https://doi.org/10.1351/goldbook.E02311
A @[email protected] in which an atom or group Y connected to two other atoms or groups X and Z is lost from a molecule, leading to a product in which X is bonded to Z, e.g.
E02311-1.png
or E02311-2.png
The reverse of an extrusion is called @[email protected]See:
cheletropic reaction
, insertion
, transformation