Nepheliosyne B, a New Polyacetylenic Acid from the New Caledonian Marine Sponge Niphates sp

Abstract

A new C47 polyoxygenated acetylenic acid, nepheliosyne B (2), along with the previously described nepheliosyne A (1), have been isolated from the New Caledonian marine sponge Niphates sp. Their structures have been elucidated on the basis of extensive spectroscopic analyses. These metabolites exhibited a moderate cytotoxicity against K562, U266, SKM1, and… (More)
DOI: 10.3390/md11072282

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