Terpenoids from Euphorbia pekinensis

J Asian Nat Prod Res. 2015;17(12):1213-9. doi: 10.1080/10286020.2015.1118466. Epub 2015 Dec 10.

Abstract

Euphorpekone A (1) and euphorpekone B (2), two new diterpenoids, 3β-hydroxy-25-methyloxylanosta-8,23-diene, a new triterpenoid (3), together with a known triterpenoid, 3β,25-dihydroxylanosta-8,23-diene (4), were isolated from Euphorbia pekinensis Rupr. Their structures were elucidated on the basis of UV, IR, 1D ((1)H, (13)C, NOE) and 2D ((1)H-(1)H COSY, HSQC, HMBC) NMR, HR-ESI-MS, X-ray diffraction analysis, and CD method.

Keywords: Euphorbia pekinensis; Euphorbiaceae; diterpenoid; triterpenoid.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Antineoplastic Agents, Phytogenic / chemistry
  • Antineoplastic Agents, Phytogenic / isolation & purification*
  • Antineoplastic Agents, Phytogenic / pharmacology
  • Diterpenes / chemistry
  • Diterpenes / isolation & purification*
  • Euphorbia / chemistry*
  • Molecular Structure
  • Nuclear Magnetic Resonance, Biomolecular
  • Triterpenes / chemistry
  • Triterpenes / isolation & purification*
  • Triterpenes / pharmacology

Substances

  • 3beta-hydroxy-25-methyloxylanosta-8,23-diene
  • Antineoplastic Agents, Phytogenic
  • Diterpenes
  • Triterpenes
  • euphorpekone A
  • euphorpekone B