New chiral ionic liquids based on imidazolinium salts

被引：33
|
作者：
Winkel, Andreas [1 ]
Wilhelm, Rene [1 ]
机构：
[1] Clausthal Univ Technol, Inst Organ Chem, D-38678 Clausthal Zellerfeld, Germany
来源：
TETRAHEDRON-ASYMMETRY | 2009年 / 20卷 / 20期
关键词：
DIELS-ALDER REACTION; GRIGNARD-REAGENTS; SHIFT-REAGENTS; AMINO-ACID; DESIGN; RECOGNITION; CHEMISTRY; CATALYSTS; SOLVENTS; EXCHANGE;
D O I：
10.1016/j.tetasy.2009.09.015
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The preparation and application of a new series of chiral ionic liquids are described. The salts are based on imidazolinium cations. Some of the cations also incorporated an axial chirality at the C(2) position next to the central chirality. These cations display a very high rotational barrier along the arene-imidazolinium axis. Furthermore. an analogue with a chiral anion was prepared. The salts have low melting points. Their potential as solvents and as chiral shift reagents was explored, resulting for the first time in an example of a chiral ionic liquid as a shift reagent for a neutral compound. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2344 / 2350
页数：7
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