Oxidation process for alkylaromatics

Details Oxidation process for alkylaromatics Oxidation process for alkylaromatics

1975-12-15

1980-06-17

Helfin, Bernard

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568815, 568812, 568808, 562416, C07C 4502

Patent

active

042083524

ABSTRACT:
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.degree. 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.

REFERENCES:
patent: 2545870 (1951-03-01), Baker et al.
patent: 3641157 (1972-02-01), Riegel et al.
patent: 3745193 (1973-07-01), Riegel et al.
patent: 3859344 (1975-01-01), Shigeyasu
patent: 3907881 (1975-09-01), Kuhlmann

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