The First Organocatalytic Enantio- and Diastereoselective 1,3-Dipolar Cycloaddition of Azomethine Ylides with Nitroalkenes
作者:Xiao-Mei Zhang、Meng-Xia Xue、Liu-Zhu Gong
DOI:10.1055/s-2008-1042802
日期:——
The first chiral thiourea-catalyzed stereoselective 1,3- dipolar cycloaddition of azomethine ylides with nitroalkenes afforded highly substituted pyrrolidines with high diastereoselectivities of up to <99:1 dr and moderate enantioselectivities.
第一个手性硫脲催化的偶氮甲碱叶立德与硝基烯烃的立体选择性 1,3-偶极环加成提供了高度取代的吡咯烷,其具有高达 <99:1 dr 的高非对映选择性和中等对映选择性。