Two new flavonol glycosides from the Tibetan medicinal plant<i>Aconitum tanguticum</i>
作者:Lu Xu、Xiao Zhang、Li-Mei Lin、Chun Li、Zhi-Min Wang、Yong-Ming Luo
DOI:10.1080/10286020.2013.799144
日期:2013.7
Two new flavonol glycosides characterized as quercetin 3-O-α-l-rhamnopyranosyl-(1 → 2)-[β-d-glucopyranosyl-(1 → 3)-α-l-(4-O-trans-p-coumaroylrhamnopyranosyl)-(1 → 6)]-β-d-galactopyranoside-7-O-α-l-rhamnopyranoside (1) and kaempferol 3-O-α-l-rhamnopyranosyl-(1 → 2)-[β-d-glucopyranosyl-(1 → 3)-α-l-(4-O-trans-p-coumaroyl rhamnopyranosyl)-(1 → 6)]-β-d-galactopyranoside-7-O-α-l-rhamnopyranoside (2), together
表征为槲皮素3-O-α- 1-鼠李吡喃糖基- (1→2)-[β- d-吡喃葡萄糖基- (1→3)-α - 1-(4-O-反式-p-香豆酰基鼠李糖吡喃糖基)的两种新黄酮糖苷) - (1→6)] - β- d -galactopyranoside-7-O-α-升-rhamnopyranoside(1)和山奈酚-3-O-α-升-rhamnopyranosyl-(1→2) - [β- d -吡喃葡萄糖基-(1→3)-α - 1-(4-O-反式-对香豆酰基鼠李糖吡喃糖基)-(1→6)]-β- d-吡喃半乳糖苷-7-O-α- 1-鼠李糖吡喃糖苷(2),连同两个已知黄酮醇苷槲皮素3-O-α-升-rhamnopyranosyl-(1→2) - [α-升-rhamnopyranosyl-(1→6)] - β- d -galactopyranoside-7-O-α -升-rhamnopyranoside(3)