4.7 Article

Electrochemical benzylic C-H arylation of xanthenes and thioxanthenes without a catalyst and oxidant

Journal

ORGANIC CHEMISTRY FRONTIERS
Volume 9, Issue 7, Pages 1911-1916

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1qo01925b

Keywords

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Funding

  1. National Science Foundation of China [21772061]
  2. Open Project of State Key Laboratory of Chemistry and Molecular Engineering of Medicinal Resources [CMEMR2021-B14]
  3. University Synergy Innovation Program of Anhui Province [GXXT-2020-078]
  4. Anhui Provincial Natural Science Foundation [1808085QB29]
  5. Key Project of Provincial Natural Science Research Foundation of Anhui Universities, China [KJ2020A1195]
  6. Anhui Province Research Funding for Outstanding Young Talents in Colleges and Universities, China [gxyq2020015]
  7. National Undergraduate Innovation and Entrepreneurship Training Program [202010373015]
  8. Laboratory Open Project of Huaibei Normal University [2021sykf014]

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A catalyst-free and oxidant-free electrochemical C-H arylation method has been developed for xanthenes and thioxanthenes, yielding various cross-coupling products in moderate to good yields. This atom- and step-economical approach utilizes affordable and readily available arenes and heteroarenes as direct partners, enabling C(sp(2))-H/C(sp(3))-H type reactions.
A catalyst-free and oxidant-free C-H arylation of xanthenes and thioxanthenes using electrochemistry has been developed, which affords a number of cross-coupling products in moderate to good yields. This method is atom- and step-economical as it uses cheap and easily available arenes and heteroarenes as partners directly and the C(sp(2))-H/C(sp(3))-H type cross-coupling reaction.

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