asymmetric [4+1] annulation of MBH carbonates with dicyano-2-methylenebut-3-enoates has been developed for the first time, providing an efficient and enantioselective synthesis of highly functionalized cyclopentenes bearing one all-carbon quaternary stereogenic center.
首次开发了具有二
氰基-2-亚甲基丁-3-烯酸酯的MBH
碳酸酯的新型不对称[4 + 1]环合反应,提供了带有一个全碳四元立体中心的高度官能化的
环戊烯的高效和对映选择性合成。