New dibenzocyclooctadiene lignan from Schisandra chinensis (Turcz.) Baill. fruits

Trong Nguyen Nguyen, Yeong Geun Lee, Hyoung Geun Kim, Dahye Yoon, Jin Tae Jeong, Dae Young Lee, Nam In Baek

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Repeated column chromatography using Sephadex LH-20, silica gel (SiO2), and octadecyl SiO2 (ODS) as well as preparative HPLC column chromatography led to isolation of a new dibenzocyclooctadiene lignan along with four known ones, gomisin L2 (1), L1 (2), M1 (3), and M2 (4). Their chemical structures were fixed based on MS, IR, and NMR data analyses. In addition, the stereochemistry of atropisomers, the absolute configuration of the axial chirality in a biphenyl structure, was confirmed by a CD experiment. The new lignan was named gomisin M3 (5).

Original languageEnglish
Article number46
JournalApplied Biological Chemistry
Volume64
Issue number1
DOIs
StatePublished - Dec 2021

Keywords

  • Atropisomer
  • Axial chirality
  • Circular dichroism
  • Dibenzocyclooctadiene lignan
  • Gomisin M3
  • Schisandra chinensis

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