New Oleanane-type glycosides and secoiridoid glucoside from Aptandra zenkeri
2020
Bitchi, Michel Boni | Aka Kabran, Faustin | Yao-Kouassi, Philomène Akoua | Magid, Abdulmagid Alabdul | Harakat, Dominique | Voutquenne-Nazabadioko, Laurence | Zanahi Tonzibo, Félix
Four new saponins, camelliagenin A and B derivatives, and one new secoiridoid glucoside were isolated from the stem bark of Aptandra zenkeri Engl. (Aptandraceae) together with two known secoiridoid glucosides. Their structures were determined based on a combination of 1D- and 2D-NMR experiments techniques and HR-ESI-MS analysis. This is the first report on saponins in genus Aptandra.
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