A facile synthesis and the asymmetric catalytic activity of BINOL-based thiazole (thiadiazole) thioether ligands

被引：8
|
作者：
Dong, Zhi-Bing [1 ]
Liu, Bing [1 ]
Fang, Cao [1 ]
Li, Jin-Shan
机构：
[1] Nankai Univ, State Key Lab Elemento Organ Chem, Tianjin 300071, Peoples R China
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2008年 / 693卷 / 01期
基金：
中国国家自然科学基金;
关键词：
BINOL; diethylzinc; titanium tetraisopropoxide; copper trifluoromethanesulfonate; asymmetric addition;
D O I：
10.1016/j.jorganchem.2007.10.008
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Four new BINOL-based thiazole (thiadiazole) thioether ligands (S)-1, (S)-2, (SS)-3 and (S)-4 were prepared. When their catalytic effectiveness was tested, good results (up to 93% ee and 97% yield) were obtained in the asymmetric addition of diethylzinc to aldehydes while poor results were obtained in the asymmetric conjugate addition of diethylzinc to enones. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：17 / 22
页数：6
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