Argutalactone, an unprecedented sesquiterpenoid lactone with a 6/5/7 tricyclic system from Incarvillea arguta

Jian Jun Fu, Li Yan Wang, Hong Lin Li, Jiang Jiang Qin, Yun Heng Shen, Jia Gao Cheng, Hui Zi Jin*, Wei Dong Zhang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Argutalactone (1), a novel sesquiterpenoid lactone featuring an unprecedented 6/5/7 rigid skeleton, was isolated from the roots of Incarvillea arguta. The structure and relative configuration of 1 were established by extensive analysis of spectroscopic data. The absolute configuration of 1 was determined as 2R,5S,10R,12S based on the analysis of biogenetical transformation, comparison of the optical rotation with literature data, and comparison of the experimental circular dichroism spectrum with the calculated electronic circular dichroism spectra.

Original languageEnglish
Pages (from-to)496-502
Number of pages7
JournalJournal of Asian Natural Products Research
Volume14
Issue number5
DOIs
StatePublished - 1 May 2012
Externally publishedYes

Keywords

  • Incarvillea arguta
  • argutalactone
  • density functional calculations
  • sesquiterpenoid lactone

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