Tn. Makarieva et al., ISOLATION OF (24R)-24,25-METHYLENE-5-ALPHA-CHOLESTAN-3-BETA-OL, A NEWCYCLOPROPANE-CONTAINING SPONGE STEROL, Journal of chemical research. Synopses, (10), 1996, pp. 468-469
A new cyclopropane-containing sterol, (24R)-24,25-methylene-5 alpha-ch
olestan-3 beta-ol has been isolated from the sponge Rhizochalina incru
stata and its structure determined by interpretation of spectral data
and chemical transformations.