Four New Lanostane Triterpenoids from Euphorbia humifusa

Four New Lanostane Triterpenoids from Euphorbia humifusa

Four new lanostane triterpenoids, namely (3β)‐3‐hydroxy‐24‐methylenelanost‐8‐ene‐7,11‐dione (1), (3β)‐3‐hydroxylanosta‐8,24‐diene‐7,11‐dione (2), (3β,7α)‐3,7‐dihydroxylanosta‐8,24‐dien‐11‐one (3), and (3β,11β)‐3,11‐dihydroxylanosta‐8,24‐dien‐7‐one (4) were isolated from Euphorbia humifusa, together...

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Veröffentlicht in:Helvetica chimica acta 2007-11, Vol.90 (11), p.2245-2250
Hauptverfasser: Lu, Zhi-Qiang, Chen, Guang-Tong, Zhang, Jin-Qiang, Huang, Hui-Lian, Guan, Shu-Hong, Guo, De-An
Format: Artikel
Sprache:eng
Schlagworte:
Euphorbia humifusa
Lanostane triterpenoids
Triterpenoids
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Zusammenfassung:Four new lanostane triterpenoids, namely (3β)‐3‐hydroxy‐24‐methylenelanost‐8‐ene‐7,11‐dione (1), (3β)‐3‐hydroxylanosta‐8,24‐diene‐7,11‐dione (2), (3β,7α)‐3,7‐dihydroxylanosta‐8,24‐dien‐11‐one (3), and (3β,11β)‐3,11‐dihydroxylanosta‐8,24‐dien‐7‐one (4) were isolated from Euphorbia humifusa, together with 2 known compounds. The structures of these new compounds were elucidated on the basis of extensive spectroscopic analysis and comparison with the related known compounds.
ISSN:0018-019X
1522-2675
DOI:10.1002/hlca.200790233