Organocatalytic Michael addition of indanone carboxylates to vinyl selenone for the asymmetric synthesis of polycyclic pyrrolidines
作者:Silvia Sternativo、Ola Walczak、Benedetta Battistelli、Lorenzo Testaferri、Francesca Marini
DOI:10.1016/j.tet.2012.08.077
日期:2012.12
racemic indanone carboxylates to vinyl selenone catalyzed by C6′hydroxyl cinchona derivatives is the key step of a synthetic sequence for a practical access to highly enantioenriched (up to 98% ee) polycyclic pyrrolidines bearing contiguous tertiary and quaternary stereocenters.
C6'羟基金鸡纳衍生物催化的外消旋茚满酮羧酸酯与乙烯基硒酮的迈克尔加成反应是合成序列的关键步骤,可实际获得高度对映体富集(高达ee达98%ee)的具有连续的叔和季立体中心的多环吡咯烷。