Renieramycin J, a Highly Cytotoxic Tetrahydroisoquinoline Alkaloid, from a Marine Sponge Neopetrosia sp.

Renieramycin J, a Highly Cytotoxic Tetrahydroisoquinoline Alkaloid, from a Marine Sponge <i>Neopetrosia</i> sp. Renieramycin J, a Highly Cytotoxic Tetrahydroisoquinoline Alkaloid, from a Marine Sponge <i>Neopetrosia</i> sp. Renieramycin G, a new alkaloid from the sponge Xestospongia caycedoi Njaoamines G and H, two new cytotoxic polycyclic alkaloids and a tetrahydroquinolone from the marine sponge Neopetrosia sp. Renieramycin g, a new alkaloid from the sponge xestospongia caycedoi Njaoamines A–F, new cytotoxic polycyclic alkaloids from the haplosclerid sponge Reniera sp. Neopetrosiamine A, biologically active bis-piperidine alkaloid from the Caribbean sea sponge Neopetrosia proxima Neopetrosiamine A, biologically active bis-piperidine alkaloid from the Caribbean sea sponge Neopetrosia proxima Chemistry of Renieramycins. 16. Structure of 7-Desmethylrenieramycin O (= 14α-Hydroxyrenieramycin S) from Blue Sponge, Xestospongia sp. Chemistry of Renieramycins. Part 5. Structure Elucidation of Renieramycin-Type Derivatives O, Q, R, and S from Thai Marine Sponge<i>Xestospongia</i>Species Pretreated with Potassium Cyanide