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New triterpene diglycosides from the rhizome of Cimifuga foetida
Lirong Sun1, Jian Yan, Yin Nian
1State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650204, P. R. China.
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.
