Studies on Chemical Constituents of Rheum glabricaule Sam.(Ⅱ)

WEI Yu-hui;WU Xin-n;ZHNG Cheng-zhong;LI Chong;SONG Long

Chinese Pharmaceutical Journal ›› 2006, Vol. 41 ›› Issue (04) : 253-254.

Chinese Pharmaceutical Journal ›› 2006, Vol. 41 ›› Issue (04) : 253-254.
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Studies on Chemical Constituents of Rheum glabricaule Sam.(Ⅱ)

  • WEI Yu-hui1, WU Xin-an1,ZHANG Cheng-zhong2,LI Chong2,SONG Long3
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Abstract

OBJECTIVE To study the chemical constituents in the root of Rheum glabricaule.METHODS Compounds were isolated by various column chromatographies with silica gel.Their structures were elucidated by spectral analysis(MS,1H-NMR,13C-NMR) and chemical evidence.RESULTS Five compounds were isolated from this plant,and identified as dibutyl phthalate(Ⅰ),emodin-8-O-β-D-glucopyranoside(Ⅱ),aloe-emodin-3-(hydroxymethyl)-O-β-D-glucopyranoside(Ⅲ),β-sitosterol-3-O-β-D-(6′-O-acyl)-glucopyranoside(Ⅳ) and kaempferol(Ⅴ),respectively.CONCLUSION All above compounds are obtained from this plant for the first time.

Key words

Polygonaceae / Rheum glabricaule Sam. / chemical constituents

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WEI Yu-hui;WU Xin-n;ZHNG Cheng-zhong;LI Chong;SONG Long. Studies on Chemical Constituents of Rheum glabricaule Sam.(Ⅱ) [J]. Chinese Pharmaceutical Journal, 2006, 41(04): 253-254

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