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.
|Number of pages||6|
|Journal||Natural Product Communications|
|Publication status||Published - 2008|
- Purine derivatives
- Petrosia nigricans
- structure elucidation
- haplosclerid sponges