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. 2012 Apr 13;2(3):117–120. doi: 10.1007/s13659-012-0023-2

Isochromophilones from an endophytic fungus Diaporthe sp.

Le-Yun Zang 1, Wei Wei 1, Ting Wang 1, Ye Guo 1, Ren-Xiang Tan 1,, Hui-Ming Ge 1,
PMCID: PMC4131592

Abstract

Three new azaphilone compounds, isochromophilones X–XII (1–3), together with two known ones sclerotioramine (4) and isochromophilone VI (5) were isolated from the cultures of an endophytic fungus Diaporthe sp. The structures were elucidated by extensive HRESIMS and NMR spectroscopic analyses. All compounds were tested for their cytotoxicities against five human cancer cell lines by MTT method, among which compound 1 showed moderate inhibitory effects on these cell lines. This was the first report of azaphilones isolated from Diaporthe sp. graphic file with name 13659_2012_23_Article_Fig1_HTML.jpg

Electronic Supplementary Material

Supplementary material is available for this article at 10.1007/s13659-012-0023-2 and is accessible for authorized users.

Keywords: azaphilone, endophyte, Diaporthe sp., cytotoxicity

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13659_2012_23_MOESM1_ESM.pdf (819.6KB, pdf)

Supplementary material, approximately 819 KB.

Footnotes

This article is published with open access at Springerlink.com

Contributor Information

Ren-Xiang Tan, Email: rxtan@nju.edu.cn.

Hui-Ming Ge, Email: hmge@nju.edu.cn.

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13659_2012_23_MOESM1_ESM.pdf (819.6KB, pdf)

Supplementary material, approximately 819 KB.


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