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[摘要]
中药黄花远志 Polygalaarillata Buch. -Ham.远志科远志属植物,为落叶灌木或小乔木,分布于西南、华东、陕西、湖北等地。其根具有祛风除湿,补虚消肿,调经活血等功效。我们对采自云南省文山县黄花远志的皂苷成分进行了研究,从甲醇提取物中分得7个单体三萜皂昔,经波谱和文献分析确定了它们的结构,其中有6个新三萜皂苷并命名为 arillosideA∼F。
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[Abstract]
Six new oleanane-type saponins,arilloside A-F(I-Vl),along with a known saponin, polygalasaponin X X X V(VII),were isolated from the root of Polygala arillata Buch. -Ham. The structures of these new compounds were elucidated as 3-D-β-D-glucopyranosyl presenegenin 28-O-β-D-xylopyranosyl (1→4)-α-L-rhamnopyranosyl (1→2)-(3, 4-di-O-acetyl)-β-D-fucopyranoside(I);3-O-β-D-glucopyranosyl pre-senegenin 28-O-β-D-xylopyranosyl (1 →3 )-β-D-xylopyranosyl (1→4)-α-L-rhamnopyranosyl(1→2 )-β-D-fu-copyranoside(II),3-O-β-D-glucopyranosyl presenegenin 28-O-β-D-xylopyranosyl (1→3)-β-D-xylopyranosyl (1→4 )-α-L-rhamnopyranosyl (1→2)-(3,4-di-O-acetyl )-β-D-fucopyranoside(III);3-O-β-D-glucopyranosyl Presenegenin 28-O-β-D-xylopyranosyl (1→3)-[β-D-galactopyranosyl(1→4 )-(3-D-β-D-xylopyranosyl(1→4)-α-L-rhamnopyranosyl (1→2)-α-D-fucopyranoside(N);3-O-β-D-glucopyranosyl presenegenin 28-0-β-D-xylopyranosyl (1→3)-[(3-D-galactopyranosyl (1→4)-β-D-xylopyranosyl (1→4)-α-L-rhamnopyranosyl (1→2)-(3-O-acetyl )-β-D-fucopyranoside(V)and 3-0-(3-D-glucopyranosyl presenegenin 28-O-β-D-xylopyranosyl (1→3)-[β-D-galactopyranosyl (1→4)-β-D-xylopyranosyl (1→4)-α-L-rhamnopyranosyl (1→2)-(3,4-di-O-acetyl )-(3-D-glucopyranoside)on the basis of spectroscopic and chemical methods.
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