Because radical reactions involve structures not seen on “standard” mechanisms (see section 7.5.), the elementary steps involved are different from standard elementary steps (see section 7.6.). There are four common elementary steps:
As outlined in the previous section, homolysis involves the splitting of a bond down the middle to produce two radicals. This is usually how radicals are generated; this means nearly all radical reactions begin with this.
(b) Radical coupling
(c) Bimolecular homolytic substitution (SH2)
(d) Radical addition
- Overview of common elemantary steps in radical reactions - homolysis, radical coupling, SH2 and radical addition. Authored by: Martin A. Walker. Provided by: State University of New York at Potsdam. Located at: https://www.potsdam.edu/about/directory/units/chemistry#result-70536. License: CC0: No Rights Reserved