Stereumin A-E, sesquiterpenoids from the fungus Stereum sp CCTCC AF 207024

被引：35

作者：

Li, Guo-Hong ^{[1
,2
]}

Duan, Meng ^{[1
,2
]}

Yu, Ze-Fen ^{[1
,2
]}

Li, Lei ^{[1
,2
]}

Dong, Jin-Yan ^{[1
,2
]}

Wang, Xing-Biao ^{[1
,2
]}

Guo, Jian-Wei ^{[1
,2
]}

Huang, Rong ^{[3
]}

Wang, Min ^{[3
]}

Zhang, Ke-Qin ^{[1
,2
]}

机构：

[1] Yunnan Univ, Key Lab Conservat & Utilizat Bioresource, Minist Educ, Kunming 650091, Peoples R China

[2] Yunnan Univ, Key Lab Microbial Resources, Minist Educ, Kunming 650091, Peoples R China

[3] Yunnan Univ, Sch Chem Sci & Technol, Kunming 650091, Peoples R China

来源：

PHYTOCHEMISTRY | 2008年 / 69卷 / 06期

关键词：

Stereum sp CCTCC AF 207024; ITS and 28S rDNA sequences; sesquiterpenoid; nematicidal;

D O I：

10.1016/j.phytochem.2008.01.012

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Five cadinane sesquiterpenoids, named stereurnin A (1), B (2), C (3), D (4) and E (5) were isolated from the CHCl3 extract of the culture broth of the fungal strain CCTCC AF 207024. Based on the sequences at the internal transcribed spacer (ITS) region and partial 28S rDNA, this fungus was identified as a Stereunt sp. The structures of the five compounds were elucidated using spectroscopic data from 1D, 2D NMR and HRESIMS experiments, and the structures of 1 and 2 were further confirmed by single-crystal X-ray diffraction analysis. Compounds 1-5 showed nematicidal activities against the nematode Panagrellus redivivus at 400 mg l(-1). Among these five compounds, compounds 3 and 4 killed 84.4% and 94.9%. of P. redivivus, respectively in 48 h. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1439 / 1445

页数：7

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