4.7 Article

Recyclable Polymer-Supported Iodobenzene-Mediated Electrocatalytic Fluorination in Ionic Liquid

Journal

ADVANCED SYNTHESIS & CATALYSIS
Volume 352, Issue 16, Pages 2757-2760

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201000501

Keywords

electrochemical fluorination; green chemistry; hypervalent iodoarenes; ionic liquids; mediators

Funding

  1. Tokyo Ohka Foundation for the Promotion of Science and Technology
  2. Society of Iodine Science
  3. Japan Society for the Promotion of Science (JSPS)
  4. [20350071]

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The electrochemical fluorination of organosulfur compounds in triethylamine/hydrofluoric acid (Et3N-5HF) with polystyrene-supported iodobenzene (PSIB) and tetraethylammonium chloride (Et4NCl) was performed successfully in an undivided cell under constant current conditions to afford the corresponding fluorinated compounds in moderate to good yields. Recycle use of the PSIB could be achieved due to its easy separation. Notably, the mediatory activity of the iodobenzene derivative was not appreciably changed even after 10 recycle uses.

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