Abstract

AbstractA new organocatalytic and environmentally friendly aerobic oxidative‐catalyzed nitroso‐Diels‐Alder (NDA) reaction of N‐arylhydroxylamines with dienecarbamates has been developed. 3,6‐Bis(2,2,2‐trifluoroethoxy)‐s‐tetrazine was found to be an effective catalyst to selectively oxidize various N‐arylhydroxylamines in the presence of molecular oxygen, but in the absence of photostimulation, as a terminal oxidant. In addition, active catalytic species can be generated in situ from commercially available 3,6‐dichlorotetrazine.

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