4.8 Letter

Electrochemical Synthesis of Dibenzothiophenes via Intramolecular C-S Cyclization with a Halogen Mediator

Journal

ORGANIC LETTERS
Volume 24, Issue 46, Pages 8547-8552

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.2c03574

Keywords

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Funding

  1. Research Center for Computational Science, Okazaki, Japan [22-IMS-C130]
  2. Okayama Foundation for Science and Technology
  3. Wesco Scientific Promotion Foundation
  4. Sanyo Broadcasting Foundation
  5. Japan Society for the Promotion of Science (JSPS) Grants-in-Aid for Scientific Research (KAKENHI) [JP22H02122, JP19K05477, JP22K05115, JP21H05214]

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Electrochemical synthesis of dibenzothiophene derivatives was achieved by efficiently converting several bis(biaryl) disulfides to dibenzothiophenes via electrochemical oxidation. The use of Bu4NBr as a halogen mediator was essential, leading to the successful synthesis of diverse dibenzothiophene derivatives.
Electrochemical synthesis of dibenzothiophene derivatives was achieved. Several bis(biaryl) disulfides are efficiently converted to dibenzothio-phenes by electrochemical oxidation. The use of Bu4NBr as a halogen mediator was essential, and wide varieties of dibenzothiophene derivatives were obtained in good yields.

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