【摘要】 目的:研究直立白薇的化学成分。方法:利用色谱技术进行分离和纯化,并通过现代光谱方法鉴定其化学结构。结果:分离得到12个化合物,并鉴定了其中的9个,分别为2,4-二羟基苯乙酮(1),2,6-二羟基苯乙酮(2),4-羟基苯甲醇(3),苯甲酸(4),β-香树素乙酸酯(5),棕榈酸(6),β-谷甾醇(7),β-胡萝卜苷(8),白前苷元C-3- O-α-D-吡喃夹竹桃糖基-(1→4)-β-D-吡喃洋地黄毒糖基-(1→4)-α-D-吡喃夹竹桃糖苷(9)。结论:化合物2～8为首次从该植物中分得。更多还原

【Abstract】 Objective:To study the chemical constituents from the roots and rhizome of Cynanchum atratum.Method:The chemical constituents were isolated and repeatedly purified by silica gel chromatography and the structures were elucidated by the NMR spectra and physicochemical properties.Result:Twelve compounds were obtained and nine of them were identified as 2,4-dihy- roxyacetophe none(1),2,6-dihyroxyacetophenone(2),4-hydroxybenzenemethanol(3),benzoic acid(4),β-amyrin acetate(5), palmitic acid(6),β-sitosterol(7),β-daucosterol(8),glaucogenin C-3-O-α-D-oleandropyranosyl-(1→4)-β-D-digitoxopyranosyl-(1→4)-α-D-oleandropyranoside(9).Contusion:Seven compounds were obtained from C.atratum for the first time.更多还原