= Criegee intermediate
{wiki=Criegee_intermediate}
Criegee intermediates are a class of reactive species that play a significant role in the chemistry of the atmosphere, particularly in the formation of secondary organic aerosols and in atmospheric processes involving organic compounds. They are formed during the ozonolysis of alkenes, where ozone reacts with a double bond, leading to the cleavage of the carbon-carbon bond. This reaction produces carbonyl compounds and the Criegee intermediate, which is typically a highly reactive carbonyl oxide.
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