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Chemical constituents of Paeonia veitchii

WU Shao-hua, CHEN You-wei, YANG Li-yuan, LI Shao-lan, LI Zhi-ying(Yunnan Institute of Microbiology, Yunnan University, Kunming 650091, China)  
Objective To study the chemical constituents of Paeonia veitchii. Methods Isolation and purification were carried out on repeated silica gel column chromatography. The structures of the compounds were identified by physico-chemical properties and spectral analyses. Results Nine compounds were isolated and identified as paeoniflorin (Ⅰ), hydroxypaeoniflorin (Ⅱ), benzoylpaeoniflorin (Ⅲ), benzoylhydroxypaeoniflorin (Ⅳ), albiflorin (Ⅴ), paeonisothujone (Ⅵ), mudanpinoic acid A (Ⅶ), 2-hydroxybenzyl alcohol (Ⅷ), bis (2-hydroxybenzyl) ether (Ⅸ). Conclusion Compound Ⅸ is obtained from natural products for the first time. Compounds Ⅳ, Ⅵ-Ⅸ are isolated from this plant for the first time.
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