Minor and Trace Sterols from Marine Invertebrates. 50. Stereostructure and Synthesis of Nicasterol, a Novel Cyclopropane-Containing Sponge Sterol

Article abstract of DOI:10.1021/jo00212a004

The isolation, structure elucidation, and partial synthesis of nicasterol, the first naturally occurring sterol of the 23,25-cyclocholesterol type, is described.