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Paxiphyllines A and B, new alkaloids from Daphniphyllum paxianum |
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| Authors: | Yu Zhang Hongping He Yingtong Di Shuzhen Mu Yuehu Wang Junsong Wang Chunshun Li Ningchuan Kong Suo Gao Xiaojiang Hao |
| Affiliation: | aState Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, PR China bGraduated School of Chinese Academy of Sciences, Beijing 100039, PR China cThe Key Laboratory of Chemistry for Natural Product of Guizhou Province and Chinese Academy of Science, Guiyang 550002, PR China dGerman Cancer Research Centre, Pharmaceutical Biology (C015), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany |
| Abstract: | Two new Daphniphyllum alkaloids with daphnicyclidin-type skeleton, paxiphyllines A (1) and B (2) were isolated from the twigs and the leaves of Daphniphyllum paxianum. Paxiphylline A (1) has an unprecedented additional carbon from a biogenetic perspective. The structures and relative configurations were elucidated on the basis of spectroscopic data. |
| Keywords: | Daphniphyllum paxianum Alkaloids Paxiphylline |
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