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Terpenoids and Bibenzyls from Three Argentine Liverworts
Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514, Japan
* Author to whom correspondence should be addressed.
Received: 22 November 2011; in revised form: 5 December 2011 / Accepted: 12 December 2011 / Published: 16 December 2011
(This article belongs to the Special Issue Terpenoids
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 Et2O 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 Et2O extracts of Argentine Frullania brasiliensis and Radula voluta, respectively. The structures of compounds 3–11 were determined by the use of NMR techniques.
Keywords: Jungermanniales; liverwort; Radula voluta; Frullania brasiliensis; Anastrophyllum species; bibenzyl; rosane; chemosystematics
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MDPI and ACS Style
Nagashima, F.; Asakawa, Y. Terpenoids and Bibenzyls from Three Argentine Liverworts. Molecules 2011, 16, 10471-10478.
Nagashima F, Asakawa Y. Terpenoids and Bibenzyls from Three Argentine Liverworts. Molecules. 2011; 16(12):10471-10478.
Nagashima, Fumihiro; Asakawa, Yoshinori. 2011. "Terpenoids and Bibenzyls from Three Argentine Liverworts." Molecules 16, no. 12: 10471-10478.