Diterpene glycosides from Egletes viscosa

A phytochemical investigation of the CHCl (3)-soluble extract of the entire plant of Egletes viscosa (Asteraceae), collected in Peru, afforded two new labdane glycosides, 13-hydroxy-7-oxolabda-8,14-diene 13( R)- O-alpha- L-arabinopyranoside and 13-hydroxylabda-7,14-diene 13( R)- O-alpha- L-arabinopy...

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Veröffentlicht in:	Planta medica 2005-08, Vol.71 (8), p.792-794
Hauptverfasser:	Lee, D, Li, C, Graf, T.N, Vigo, J.S, Graham, J.G, Cabieses, F, Farnsworth, N.R, Cordell, G.A, Kinghorn, A.D, Kroll, D.J
Format:	Artikel
Sprache:	eng
Schlagworte:	arabinopyranoside Asteraceae Biological and medical sciences chemical structure Diterpenes - chemistry diterpenoids Egletes viscosa General pharmacology glycosides Glycosides - chemistry herbaceous plants Humans labdane Magnetic Resonance Spectroscopy Medical sciences Pharmacognosy. Homeopathy. Health food Pharmacology. Drug treatments phytochemicals Phytotherapy Plant Components, Aerial plant extracts Plant Extracts - chemistry spectral analysis stereochemistry
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Beschreibung
Zusammenfassung:	A phytochemical investigation of the CHCl (3)-soluble extract of the entire plant of Egletes viscosa (Asteraceae), collected in Peru, afforded two new labdane glycosides, 13-hydroxy-7-oxolabda-8,14-diene 13( R)- O-alpha- L-arabinopyranoside and 13-hydroxylabda-7,14-diene 13( R)- O-alpha- L-arabinopyranoside, along with four known compounds. The structures of the new compounds were elucidated by spectroscopic and chemical methods.
ISSN:	0032-0943 1439-0221
DOI:	10.1055/s-2005-871227