BROMOTYROSINE DERIVATIVES FROM THE MARINE SPONGE SUBEREA AFF. PRAETENSA

Authors

  • ANAKE KIJJOA

Abstract

Ethyl acetate extracts of the samples of Suberea aff. praetensa, collected in different dates but at the same locality in the Gulf of Thailand, furnished, besides clionasterol, fourteen tyrosine derived metabolites: fistularin-3; agelorins A and B; cavernicolin 1; cavernicolin 2; 5chlorocavernicolin; 5-bromocavernicolin; 3,5-dibromo-1-hydroxy-4-oxo-2,5-cyclohexadiene1-acetamide; 3,5-dibromo-4-hydroxyphenylacetamide; bis-oxazolidone derivative as well as the new compounds 11,17-dideoxyagelorins A and B and subereatensin.

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Published

2018-05-23