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首页> 外文期刊>Natural product communications >Phenolic compounds, including novel c-glycosylflavone, from the flowers of the tall bearded iris cultivar 'victoria falls'
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Phenolic compounds, including novel c-glycosylflavone, from the flowers of the tall bearded iris cultivar 'victoria falls'

机译:高胡须虹膜品种“维多利亚瀑布”的花朵中的酚类化合物,包括新型的c-糖基黄酮

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摘要

A new C-glycosylflavone, luteolin 7-methyl ether 6-C-[β- arabinopyranosyl-(1→2)-β-glucopyranoside] (swertiajaponin 2'-O-arabinoside) (1) was isolated and identified from the violet blue colored flowers of the tall bearded iris (Iris hybrid) cultivar "Victoria Falls", together with five known flavonoids, swertisin 2'-O-arabinoside (2), schaftoside (3), isoschaftoside (4), swertiajaponin (5), swertisin 2'-O-glucoside (6) and a C-glycosylxanthone, mangiferin (7). Of these compounds, 1 and 2 were elucidated from NMR spectroscopic data, which revealed the rotameric pairs. C-Glycosylflavone O-arabinosides were isolated from the genus Iris for the first time.
机译:分离并鉴定了一种新的C-糖基黄酮,木犀草素7-甲醚6-C- [β-阿拉伯吡喃糖基-(1→2)-β-吡喃葡萄糖苷](swertiajaponin 2'-O-阿拉伯糖苷)(1)高胡须虹膜(鸢尾杂交)品种“ Victoria Falls”的彩色花,以及五个已知的类黄酮,stertisin 2'-O-阿拉伯糖苷(2),schaftoside(3),isoschaftoside(4),swertiajaponin(5),swertisin 2'-O-葡萄糖苷(6)和C-糖基黄酮,芒果苷(7)。从NMR光谱数据中阐明了这些化合物中的1和2,揭示了旋转异构体对。首次从鸢尾属中分离出C-糖基黄酮O-阿拉伯糖苷。

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