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Stereochemical analysis and complete 1H/13C NMR chemical shift assignments of matrine. Application of NOE and two-dimensional NMR techniques

✍ Scribed by Nina C. Gonnella; Jen Chen

Publisher: John Wiley and Sons
Year: 1988
Tongue: English
Weight: 450 KB
Volume: 26
Category: Article
ISSN: 0749-1581
DOI: 10.1002/mrc.1260260303

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✦ Synopsis

The stereochemical and structural analysis of matrine was carried out using nuclear magnetic resonance spectroscopy. Several methods, including ' 3C-'H two-dimensional shift correlation spectroscopy, 'H-'H two-dimensional correlated spectroscopy and measurements of vicinal 'H-'H coupling constants were used for chemical shift assignments and configurational analysis. Nuclear Overhauser effect difference spectroscopy was used to establish the sterochemistry. This investigation demonstrates the power of two-dimensional NMR techniques and the nuclear Overhauser effect (NOE) in the structural determination of natural products.

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