Lycojaponicumins D and E: Two New Alkaloids from Lycopodium japonicum
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Two new alkaloids, lycojaponicumins D (1) and E (2), were isolated from the club moss Lycopodium japonicum. Their structures were elucidated by spectroscopic methods, calculated ECD, CD experiments and X-ray diffraction analysis. Lycojaponicumin D (1) possesses an unprecedented 5/7/6/6 tetracyclic skeleton formed by an unusual C3–C13 linkage, which is first reported in Lycopodium alkaloids. The plausible biogenetic pathway of 1 is proposed.
创建时间：
2016-02-20
