Improved high-resolution diffusion filtered 1H MAS NMR

被引：0
|
作者：
Chin, J [1 ]
Chen, A [1 ]
Shapiro, MJ [1 ]
机构：
[1] Core Technol Analyt, Novartis Inst Biomed Res, Summit, NJ 07901 USA
来源：
MAGNETIC RESONANCE IN CHEMISTRY | 2000年 / 38卷 / 09期
关键词：
NMR; H-1; high-resolution magic angle spinning; solid-phase resin; diffusion;
D O I：
10.1002/1097-458X(200009)38:9<782::AID-MRC731>3.0.CO;2-N
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Application of pulsed field gradient diffusion edited NMR has been successfully used for the analysis of solid-phase resin. A comparison between the LED and bipolar LED pulse sequence is presented. Compounds that were not covalently attached to the resin, including the solvent system, can be effectively attenuated using the bipolar LED sequence without signal distortion. The resulting proton spectrum can then be interpreted as compounds that were attached to the solid support. This methodology has also been demonstrated with the use of the bipolar LED edited COSY sequence in which COSY correlations from only the attached compounds are observed. Copyright (C) 2000 John Wiley & Sons, Ltd.
引用
收藏
页码：782 / 784
页数：3
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