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Molecules 2011, 16(12), 10471-10478; doi:10.3390/molecules161210471

Terpenoids and Bibenzyls from Three Argentine Liverworts

Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514, Japan
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Received: 22 November 2011 / Revised: 5 December 2011 / Accepted: 12 December 2011 / Published: 16 December 2011
(This article belongs to the Special Issue Terpenoids)
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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 69 and two known bibenzyls 10, 11 were isolated from the Et2O extracts of Argentine Frullania brasiliensis and Radula voluta, respectively. The structures of compounds 311 were determined by the use of NMR techniques.
Keywords: Jungermanniales; liverwort; Radula voluta; Frullania brasiliensis; Anastrophyllum species; bibenzyl; rosane; chemosystematics Jungermanniales; liverwort; Radula voluta; Frullania brasiliensis; Anastrophyllum species; bibenzyl; rosane; chemosystematics
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Nagashima, F.; Asakawa, Y. Terpenoids and Bibenzyls from Three Argentine Liverworts. Molecules 2011, 16, 10471-10478.

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