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The selective functionalization of saturated hydrocarbons. Part 47. Investigation of the size of the reagent involved in the FeII–FeIV manifold

✍ Scribed by Derek H.R. Barton; Franck Launay

Publisher
Elsevier Science
Year
1998
Tongue
French
Weight
397 KB
Volume
54
Category
Article
ISSN
0040-4020

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✦ Synopsis

Competition experiments between cyclohexane and various aromatic substrates have been carried out in pyridine-acetonitrile in order to ascertain the steric requirements of the FeI~-H202 reagent in comparison with the Fem-H202 reagent already studied. The latter is distinctly larger and much less reactive than the fon'ner. Although these results might indicate that the Fen-H202 reagent is simply the hydroxyl radical, the chemistry observed is strictly dependent on the presence of picolinic acid. Without the latter, no significant oxidation of any substrate is observed. Hydroxyl radical formation (Fenton Chemistry) is not considered to be ligand dependent in preceding investigations.

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