Abstract
AbstractThe stereochemical and structural analysis of matrine was carried out using nuclear magnetic resonance spectroscopy. Several methods, including 13C1H two‐dimensional shift correlation spectroscopy, 1H1H two‐dimensional correlated spectroscopy and measurements of vicinal 1H1H 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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