作者:Sergei Žari、Marina Kudrjashova、Tõnis Pehk、Margus Lopp、Tõnis Kanger
DOI:10.1021/ol500421k
日期:2014.3.21
The concept of the remote activation of reactivity was first applied in asymmetric organocatalysis. An isatin 3-phenylimine derivative acts as a donor in the thiourea catalyzed asymmetric addition to unsaturated 1,4-ketoesters, affording aza-Michael adducts in high enantiomeric purity and yield.