Synfacts 2009(10): 1140-1140  
DOI: 10.1055/s-0029-1217896
Metal-Mediated Synthesis
© Georg Thieme Verlag Stuttgart ˙ New York

Selective Ligand-Free Palladium-Catalyzed Oxidative Heck Coupling

Contributor(s): Paul Knochel, Tobias Thaler
Y. Su, N. Jiao*
Peking University, Beijing and State Key Laboratory of Organometallic Chemistry, Shanghai, P. R. of China
Further Information

Publication History

Publication Date:
22 September 2009 (online)

Significance

A palladium-catalyzed, ligand-free, highly regio- and stereoselective Heck reaction of aryl boronic acids with allyl esters has been developed. In all cases, the formation of the E-isomer is highly preferred. Alkenyl boronic acid esters showed the lowest stereoselectivity.