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Synthesis 2004(5): 706-710
DOI: 10.1055/s-2004-815964
DOI: 10.1055/s-2004-815964
PAPER
© Georg Thieme Verlag Stuttgart · New York
Simple Preparation of Nitroso Benzenes and Nitro Benzenes by Oxidation of Anilines with H2O2 Catalysed with Molybdenum Salts
Weitere Informationen
Received
9 January 2004
Publikationsdatum:
10. Februar 2004 (online)
Publikationsverlauf
Publikationsdatum:
10. Februar 2004 (online)
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Abstract
Nitroso arenes 2a-k are prepared in 53-80% yield from anilines 1a-k by oxidation with H2O2 catalysed with MoO3/KOH, ammonium molybdate or other molybdenum salts. Further oxidation to nitro arenes 3a,d,j in 66-90% is also described.
Keys words
nitroso arenes - nitro arenes - oxidation - molybdenum salts
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References
At pH 11-12, it was shown that another species MoO(O2)3 2- decomposed with formation of singlet oxygen (1O2). [21] See a discussion in the lit. [21] for the participation of the red peroxo-anion Mo(O2)4 2- in the formation of O2.