Catalytic asymmetric dihydroxylation of olefins using a recoverable and reusable ligand

被引：0

作者：

Wang, Qiao Feng ^{[1
]}

Sun, Xiao Li ^{[1
]}

Zhang, Sheng Yong ^{[1
]}

Qin, Xiang Yang ^{[1
]}

Zhao, Yan ^{[1
]}

机构：

[1] Fourth Mil Med Univ, Dept Chem, Xian 710032, Peoples R China

来源：

CROATICA CHEMICA ACTA | 2007年 / 80卷 / 01期

关键词：

asymmetric dihydroxylation; bis-cinchona alkaloid derivative; recoverable and reusable ligand;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A free bis-cinchona alkaloid derivative ligand was prepared by a simple synthetic manipulation. With ligand/olefin mole ratio of 1%, the asymmetric dihydroxylation reactions of six olefins proceeded smoothly to give the chiral vicinal diols in high chemical yields and optical yields. The ligand itself could be recovered quantitatively by a simple operation and reused five times without loss of enantioselectivity.

引用

页码：41 / 44

页数：4

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