Oleanane-Type Triterpenoids from Glochidion assamicum

Phytochemical analysis of the extract of the leaves and twigs of Glochidion assamicum led to the isolation of four new oleanane‐type triterpenoids, 21β‐(benzoyloxy)olean‐12‐ene‐3β,16β,23,28‐tetraol (1), 21β‐(benzoyloxy)olean‐12‐ene‐3β,16β,28‐triol (2), 21β‐{(E)‐cinnamoyloxy]olean‐12‐ene‐3β,16β,23, 2...

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Bibliographic Details
Published in:Helvetica chimica acta 2011-12, Vol.94 (12), p.2264-2271
Main Authors: Liu, Xiao-Qing, Huang, Hong-Li, Yao, Ming-Jun, Han, Guang-Tian, Liu, Ning, Yuan, Ji-Cheng, Yuan, Cheng-Shan
Format: Article
Language:English
Subjects:
Glochidion assamicum
Oleanane
Triterpenoids
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Summary:Phytochemical analysis of the extract of the leaves and twigs of Glochidion assamicum led to the isolation of four new oleanane‐type triterpenoids, 21β‐(benzoyloxy)olean‐12‐ene‐3β,16β,23,28‐tetraol (1), 21β‐(benzoyloxy)olean‐12‐ene‐3β,16β,28‐triol (2), 21β‐{(E)‐cinnamoyloxy]olean‐12‐ene‐3β,16β,23, 28‐tetraol (3), and 21β‐[(Z)‐cinnamoyloxy]olean‐12‐ene‐3β,16β,23,28‐tetraol (4). Their structures were elucidated on the basis of spectroscopic evidence and mass‐spectral data.
ISSN:0018-019X
1522-2675
DOI:10.1002/hlca.201100235