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Article Dans Une Revue Molecules Année : 2015

Identification of Minor Benzoylated 4-Phenylcoumarins from a Mammea neurophylla Bark Extract

Résumé

Through dereplication analysis, seven known Mammea coumarins were identified in a fraction obtained from Mammea neurophylla dichloromethane bark extract selected for its ability to prevent advanced glycation end-product (AGE) formation. Among them, a careful examination of the NMR dataset of pedilanthocoumarin B led to a structural revision. Inspection of LC-DAD-MSn chromatograms allowed us to predict the presence of four new compounds, which were further isolated. Using spectroscopic methods (1H-, 13C- and 2D-NMR, HRMS, UV), these compounds were identified as new benzoyl substituted 4-phenylcoumarins (iso-pedilanthocoumarin B and neurophyllol C) and 4-(1-acetoxypropyl)coumarins cyclo F (ochrocarpins H and I).

Dates et versions

hal-01391951 , version 1 (04-11-2016)

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Citer

Bach Tai Dang, Caroline Rouger, Marc Litaudon, Denis Seraphin, Pascal Richomme, et al.. Identification of Minor Benzoylated 4-Phenylcoumarins from a Mammea neurophylla Bark Extract. Molecules, 2015, 20 (10), pp.17735-17746. ⟨10.3390/molecules201017735⟩. ⟨hal-01391951⟩

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