M. Varoglu et P. Crews, Biosynthetically diverse compounds from a saltwater culture of sponge-derived Aspergillus niger, J NAT PROD, 63(1), 2000, pp. 41-43
The new compound, asperic acid (1), and the known compounds hexylitaconic a
cid (2), malformin C (3), pyrophen (4), and asperazine (5) were isolated fr
om the:saltwater culture of Aspergillus niger derived from a Caribbean spon
ge, Hyrtios proteus. The structure elucidation of asperic acid is presented
.