Sulfoxidation

 ( Sulfonic Acids ) 

in chemistry, sulfoxidation refers to two distinct reactions.

In one meaning, sulfoxidation refers to the reaction of with a mixture of sulfur dioxide and oxygen. This reaction is employed industrially to produce alkyl sulfonic acids, which are used as . The reaction requires UV-radiation.

The reaction favors secondary positions in accord with its free-radical mechanism. Mixtures are produced. Semiconductor-sensitized variants have been reported.

Sulfoxidation can also refer to the oxidation of a thioether to a sulfoxide.

A typical source of oxygen is hydrogen peroxide.

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