Proximity effects in diaryl derivatives. Part VI. Base-catalysed rearrangement of 2-(hydroxyamino)aryl aryl sulphones to 2-hydroxy-2′-(arylsulphonyl)azoxybenzenes
作者:M. F. Grundon、D. J. Maitland、W. L. Matier
DOI:10.1039/j39710000654
日期:——
Treatment of 2-(hydroxyamino)arylphenylsulphones or bis-(2-hydroxyaminoaryl) sulphones with aqueous sodium hydroxide at 20° gives 2-hydroxy-2′-(arylsulphonyl)azoxybenzenes (V) and (VII) and arenesulphonate anions. The hydroxy-group in the azoxy-product is derived from the sulphone or hydroxyamino-groups and not from the added base. 2-Nitrosoaryl phenylsulphones, 2,2′-bis(arylsulphonyl)azoxybenzenes, and