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Issue 79, 2014
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Visible light-promoted metal-free sp3-C–H fluorination

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Photoexcited acetophenone can catalyze the fluorination of unactivated C(sp3)–H groups. While acetophenone, a colorless oil, only has a trace amount of absorption in the visible light region, its photoexcitation can be achieved by irradiation with light generated by a household compact fluorescent lamp (CFL). This operational simple method provides improved substrate scope for the direct incorporation of a fluorine atom into simple organic molecules. CFL-irradiation can also be used to promote certain classic UV-promoted photoreactions of colorless monoarylketones and enones/enals.

Graphical abstract: Visible light-promoted metal-free sp3-C–H fluorination

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The article was received on 23 Jul 2014, accepted on 14 Aug 2014 and first published on 14 Aug 2014

Article type: Communication
DOI: 10.1039/C4CC05650G
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Chem. Commun., 2014,50, 11701-11704

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    Visible light-promoted metal-free sp3-C–H fluorination

    J. Xia, C. Zhu and C. Chen, Chem. Commun., 2014, 50, 11701
    DOI: 10.1039/C4CC05650G

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