Dibenzyls are essential building blocks that are widely used in organic synthesis,
and they are typically prepared by the homocoupling of halides, organometallics, and
ethers. Herein, we report an approach to this class of compounds using alcohols, which
are more stable and readily available. The reaction proceeds via nickel-catalyzed
and dimethyl oxalate assisted dynamic kinetic homocoupling of benzyl alcohols. Both
primary and secondary alcohols are tolerated.
Key words
homocoupling - nickel - dibenzyls - alcohols - synthetic methodology