4.7 Article

Metal-Free Direct Trifluoromethylation of Activated Alkenes with Langlois' Reagent Leading to CF3-Containing Oxindoles

Journal

JOURNAL OF ORGANIC CHEMISTRY
Volume 79, Issue 9, Pages 4225-4230

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jo500515x

Keywords

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Funding

  1. National Natural Science Foundation of China [21302109, 21302110, 21375075]
  2. Taishan Scholar Foundation of Shandong Province
  3. Excellent Middle-Aged and Young Scientist Award Foundation of Shandong Province [BS2013YY019]
  4. Scientific Research Foundation of Qufu Normal University [BSQD 2012020]

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A metal-free and cost-effective synthesis protocol has been initially proposed for the construction of CF3-containing oxindoles via the direct oxidative trifluoromethylation of activated alkenes with Langlois' reagent (CF3SO2Na). The present methodology, which utilizes very cheap CF3 reagent and a simple oxidant, provides a convenient and practical approach to CF3-containing oxindoles with a wide variety of functional groups.

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