Palladium-catalyzed carbonylative cyclization of Baylis–Hillman adducts. An efficient approach for the stereoselective synthesis of 3-alkenyl phthalides
作者:Fernando Coelho、Demetrius Veronese、Cesar H. Pavam、Vanderlei I. de Paula、Regina Buffon
DOI:10.1016/j.tet.2006.02.045
日期:2006.5
A palladium-mediated carbonylative cyclization reaction of Baylis–Hillman adducts is disclosed. This simple, efficient and straightforward sequence leads to the formation of an array of 3-alkenylphthalides with different substitution patterns on the aromatic ring, with good chemical yields and selectivities.