Triterpene Saponins from Wisteria floribunda ``macrobotrys'' and ``rosea''

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TitreTriterpene Saponins from Wisteria floribunda ``macrobotrys'' and ``rosea''
Type de publicationJournal Article
Year of Publication2017
AuteursChampy A-S, Mitaine-Offer A-C, Paululat T, Papini A-M, Lacaille-Dubois M-A
JournalNATURAL PRODUCT COMMUNICATIONS
Volume12
Pagination1573-1576
Date PublishedOCT
Type of ArticleArticle
ISSN1934-578X
Mots-clés2D NMR, Fabaceae, Oleanane-type glycosides, Wisteria floribunda ``macrobotrys'', Wisteria floribunda ``rosea''
Résumé

Five oleanane-type saponins were isolated from two cultivars of Wisteria floribunda (Willd.) DC. (Fabaceae): From the roots of Wisteria floribunda ``macrobotrys'', one new oleanane derivative elucidated as 3-O-beta-D-xylopyranosyl-(1 -> 2)beta-D-glucuronopyranosyl-22-O-acetyl-3 beta,22 beta,24-trihydroxyolean-12-en-30-oic acid, and two known glycosides, and from the roots of Wisteria floribunda ``rosea'', two known ones. Their structures were elucidated by a detailed 600 MHz NMR analysis including 1D and 2D NMR (H-1, C-13, COSY, TOCSY, ROESY, HSQC, HMBC) experiments and mass spectrometry. Chemotaxonomic conclusions were proposed.