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Photoredox-catalyzed silyldifluoromethylation of silyl enol ethers.
Beilstein Journal of Organic Chemistry ( IF 2.7 ) Pub Date : 2020-06-29 , DOI: 10.3762/bjoc.16.126
Vyacheslav I Supranovich 1 , Vitalij V Levin 1 , Alexander D Dilman 1
Affiliation  

A method for the light-mediated fluoroalkylation of silyl enol ethers with (bromodifluoromethyl)trimethylsilane followed by a reduction of the primary products with sodium borohydride is described. An 18 W, 375 nm LED was used as the light source. The reaction is performed in the presence of a gold photocatalyst, which effects the generation of a (trimethylsilyl)difluoromethyl radical via cleavage of the carbon–bromine bond.

中文翻译:

甲硅烷基烯醇醚的光氧化还原催化的甲硅烷基二氟甲基化。

描述了一种用(溴二氟甲基)三甲基硅烷将甲硅烷基烯醇醚进行光介导的氟代烷基化,然后用硼氢化钠还原初级产物的方法。使用18 W,375 nm的LED作为光源。该反应在金光催化剂的存在下进行,金光催化剂通过碳-溴键的裂解影响(三甲基甲硅烷基)二氟甲基自由基的产生。
更新日期:2020-06-29
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