A C(1)-symmetric N-heterocyclic carbene catalysed oxidative spiroannulation of isatin-derived enals: highly enantioselective synthesis of spirooxindole δ-lactones

por Lin, Jun-Bing, Cheng, Xi-Na, Tian, Xiao-Dong, Xu, Guo-Qiang, Luo, Yong-Chun, Xu, Peng-Fei
Publicado 2018