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Novel Chiral Gallium Lewis Acid Catalysts with Semi-Crown Ligands for Aqueous Asymmetric Mukaiyama Aldol Reactions.

✍ Scribed by Hui-Jing Li; Hong-Yu Tian; Yong-Jun Chen; Dong Wang; Chao-Jun Li


Publisher
John Wiley and Sons
Year
2003
Weight
120 KB
Volume
34
Category
Article
ISSN
0931-7597

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✦ Synopsis


Abstract

For Abstract see ChemInform Abstract in Full Text.


📜 SIMILAR VOLUMES


Aqueous Asymmetric Mukaiyama Aldol React
✍ Hui-Jing Li; Hong-Yu Tian; Yan-Chao Wu; Yong-Jun Chen; Li Liu; Dong Wang; Chao-J 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 251 KB 👁 1 views

## Abstract The combination of Ga(OTf)~3~ with chiral semi‐crown ligands (**1a**–**e**) generates highly effective chiral gallium Lewis acid catalysts for aqueous asymmetric aldol reactions of aromatic silyl enol ethers with aldehydes. A ligand‐acceleration effect was observed. Water is essential f