New dammarane triterpenes from Maytenus macrocarpa

Chem Pharm Bull (Tokyo). 2007 May;55(5):812-4. doi: 10.1248/cpb.55.812.

Abstract

Two new dammarane triterpenes have been isolated from the stem bark exudates of Maytenus macrocarpa. Their structures were determined by extensive 1D and 2D NMR spectroscopic studies as 24(Z)-3-oxodammara-20(21),24-dien-27-oic acid (1) and octa-nor-13-hydroxydammara-1-en-3,17-dione (2). These compounds were tested for antitumoral activity.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • DNA, Plant / chemistry
  • DNA, Plant / genetics
  • Dammaranes
  • Magnetic Resonance Spectroscopy
  • Maytenus / chemistry*
  • Saccharomyces cerevisiae / metabolism
  • Spectrophotometry, Infrared
  • Spectrophotometry, Ultraviolet
  • Triterpenes / chemistry*
  • Triterpenes / isolation & purification

Substances

  • 3-oxodammara-20(21),24-dien-27-oic acid
  • DNA, Plant
  • Triterpenes
  • octa-nor-13-hydroxydammara-1-en-3,17-dione