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首页> 外文期刊>Archives of Pharmacal Research >A new flavonol glycoside from Hylomecon vernalis
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A new flavonol glycoside from Hylomecon vernalis

机译:Hylomecon vernalis的一种新黄酮醇苷

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摘要

Purification of a MeOH extract from the aerial parts of Hylomecon vernalis Maxim. (Papaveraceae) using column chromatography furnished a new acetylated flavonol glycoside (1), together with twenty known phenolic compounds (2–21). Structural elucidation of 1 was based on 1D- and 2D-NMR spectroscopy data analysis to be quercetin 3-O-[4‴-O-acetyl-α-L-arabinopyranosyl]-(1‴→6″)-β-D-galactopyranoside (1). The structures of compounds 2–21 were elucidated by spectroscopy and confirmed by comparison with reported data; quercetin 3-O-[2‴-O-acetyl-α-L-arabinopyranosyl]-(1‴→6″)-β -D-galactopyranoside (2), quercetin 3-O-α-L-arabinopyranosyl-(1‴→6″)-β-D-galactopyranoside (3), quercetin 3-O-β -D-galactopyranoside (4), kaempferol 3,7-O-α-L-dirhamnopyranoside (5), diosmetin 7-O-β -D-glucopyranoside (6), diosmetin 7-O-β -D-xylopyranosyl-(1‴→6″)-β-D-glucopyranoside (7), p-hydroxybenzoic acid (8), protocatechuic acid (9), caffeic acid (10), 6-hydroxy-3,4-dihydro-1-oxo-β -carboline (11), (Z)-3-hexenyl-β -D-glucopyranoside (12), (E)-2-hexenyl-β -D-glucopyranoside (13), (Z)-3-hexenyl-α-Larabinopyranosyl-(1″→6′)-β-D-glucopyranoside (14), oct-1-en-3-yl-α-L-arabinopyranosyl-(1″→6′)-β-D-glucopyranoside (15), benzyl-β-D-apiofuranosyl-(1″→6′)-β-D-glucopyranoside (16), benzyl-α-L-arabinopyranosyl-(1″→6′)-β-D-glucopyranoside (17), benzyl-β-D-xylopyranosyl-(1″→6′)-β-Dglucopyranoside (18), 2-phenylethyl-α-L-arabinopyranosyl-(1″→6′)-β-D-glucopyranoside (19), 2-phenylethyl-β-D-apiofuranosyl-(1″→6′)-β-D-glucopyranoside (20), and aryl-β-D-glucopyranoside (21). Compounds 2-21 were isolated for the first time from this plant. The isolated compounds were tested for cytotoxicity against four human tumor cell lines in vitro using a Sulforhodamin B bioassay.
机译:从Hylomecon vernalis Maxim的空中部分提纯的MeOH提取物。 (罂粟科)使用柱色谱法提供了新的乙酰化黄酮醇苷(1),以及二十种已知的酚类化合物(2-21)。 1的结构解析基于1D-NMR和2D-NMR光谱数据分析,为槲皮素3-O- [4‴-O-乙酰基-α-L-阿拉伯吡喃糖基]-(1‴→6″)-β-D-半乳糖吡喃糖苷(1)。用光谱法阐明了化合物2-21的结构,并与报道的数据进行了比较证实。槲皮素3-O- [2‴-O-乙酰基-α-L-阿拉伯吡喃糖基]-(1‴→6″)-β-D-吡喃半乳糖苷(2),槲皮素3-O-α-L-阿拉伯吡喃糖基-(1 ‴→6″)-β-D-吡喃半乳糖苷(3),槲皮素3-O-β-D-吡喃半乳糖苷(4),山emp酚3,7-O-α-L-地拉莫吡喃糖苷(5),薯os皂素7-O- β-D-吡喃葡萄糖苷(6),薯os皂素7-O-β-D-吡喃吡喃糖基-(1‴→6″)-β-D-吡喃葡萄糖苷(7),对羟基苯甲酸(8),原儿茶酸(9) ,咖啡酸(10),6-羟基-3,4-二氢-1-氧代-β-咔啉(11),(Z)-3-己烯基-β-D-吡喃葡萄糖苷(12),(E)-2 -己烯基-β-D-吡喃葡萄糖苷(13),(Z)-3-己烯基-α-Larabinopyranosyl-(1″→6′)-β-D-吡喃葡萄糖苷(14),辛-1-烯-3-基-α-L-阿拉伯吡喃糖基-(1″→6′)-β-D-吡喃葡萄糖苷(15),苄基-β-D-吡喃呋喃糖基-(1″→6′)-β-D-吡喃葡糖苷(16),苄基-α-L-阿拉伯吡喃喃糖基-(1″→6′)-β-D-吡喃葡萄糖苷(17),苄基-β-D-吡喃吡喃糖基-(1″→6′)-β-吡喃吡喃糖苷(18),2-苯乙基-α-L-阿拉伯吡喃喃糖基-(1″→6′)-β-D-吡喃葡萄糖苷(19),2-苯乙基-β-D-吡喃呋喃糖基-(1″→6′)-β-D-吡喃葡萄糖苷(20) , 一个芳基-β-D-吡喃葡萄糖苷(21)。首次从该植物中分离出化合物2-21。使用Sulforhodamin B生物测定法在体外测试了分离的化合物对四种人类肿瘤细胞系的细胞毒性。

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