Hydrogen peroxide oxidation

2010-06-04View Original

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I'm doing the oxidation of sulfoxides to sulfones. After checking the information, I found that hydrogen peroxide is used as an oxidant. The solvent is 1,2-dichloropropane and water, but the information says that glacial acetic acid and concentrated sulfuric acid should be added, which is said to be a catalyst. I don't understand their function a little bit. I personally think that glacial acetic acid serves as a phase transfer catalyst, and concentrated sulfuric acid makes the material system weakly acidic to prevent the hydrogen peroxide from automatically decomposing without oxidizing the material. What do you think about the role of glacial acetic acid and concentrated sulfuric acid here?

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Hydrogen peroxide oxidation

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