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Lethality Bioassay Using Artemia salina L.
Published on: October 11, 2022
Terpenoids and bibenzyls from three Argentine liverworts
Fumihiro Nagashima1, Yoshinori Asakawa
1Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Japan. fnaga@ph.bunri-u.ac.jp
Abstract:
A new rosane diterpenoid, 3a-hydroxy-5,15-rosadien-11-one (3), was isolated, together with a known rosane diterpenoid, 5,15-rosadiene-3,11-dione (4), and an aromadendrane sesquiterpenoid, ent-cyclocolorenone (5), from the Et(2)O extract of an unidentified Argentine liverwort Anastrophyllum species. Moreover, four known sesquiterpene lactones 6-9 and two known bibenzyls 10, 11 were isolated from the Et(2)O extracts of Argentine Frullania brasiliensis and Radula voluta, respectively. The structures of compounds 3-11 were determined by the use of NMR techniques.
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