Four New Triterpenoids from the Bark of Euonymus alatus forma ciliato-dentatus

Four novel lupane-type lupane-type triterpenoids (including three norlupane-type triterpenoids), 17β-hydroxy-28-norlup-20(29)-en-3-one ( ), 3β,17β-dihydroxy-28,30-bisnorlupan-20-one ( ), 3β-hydroxy-20-oxo-30-norlupan-28-al ( ) and lup-20(29)-ene-3,23,30-triol ( ), were isolated together with ten kno...

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Bibliographic Details
Published in:Phytochemistry letters 2019-06, Vol.31, p.140-146
Main Authors: Yamashita, Hiroshi, Matsuzaki, Madoka, Kurokawa, Yuria, Nakane, Takahisa, Goto, Masuo, Lee, Kuo-Hsiung, Shibata, Toshiro, Bando, Hideo, Wada, Koji
Format: Article
Language:English
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Summary:Four novel lupane-type lupane-type triterpenoids (including three norlupane-type triterpenoids), 17β-hydroxy-28-norlup-20(29)-en-3-one ( ), 3β,17β-dihydroxy-28,30-bisnorlupan-20-one ( ), 3β-hydroxy-20-oxo-30-norlupan-28-al ( ) and lup-20(29)-ene-3,23,30-triol ( ), were isolated together with ten known lupane triterpenoids ( ~ ) from the bark of forma . Their structures were determined from 1D- and 2D-NMR analysis and comparison of their spectroscopic data with literature values. The known compounds ( ~ ) were reported for the first time from this plant.
ISSN:1874-3900
1876-7486
DOI:10.1016/j.phytol.2019.03.015