Determination of Labile Chiral Supramolecular Ion Pairs by Chromatographic NMR Spectroscopy

被引：28
作者：
Reddy G N, Manjunatha [1 ,2 ]
Ballesteros-Garrido, Rafael [3 ]
Lacour, Jerome [3 ]
Caldarelli, Stefano [1 ,2 ]
机构：
[1] Aix Marseille Univ, CNRS, UMR 7313, ISM2, F-13013 Marseille, France
[2] Antenne Ecole Polytechn, CNRS, UPR 2301, ICSN, F-91128 Palaiseau, France
[3] Univ Geneva, Dept Organ Chem, CH-1211 Geneva 4, Switzerland
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2013年 / 52卷 / 11期
基金：
瑞士国家科学基金会;
关键词：
chiral recognition; ion pairs; NMR spectroscopy; stereochemistry; structure elucidation; NUCLEAR-MAGNETIC-RESONANCE; LIQUID-CHROMATOGRAPHY; TRISPHAT ANIONS; HR/MAS NMR; TRIS(DIIMINE)RUTHENIUM(II) COMPLEXES; SOLID-STATE; ECHO NMR; RESOLUTION; DIFFUSION; MIXTURES;
D O I：
10.1002/anie.201209616
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Chiral recognition: Silica-enhanced NMR diffusometry can distinguish the signals of diastereoisomeric mixtures of supramolecular ion pairs (see picture; DOSY=diffusion-ordered spectroscopy). The experiment has a shorter timescale than liquid chromatography, thus allowing an easier characterization of species that are even configurationally labile on the minutes timescale. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：3255 / 3258
页数：4
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