New Purine Derivatives from the Marine Sponge Petrosia nigricans

Mohamed Ashour, RuAngelie Edrada-Ebel, Rainer Ebel, Victor Wray, Rob. W. M. van Soest, Peter Proksch

Research output: Contribution to journalArticle

7 Citations (Scopus)


Four new purine analogues (nigricines 1 - 4) have been isolated from the Indonesian marine sponge Petrosia nigricans. The structures were elucidated by extensive 2D-NMR spectroscopic experiments and mass spectrometry.

Original languageEnglish
Pages (from-to)1889-1894
Number of pages6
JournalNatural Product Communications
Issue number11
Publication statusPublished - 2008


  • Purine derivatives
  • nigricines
  • Petrosia nigricans
  • structure elucidation
  • natural-products
  • haplosclerid sponges
  • metabolites
  • alkaloids
  • Weinbergi
  • similis
  • agent


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