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A new chromone from Angelica polymorpha with cytotoxic activity
Shang-Jun Yang1, Qing-Qiang Yao, Ye-Na Li
1Key Laboratory of Rare and Uncommon Diseases, Institute of Materia Medica, Shandong Academy of Medical Sciences, Ji'nan 250062, China. yangsj118@tom.com
Journal of Asian Natural Products Research
|January 24, 2012
Summary
A novel chromone, polymorchromone B, was identified from Angelica polymorpha roots. This compound demonstrated significant cytotoxic activity against A-549 lung cancer cell lines.
Area of Science:
- Natural Product Chemistry
- Pharmacognosy
- Medicinal Chemistry
Background:
- Angelica polymorpha Maxim is a traditional Chinese medicine with various therapeutic uses.
- Chromones are a class of compounds known for their diverse biological activities.
- The chemical constituents of A. polymorpha roots are not fully explored.
Purpose of the Study:
- To isolate and characterize new chemical compounds from Angelica polymorpha roots.
- To elucidate the structure of a novel chromone derivative.
- To evaluate the cytotoxic potential of the isolated compound.
Main Methods:
- Spectroscopic analysis including IR, HR-ESI-MS, 1D and 2D NMR.
- Hydrolysis and chromatographic analysis for structural confirmation.
- In vitro cytotoxic activity assay against A-549 cell lines.
Main Results:
- A new chromone, named polymorchromone B, was successfully isolated.
- The structure was elucidated as 5-hydroxy-2-[(angeloyloxy)methyl]-2'-(dimethyl)-3'-(2S,3S-epoxy-2-methylbutanoate)-dihydropyran [3',2':6,7]chromone.
- Polymorchromone B exhibited significant cytotoxic effects on A-549 lung cancer cells.
Conclusions:
- Polymorchromone B is a novel chromone isolated from Angelica polymorpha.
- The compound possesses notable cytotoxic activity, suggesting potential as an anti-cancer agent.
- Further research into its mechanism of action and therapeutic applications is warranted.