Organocatalytic, Enantioselective   Friedel−Crafts Reaction of Indoles in the Carbocyclic Ring and Electron-Rich   Phenols

Jin-Yu Liu, Xie-Chao Yang, Hong Lu,   Yu-Cheng Gu, and Peng-Fei Xu*

https://pubs.acs.org/doi/10.1021/acs.orglett.8b00503