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3-Epi-aplykurodinone B, a new degraded sterol from Aplysia fasciata
1Departamento de Química Orgánica, Facultad de Ciencias del Mar, Universidad de Cádiz, Spain.
Journal of Natural Products
|May 1, 1997
Abstract:
The anaspidean mollusk Aplysia fasciata from Río San Pedro (Cádiz, Spain) contains the known degraded sterols aplykurodinone B (2) and aplykurodin B (4) together with the new 3-epi-aplykurodinone B (5). The structure of 5 was elucidated by interpretation of spectral data, and its relative stereochemistry was established using NOEDS experiments. The new compound 5 exhibited cytotoxicity against four tumor cell lines.