OXIDATION OF ALKANES, HALOALKANES AND ALKENES
Radical-Cations
Oxidation of alkanes involves the removal of an electron from either a carbon-hydrogen or a carbon-carbon σ-bond. These are dissociative processes where the radical-cation cannot be detected as an intermediate in either fluorosulphuric acid or acetonitrile.
Oxidation of iodoalkanes involves removal of an electron from the halogen non-bonding orbital. The radical-cations of primary and secondary alkyl iodides can be identified in aqueous solution by their absorption spectra and have half-lives of microseconds [1]. They are formed during pulse radiolysis of the iodoalkane in aqueous solution in the presence of nitrous oxide. This system generates hydroxyl radicals, which ...
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