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Updated: Jul 6, 2026

A Microwave-Assisted Direct Heteroarylation of Ketones Using Transition Metal Catalysis
Published on: February 16, 2020
Iron-catalyzed direct arylation through directed C-H bond activation
Jakob Norinder1, Arimasa Matsumoto, Naohiko Yoshikai
1Department of Chemistry, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan.
This study introduces an iron-catalyzed reaction for forming carbon-carbon bonds using nitrogen-containing aromatics and arylzinc reagents. Key additives are crucial for achieving high yields in this C-H activation process.
Area of Science:
- Organic Chemistry
- Catalysis
Background:
- C-C bond formation is fundamental in organic synthesis.
- Directed C-H activation offers efficient synthetic routes.
Purpose of the Study:
- To develop an iron-catalyzed C-C bond formation reaction.
- To utilize directed C-H activation for synthesis.
Main Methods:
- Iron-catalyzed coupling of nitrogen-containing aromatics with arylzinc reagents.
- Employing additives like 1,10-phenanthroline and tetramethylethylenediamine.
Main Results:
- Achieved good to quantitative yields at 0 degrees C.
- Demonstrated C-H bond activation directed by a neighboring nitrogen atom.
- Observed significantly lower yields without essential additives.
Conclusions:
- The developed iron-catalyzed reaction is efficient for C-C bond formation.
- Neighboring nitrogen-directed C-H activation is a viable strategy.
- Specific additives are critical for reaction success.
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