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Updated: Jun 4, 2026

A Direct, Early Stage Guanidinylation Protocol for the Synthesis of Complex Aminoguanidine-containing Natural Products
Published on: September 9, 2016
Total synthesis of citridone A
Tomoko Miyagawa1, Keisuke Nagai, Asami Yamada
1School of Pharmacy, Kitasato University, Tokyo, Japan.
Researchers achieved the first total synthesis of citridone A. Key reactions included regioselective intramolecular iodocyclization and stereoselective palladium-catalyzed coupling.
Area of Science:
- Organic Chemistry
- Synthetic Chemistry
Background:
- Citridone A is a natural product with potential biological activity.
- The total synthesis of complex natural products is a significant challenge in organic chemistry.
Purpose of the Study:
- To report the first total synthesis of citridone A.
- To develop efficient and selective synthetic methodologies.
Main Methods:
- Regioselective intramolecular iodocyclization.
- Regio- and stereoselective palladium(0)-catalyzed coupling.
- Multi-step synthesis of complex organic molecules.
Main Results:
- Successful completion of the first total synthesis of citridone A.
- Demonstration of the utility of key synthetic steps for complex molecule construction.
Conclusions:
- The developed synthetic route provides access to citridone A.
- The key reactions employed are valuable tools for organic synthesis.
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