MCPA-POTASSIUM SALT synthesis

Yield:5221-16-9 237.74 g

Reaction Conditions:

with potassium hydroxide at 90; for 4 h;

Steps:

10

To the obtained isobutyl 4-chloro-2-methylphenoxyacetate, 140.74 g of 40% potassium hydroxide was added and reacted at 90 ° C for 4 h.At the same time, the alcohol formed by the reaction is distilled off, the reaction is cooled down to room temperature, and the filter cake is dried.237.74g of potassium 4-chloro-2-methylphenoxyacetate, the content of 99.0%,The total yield was 98.58% based on o-cresol.

References:

CN108947811,2018,A Location in patent:Sheet 0107; 0110