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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Bibliographic Details
Published inPlanta medica Vol. 71; no. 8; pp. 792 - 794
Main Authors 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 Journal Article
LanguageEnglish
Published Germany 01.08.2005
Subjects
arabinopyranoside
Asteraceae
chemical structure
Diterpenes - chemistry
diterpenoids
Egletes viscosa
glycosides
Glycosides - chemistry
herbaceous plants
Humans
labdane
Magnetic Resonance Spectroscopy
phytochemicals
Phytotherapy
Plant Components, Aerial
plant extracts
Plant Extracts - chemistry
spectral analysis
stereochemistry
Peru
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Summary: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