Classification of Dioxygen Reactions: A Unifying View

Abstract

Dioxygen Activation / Spin Conservation Rule / Photoinitiated Dioxygen Reactions / ClassificationDioxygen reactions in solution were classified into six classes according to two criteria, the way how the spin ban of dioxygen reaction is circumvented and origin of the activation energy Ϫ thermal energy or energy of the light quantum.Sauerstoff-Reaktionen werden in sechs Klassen gemäß zweier Kriterien klassifiziert: nach der Art auf welche das Spin-Verbot umgangen wird und nach dem Ursprung der Aktivierungsenergie Ϫ thermische Energie oder Energie des Lichtquantums.

On the atmospheric oxidation of liquid toluene

“…It was noticed about a decade ago that toluene residues, stored in brown reagent bottles over many months, accumulated trace amounts of benzylhydroperoxide; also that xylenes and ethylbenzene behaved similarly. 1 As most room-temperature oxidations of biological and of organic materials occur in the presence of water or are catalysed by transition metal compounds, 2 it might be natural to speculate that this oxidation was mediated by water, either naturally present in the toluene or adsorbed on the interior surface of the glass bottles.…”