A manzamine related alkaloid, zamamiphidin A (1), consisting of a new heptacyclic ring system has been isolated from an Okinawan marine sponge Amphimedon sp. The structure of 1 including the relative stereochemistry was elucidated on the basis of the spectroscopic data. Compound 1 showed antibacterial activity against Staphylococcus aureus (MIC, 32 μg/mL).
ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Organic Chemistry