Terpenoids and bibenzyls from three Argentine liverworts.

Terpenoids and bibenzyls from three Argentine liverworts.
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DOI:
10.3390/molecules161210471
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发表时间:
2011-12-16
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Asakawa Y
Asakawa Y
中科院分区:
其他
文献类型:
--
作者:
Nagashima F;Asakawa Y

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从一种阿根廷苔类植物Anastrophyllum的Et_2O提取物中分离得到一种新的玫瑰烷型二萜,3α-羟基-5,15-玫瑰二烯-11-酮(3),以及一种已知的玫瑰烷型二萜,5,15-玫瑰二烯-3,11-二酮(4)和一种芳香萜烷型倍半萜,对映-环色烯酮(5)。另外,从巴西Frullania brasiliensis和扁舌Radula voluta的乙醚提取物中分别分离得到4个已知的倍半萜内酯6-9和2个已知的联苄化合物10、11。化合物3-11的结构通过NMR技术确定。
A new rosane diterpenoid, 3α-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.
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