title: New triterpene diglycosides from the rhizome of Cimifuga foetida.
abstract: Five new 9,19-cycloartane triterpene diglycosides, which have been named cimiaceroside C (1), and cimifosides A-D (2-5) together with the known compounds cimiracemoside D (6), cimidahurine (7) and alpha-D-glucopyranosyl-l-beta-D-fructofuranoside (8) were isolated from the rhizome of Cimicifuga foetida. The new triterpene diglycosides 1-5 were identified as cimiacerol-3-O-beta-D-xylopyranosyl-(1''-->3')-beta-D-xylopyranoside, 12beta-hydroxycimigenol-3-O-beta-D-xylopyranosyl-(1''-->3')-beta-D-xylopyranoside, 25-Oacetylcimig-enol-3-O-beta-D-xylopyranosyl-(1''-->3')-beta-D-xylopyranoside, 24- acetylhydroshengmanol-3-O-beta-D-xylopyranosyl-(1''-->3')-beta-D-xylopyranoside and 26-deoxyacetylacteol-3-O-beta-D-xylo- pyranosyl-(1''-->3')-beta-D-xylopyranoside, respectively, based on analysis of their spectral data and chemical reactions.
authors.affiliation: State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650204, P. R. China.
authors.forename: Lirong
authors.initials: L
authors.lastname: Sun
authors.forename: Jian
authors.initials: J
authors.lastname: Yan
authors.forename: Yin
authors.initials: Y
authors.lastname: Nian
authors.forename: Lin
authors.initials: L
authors.lastname: Zhou
authors.forename: Hongjie
authors.initials: H
authors.lastname: Zhang
authors.forename: Minghua
authors.initials: M
authors.lastname: Qiu
mesh_terms: D002236:Carbohydrate Conformation; D031885:Cimicifuga / Q000737:chemistry*; D004187:Disaccharides / Q000737:chemistry* / Q000302:isolation & purification*; D006027:Glycosides / Q000737:chemistry / Q000302:isolation & purification; D027343:Rhizome / Q000737:chemistry*; D014315:Triterpenes / Q000737:chemistry* / Q000302:isolation & purification
chemical_list: D004187:Disaccharides; D006027:Glycosides; D014315:Triterpenes
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