Term: abstraction
https://doi.org/10.1351/goldbook.A00045

Definition:
A chemical reaction or transformation, the main feature of which is the bimolecular removal of an atom (neutral or charged) from a molecular entity. For example: A00045-1.png (proton abstraction from acetone) A00045-2.png (hydrogen abstraction from methane)

Related Terms:
1) chemical reaction (http://doi.org/10.1351/goldbook.C01033).
2) transformation (http://doi.org/10.1351/goldbook.T06446).
3) bimolecular (http://doi.org/10.1351/goldbook.M03989).
4) proton (http://doi.org/10.1351/goldbook.P04906).
5) detachment (http://doi.org/10.1351/goldbook.D01625).

Images:
1) Not defined (https://goldbook.iupac.org/img/inline/A00045-1.png) 
2) Not defined (https://goldbook.iupac.org/img/inline/A00045-2.png) 

Source: PAC, 1994, 66, 1077. 'Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)' on page 1081 (https://doi.org/10.1351/pac199466051077)

Citation: 'abstraction' 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.A00045

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