Journal of Natural Products 2008-10-01

Antiproliferative triterpenes from Melaleuca ericifolia.

Fatma M Abdel Bar, Ahmed M Zaghloul, Sunitha V Bachawal, Paul W Sylvester, Kadria F Ahmad, Khalid A El Sayed

Index: J. Nat. Prod. 71 , 1787-90, (2008)

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Abstract

Three new 28-norlupane triterpenes, 28-norlup-20(29)-en-3beta-hydroxy-17beta-hydroperoxide (1), 28-norlup-20(29)-en-3beta-hydroxy-17alpha-hydroperoxide (2), and 20 S-17beta,29-epoxy-28-norlupan-3beta-ol (3), were isolated from the leaves of Melaleuca ericifolia along with eight known pentacyclic triterpenes. The structures of the new compounds were elucidated by spectroscopic methods including 1D and 2D NMR spectroscopy and mass spectrometry. The isolated triterpenes were evaluated for antiproliferative activity against the malignant +SA mammary epithelial cell line.

Related Compounds

  • Ursolic Acid
  • Betulin
  • Betulinic acid

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