Bioactive 12-oleanene triterpene and secotriterpene acids from Maytenus undata.

@article{Muhammad2000Bioactive1T,
  title={Bioactive 12-oleanene triterpene and secotriterpene acids from Maytenus undata.},
  author={Ilias Muhammad and Khalid A El Sayed and Jaber S. Mossa and Mansour Suliman Al-Said and Farouk S. El-Feraly and Alice Mae Clark and Charles D. Hufford and Sei-Ryang Oh and Alejandro M. S. Mayer},
  journal={Journal of natural products},
  year={2000},
  volume={63 5},
  pages={605-10}
}
The aerial parts of Maytenus undata yielded four new 12-oleanene and 3,4-seco-12-oleanene triterpene acids, namely, 3-oxo-11alpha-methoxyolean-12-ene-30-oic acid (1), 3-oxo-11alpha-hydroxyolean-12-ene-30-oic acid (2), 3-oxo-olean-9(11), 12-diene-30-oic acid (3), and 3,4-seco-olean-4(23),12-diene-3, 29-dioic acid (20-epi-koetjapic acid) (5), together with the known 3, 11-dioxoolean-12-ene-30-oic acid (3-oxo-18beta-glycyrrhetinic acid) (4), koetjapic acid (6), and the 12-oleanene artifact 3-oxo… CONTINUE READING
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