Promoted liquid phase oxidation of alkyl aromatic compounds

Details Promoted liquid phase oxidation of alkyl aromatic compounds Promoted liquid phase oxidation of alkyl aromatic compounds

1975-10-07

1978-05-09

Garner, Vivian

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

Organic compounds

Carboxylic acid esters

260524R, 260524N, 260592, 260599, 260650R, 560241, 568808, 568815, 568715, 568812, C07C 2900, C07C 5133, C07C 6705

Patent

active

040888231

ABSTRACT:
A process is provided for oxygenating alkyl-substituted aromatic compounds. In the process alkyl-substituted aromatic compounds are contacted with molecular oxygen in the presence of a suitable monocarboxylic acid, a soluble copper, cobalt, or iron compound, and an inorganic bromine compound. Optionally present are inorganic nitrates, acetic anhydride, or water. In an embodiment of the invention the process is carried out in two distinct steps with contact of the alkyl-substituted aromatic compounds and oxygen in the presence of the essential components produce an ester comprising both an aromatic alcohol and the carboxylic acid with subsequent hydrolyzing of this ester to produce an aromatic alcohol with regeneration of the carboxylic acid.

REFERENCES:
patent: 3047616 (1962-07-01), Blair et al.
patent: 3649674 (1972-03-01), Koehl
patent: 3780094 (1973-12-01), Herz

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