title: Two unusual oleanane saponins from Anemone anhuiensis.
abstract: From the rhizomes of Anemone anhuiensis (Ranunculaceae), two new triterpene saponins, anhuienosides A (1) and B (2), were isolated. These compounds are glycosylated at C-23 and their structures were elucidated as hederagenin 23-O-beta-D-glucopyranosyl-(1-->2)-beta-D-glucopyranoside (1) and 23-O-beta-D-glucopyranosyl-(1-->2)-beta-D-glucopyranosyl hederagenin 28-O-alpha-L-rhamnopyranosyl(1-->4)-beta-D-glucopyranosyl(1-->6)-beta-D-glucopyranosyl ester (2) on the basis of chemical and spectral evidence.
authors.forename: W
authors.initials: W
authors.lastname: Ye
authors.forename: Q
authors.initials: Q
authors.lastname: Zhang
authors.forename: G
authors.initials: G
authors.lastname: Pan
authors.forename: S
authors.initials: S
authors.lastname: Zhao
authors.forename: C T
authors.initials: CT
authors.lastname: Che
mesh_terms: D002240:Carbohydrate Sequence; D009682:Magnetic Resonance Spectroscopy; D019684:Magnoliopsida / Q000737:chemistry*; D008969:Molecular Sequence Data; D009828:Oleanolic Acid / Q000031:analogs & derivatives*; D010936:Plant Extracts; D018514:Plant Structures; D012503:Saponins / Q000737:chemistry / Q000302:isolation & purification*; D014315:Triterpenes / Q000737:chemistry*
chemical_list: D010936:Plant Extracts; D012503:Saponins; D014315:Triterpenes; C438927:anhuienoside A; C438928:anhuienoside B; C413246:oleanane; D009828:Oleanolic Acid