Glyyunnansapogenins G and H: two new pentacyclic triterpenoids of the 18 alpha H-oleana-9(11),12-diene type from Glycyrrhiza yunnanensis roots

Glyyunnansapogenins G and H: two new pentacyclic triterpenoids of the 18 alpha H-oleana-9(11),12-diene type from Glycyrrhiza yunnanensis roots

Abstract Two new pentacyclic triterpenoid sapogenins of the 18αH-oleana-9(11),12-diene type named glyyunnansapogenins G and H were isolated from the roots of GLYCYRRHIZA YUNNANENSIS Cheng f. et L. K. Tai. Their structures were elucidated as 18αH-oleana-9(11),12-diene-3β,21α,29-triol and 18αH-3β,21α-...

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Veröffentlicht in:Planta medica 1991-04, Vol.57 (2), p.165-168
Hauptverfasser: Zeng, L, Zhang, R.Y, Wang, D, Zhang, Z.L, Lou, Z.C
Format: Artikel
Sprache:eng
Schlagworte:
Biological and medical sciences
drugs
General pharmacology
Glycyrrhiza
Medical sciences
Pharmacognosy. Homeopathy. Health food
Pharmacology. Drug treatments
physicochemical properties
plant extracts
roots
sapogenins
triterpenoids
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Zusammenfassung:Abstract Two new pentacyclic triterpenoid sapogenins of the 18αH-oleana-9(11),12-diene type named glyyunnansapogenins G and H were isolated from the roots of GLYCYRRHIZA YUNNANENSIS Cheng f. et L. K. Tai. Their structures were elucidated as 18αH-oleana-9(11),12-diene-3β,21α,29-triol and 18αH-3β,21α-dihydroxyoleana-9(11),12-dien-29-oic acid, respectively, by spectroscopic methods. This is the first report of the occurrence of the 18αH series of oleana-9(11),12-diene compounds in nature.
ISSN:0032-0943
1439-0221
DOI:10.1055/s-2006-960057