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. 2016 May 1;26(9):2220-3.
doi: 10.1016/j.bmcl.2016.03.057. Epub 2016 Mar 15.

Paecilonic acids A and B, bicyclic fatty acids from the jellyfish-derived fungus Paecilomyces variotii J08NF-1

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Paecilonic acids A and B, bicyclic fatty acids from the jellyfish-derived fungus Paecilomyces variotii J08NF-1

Haibo Wang et al. Bioorg Med Chem Lett. .

Abstract

Two new bicyclic fatty acids, paecilonic acids A and B (1 and 2), were isolated from the culture broth of the marine fungus Paecilomyces variotii derived from the jellyfish Nemopilema nomurai. Compounds 1 and 2 share the same molecular formula and possess a 6,8-dioxabicyclo[3.2.1]octane core skeleton. The planar structures of compounds 1 and 2 were established by spectroscopic analysis, which included NMR and ESI-MS/MS. Relative and absolute configurations were determined by analyzing coupling constants, NOESY correlations, and optical rotations.

Keywords: Bicyclic fatty acid; Marine fungus; Paecilomyces variotii; Paecilonic acid.

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