Ligand-free reductive coupling of aldehydes with 1,3-dienes using a sulfur-modified Au-supported nickel nanoparticle catalyst

Abstract

Ligand-free reductive coupling of aldehydes with 1,3-dienes was successfully developed using the nickel nanoparticle catalyst SANi (sulfur-modified Au-supported nickel). Leakage of nickel species into the reaction solution is minimal. SANi can be used repeatedly and the reaction is an environmentally benign reaction.