Lamellarins Q and R: New Aromatic Metabolites From an Australian Marine Sponge, <i>Dendrilla cactos</i>

Abstract

A specimen of Dendrilla cactos collected off the coast of New South Wales, Australia, has yielded two new alkaloids, lamellarins Q (19) and R (20), the structures of which were secured by spectroscopic analysis and by chemical derivatization.