Aplysillamides A and B, new antimicrobial guanidine alkaloids from the Okinawan marine sponge Psammaplysilla purea

Article abstract of DOI:10.1016/0040-4020(95)00121-N

Two new guanidine alkaloids, aplysillamides A (1) and B (2), with antimicrobial activity have been isolated from the Okinawan marine sponge Psammaplysilla purea and the structures elucidated on the basis of spectroscopic data. The absolute stereochemistry