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论文 |
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论文题目: |
Unraveling the Metabolic Pathway in Leucosceptrum canum by Isolation of New Defensive Leucosceptroid Degradation Products and Biomimetic Model Synthesis
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论文题目英文: |
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作者: |
Luo, Shi-Hong; Hugelshofer, Cedric L.; Hua, Juan; Jing, Shu-Xi; Li, Chun-Huan; Liu, Yan; Li, Xiao-Nian; Zhao, Xu; Magauer, Thomas; Li, Sheng-Hong
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论文出处: |
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年: |
2014
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卷: |
16 |
期: |
24 |
页: |
6416-6419 |
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发表期刊: |
ORGANIC LETTERS |
第一作者所在部门: |
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影响因子: |
5.128
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摘要: |
Seven new leucosceptroid degradation products possessing a C-20, C-21, or C-25 framework, norleucosceptroids DH (1-5), leucosceptroids P (6), and Q (7), have been isolated from Leucosceptrum canum. Their structures were determined by comprehensive NMR, MS, and single-crystal X-ray diffraction analyses. Discovery of these key intermediates, together with the biomimetic oxidation of a model system, supports the hypothesis that two biosynthetic pathways are operative. Antifeedant activity was observed for compounds 1-3. |
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