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作 者:任秀华[1] 杜光[1] 周冰峰 宗凯[1] 马宝瑕[1]
机构地区:[1]华中科技大学同济医学院附属同济医院药学部,武汉430030 [2]浙江京新药业股份有限公司,新昌310000
出 处:《化学学报》2007年第14期1399-1402,共4页Acta Chimica Sinica
摘 要:研究了穿心莲中抗血栓的活性成分.应用AB-8大孔吸附树脂、聚酰胺柱色谱及薄层色谱进行分离,应用波谱学(1HNMR,13CNMR,DQFCOSY,TOCSY,HMQC,HMBC,NOESY等)方法进行结构鉴定.分离得到两个黄酮苷类化合物,确定了1HNMR,13CNMR信号的全归属.化合物1鉴定为5,4'-二羟基-7-甲氧基黄酮-6-O-β-D-葡萄糖苷,化合物2鉴定为5,4'-二羟基-7-甲氧基黄酮-8-O-β-D-葡萄糖苷,化合物1为首次从该植物中分得,首次对两个化合物的碳谱和氢谱进行了全归属.To study the bioactive constituents from Andrographis paniculata, two compounds were isolated and purified by column chromatography on AB-8 macroporous adsorption resin and polyamide. The structures were determined by various spectroscopic data, including UV, FABMS, ^1H NMR, ^13C NMR, DQFCOSY, TOCSY, HMQC, HMBC and NOESY. The ^1H NMR and ^13C NMR signals of these two compounds were assigned. The structures of these two compounds were elucidated as 5,4'-dihydroxy-7-methoxyflavon-6-yl-β-D-pyranoglucoside and 5,4'-dihydroxy-7-methoxyflavon-8-yl-β-D-pyranoglucoside, respectively.
关 键 词:穿心莲 5 4'-二羟基-7-甲氧基黄酮-6-O-β-D-葡萄糖苷 5 4'-二羟基-7-甲氧基黄酮-8-O-β-D-葡萄糖苷 核磁共振 结构分析
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