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Authors: Thierry Buffeteau, Dominique Cavagnat, Jonathan BissonORCID , Axel Marchal, Gilbert D. Kapche, Ilaria Battistini, Gregory Da Costa, Alain Badoc, Jean-Pierre Monti, Jean-Michel Mérillon, Pierre Waffo-Téguo
Journal: Journal of Natural Products (RoMEO status: White)
Subjects: Pharmacognosy Phytochemistry VCD Stereochemistry
Dimeric stilbene glucosides 1–3 [two diastereomers of (−)-gnemonoside A (1a and 1b), (−)-gnemonoside C (2), and (−)-gnemonoside D (3)] as well as a mixture of the two enantiomers of gnetin C (4) were isolated from the rhizomes of Gnetum africanum. The two enantiomers of gnetin C, (+)-4 and (−)-4, were obtained from the aglycones of 1a and 1b, respectively. The configurations of these stilbenoids were investigated by NMR and vibrational circular dichroism (VCD) experiments.
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