Highly enantioselective conjugate addition of nitroalkanes to enones catalyzed by cinchona alkaloid derived primary amine
作者:Wenjing Liu、Desheng Mei、Wei Wang、Wenhu Duan
DOI:10.1016/j.tetlet.2013.05.019
日期:2013.7
A cinchona alkaloid derived primary amine catalyzed conjugate addition of nitroalkanes to enones is described. The process affords the Michael adducts in good yield and with up to 99% ee for both acyclic and cyclic enones.
描述了金鸡纳生物碱衍生的伯胺催化的硝基烷烃与烯酮的共轭加成。该方法提供了高收率的迈克尔加合物,并且对于非环烯酮和环状烯酮都具有高达99%ee的ee。