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A three-dimensional DOSY-HMQC experiment for the high-resolution analysis of complex mixtures

被引：92
作者：
Barjat, H
Morris, GA
Swanson, AG
机构：
[1] Univ Manchester, Dept Chem, Manchester M13 9PL, Lancs, England
[2] Pfizer Ltd, Cent Res, Sandwich CT13 9NJ, Kent, England
来源：
JOURNAL OF MAGNETIC RESONANCE | 1998年 / 131卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
DOSY; HMQC; diffusion; mixture analysis;
D O I：
10.1006/jmre.1997.1332
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
A three-dimensional experiment is described in which NMR signals are separated according to their proton chemical shift, C-13 chemical shift, and diffusion coefficient. The sequence is built up from a stimulated echo sequence with bipolar field gradient pulses and a conventional decoupled HMQC sequence, Results are presented for a model mixture of quinine, camphene, and geraniol in deuteriomethanol. (C) 1998 Academic Press.
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页码：131 / 138
页数：8
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