Four new triterpenoids isolated from the resin of Garcinia hanburyi

J Asian Nat Prod Res. 2014 Jan;16(1):20-8. doi: 10.1080/10286020.2013.875012. Epub 2014 Jan 7.

Abstract

Four new triterpenoids, 2-O-acetyl-3-O-(4'-O-acetyl)-α-l-arabinopyranosylmaslinic acid (1), 2-O-acetyl-3-O-(3'-O-acetyl)-α-l-arabinopyranosylmaslinic acid (2), 2-O-acetyl-3-O-(3',4'-O-diacetyl)-α-l-arabinopyranosylmaslinic acid (3), and 3-O-(3'-O-acetyl)-α-l-arabinopyranosyloleanolic acid (4), together with six known triterpenoids, 3-O-(4'-O-acetyl)-α-l-arabinopyranosyloleanolic acid (5), maslinic acid (6), 2-O-acetylmaslinic acid (7), 3-O-acetylmaslinic acid (8), betulinic acid (9), and 2α-hydroxy-3β-O-acetylbetulinic acid (10), were isolated from the EtOAc extract of Garcinia hanburyi resin. Their structures were elucidated by analysis of the spectroscopic data and chemical methods.

MeSH terms

  • Betulinic Acid
  • Garcinia / chemistry*
  • Molecular Structure
  • Nuclear Magnetic Resonance, Biomolecular
  • Pentacyclic Triterpenes
  • Resins, Plant / chemistry
  • Triterpenes / chemistry
  • Triterpenes / isolation & purification*
  • Vietnam

Substances

  • Pentacyclic Triterpenes
  • Resins, Plant
  • Triterpenes
  • maslinic acid
  • Betulinic Acid