Author/Authors :
Huang، نويسنده , , Xiong and Wen، نويسنده , , Yi-Hang and Zhou، نويسنده , , Fei-Ting and Chen، نويسنده , , C.E. and Xu، نويسنده , , Dong-Cheng and Xie، نويسنده , , Jian-Wu، نويسنده ,
Abstract :
The first highly regio-, chemo-, and enantio-selective direct vinylogous Michael addition of 3-cyano-4-methylcoumarin derivatives to α,β-unsaturated ketones is described, employing readily available 9-amino-9-deoxy-epiquinine as the iminium organocatalyst.
