Organocatalytic Aza-Michael–Michael Cascade Reactions: A Flexible Approach to 2,3,4-Trisubstituted Tetrahydroquinolines

Zhen-Xin Jia, Yong-Chun Luo, Yao Wang, Liang Chen, Peng-Fei Xu,* and Binghe Wang

https:// doi: 10.1002/chem.201201362