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Start Over Author "Nze-Ekekang, Lucienne" Journal planta medica
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2. Revised Structures of Four Saponins from Nauclea diderrichii

Author

Lamidi, Maroufath, Ollivier, Evelyne, Faure, Robert, Debrauwer, Laurent, Nze-Ekekang, Lucienne, and Balansard, Guy

Abstract

The interglycosidic linkages of four quinovic acid glycosides previously described from the bark of NAUCLEA DIDERRICHII (de Wild) Merr. (Rubiaceae) are revised on the basis of 2D-NMR spectroscopic results. The structures were established as: quinovic acid 3- O-?-glucopyranosyl(1?4)-?-fucopyranosyl-(28?1)-? -glucopyranosyl ester, quinovic acid 3- O-?-glucopyranosyl-(1?4)-?-rhamnopyranosyl-(28?1)-?-glucopyranosyl ester, quinovic acid 3- O-?-glucopyrnaosyl-(1?4,)-?-fucopyranoside, and quinovic acid 3- O-?-glucopyranosyl-(1?4)-?-rhamnopyranoside. The first three saponins are new compounds.

Published
1997

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