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Benzofuran derivatives from Eupatorium fortunei.

Hai Xia Jiang¹, Quan Liu, Kun Gao

¹Lanzhou University, State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou 730000, PR China.

Natural Product Research

|July 17, 2008

Summary

Researchers isolated and identified two benzofuranol epimers and a benzofuran glucoside from Eupatorium fortunei. These compounds, including specific stereoisomers, were characterized using spectral analysis and chemical methods.

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Area of Science:

Natural Product Chemistry
Phytochemistry
Organic Chemistry

Background:

Eupatorium fortunei is a traditional Chinese medicine with a history of use in various remedies.
The chemical constituents of Eupatorium fortunei are not fully elucidated, necessitating further investigation.

Purpose of the Study:

To isolate and structurally characterize chemical compounds from Eupatorium fortunei.
To elucidate the stereochemistry of the isolated benzofuran derivatives.

Main Methods:

Isolation of compounds using chromatographic techniques.
Structure elucidation via comprehensive spectral analysis (NMR, MS, etc.).
Determination of relative stereochemistry through chemical transformations and spectral data.

Main Results:

Two epimers of 3,6-dimethyl-2,3-dihydrobenzofuran-2-ol were isolated.
A 3,6-dimethyl-2,3-dihydrobenzofuran 2-O-beta-D-glucopyranoside was identified.
The specific stereochemistry for each compound was determined, including 2alpha-ol and 2beta-ol configurations.

Conclusions:

The study successfully identified novel benzofuran derivatives from Eupatorium fortunei.
The findings contribute to the understanding of the phytochemical profile of this traditional medicinal plant.