Synthesis of Chiral Aza‐[n.2.1] Skeletons by Separable Epimers of Intramolecular [3+2] Cross Cycloaddition of Cyclopropane 1,1‐Diesters with Chiral Sulfinylimines
作者:Miao‐Miao Xia、Feng‐Xing Li、You‐Ping Ma、Le‐Le Song、Yan‐Ni Hou、Zi‐Fa Shi、Xiao‐Ping Cao
DOI:10.1002/adsc.201901543
日期:2020.3.4
Reported herein is the construction of chiral aza‐[n.2.1] skeletons by separable epimers of intramolecular [3+2] cross cycloaddition of cyclopropane 1,1‐diesters with chiral sulfinylimines. The epimer products can be separated by silica gel column chromatography.