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  • Title: ent-Verticillane-type diterpenoids from the Japanese liverwort Jackiella javanica.
    Author: Nagashima F, Kishi K, Hamada Y, Takaoka S, Asakawa Y.
    Journal: Phytochemistry; 2005 Jul; 66(14):1662-70. PubMed ID: 15978642.
    Abstract:
    Three ent-verticillane diterpenoids and two ent-sesquiterpenoids were isolated from the Japanese liverwort Jackiella javanica Schiffn. together with five known ent-verticillane and three ent-kaurane diterpenoids, and three sesquiterpenoids. Five ent-verticillane epoxides were synthetically prepared from ent-verticillols action to clarify the absolute configuration of natural ent-9,10-epoxyverticillol. Their structures were established by extensive NMR spectroscopic and X-ray crystallographic analyses.
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