Two carabrane-type sesquiterpenes from Vladimiria souliei |
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| Authors: | Jing Xu Peng Zhang Zhongjun Ma Yuanqiang Guo Xiaojun Zhao Kun Wei |
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| Institution: | 1. College of Pharmaceutical Sciences, Nankai University, 94 Weijin Road, Tianjin 300071, China;2. School of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China;3. College of Chemistry & Life Sciences, Tianjin Normal University, Tianjin 300387, China;4. School of Chemical Science and Technology, Yunnan University, Kunming 650091, China |
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| Abstract: | Two new carabrane sesquiterpenes, 4,8-dioxo-6β-methoxy-7β,11-epoxy carabrane (1), and its isomer, 4,8-dioxo-6β-methoxy-7α,11-epoxy carabrane (2) were isolated from the roots of Vladimiria souliei. Their structures were elucidated by spectroscopic methods (IR, ESI-MS, HR-ESI-MS, 1D and 2D NMR). |
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