???????Graphite-Catalyzed Synthesis of Sulfones in Aqueous Medium

Developing mild sustainable protocols for the synthesis of sulfones remains a challenge in organic synthesis. Herein, we report an efficient strategy for the synthesis of sulfones from organic halides and sodium salts of sulfinic acids using graphite powder as reusable catalyst and water as solvent at room temperature. The reaction showed a broad substrate scope, functional group tolerance, easy extraction conditions, and the products were isolated without the need of further purification. When alpha-halo-ketones were used as substrates, the corresponding beta-ketosulfones were also obtained in good yields. The method is general and can also be used on larger scale.

Automated summary

This study presents an efficient strategy for the synthesis of sulfones from organic halides and sodium salts of sulfinic acids using graphite powder as a reusable catalyst and water as a solvent at room temperature. The method demonstrates a broad substrate scope, high functional group tolerance, easy extraction conditions, and isolated products without the need for further purification.