Ionic Nucleophilic Catalysis of Chiral Ammonium Betaines for Highly Stereoselective Aldol Reaction from Oxindole-Derived Vinylic Carbonates
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下载链接：
https://figshare.com/articles/dataset/Ionic_Nucleophilic_Catalysis_of_Chiral_Ammonium_Betaines_for_Highly_Stereoselective_Aldol_Reaction_from_Oxindole_Derived_Vinylic_Carbonates/2528143
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资源简介：
A new strategy for developing stereoselective bond-forming
reactions
is introduced; it takes advantage of the ionic nucleophilic catalysis
of chiral ammonium betaines to utilize vinylic esters simultaneously
as the enolate precursor and the acylating agent for coupling with
electrophiles. Its synthetic utility is clearly demonstrated by the
realization of a highly diastereo- and enantioselective aldol reaction
from oxindole-derived vinylic carbonates.
创建时间：
2016-02-21
