Two novel norlignans from Gymnotheca chinensis |
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| Authors: | Shi-Ji Xiao Xin-Xiang Lei Bing Xia Hong-Ping Xiao Da-Hai He Dong-Mei Fang Hua-Yi Qi Fang Chen Li-Sheng Ding Yan Zhou |
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| Institution: | 1. Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, PR China;2. College of Life Science, Sichuan University, Chengdu 610064, PR China;3. Wenzhou University, Wenzhou 325035, PR China |
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| Abstract: | Two novel norlignans, gymnothedelignans A and B were isolated from the whole plants of Gymnotheca chinensis. These norlignans possess a rare 2/5 epoxy benzocycloheptanone skeleton. Their structures were established on the basis of 1D and 2D NMR spectral data analysis, and the absolute stereochemistry of gymnothedelignans A and B was further confirmed by single crystal X-ray diffraction analysis. |
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| Keywords: | Gymnotheca chinensis Norlignan Absolute stereochemistry |
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