Novel bromine-containing constituents of the sponge psammaplysilla purpurea1
Two new dibromotyrosine-derived metabolites (1 and 2) and the known compounds bastadin-6, bastadin-16, purealidin P, purealidin G, and aplysamine-2 and its ammonium salt have been isolated from the sponge Psammaplysilla purpurea. Compounds 1 and 2 were characterized by interpretation of their spectral data.
Venkateswarlu
Y
Natural Products Laboratory, Organic Division-I, Indian Institute of Chemical Technology, Hyderabad-500 007, India.
Venkatesham
U
Rao
MR