Process for the preparation of 4-(2'-chloroethyl)- benzoic acid

Details Process for the preparation of 4-(2'-chloroethyl)- benzoic acid Process for the preparation of 4-(2'-chloroethyl)- benzoic acid

C - Chemistry, Metallurgy

07

C

260/513.5

C07C 51/29 (2006.01) C07C 63/70 (2006.01)

Patent

CA 1292996

Abstract of the disclosure: The invention relates to a process for the preparation of 4-(2'-chloroethyl)benzoic acid or an aqueous solution of its sodium and/or potassium salt from 4-(2'-chloroethyl)- acetophenone. In this process, 4-(2'-chloroethyl)- acetophenone is reacted with an aqueous alkaline solution of sodium hy-pochlorite and/or potassium hypochlorite at temperatures between 25°C and 110°C. The free acid can be pre-cipitated by acidification using a strong inorganic acid from the thus obtained aqueous solution of the sodium and/or potassium salt of the 4-(2'-chloroethyl)benzoic acid.

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