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Phytochemistry of Weigela x "kosteriana variegata" (Caprifoliaceae)

Abstract : One new triterpene glycoside 3-O-beta-D-xylopyranosyl-(1 -> 4)-[beta-D-glucopyranosyl-(1 -> 3)]-beta-D-xyl opyranosyl-(1 -> 4)-beta-D-xylopyranosyl-(1 -> 3)-alpha-L-rhamnopyranosyl-(1 -> 2)-alpha-L-arabinopyranosyloleanolic acid, was isolated from Weigela x "kosteriana variegata" (Caprifoliaceae), with three known ones. Their structures were characterized by a combination of mass spectrometry and 1D and 2D NMR spectrocopic techniques including H-1- and C-13 NMR, COSY, TOCSY, NOESY, HSQC, and HMBC experiments. The toxicological properties of some glycosides were determined with a zebrafish-based assay. The results show that the most active compounds were toxic to the larvae in the range of 1 mu M.
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https://hal-univ-bourgogne.archives-ouvertes.fr/hal-02068645
Contributeur : LNC - université de Bourgogne Connectez-vous pour contacter le contributeur
Soumis le : vendredi 15 mars 2019 - 10:27:12
Dernière modification le : vendredi 20 mai 2022 - 09:06:37

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  • HAL Id : hal-02068645, version 1

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Nampoina Andriamisaina, Anne-Claire Mitaine-Offer, Benoist Pruvot, Johanna Chluba, Tomofumi Miyamoto, et al.. Phytochemistry of Weigela x "kosteriana variegata" (Caprifoliaceae). Natural Product Communications , SAGE Publications, 2018, 13 (4), pp.403-406. ⟨hal-02068645⟩

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