P. Ciminiello et al., CHEMISTRY OF VERONGIDA SPONGES .3. CONSTITUENTS OF A CARIBBEAN VERONGULA SP, Journal of natural products, 57(11), 1994, pp. 1564-1569
A detailed analysis of the secondary metabolites of a sponge, Verongul
a sp., has been performed. Eleven compounds have been identified, of w
hich two (10a and 11) are novel bromotyrosine derivatives. Structural
assignments of the brominated compounds 10a and 11 were based on spect
roscopic analysis.