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Two new aromatic polyketides from a sponge-derived Fusarium.


ABSTRACT: In our natural product screening program from marine fungi, two new aromatic polyketides karimunones A (1) and B (2) and five known compounds (3-7) were isolated from sponge-associated Fusarium sp. KJMT.FP.4.3 which was collected from an Indonesian sponge Xestospongia sp. The structures of these compounds were determined by the analysis of NMR and MS spectroscopic data. The NMR assignment of 1 was assisted by DFT-based theoretical chemical shift calculation. Compound 2 showed antibacterial activity against multidrug resistant Salmonella enterica ser. Typhi with a MIC of 125 µg/mL while 1 was not active.

SUBMITTER: Sibero MT 

PROVIDER: S-EPMC6941419 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Two new aromatic polyketides from a sponge-derived <i>Fusarium</i>.

Sibero Mada Triandala MT   Zhou Tao T   Fukaya Keisuke K   Urabe Daisuke D   Radjasa Ocky K Karna OKK   Sabdono Agus A   Trianto Agus A   Igarashi Yasuhiro Y  

Beilstein journal of organic chemistry 20191209


In our natural product screening program from marine fungi, two new aromatic polyketides karimunones A (<b>1</b>) and B (<b>2</b>) and five known compounds (<b>3</b>-<b>7</b>) were isolated from sponge-associated <i>Fusarium</i> sp. KJMT.FP.4.3 which was collected from an Indonesian sponge <i>Xestospongia</i> sp. The structures of these compounds were determined by the analysis of NMR and MS spectroscopic data. The NMR assignment of <b>1</b> was assisted by DFT-based theoretical chemical shift c  ...[more]

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