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<p>A new lignan, (+)-9′-O-(E)-coumaroyl-5,5′-dimethoxylariciresinol (<b>1</b>), together with two known lignans, (+)-9′-O-(E)-feruloyl-5,5′-dimethoxylariciresinol (<b>2</b>) and syringaresinol (<b>3</b>), were isolated from the ethyl alcohol extract of stems of <i>Vitis thunbergii</i>. Their structures were established by analysis of spectroscopic data, including 1D and 2D NMR and HR-EI-MS, as well as by comparison with the spectral data of known analogs.</p>

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A New Lignan from the Stems of Vitis thunbergii

  • 期刊论文

  • 发表日期：

    2026年6月17日

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  • Hung-Ju Tsai,
  • Chiung-Lin Liu,
  • Chan-Chiung Liu,
  • Chi-I Chang

摘要

A new lignan, (+)-9′-O-(E)-coumaroyl-5,5′-dimethoxylariciresinol (1), together with two known lignans, (+)-9′-O-(E)-feruloyl-5,5′-dimethoxylariciresinol (2) and syringaresinol (3), were isolated from the ethyl alcohol extract of stems of Vitis thunbergii. Their structures were established by analysis of spectroscopic data, including 1D and 2D NMR and HR-EI-MS, as well as by comparison with the spectral data of known analogs.