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Relative signs of NMR spin coupling constants by two-dimensional Fourier transform spectroscopy

โœ Scribed by Ad Bax; Ray Freeman

Publisher
Elsevier Science
Year
1981
Weight
299 KB
Volume
45
Category
Article
ISSN
0022-2364

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Multiple-Quantum J-Resolved NMR Spectros
Multiple-Quantum J-Resolved NMR Spectroscopy (MQ-JRES): Measurement of Multiple-Quantum Relaxation Rates and Relative Signs of Spin Coupling Constants
โœ Maili Liu; Xu Zhang ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 84 KB

The technique of multiple-quantum J-resolved NMR spectroscopy (MQ-JRES) is introduced and applied to the spin system SI 3 -M (such as in the example given here, the 13 CH 3 -12 CH in alanine). The SI 3 spin system was excited to its highest quantum state (8S y I x I y I y ), which consists of four c