期刊
MAGNETIC RESONANCE IN CHEMISTRY
卷 47, 期 3, 页码 205-209出版社
WILEY
DOI: 10.1002/mrc.2362
关键词
NMR; H-1; C-13; 3D; coupling constants; random sampling; Multidimensional Fourier transformation; strychnine
资金
- Ministry of Science and Higher Education [N301 07 131/2159]
- Foundation of Polish Science and Technology [217/FNiTP/115/2005]
An application of 3D version of HSQC-TOCSY experiment for the measurement of heteronuclear coupling constants of organic compounds yielding complex spectra is proposed. The approach presented here is based on the optimized random sampling of the evolution time space followed by Multidimensional Fourier Transform (MFT). In this study, we show that the interpretation Of omega(3)-C-13 coupled H-1-C-13 3D HSQC-TOCSY spectra with E.COSY-type multiplets allows one to evaluate heteronuclear coupling constants of strychnine with high accuracy, whereas the employment of 2D methods is associated with signal overlap and use of conventionally recorded 3D NMR spectra cannot provide accurate results in an overnight experiment. Copyright (C) 2008 John Wiley & Sons, Ltd.
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