Cycloartane Glycosides from Cimicifuga dahurica.

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  • ZHANG Qing-Wen
    Department of Phytochemistry, China Pharmaceutical University
  • YE Wen-Cai
    Department of Phytochemistry, China Pharmaceutical University
  • HSIAO Wendy W.-L.
    Department of Biology, Hong Kong University of Science and Technology
  • ZHAO Shou-Xun
    Department of Phytochemistry, China Pharmaceutical University
  • CHE Chun-Tao
    School of Chinese Medicine, The Chinese University of Hong Kong

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Abstract

A new cycloartane bisdesmoside and two new trinorcycloartane glycosides, along with four known cycloartane compounds, were isolated from the rhizomes of Cimicifuga dahurica (Ranunculaceae). The structures of the new compounds were elucidated as 3-O-α-L-arabinopyranosyl cimigenol 15-O-β-D-glucopyranoside, 24-hydroxy-12β-acetoxy-25,26,27-trinorcycloartan-16,23-dione 3β-O-α-L-arabinopyranoside, and 16α,24α-dihydroxy-12β-acetoxy-25,26,27-trinor-16,24-cyclocycloartan-23-one 3β-O-α-L-arabinopyranoside by extensive NMR methods, FAB-MS, and hydrolysis.

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