Term: mesolytic cleavage
https://doi.org/10.1351/goldbook.M03843

Definition:
Cleavage of a bond in a radical ion whereby a radical and an ion are formed. The term reflects the mechanistic duality of the process, which can be viewed as homolytic or heterolytic depending on how the electrons are attributed to the fragments.

Related Terms:
1) radical ion (http://doi.org/10.1351/goldbook.R05073).
2) radical (http://doi.org/10.1351/goldbook.R05066).

Source: PAC, 1994, 66, 1077. 'Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)' on page 1139 (https://doi.org/10.1351/pac199466051077)

Citation: 'mesolytic cleavage' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.M03843

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