An unexpected phosphine-catalyzed regio- and diastereoselective [4+1] annulation reaction of modified allylic compounds with activated enones.
Chen
Zuliang
Z
Shanghai Key Laboratory of Green Chemistry and Chemical, Processes, Department of Chemistry, East China Normal University, 3663 N. Zhongshan Road, Shanghai 200062, P.R. China.
Zhang
Junliang
J