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Die Cardenolide von Strophanthus gratus (WALL. et HOOK.) FRANCH. Glykoside und Aglykone, 265. Mitteilung
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Titel: |
Die Cardenolide von Strophanthus gratus (WALL. et HOOK.) FRANCH. Glykoside und Aglykone, 265. Mitteilung |
In: | Helvetica Chimica Acta, 48, 1965, 1, S. 202-219 |
veröffentlicht: |
Wiley
|
Umfang: | 202-219 |
ISSN: |
0018-019X 1522-2675 |
DOI: | 10.1002/hlca.19650480122 |
Zusammenfassung: | <jats:title>Abstract</jats:title><jats:p>The seeds of <jats:italic>Strophanthus gratus</jats:italic> not only contain 4–8% ouabain but also a number of other cardenolide glycosides. The following compounds have been isolated in crystalline form: sarmentoside E, sarmentoside A, acolongifloroside K, and 5 other, probably new compounds: B, δ, η, K and λ<jats:sub>1</jats:sub>. Three more glycosides have been isolated in the form of their crystalline O‐acetyl‐derivatives: O‐acetyl‐sarmentoloside and two probably new compounds, ϵ<jats:sub>1</jats:sub>′ and ϵ<jats:sub>2</jats:sub>′. In addition, the presence of the four following glycosides was demonstrated by paper chromatography and further confirmed by paper chromatography after acetylation: bipindoside, sarmentoside D, tholloside and sarhamnoloside. The structures of the new compounds have not yet been investigated.</jats:p> |
Format: | E-Article |
Quelle: | Wiley (CrossRef) |
Sprache: | Englisch |