反应详情

A mixture of 111 g of 6-hexadecyloxy-2-methylbenzoxazole, 1,300 ml of ethanol, 110 ml of 33% hydrochloric acid and 550 ml of water was stirred at 55°-60° C. for 4 hours. The reaction solution was cooled to precipitate crystals, and the crystals were collected by filtration. 113 g of 2-acetylamino-5-hexadecyloxyphenol was obtained.

1. temperatureThe reaction solution was cooled
2. customto precipitate crystals
3. filtrationthe crystals were collected by filtration