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Four New 9,19-Cyclolanostane Derivatives from the Rhizomes of Cimicifuga yunnanensisHsiao

✍ Scribed by Yin Nian; Jian-Chao Chen; Lu Lu; Xian-Ming Zhang; Lin Zhou; Ming-Hua Qiu

Publisher
John Wiley and Sons
Year
2009
Tongue
German
Weight
208 KB
Volume
92
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

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Four new 9,19‐cyclolanostane‐type triterpenes, 24‐O‐acetyl‐25‐anhydroshengmanol‐3‐O‐β‐D‐xylopyranoside (1), 25‐__O‐__butylcimigenol‐3‐O‐β‐D‐xylopyranoside (2), 12‐__β‐__hydrocimigenol‐3‐one (3), and 12‐__β‐__hydrocimigenol‐1‐en‐3‐one (4), together with 15 known analogues were isolated from the rhizome of Cimicifuga yunnanensis Hsiao. Their structures were determined by spectroscopic and chemical methods.

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Four New Cycloartane (=9,19-Cyclolanosta
Four New Cycloartane (=9,19-Cyclolanostane) Saponins from the Aerial Parts of Thalictrum fortunei
✍ Hui Sun; Xian-Tao Zhang; Lei Wang; Xiao-Qi Zhang; Ying Wang; Si-Bao Chen; Pei-Ge 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 German ⚖ 174 KB

## Abstract The four new cycloartane (=9,19‐cyclolanostane) glycosides **1**–**4** were isolated from the aerial parts of __Thalictrum fortunei__ (Ranunculaceae). The structures of these new glycosides were elucidated as (3__β__,16__β__,24__S__)‐cycloartane‐3,16,24,25,30‐pentol 3,25‐di‐__β__‐D‐gluc