Author:

Peng J, Zhang X, Wang W, Zhu T, Gu Q, Li D.

Date: 15 August 2016

Abstract:

Three new meroterpenoids, named austalides S-U (1-3), were isolated from the culture of a sponge-derived fungus Aspergillus aureolatus HDN14-107, together with eleven known austalides derivates (4-14). Their structures, including absolute configurations, were assigned on the basis of NMR, MS data, and TDDFT ECD calculations. Compound 1 is the first case of austalides with the terpene ring fused to the chroman ring in trans configuration. Compounds 3 and 5 exhibited activities against influenza virus A (H1N1), with IC50 values of 90 and 99 μM, respectively.

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