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Two New Nitrone Alkaloids from Huperzia serrata

✍ Scribed by Wen-Yun Gao; Yi-Ming Li; Shan-Hao Jiang; Da-Yuan Zhu

Publisher
John Wiley and Sons
Year
2008
Tongue
German
Weight
161 KB
Volume
91
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Two new nitrone alkaloids were isolated from the whole plant of Huperzia serrata (Thunb.) Trev. They are both phlegmarine‐type lycopodium alkaloids with a nitrone moiety. Their structures were elucidated on the basis of spectral evidences, and their configurations were established on the basis of optical rotation, CD, and NOESY‐NMR data.

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## Abstract Eleven __Lycopodium__ alkaloids with a lycopodine‐type skeleton were isolated from the basic material of the whole plant of __Huperzia serrata__ (Thunb.) Trev. (Huperziaceae). Among them, 12‐epilycodoline __N__‐oxide (=(12__α__,15__R__)‐12‐hydroxy‐15‐methyllycopodan‐5‐one __N__‐oxide; *