Isolation and structure elucidation of (-)-idescarparide, a new spiro compound from Idesia polycarpa

Tae Bum Kim, Hyeon Woo Kim, Mina Lee, Hyang Hwa Lee, Seung Hyun Kim, Sung Kwon Kang, Sang Hyun Sung

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

(-)-Idescarparide, a new spiro compound possessing a tetrahydrobenzodioxole structure from the fruit of Idesia polycarpa Maxim. was identified to be a dimer of (-)-idescarpin by spectroscopic analysis. The absolute configuration of (-)-idescarpin was firstly determined to be of S form by using single-crystal X-ray diffraction. The absolute configuration of (-)-idescarparide was confirmed by comparison with semi-synthetic (-)-idescarparide, achieved via triethylamine-catalyzed dimerization of (-)-idescarpin. (-)-Idescarparide significantly reduced lipid production in 3T3-L1 cells.

Original languageEnglish
Pages (from-to)5447-5449
Number of pages3
JournalTetrahedron Letters
Volume55
Issue number40
DOIs
StatePublished - 1 Oct 2014

Keywords

  • Absolute stereochemistry
  • Dimerization
  • Idesia polycarpa
  • Spiro compound

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