Determination of coupling constants by deconvolution of multiplets in NMR

被引:20
作者
Jeannerat, D
Bodenhausen, G
机构
[1] Ecole Normale Super, Dept Chim, F-75231 Paris 05, France
[2] Univ Geneva, Dept Chim, CH-1211 Geneva, Switzerland
[3] Natl High Magnet Field Lab, Ctr Interdisciplinary Magnet Resonance, Tallahassee, FL 32310 USA
关键词
deconvolution of multiplets; correlation spectroscopy (COSY); cross-peak multiplets;
D O I
10.1006/jmre.1999.1845
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
The structures of multiplets in one- and two-dimensional NMR spectra can be simplified by recursive deconvolution in the frequency domain. Deconvolution procedures are described for in-phase and antiphase doublets of delta functions. Recursive simplification is illustrated by applications to double-quantum-filtered correlation spectra (DQF-COSY) and selective correlation spectra (soft-COSY). Coupling constants can be measured reliably even if signals of opposite signs lead to partial cancellation, (C) 1999 Academic Press.
引用
收藏
页码:133 / 140
页数:8
相关论文
共 22 条
[1]  
BOTHNERBY AA, 1995, COMMUNICATION
[2]  
Bracewell R., 1984, FOURIER TRANSFORM IT
[3]   SEMISELECTIVE TWO-DIMENSIONAL NMR EXPERIMENTS [J].
CAVANAGH, J ;
WALTHO, JP ;
KEELER, J .
JOURNAL OF MAGNETIC RESONANCE, 1987, 74 (02) :386-393
[4]   THE APPLICATION OF MAXIMUM-ENTROPY PROCESSING TO THE DECONVOLUTION OF COUPLING PATTERNS IN NMR [J].
DELSUC, MA ;
LEVY, GC .
JOURNAL OF MAGNETIC RESONANCE, 1988, 76 (02) :306-315
[5]  
FREEMAN R, 1992, ISRAEL J CHEM, V32, P231
[6]   BIDIRECTIONAL DECONVOLUTION, AN IMPROVEMENT FOR THE STEPWISE SIMPLIFICATION OF MULTIPLETS [J].
HUBER, P ;
BODENHAUSEN, G .
JOURNAL OF MAGNETIC RESONANCE SERIES A, 1993, 104 (01) :96-102
[7]   SIMPLIFICATION OF MULTIPLETS BY DECONVOLUTION IN ONE-DIMENSIONAL AND 2-DIMENSIONAL NMR-SPECTRA [J].
HUBER, P ;
BODENHAUSEN, G .
JOURNAL OF MAGNETIC RESONANCE SERIES A, 1993, 102 (01) :81-89
[8]   Accurate determination of passive coupling constants by analysis of complementary two-dimensional cross-peak multiplets [J].
Jeannerat, D ;
Bodenhausen, G .
JOURNAL OF MAGNETIC RESONANCE SERIES A, 1996, 118 (01) :126-131
[9]   DETERMINATION OF ACTIVE SCALAR COUPLING-CONSTANTS BY 2-DIMENSIONAL CONVOLUTION OF COMPLEMENTARY CROSS-PEAK MULTIPLETS [J].
JEANNERAT, D ;
BODENHAUSEN, G .
JOURNAL OF MAGNETIC RESONANCE SERIES A, 1995, 117 (01) :123-127
[10]  
JEANNERAT D, 1997, THESIS LAUSANNE