Wf. Tinto et al., GEODIAMOLIDE-H AND GEODIAMOLIDE-I, FURTHER CYCLODEPSIPEPTIDES FROM THE MARINE SPONGE GEODIA SP, Tetrahedron, 54(18), 1998, pp. 4451-4458
Two new cyclodepsipeptides, geodiamolide H (3) and I (4), were isolate
d from the marine sponge Geodia sp. The structures of 3 and 4 were det
ermined by 2D NMR spectroscopy while the absolute stereochemistry of 4
was established by X-ray crystallography. Geodiamolide H 3 was cytoto
xic to some human cancer cell lines. (C) 1998 Elsevier Science Ltd. Al
l rights reserved.