title: Triterpenes and saponins from Ilex psammophila.
abstract: Two new saponins were isolated from the leaves of Ilex psammophila. Their structure was established by chemical and spectroscopic methods as 28-O-beta-D-glucopyranosylester of 20(S)-ilexgenin A ([structure: see text]) and 28-O-beta-D-glucopyranosylester of 20(S)-3beta,19alpha,24-trihydroxyurs-12-ene-23, 28-dioic acid ([structure: see text]).
authors.forename: V S
authors.initials: VS
authors.lastname: Pires
authors.forename: G
authors.initials: G
authors.lastname: Gosmann
authors.forename: D
authors.initials: D
authors.lastname: Guillaume
authors.forename: E P
authors.initials: EP
authors.lastname: Schenkel
mesh_terms: D001938:Brazil; D002855:Chromatography, Thin Layer; D006868:Hydrolysis; D030017:Ilex / Q000737:chemistry*; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular; D018515:Plant Leaves / Q000737:chemistry; D012503:Saponins / Q000737:chemistry / Q000302:isolation & purification*; D013237:Stereoisomerism; D014315:Triterpenes / Q000737:chemistry / Q000302:isolation & purification*; D000097245:Ursolic Acid
chemical_list: D012503:Saponins; D014315:Triterpenes; D000097245:Ursolic Acid; C472609:28-O-beta-D-glucopyranosylester of 20(S)-3beta,19alpha,24-trihydroxyurs-12-ene-23, 28-dioic acid; C472608:28-O-beta-D-glucopyranosylester of 20(S)-ilexgenin A