method provides us with simple and new access to a range of alkylsulphides under mild reaction conditions.
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