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Lycojapodine A, a Novel Alkaloid from Lycopodium japonicum

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posted on 2009-03-19, 00:00 authored by Juan He, Xuan-Qin Chen, Ming-Ming Li, Yu Zhao, Gang Xu, Xiao Cheng, Li-Yan Peng, Min-Jin Xie, Yong-Tang Zheng, Yi-Ping Wang, Qin-Shi Zhao
Lycojapodine A, a novel C16N-type Lycopodium alkaloid with an unprecedented 6/6/6/7 tetracyclic ring system, was isolated from the club moss Lycopodium japonicum. The structure and relative stereochemistry were elucidated on the basis of spectroscopic data and were further confirmed by X-ray analysis. A possible biosynthetic pathway for 1 was proposed. Its inhibitory activity on acetylcholinestrease and anti-HIV-1 activity were also evaluated.

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