Citation: A. Nezhadali, M. Akbarpour. Selective oxidation of primary substituted aromatic amines to azoxy products using lacunary catalyses[J]. Chinese Chemical Letters, ;2010, 21(1): 43-46. doi: 10.1016/j.cclet.2009.07.017 shu

Selective oxidation of primary substituted aromatic amines to azoxy products using lacunary catalyses

A. Nezhadali ^a, ,
M. Akbarpour ^a,b

a Department of Chemistry, Payame Noor University(PNU), Mashhad, Iran;
b Department of Chemistry, Payame Noor University(PNU), Bojnourd, Iran

Received Date: 18 May 2009

Some of the substituted anilines were selectively converted in to the corresponding azoxy and azobenzenes by oxidation with 30% aqueous hydrogen peroxide. The reactions were catalyzed by various heteropolyoxometalates, at boiling point of the used solvents. An improvement in the product yield and selectivity towards azoxybenzens was also observed. Azobenzenes was obtained as by-product. In the all similar cases, the highest yield of azoxy compounds was observed using K₅PW₁₁ZnO₃₉ as catalyst in N,N dimethylformamide solvent.
- Heteropolyoxometalates,
- Catalyst,
- Azobenzene,
- Azoxybenzene
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