New cytotoxic lupane triterpenes from Perrottetia arisanensis

Ying Chi Du, An Shen Lin, Chin Chung Wu, Pei Wen Hsieh, Yung Husan Chen, I. Hsiao Chen, Shu Li Chen, Hsin Fu Yen, Tilo Lübken, Fang Rong Chang*, Yang Chang Wu

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

8 Scopus citations

Abstract

Eight new lupane triterpenes, including 7β-cis-coumaroylbetulinic acid (1), 7β-trans-coumaroylbetulinic acid (2), 7β-cis-coumaroyl-3-epi- betulinic acid (3), 7β-trans-coumaroyl-3-epi-betulinic acid (4), 7β-cis-coumaroylbetulonic acid (5), 7β-trans-coumaroylbetulonic acid (6), 7β-hydroxybetulinaldehyde (7) and 28-norlup-20(29)-ene-3α, 17β-diol (8), together with fifteen known compounds were isolated from the bioactive methanol extract of the stems of Perrottetia arisanensis. The structures of the new compounds were elucidated by spectroscopic and HR-ESI-MS analysis. All new compounds were evaluated for their cytotoxicity against six human cancer cell lines. Among them, lupane triterpene coumaroyl esters 1-6 showed moderate cytotoxicity with IC50 values ranging from 3.75 to 21.29 μM. This is the first report for lupane triterpenes with a phenylpropane moiety substituted at C-7.

Original languageEnglish
Pages (from-to)848-855
Number of pages8
JournalPlanta Medica
Volume75
Issue number8
DOIs
StatePublished - 06 2009
Externally publishedYes

Keywords

  • 7-Phenylpropanyllupanes
  • Celastraceae
  • Cytotoxicity
  • Perrottetia arisanensis

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