Planar chiral imidazolium salts based on [2.2]paracyclophane in the asymmetric rhodium-catalyzed 1,2-addition of arylboronic acids to aldehydes

被引：57
|
作者：
Ma, Qingshuang [1 ]
Ma, Yudao [1 ]
Liu, Xiao [1 ]
Duan, Wenzeng [1 ]
Qu, Bo [1 ]
Song, Chun [1 ]
机构：
[1] Shandong Univ, Dept Chem, Jinan 250100, Peoples R China
来源：
TETRAHEDRON-ASYMMETRY | 2010年 / 21卷 / 03期
基金：
中国国家自然科学基金;
关键词：
ARYL CHLORIDES; ALKENYLBORONIC ACIDS; MACRO RINGS; CARBENE; LIGANDS; COMPLEXES; PARACYCLOPHANE; REAGENTS; AIR;
D O I：
10.1016/j.tetasy.2010.01.025
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A series of planar chiral imidazolium salts derived from [2.2]paracyclophane have been synthesized and characterized. By using these imidazolium salts as carbene precursors, the Rh-catalyzed 1,2-addition of arylboronic acids to aldehydes proceeded readily with low catalyst loadings (0.03-0.3 mol %) and gave a variety of chiral diarylmethanols in excellent yields and moderate enantioselectivities. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：292 / 298
页数：7
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