New dammarane triterpenes from Maytenus macrocarpa |
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| Authors: | Torpocco Virginia Chávez Haydee Estévez-Braun Ana Ravelo Angel Gutiérrez |
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| Institution: | Instituto Universitario de Bio-Orgánica Antonio González, Avda, Astrofísico Francisco Sánchez No2, La Laguna, 38206 Tenerife, Spain. |
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| 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. |
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