Highly efficient threonine-derived organocatalysts for direct asymmetric aldol reactions in water

被引:201
作者
Wu, Xiaoyu
Jiang, Zhaoqin
Shen, Han-Ming
Lu, Yixin
机构
[1] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore
[2] Natl Univ Singapore, Off Life Sci, Med Chem Program, Singapore 117543, Singapore
[3] Natl Univ Singapore, Dept Community Occupat & Family Med, Singapore 117543, Singapore
关键词
aldol reaction; asymmetric catalysis; hydrophobic effect; organic catalysis; water;
D O I
10.1002/adsc.200600564
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The introduction of siloxy groups at the hydroxy function of natural threonine resulted in efficient hydrophobic organocatalysts, which could efficiently catalyze the direct aldol reactions of both cyclic and acyclic ketones with aromatic aldehydes in water with excellent enantiomeric excess.
引用
收藏
页码:812 / 816
页数:5
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