Rhusemialins A-C, new cyclolignan esters from the roots of Rhus javanica var. roxburghiana

Chem Pharm Bull (Tokyo). 2007 May;55(5):804-7. doi: 10.1248/cpb.55.804.

Abstract

Three new cyclolignan esters and seven known compounds including two cyclolignan isolariciresinol, lynoiresinol, and five aromatic compounds methyl ferulate, vanillin, 4-hydroxy-3,5-dimethoxybenaldehyde, 4-methoxygallic acid, gallic acid were isolated from n-butanol extract of Rhus semialata (Anacardiaceae). The structural elucidations of rhusemialins A (1), B (2), and C (3) were based on FAB-MS, 1D and 2D NMR spectra.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Caffeic Acids / chemistry*
  • Caffeic Acids / isolation & purification
  • Glucosides / chemistry*
  • Glucosides / isolation & purification
  • Hydrolysis
  • Lignans / chemistry*
  • Lignans / isolation & purification
  • Magnetic Resonance Spectroscopy
  • Plant Extracts / analysis
  • Plant Roots / chemistry
  • Rhus / chemistry*
  • Spectrometry, Mass, Fast Atom Bombardment
  • Spectrophotometry, Infrared
  • Spectrophotometry, Ultraviolet

Substances

  • Caffeic Acids
  • Glucosides
  • Lignans
  • Plant Extracts
  • lynoirersinol-4-O-glucopyranosyl-6''-O-feruloyl ester
  • lynoiresinol-4-O-glucopyranosyl-4'',6''-O-diferuloyl ester
  • lyoniresinol-9'-O-caffeoyl ester