Process for producing 4-hydroxyacetophenone

Details Process for producing 4-hydroxyacetophenone Process for producing 4-hydroxyacetophenone

C - Chemistry, Metallurgy

07

C

260/579.3

C07C 49/825 (2006.01)

Patent

CA 1298316

Abstract A process of acetylating phenol to 4-hydroxyacetophenone by contacting phenol with about 0.9 to 1.4 moles of acetic acid per mole of phenol as acetylating agent in the presence of about 20 to 50 moles of hydrogen fluoride per mole of phenol as catalyst at a temperature of reaction of about 40 to 90°C for a reaction period of about 10 to 120 minutes. The process generally results in phenol conversions of at least about 80% and reaction selectivities to 4-hydroxyacetophenone of at least about 70%.

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