A practical route to azo compounds by metal-free aerobic oxidation of arylhydrazides using an NOx system,Organic Chemistry Frontiers

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A practical route to azo compounds by metal-free aerobic oxidation of arylhydrazides using an NOx system
Organic Chemistry Frontiers ( IF 4.6 ) Pub Date : 2020/02/13 , DOI: 10.1039/d0qo00043d
Giwon Jo _{1,

2,

3,

4,

5} , Min Hye Kim _{1,

2,

3,

4,

5} , Jinho Kim _{1,

2,

3,

4,

5}

Affiliation

Metal-free aerobic oxidation of arylhydrazides was developed for the environmentally friendly and practical synthesis of azo compounds. In the presence of NaNO₂, HNO₃, and O₂, various hydrazides including alkyl 2-arylhydrazinecarboxylates, 2-aryl-1-benzoylhydrazines, and symmetric hydrazines underwent aerobic oxidation to produce the corresponding azo compounds.

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