Ligand-Free Copper-Catalyzed Synthesis of Asymmetrical Thioethers by Coupling Aryl or Alkyl Halides Using an Acetyl Thiourea Precursor in Wet Polyethylene Glyol (PEG 400)
作者:Baohua Zhang、Lanxiang Shi、Ruixia Guo、Juan Wang
DOI:10.1080/10426507.2014.906428
日期:2015.4.3
Asymmetrical diaryl or aryl alkyl thioethers can be prepared in good to excellent yields by coupling the appropriate aryl iodides and aryl or alkyl bromines using acetyl thiourea as a thiolprecursor, Cu2O as a catalyst, KOH as a base, and PEG 400-H2O as a solvent under ligand-free conditions.