Isolation and Synthesis of Veranamine, an Antidepressant Lead from the Marine Sponge Verongula rigida

Isolation and Synthesis of Veranamine, an Antidepressant Lead from the Marine Sponge Verongula rigida Isolation and Synthesis of Veranamine, an Antidepressant Lead from the Marine Sponge <i>Verongula rigida</i> Verongamine, a Novel Bromotyrosine-Derived Histamine H₃-Antagonist from the Marine Sponge Verongula gigantea Secondary Metabolites from Three Florida Sponges with Antidepressant Activity Secondary Metabolites from Three Florida Sponges with Antidepressant Activity New acetylene based histamine H3 receptor antagonists derived from the marine natural product verongamine Verpacamides A−D, a Sequence of C₁₁N₅Diketopiperazines Relating Cyclo(Pro-Pro) to Cyclo(Pro-Arg), from the Marine Sponge<i>Axinella</i><i>v</i><i>aceleti: </i>Possible Biogenetic Precursors of Pyrrole-2-aminoimidazole Alkaloids Veramine, a novel type of veratrum alkaloid with a 17β-methyl-18-nor-17-iso-spirosolane skeleton Quintaquinone, a Merosesquiterpene from the Yellow Sponge <i>Verongula</i> cf. <i>rigida</i> Esper A New Manzamine Congener from Marine Sponge Amphimedon sp.