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High-resolution Tandem Mass Spectrometry for Studying Chemical Constituents of Gynura bicolor DC
Published on: February 2, 2024
Total synthesis of baicalein.
Duo-Zhi Chen1, Jian Yang, Bo Yang
1Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China.
Journal of Asian Natural Products Research
|April 15, 2010
Summary
This study presents a novel and simple synthesis for baicalein, a key flavonoid. The method also achieves the new synthesis of helilandin B and an improved demethylation process.
Area of Science:
- Organic Chemistry
- Natural Product Synthesis
Background:
- Baicalein is a significant flavonoid with various biological activities.
- Existing synthesis routes for baicalein and related compounds can be complex or inefficient.
Purpose of the Study:
- To develop a simple and novel synthetic pathway for baicalein.
- To introduce a new method for synthesizing helilandin B.
- To establish an alternative demethylation strategy.
Main Methods:
- A multi-step organic synthesis approach was employed.
- Key steps included the novel construction of the helilandin B intermediate.
- A distinct demethylation technique was utilized to obtain the final product.
Main Results:
- A straightforward and novel synthesis of baicalein was successfully achieved.
- The synthesis of helilandin B was accomplished through a new route.
- An overall yield of 59% for baicalein was obtained, deemed acceptable.
Conclusions:
- The described method offers a simple and effective route to baicalein.
- This work contributes a novel synthesis for helilandin B.
- The developed demethylation approach provides an alternative for flavonoid synthesis.
