New purine derivatives from the marine sponge Petrosia nigricans

Authors
  • M. Ashour
  • R. Edrada-Ebel
  • R. Ebel
  • V. Wray
Publication date 2008
Journal Natural Product Communications
Volume | Issue number 3 | 11
Pages (from-to) 1889-1894
Organisations
  • Faculty of Science (FNWI)
Abstract 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.
Document type Article
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