4‘‘‘‘-Acetylsagittatin A, a Kaempferol Triglycoside from Kalanchoe streptantha

The methanolic extract from the leaves of Kalanchoe streptantha (Crassulaceae) afforded a new kaempferol 3-O-β-xylopyranosyl-(1→2)-α-rhamnopyranoside 7-O-(4‘‘‘‘-O-acetyl-α-rhamnopyranoside), named 4‘‘‘‘-acetylsagittatin A (1), and the known sagittatin A (2). The structures were determined by 1H-1H a...

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Veröffentlicht in:	Journal of natural products (Washington, D.C.) D.C.), 1996, Vol.59 (3), p.327-329
Hauptverfasser:	Costa, S. S, Jossang, A, Bodo, B
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences chemical constituents of plants chemical structure derivatives flavonoids General pharmacology glycosides immunomodulating substances kaempferol Kalanchoe leaves Medical sciences molecular conformation Pharmacognosy. Homeopathy. Health food Pharmacology. Drug treatments sagittatin spectral analysis
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