Combining Organocatalysis and Iodine Catalysis: One-Pot Sequential Catalytic Synthesis of Chiral Spirodihydrobenzofuran Pyrazolones and Spirodihydrobenzofuran Oxindoles

A new and efficient catalytic strategy that combines asymmetric organocatalysis and iodine catalysis was first developed for the one-pot Michael/iodization/S 2 nucleophilic substitution sequential catalytic synthesis of spirodihydrobenzofuran pyrazolones and spirodihydrobenzofuran oxindoles. The app...

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Bibliographic Details
Published in:Organic letters 2018-09, Vol.20 (18), p.5840-5844
Main Authors: Tang, Cheng-Ke, Zhou, Zhan-Yu, Xia, Ai-Bao, Bai, Liang, Liu, Jie, Xu, Dan-Qian, Xu, Zhen-Yuan
Format: Article
Language:English
Subjects:
catalytic activity
chemical reactions
chemical structure
diastereoselectivity
enantioselectivity
iodine
Lewis bases
pyrazolones
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