title: Minor and trace sterols in marine invertebrates. 61. Isolation and structure elucidation of new A-nor sterols from the marine sponge Phakellia aruensis.
abstract: An examination of the Australian sponge Phakellia aruensis led to the isolation and identification of sterols with six different nuclei. Eight new sterols were isolated which included three delta 15-A-nor sterols, three delta 7-A-nor sterols, and two saturated A-nor sterols. Their structures were established through mass spectrometry and 1H-NMR spectral studies.
authors: Department of Chemistry, Stanford University, CA 94305.
authors: S
authors: S
authors: Malik
authors: C
authors: C
authors: Djerassi
mesh_terms: D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D002775:Cholestadienols / Q000302:isolation & purification; D002777:Cholestanols / Q000302:isolation & purification; D004875:Ergosterol / Q000031:analogs & derivatives / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D009654:Norsteroids / Q000302:isolation & purification*; D011161:Porifera / Q000032:analysis; D013261:Sterols / Q000302:isolation & purification*
chemical_list: D002775:Cholestadienols; D002777:Cholestanols; D009654:Norsteroids; D013261:Sterols; D004875:Ergosterol