Sc(OTf)3-Catalyzed [3+3] Annulation of Cyclopropane 1,1-Diesters with β-(Indol-2-yl)-α,β-unsaturated Ketones: Synthesis of Polysubstituted Tetrahydrocarbazoles

Wei Chen，Huan-Huan Zhang*,  Yong-Chun Luo*

DOI: 10.1055/s-0034-1380617