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Five new iridoïd dimers from the fruits of Canthium subcordatum DC (syn. Psydrax subcordata DC)

Abstract : Five new iridoid dimers, canthiumosides 1–5 (1–4 and 5a), together with nine known compounds, shanzhigenin methyl ester (6), 1-epishanzhigenin methyl ester (6′), linearin (7), 1-epilinearin (7′), mussaenoside (8), shanzhiside methyl ester (9), 3′,4′,7-trihydroxyflavone (10), betulinic acid (11), and oleanolic acid (12) were isolated from the fruits of Canthium subcordatum DC (Syn. Psydrax subcordata (DC) Bridson). The structures of these compounds were established by interpretation of their spectral data, mainly HR-TOFESIMS, 1D NMR (1H, 13C and DEPT) and 2D NMR (1H–1H COSY, HSQC, HMBC, and NOESY), and by comparison with the literature.
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Submitted on : Wednesday, September 22, 2021 - 4:55:05 PM
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Christelle Joubouhi, Florence Déclaire Mabou, Perrin Lanversin Foning Tebou, David Ngnokam, Dominique Harakat, et al.. Five new iridoïd dimers from the fruits of Canthium subcordatum DC (syn. Psydrax subcordata DC). Phytochemistry Letters, Elsevier, 2015, 13, pp.348-354. ⟨hal-01996537⟩

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