ORIGINAL ARTICLE |
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Lycoplanines B-D, Three Lycopodium Alkaloids from Lycopodium complanatum |
Zhi-Jun Zhang1,2, Qin-Feng Zhu1,2, Jia Su1, Xing-De Wu1, Qin-Shi Zhao1 |
1 State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, People's Republic of China; 2 University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China |
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Abstract A novel C17N Lycopodium alkaloid (LA), lycoplanine B (1), containing an unusual formyl group, along with two new LAs, lycoplanines C (2) and D (3), were isolated from the whole plant of Lycopodium complanatum. Their structures were elucidated by extensive NMR techniques, including 1D-and 2D-NMR experiments, as well as comparing their spectral data with those of the known analogues. A possible biogenetic pathway for 1 was also proposed.
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Keywords
Lycopodium complanatum
Lycoplanines
Lycopodium alkaloids
Anti-AChE activity
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Fund:This work was financially supported by the NSFC-Joint Foundation of Yunnan Province (No.U1502223),the National Natural Science Foundation of China (Nos.81773611 and 21602227),the Science and Technology Program of Yunnan province (Nos.2016FB140 and 2015FB173). |
Corresponding Authors:
Qin-Shi Zhao
E-mail: qinshizhao@mail.kib.ac.cn
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Issue Date: 02 June 2018
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