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Original Articles

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)

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Pages 561-566 | Received 13 Feb 2014, Accepted 17 Mar 2014, Published online: 01 May 2015
 

GRAPHICAL ABSTRACT

Abstract

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.

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