Isolation of Psammaplin A 11‘-Sulfate and Bisaprasin 11‘-Sulfate from the Marine Sponge Aplysinella rhax

Isolation of Psammaplin A 11‘-Sulfate and Bisaprasin 11‘-Sulfate from the Marine Sponge Aplysinella rhax Isolation of Psammaplin A 11‘-Sulfate and Bisaprasin 11‘-Sulfate from the Marine Sponge <i>Aplysinella </i><i>r</i><i>hax</i> New Bromotyrosine Metabolites from the Sponge Aplysinella rhax Psammaplin A, a chitinase inhibitor isolated from the fijian marine sponge Aplysinella rhax Isolation and Structure Elucidation of 34-Sulfatobastadin 13, an Inhibitor of the Endothelin A Receptor, from a Marine Sponge of the Genus Ianthella Psammaplysin F, a New Bromotyrosine Derivative from a Sponge, <i>Aplysinella</i> sp. Antiparasitic Activity of Bromotyrosine Alkaloids and New Analogues Isolated from the Fijian Marine Sponge Aplysinella rhax Aplysillamides A and B, new antimicrobial guanidine alkaloids from the Okinawan marine sponge Psammaplysilla purea Novel marine sponge derived amino acids 13. Additional psammaplin derivatives from Psammaplysilla purpurea Psammaplysenes C and D, Cytotoxic Alkaloids from <i>Psammoclemma</i> sp.