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- Title
Three New 24-Nortriterpenoids from the Roots of Ilex asprella.
- Authors
Jiang, Kun; Bai, Jun-Qi; Chang, Jun; Tan, Jun-Jie; Qu, Shi-Jin; Luo, Hong-Feng; Tan, Chang-Heng; Zhu, Da-Yuan
- Abstract
Asprellols A-C ( 1- 3, resp.), three new 24-nortriterpenoids, were isolated from the CHCl3-soluble fraction of 95% EtOH extract of the roots of Ilex asprella, together with a known nortriterpenoid. The structures of the new compounds were elucidated as 2,6 β,20 β-trihydroxy-3-oxo-11 α,12 α-epoxy-24-norursa-1,4-dien-28,13 β-olide ( 1), 2,6 β-dihydroxy-3-oxo-11 α,12 α-epoxy-24-norursa-1,4,20(30)-trien-28,13 β-olide ( 2), and 2,6 β-dihydroxy-3-oxo-11 α,12 α-epoxy-24-noroleana-1,4-dien-28,13 β-olide ( 3) on the basis of spectroscopic analyses.
- Subjects
TRITERPENOIDS; HOLLIES; PLANT extracts; PLANT roots; SPECTROMETRY; SPECTRUM analysis
- Publication
Helvetica Chimica Acta, 2014, Vol 97, Issue 1, p64
- ISSN
0018-019X
- Publication type
Article
- DOI
10.1002/hlca.201300147