Enantioselective Intramolecular Aza-Michael Additions of Indoles Catalyzed by Chiral Phosphoric Acids
作者:Quan Cai、Chao Zheng、Shu-Li You
DOI:10.1002/anie.201003919
日期:2010.11.8
Two ways to win: The title reaction has been realized using chiralphosphoricacid catalysts to provide the heterocyclic products in excellent yields and with high ee values. The polycyclic indoles were also constructed using an olefin cross‐metathesis/intramolecular aza‐Michael addition sequence.