李楚然, 李娜, 刘云, 等. 樟叶越桔叶2个新6−−咖啡酰葡萄糖苷的分离鉴定[J]. 西南林业大学学报（自然科学）, 2022, 42(4): 141–146 . DOI: 10.11929/j.swfu.202012053
引用本文: 李楚然, 李娜, 刘云, 等. 樟叶越桔叶2个新6−−咖啡酰葡萄糖苷的分离鉴定[J]. 西南林业大学学报（自然科学）, 2022, 42(4): 141–146 . DOI: 10.11929/j.swfu.202012053
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Li Churan, Li Na, Liu Yun, Yang Xiaoqin, Zhang Yingjun, Liu Huimin, Zhao Ping. Isolation and Identification of 2 New 6−O−caffeoylglucosides from the Leaves of Vaccinium dunalianum[J]. Journal of Southwest Forestry University, 2022, 42(4): 141-146. DOI: 10.11929/j.swfu.202012053
Citation: Li Churan, Li Na, Liu Yun, Yang Xiaoqin, Zhang Yingjun, Liu Huimin, Zhao Ping. Isolation and Identification of 2 New 6−O−caffeoylglucosides from the Leaves of Vaccinium dunalianum[J]. Journal of Southwest Forestry University, 2022, 42(4): 141-146. DOI: 10.11929/j.swfu.202012053
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樟叶越桔叶2个新6−O−咖啡酰葡萄糖苷的分离鉴定

Isolation and Identification of 2 New 6−O−caffeoylglucosides from the Leaves of Vaccinium dunalianum

    摘要
  • 摘要: 为进一步挖掘樟叶越桔叶中的化学成分，采用硅胶、葡聚糖凝胶LH−20、Diaion HP20等多种柱层析方法，从其叶的80%甲醇提取物中分离得到2个新的6−O−咖啡酰葡萄糖苷，分别命名为樟叶越桔苷K（dunalianoside K，1）和樟叶越桔苷L（dunalianoside L，2），它们的化学结构通过HRMS、1H NMR、13C NMR、HSQC、HMBC和COSY等波谱分析得到确定。

     

    Abstract: To further investigate the chemical constituent of leaves in Vaccinium dunalianum, 2 new 6−O−caffeoylglucosides, named dunalianosides K(1) and L(2) were isolated from the 80% aqueous methanol extract of the leaves of V. dunalianum, by using various column chromatographic methods including silica gel, Sephadex LH−20, Diaion HP20, and etc. Their structures were elucidated by extensive 1H NMR, 13C NMR, HSQC, HMBC, COSY and HRMS spectroscopic analyses.

     

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