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Two new lignans from Saururus chinensis.

Cuibai Li1,2, Ningxin Li1,3, Jiarui Yue2

  • 1a Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden , Chinese Academy of Sciences , Kunming , P.R. China.

Natural Product Research
|March 11, 2017
PubMed
Summary
This summary is machine-generated.

Two new lignans were isolated from Saururus chinensis, along with 15 known derivatives. These compounds were screened for antitumour activity but showed no cytotoxic effects against tested cancer cell lines.

Keywords:
SaururaceaeSaururus chinensisantitumour activitylignans

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Area of Science:

  • Phytochemistry
  • Natural Products Chemistry
  • Pharmacology

Background:

  • Saururus chinensis is a plant known for its traditional medicinal uses.
  • Lignans are a class of phenolic compounds found in plants with diverse biological activities.
  • Investigating the chemical constituents of medicinal plants can lead to the discovery of novel therapeutic agents.

Purpose of the Study:

  • To isolate and characterize new lignan compounds from Saururus chinensis.
  • To evaluate the antitumour potential of isolated lignans and known derivatives.
  • To identify bioactive compounds from Saururus chinensis for potential drug development.

Main Methods:

  • Isolation of compounds using chromatographic techniques.
  • Structure elucidation employing 1D and 2D Nuclear Magnetic Resonance (NMR) spectroscopy and High-Resolution Electrospray Ionization Mass Spectrometry (HREIMS).
  • Cytotoxicity screening using the MTT assay against multiple human cancer cell lines (HL-60, SMMC-7721, A549, MCF-7, SW480).

Main Results:

  • Two novel lignans, (Z)-14-bis(3',4'-dimethoxyphenyl)-2,3-dimethylbut-2-ene-1,4-dione (1) and threo-2-methyl-3-oxo-1-(3',4',5'-trimethoxyphenyl)butyl-3″,4″-dimethoxybenzoate (2), were identified.
  • Fifteen known lignan derivatives (compounds 3-17) were also isolated from the plant extract.
  • Compounds 1, 2, 3, 5, 9-11, and 13-15 demonstrated no significant cytotoxic activity against the tested cancer cell lines.

Conclusions:

  • The study successfully isolated and characterized two new lignans from Saururus chinensis.
  • The isolated lignans and several known derivatives did not exhibit significant antitumour activity in vitro.
  • Further research may be needed to explore other potential biological activities or structural modifications of these lignans.