Six new ursane- and oleanane-type triterpenes from the aerial roots of Ficus microcarpa |
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| Authors: | Kuo Y H Chiang Y M |
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| Institution: | Department of Chemistry, National Taiwan University, and National Research Institute of Chinese Medicine, Taipei, ROC. yhkuo@ccms.ntu.edu.tw |
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| Abstract: | Four new ursane-type triterpenes, 3beta-acetoxy-11alpha-methoxy-12-ursene (1), 3beta-acetoxy-11alpha-ethoxy-12-ursene (2), 3beta-acetoxy-11alpha-hydroperoxy-12-ursene (3), 3beta-hydroxy-11alpha-hydroperoxy-12-ursene (4), and two new oleanane-type triterpenes, 3beta-acetoxy-11alpha-ethoxy-12-oleanene (5), 3beta-acetoxy-111alpha-hydroperoxy-12-oleanene (6), together with 3beta-acetoxy-11alpha-hydroxy-12-ursene (7), 3beta,11alpha-diacetoxy-12-ursene (8), 3beta-acetoxy-11alpha-hydroxy-12-oleanene (9), were isolated from the aerial roots of Ficus microcarpa L. f. Their structures were elucidated by spectroscopic and chemical methods. |
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