4.7 Article

Manganese(III)-mediated direct Csp2-H radical trifluoromethylation of coumarins with sodium trifluoromethanesulfinate

Journal

CHEMICAL COMMUNICATIONS
Volume 50, Issue 25, Pages 3359-3362

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc49689a

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Funding

  1. National Natural Science Foundation of China [20772088, 21172163]
  2. Priority Academic Program Development of Jiangsu Higher Education Institutions

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Mn(OAc)(3)-mediated direct C-sp2-H radical trifluoromethylation of coumarins with CF3SO2Na (Langlois reagent) to afford selective 3-trifluoromethyl coumarins in moderate to good yields is described. This methodology can also be applied to the trifluoromethylation of quinolinones and pyrimidinones.

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