Issue 2, 2013
From the journal:

RSC Advances

Terretonin, ophiobolin, and drimaneterpenes with absolute configurations from an algicolous Aspergillus ustus†

Xiang-Hong Liu,a   Feng-Ping Miao,a   Ming-Feng Qiao,a   Robert H. Cichewiczb  and  Nai-Yun Ji*a  

* Corresponding authors

a Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
E-mail: nyji@yic.ac.cn
Tel: +86 535 2109176

b University of Oklahoma, Norman, Oklahoma 73019, United States

Abstract

One new meroterpene, 1,2-dihydroterretonin F (2), five new sesterterpenes, (6α)-21-deoxyophiobolin G (3), (6α)-16,17-dihydro-21-deoxyophiobolin G (4), ophiobolin U (5), ophiobolin V (6), and ophiobolin W (7), two new sesquiterpenes, (6-strobilactone-B) esters of (E,E)-6,7-epoxy-2,4-octadienoic acids (13 and 14), and twelve known terpenes (1, 8–12, and 15–20) were isolated from Aspergillus ustus, a fungus from the fresh tissue of marine green alga Codium fragile. Their structures and absolute configurations were identified by NMR and mass spectroscopic methods as well as quantum chemical calculations. Some of the isolates exhibited antibacterial activity and brine shrimp toxicity.

Graphical abstract: Terretonin, ophiobolin, and drimane terpenes with absolute configurations from an algicolous Aspergillus ustus

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Article information

DOI
https://doi.org/10.1039/C2RA22701K
Article type
Paper
Submitted
30 Oct 2012
Accepted
09 Nov 2012
First published
09 Nov 2012

RSC Adv., 2013,3, 588-595

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Terretonin, ophiobolin, and drimane terpenes with absolute configurations from an algicolous Aspergillus ustus

X. Liu, F. Miao, M. Qiao, R. H. Cichewicz and N. Ji, RSC Adv., 2013, 3, 588 DOI: 10.1039/C2RA22701K

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