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Ophiobolin Sesterterpenoids and Pyrrolidine Alkaloids from the Sponge-Derived Fungus Aspergillus ustus

✍ Scribed by Hong-Bing Liu; RuAngelie Edrada-Ebel; Rainer Ebel; Yao Wang; Barbara Schulz; Siegfried Draeger; Werner E. G. Müller; Victor Wray; Wen-Han Lin; Peter Proksch

Publisher
John Wiley and Sons
Year
2011
Tongue
German
Weight
236 KB
Volume
94
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Chemical examination of the fungus Aspergillus ustus isolated from the Mediterranean sponge Suberites domuncula yielded the five new ophiobolin‐type sesterterpenoids 1–5 and the two new pyrrolidine alkaloids 6 and 7, together with the known compound aurantiamine and cerebroside D. The structures of the new compounds were unambiguously elucidated on the basis of extensive spectroscopic‐data analysis (1D‐ and 2D‐NMR, MS, and UV) and comparison with literature data. All compounds were evaluated for their cytotoxicity against murine lymphoma cell line L5178Y.

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