反应详情

温度

130 °C

To a solution of 0.04 mol of benzothiazolinone in 150 g of polyphosphoric acid there is slowly added, with agitation, 0.05 mol of benzoic acid. The reaction medium is heated to 130° C. for 4 hours. After cooling, the mixture is hydrolyzed in 10 volumes of ice-cold water.

1. temperatureAfter cooling