| 摘要 |
A process is provided for oxygenating alkyl-substituted aromatic compounds. Alkyl-substituted aromatic compounds in the liquid phase are contacted with molecular oxygen at a temperature below 200 DEG C. in the presence of a catalyst system which is substantially insoluble in the reaction mixture at reaction conditions. The catalyst components are a suspended copper compound and a suspended bromine compound which preferably are associated with a major quantity of a suitable catalyst support material. Optionally, the reaction can be carried out in the presence of minor amounts of acetic acid, acetic anhydride or suitable inorganic nitrate compounds.
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