title: Spirocyclic nortriterpenes from the bulbs of Veltheimia viridifolia.
abstract: A new spirocyclic nortriterpene, 22-acetoxy-15-deoxo-eucosterol, was isolated together with a corresponding pentaglycoside from the bulbs of Veltheimia viridifolia. The structures of the isolated compounds were elucidated by spectroscopic methods including 1D- and 2D-1H NMR, 13C NMR, 1D-INEPT, 1D- and 2D-TOCSY, HSQC, HMBC, ROESY experiments, FAB- and HRESI-mass spectrometry.
authors.affiliation: Lehrstuhl für Pharmazeutische Chemie der Universität Freiburg, Germany.
authors.forename: G
authors.initials: G
authors.lastname: Amschler
authors.forename: A W
authors.initials: AW
authors.lastname: Frahm
authors.forename: D
authors.initials: D
authors.lastname: Müller-Doblies
authors.forename: U
authors.initials: U
authors.lastname: Müller-Doblies
mesh_terms: D002240:Carbohydrate Sequence; D006027:Glycosides / Q000737:chemistry* / Q000302:isolation & purification; D013058:Mass Spectrometry; D008969:Molecular Sequence Data; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular; D018517:Plant Roots / Q000737:chemistry; D010944:Plants / Q000737:chemistry*; D016339:Spectrometry, Mass, Fast Atom Bombardment; D014315:Triterpenes / Q000737:chemistry* / Q000302:isolation & purification
chemical_list: C110240:22-acetoxy-15-deoxoeucosterol; D006027:Glycosides; D014315:Triterpenes