Organocatalytic Asymmetric [3 + 2] Cycloaddition of N-2,2,2-Trifluoroethylisatin Ketimines with β-Trifluoromethyl Electron-Deficient Alkenes: Access to Vicinally Bis(trifluoromethyl)-Substituted 3,2'-Pyrrolidinyl Spirooxindoles.
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Xiaomei Zhang | Zhen-Hua Wang | W. Yuan | Yong You | Yongzheng Chen | Xiao‐Ying Xu | Wen‐Ya Lu | Weicheng Yuan