Copper nanoparticles supported on polyaniline‐functionalized multiwall carbon nanotubes: An efficient and recyclable catalyst for synthesis of unsymmetric sulfides using potassium ethyl xanthogenate in water

Abstract

A new and powerful polyaniline‐functionalized carbon nanotube‐supported copper(II) nanoparticle catalyst was successfully prepared and evaluated as a heterogeneous catalyst for the one‐pot synthesis of unsymmetric thioethers by coupling of aryl, alkyl and benzyl halides using potassium ethyl xanthogenate as source of sulfur in water. All of these reactions gave the desired products in good to excellent yields. The catalyst is available, air‐stable and can be reused several times without significant loss in its catalytic activity.