反应详情

Reflux 59 gm of 2-aminobenzothiazole-6-carboxylic acid (prepared by the procedure of Ann., 558, pg. 29, 1947) in a mixture of 300 gm of potassium hydroxide and 300 gm of water for 31/2 hours. Cool and use in the next step as the dipotassium salt.

1. customprepared by the procedure of Ann
2. temperatureCool