Lewis Acid-Catalyzed Cyclization of Enaminones with Propargylic Alcohols: Regioselective Synthesis of Multisubstituted 1,2-Dihydropyridines
作者:Yushang Shao、Kai Zhu、Zhengchen Qin、Ende Li、Yanzhong Li
DOI:10.1021/jo4005553
日期:2013.6.7
A highly efficient BF3·Et2O-catalyzed cascade reaction of enaminones with propargylicalcohols under mild reaction conditions has been developed. This methodology offers regioselective access to multisubstituted 1,2-dihydropyridines in good to excellent yields.