Oxidation of tertiary-alkyl substituted aromatics
AssigneeMonsanto Company
InventorsRoy A. Periana, George F. Schaefer
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Abstract
A process for the production of para-oriented dicarboxylic aromatic acids is disclosed in which an aromatic compound, having a tertiary alkyl group, is oxidized with molecular oxygen in the presence of a catalytic composition comprising a cobalt salt, a minor amount of a manganese salt, and a source of chloride in the presence of a solvent.
Claims4
A catalyst composition comprising cobalt salt, a manganese salt and a halide selected from the group consisting of chloride and fluoride, said manganese salt being present in a molar ratio of manganese to cobalt of from about 0.001 to about 0.5 and said halide being present in a molar ratio of halide to cobalt of from about 1 to about 2, all dissolved in a solvent therefore, said solvent comprising an organic aliphatic carboxylic acid having from 2 to about 5 carbon atoms.
Dependencies are inferred from the claim text.