Process for the production of carboxymethylated alcohols,...

Details Process for the production of carboxymethylated alcohols,... Process for the production of carboxymethylated alcohols,...

C - Chemistry, Metallurgy

07

C

260/527, 260/514

C07C 59/125 (2006.01) C07C 51/367 (2006.01) C07C 59/68 (2006.01)

Patent

CA 1204771

ABSTRACT OF THE DISCLOSURE The present invention relates to a process for the production of carboxymethylates by reacting alcohols, ether alcohols, or alkyl phenols with an aqueous solution of no more than a molar amount of free chloroacetic acid and twice the molar amount of an aqueous base. The chloroacetic acid and the base are added separately, but simultaneously, under agitation, at elevated temperature and under reduced pressure to the alcohol or alkyl phenol. The water content in the reaction mixture, during the entire reaction, is maintain- ed between 0.3 - 1.5% by weight. This process increases the selectivity of the reaction and permits the use of a more economical aqueous chloroacetic acid solution.

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