Synfacts 2005(3): 0340-0340  
DOI: 10.1055/s-2005-921634
Metal-Mediated Synthesis
© Georg Thieme Verlag Stuttgart · New York

Vanadium-Catalyzed Pinacol Coupling of Benzaldehydes in Water

Contributor(s): Paul Knochel, Andrei Gavryushin
X. Xu, T. Hirao*
Osaka University, Japan
Further Information

Publication History

Publication Date:
22 November 2005 (online)

Significance

A convenient and simple procedure for the preparation of dihydrobenzoins from benz­aldehydes, employing VCl3 as a catalyst and Al powder as a reducing agent is described. The reaction is performed in water, which facilitates the product isolation and minimizes the waste problems.