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A mesoionic‐nitrosotetrazolium‐catalyzed aerobic oxidation of alcohols is reported. In the presence of catalytic amounts of 5‐nitroso‐1,3‐diphenyltetrazolium tetrafluoroborate (5 mol‐%) and nitric acid (20 mol‐%), a wide range of alcohols are oxidized to the corresponding aldehydes and ketones in yields of 53–100 % at room temperature under ambient air or oxygen conditions. This oxidation shows a...
We describe the synthesis of a mesoion-derived nitroso compound, 5-nitroso-1,3-diphenyltetrazolium tetrafluoroborate (1), and its application in the oxidation of alcohols. The structure of 1 was fully characterized by X-ray analysis, showing that it exists as a monomer in the solid state. In the cyclic voltammetric analysis of 1, a reversible redox peak was observed at 0.43 V (vs. Ag/Ag+ in MeCN)...
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