毛冬青中木脂素类化学成分的分离与鉴定
Journal of Shenyang Pharmaceutical University(2017)
Abstract
目的 研究毛冬青中木质素类化学成分.方法 采用硅胶柱色谱法、ODS柱色谱法、Sephedax LH-20柱色谱法、薄层色谱法及高效液相色谱法等方法对毛冬青体积分数70%乙醇提取物进行分离纯化,并根据理化性质及波谱数据鉴定分离得到化合物.结果 分离得到10个木脂素类化合物,经鉴定分别为(7R,7'R,7"R,8S,8'S,8"S)4',4"-dihydroxy-3,3',3",5-tetramethoxy-7,9':7',9-diep-oxy-4,8"-oxy-8,8'-sesquineolignan-7",9"-diol(1)、erythro-(7S,8R)-1-(4-hydroxy-3-methoxyphenyl)-2-{4-[(E)-3-hydroxy-1-propenyl]-2-methoxyphe-noxy}-1,3-propanediol(2)、erythro-(7R,8S)-1-(4-hydroxy-3-methoxyphenyl)-2-{4-[(E)-3-hydroxy-l-propenyl]-2-methoxyphe-noxy }-1,3-propanediol(3)、erythro-(7R,8S)-guaiacylglycerol-β-coniferyl aldehyde ether(4)、erythro-(7S,8R)-guaiacylglyc-erol-β-coniferyl aldehyde ether(5)、Vladinol D(6)、7S,8R-dihydrodehydroconiferyl alcohol (7)、(-)-丁香酯素[(-)-syringaresinol,8]、(-)-杜仲树脂酚[(-)-medioresinol,9]、(+)-环橄榄树脂素[(+)-cyclo-olivil,10].结论 化合物1~7为首次从冬青属植物中分离得到.
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Key words
Ilex pubescens Hook.Et Arn.,lignans,structure identification
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