Chemistry of Natural Compounds

, Volume 51, Issue 6, pp 1126–1129 | Cite as

Chemical Constituents of Pittosporum illicioides

  • Bing-Kun Xiao
  • Jian-Yun Yang
  • Yan-Ru Liu
  • Jun-Xing Dong
  • Rong-Qing Huang

3-Oxo-20-demethylisoaleuritolic-14(15)-ene-28,30-dioic acid (1), a novel triterpenoid, has been isolated from the ethanolic extract of Pittosporum illicioides, together with eight known compounds, i.e., stearic acid (2), 6,7-dimethoxycoumarin (3), 7-hydroxy-6-methoxycoumarin (4), 4,4-dimethylheptanedioic acid (5), syringic acid (6), syringaresinol (7), zhebeiresinol (8), and hacquetiasaponin 4 (9). The structures of these compounds were determined by detailed spectroscopic methods including HR-ESI-MS and 1D and 2D NMR. Compounds 4, 5, 8, 9 were isolated from P. illicioides for the first time. Moreover, it was found that compound 1 showed potent antitumor activity against A549 cells.


Pittosporum illicioides triterpenoid antitumor activity 



This work was supported by Beijing Natural Science Foundation (No. 7142125); National Natural Science Foundation of China (No. 21375147); and the Integrated Drug R&D Platform (No. 2012ZX09301003-001-010) for "the significant creation of new drugs" under major projects of National Science and Technology, China.


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Bing-Kun Xiao
    • 1
  • Jian-Yun Yang
    • 1
  • Yan-Ru Liu
    • 1
  • Jun-Xing Dong
    • 1
  • Rong-Qing Huang
    • 1
  1. 1.Beijing Institute of Radiation MedicineBeijingP. R. China

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