CuCl-catalyzed stereoselective conjugate addition of Grignard reagents to 2,3-allenoates
作者:Jian He、Zhan Lu、Guobi Chai、Chunling Fu、Shengming Ma
DOI:10.1016/j.tet.2012.01.027
日期:2012.3
CuCl was found to be an efficient catalyst for the conjugateaddition of 2,3-allenoates with Grignardreagents to synthesize poly-substituted β,γ-unsaturated alkenoates with high stereoselectivity in good to excellent yields. Primary, secondary, and tertiary alkyl, vinyl or phenyl Grignardreagents may all be used.