Summary
The reaction of benzene with hydroxyl radicals affords phenol and 1,4-benzoquinone in 0.18±0.05 and 0.02±0.01 yield, respectively. The main reaction of the hydroxycyclohexadienyl radical with oxygen leads to the respective peroxy radical which in turn decomposes to ring cleavage products and phenol. In the presence of NO2, nitrobenzene is also formed with yields depending linearly on the initial NO2 concentration and vanishing as [NO2] approaches zero. The amount of phenol formed in the presence of NO2 is equal to that formed in the absence of NO2 within experimental error.
Zusammenfassung
Die Reaktion von Benzol mit Hydroxylradikalen liefert Phenol und 1,4-Benzochinon in Ausbeuten von 0.18 ± 0.05 und 0.02 ± 0.01. Die Hauptreaktion des Hydroxycyclohexadienylradikals mit Sauerstoff führt zum entsprechenden Peroxyradikal, das seinerseits zu offenkettigen Produkten und Phenol zerfällt. In Gegenwart von NO2 entsteht Nitrobenzol; seine Ausbeute hängt linear von der Anfangskonzentration an NO2 ab und läßt sich für verschwindende NO2-Konzentrationen nach Null extrapolieren. Die Menge an gebildetem Phenol hängt nicht von der Anoder Abwesenheit von NO2 ab.
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Moschonas, N., Danalatos, D. & Glavas, S. The effect of O2 and NO2 on the ring retaining products of the reaction of benzene with hydroxyl radicals. Monatsh Chem 127, 875–881 (1996). https://doi.org/10.1007/BF00807026
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DOI: https://doi.org/10.1007/BF00807026