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
a
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. of China eMail: zhanghh@lzu.edu.cn eMail: luoych@lzu.edu.cn
,
Huan-Huan Zhang*
a
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. of China eMail: zhanghh@lzu.edu.cn eMail: luoych@lzu.edu.cn
,
Yong-Chun Luo*
a
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. of China eMail: zhanghh@lzu.edu.cn eMail: luoych@lzu.edu.cn
b
Lubricating Oil Research and Development Center of PetroChina in Lanzhou, Lanzhou, 730060, P. R. of China
