New bromopyrrole alkaloid from the marine sponge Agelas wiedenmayeri


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massmann [ at ] awi-bremerhaven.de

Abstract

A detailed analysis of the chemical constituents of a specimen of Agelas wiedenmayeri (Alcolado, 1984) was performed. Four brominated alkaloids (1-4) were isolated and one was identified as a new bromopyrrole metabolite. The structure of the new compound, 1, was assigned using spectroscopic methods. Compounds 2 and 3, which are the major brominated metabolites, have been previously described from other Agelas sponges. The new compound, 1, may be a biosynthetic precursor for oroidin-like derivatives.



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ISI/Scopus peer-reviewed
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4294
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Assmann, M. , Lichte, E. , van Soest, R. W. M. and Köck, M. (1999): New bromopyrrole alkaloid from the marine sponge Agelas wiedenmayeri , Organic Letters, 1 .


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