Sc(OTf)3-Catalysed [3+3] Annulation of Cyclopropane 1,1-Diesters with Mercaptoacetaldehyde: A Facile Strategy for the Synthesis of Tetrahydrothiopyranols
Hua-Peng Wang, Huan-Huan Zhang, Xiu-Qin Hu, Peng-Fei Xu*
https://doi.org/10.1002/ejoc.201500282