Two new C22 1,2-dioxane polyketides from the marine sponge Acarnus cf. bergquistae.
作者： Tesfamariam Yosief , Amira Rudi , Yisak Wolde-ab , Yoel Kashman
DOI: 10.1021/NP970407Q
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摘要: Two new cyclic peroxide-containing polyketide C22 methyl esters, peroxyacarnoic acid esters A and B, 1 2, have been isolated from the Red Sea marine sponge Acarnus cf. bergquistae. Both 2 are proposed to contain a single 1,2-dioxane ring, an eneyne functionality, terminal double bond or triple bond, respectively. The structures were elucidated mainly through 1D 2D NMR spectral analysis.
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