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Reaction of triplet aryl nitrenes and azides with molecular oxygen
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1972
Year
EngineeringSynthetic PhotochemistryOrganic ChemistryChemistryHeterocycle ChemistryChemical EngineeringPhotoredox ProcessTriplet Aryl NitrenesPhotocatalysisExcited AzideOrganometallic CatalysisPhotochemistryMechanistic PhotochemistryCatalysisPhotochromismAryl AzidesPara-substituted AzidesHeterocyclicNitrosative Stress
Photolysis of aryl azides in the presence of oxygen gives nitro-compounds via a triplet nitrene and, in the case of para-substituted azides, also the azoxy-compound, probably via the nitroso-compound from the reaction of excited azide with oxygen, while triethyl phosphite deoxygenation of nitrosobenzene under oxygen also gave some nitrobenzene.