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Brominated polyunsaturated lipids and their stereochemistry from the Chinese marine sponge Xestospongia testudinaria

2010; Elsevier BV; Volume: 67; Issue: 1 Linguagem: Inglês

10.1016/j.tet.2010.11.045

1464-5416

Wei Jiang, Dong Liu, Zhiwei Deng, Nicole J. de Voogd, Peter Proksch, Wenhan Lin,

Marine Toxins and Detection Methods

Chemical examination of the Chinese marine sponge Xestospongia testudinaria led to the isolation of 39 new brominated polyunsaturated compounds, which were designated with the trivial names xestospongienes A–Z and Z1–Z13. The structures of these compounds were elucidated by analyzing extensive spectroscopic (IR, MS, 1D, and 2D NMR) data and the results from CD spectral assignment, chemical conversion, and Mosher reaction.