Enantioselective Addition of Enamides to Cyclic Ketimines: Access to Chiral 3,3‐Disubstituted Isoindolin‐1‐Ones
作者:Fang‐Fang Feng、Jin‐Shan Li、Shen Li、Jun‐An Ma
DOI:10.1002/adsc.201900710
日期:2019.9.17
An enantioselective addition of enamides to cyclic ketimines generated in situ from 3‐hydroxyisoindolin‐1‐ones was developed. This reaction takes advantage of readily available substrates, mild reaction conditions, as well as enlarged reaction generality, affording chiral 3,3‐disubstituted isoindolin‐1‐ones with a quaternary stereogenic center in high yields (up to 98%) and enantioselectivities (up
开发了对3-羟基异吲哚啉-1-酮就地生成的环状酮亚胺进行对映体选择性加成的方法。该反应利用了易于获得的底物,温和的反应条件以及扩大的反应通用性,从而以高收率(高达98%)和对映选择性(向上)提供了具有四级立体异构中心的手性3,3-二取代异吲哚啉-1-酮。到99%ee)。