Asymmetric addition of alkynes to imines in water catalyzed with a recyclable Cu(I)-bis(oxazoline) and stearic acid system

被引:34
作者
Liu, Juntao
Liu, Bao
Jia, Man
Li, Xingshu [1 ]
Chan, Albert S. C.
机构
[1] Sun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou 51006, Peoples R China
[2] Shenyang Pharmaceut Univ, Shenyang, Peoples R China
[3] Hong Kong Polytech Univ, Inst Mol Technol Drug Discovery & Synth, Open Lab Chirotechnol, Hong Kong, Hong Kong, Peoples R China
[4] Hong Kong Polytech Univ, Dept Appl Biol & Chem Technol, Hong Kong, Hong Kong, Peoples R China
基金
中国国家自然科学基金;
关键词
D O I
10.1016/j.tetasy.2007.02.005
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Stearic acid and its zinc salt were used as additives in the enantioselective alkyne addition to imines catalyzed by copper(I)-bis(oxazoline) (box) in water. The reactions took place smoothly with good yields and high enantioselectivities (up to 97% ee). Good enantioselectivities were maintained in a catalyst recycle study. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:396 / 399
页数:4
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