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High-Yielding, Scalable Synthesis of 5,15-Dioxaporphyrin
Taiyou Tsutsumi1, Takanori Iwasaki1, Soji Shimizu1
1Department of Applied Chemistry, Graduate School of Engineering and Center for Molecular Systems (CMS), Kyushu University, Fukuoka 819-0395, Japan.
We developed a scalable synthesis for 5,15-Dioxaporphyrin (DOP), a molecule with antiaromatic properties. This improved method increases yield and simplifies procedures, enabling new research and the creation of its first palladium complex.
Area of Science:
- Organic Chemistry
- Materials Science
Background:
- 5,15-Dioxaporphyrin (DOP) is a stable 20π antiaromatic molecule.
- Its potential applications are hindered by low synthesis yields and complex workup.
Purpose of the Study:
- To establish a high-yielding and scalable synthesis for DOP.
- To facilitate further investigation of antiaromaticity and develop novel DOP derivatives.
Main Methods:
- Optimization of reaction concentrations, oxime reagents, reaction time, and solvents.
- Characterization of the synthesized DOP and its palladium complex.
Main Results:
- Achieved a high-yielding and scalable synthesis for DOP.
- Demonstrated a reasonable substrate scope for the improved method.
- Successfully synthesized the first palladium complex of DOP.
Conclusions:
- The optimized synthesis overcomes previous limitations in DOP production.
- This advancement opens new avenues for exploring antiaromaticity and developing functional materials based on DOP.
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