Process for producing hydroxyaromatic compound

Details Process for producing hydroxyaromatic compound Process for producing hydroxyaromatic compound

C - Chemistry, Metallurgy

07

C

C07C 39/08 (2006.01) C07C 37/08 (2006.01)

Patent

CA 2333824

A process for producing a hydroxyaromatic compound by oxidizing an alkyl group-substituted aromatic hydrocarbon to a hydroperoxyaromatic compound and decomposing the hydroperoxyaromatic compound to the hydroxyaromatic compound in which the step of neutral- izing the reaction mixture containing the hydroxy- aromatic compound with an aqueous alkali solution is conducted so that an aqueous layer, which is obtained by mixing an oil layer of the neutralized mixture and deionized water in a volume ratio of the oil layer to the deionized water of 2 : 1 to obtain an oil/water mixture and allowing the oil/water mixture to stand still, may have a pH falling within the range of from 4.5 to 5.5, improves the yield of the hydroxyaromatic compound product while suppressing by-production of heavy substances.

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