A new tetranortriterpenoid from Trichilia havanensis

J Nat Prod. 2003 Mar;66(3):452-4. doi: 10.1021/np0204646.

Abstract

A new triterpenoid, 1beta,2beta;21,23-diepoxy-7alpha-hydroxy-24,25,26,27-tetranor-apotirucalla-14,20,22-trien-3-one (1), has been isolated from an acetone extract of seeds of Trichilia havanensis, along with other known limonoids. The structure of 1 was established by spectroscopic methods, particularly by 1D and 2D NMR studies. Compound 1 was tested as an antifeedant agent against Leptinotarsa decemlineata larvae, showing a significant antifeedant activity at 300 ppm.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Coleoptera / drug effects
  • Feeding Behavior / drug effects
  • Larva / drug effects
  • Limonins / chemistry
  • Limonins / isolation & purification*
  • Limonins / pharmacology
  • Meliaceae / chemistry*
  • Mexico
  • Molecular Structure
  • Nuclear Magnetic Resonance, Biomolecular
  • Plants, Medicinal / chemistry*
  • Seeds / chemistry
  • Stereoisomerism

Substances

  • 1beta,2beta;21,23-diepoxy-7alpha-hydroxy-24,25,26,27-tetranor-apotirucalla-14,20,22-trien-3-one
  • Limonins