反应详情

温度

90 °C

To a solution of 5.4 g. of phenylhydrazine in 70 ml. of 30% aqueous acetic acid is added 10.0 g. of N-(dimethylaminomethylene)-p-nitrobenzamide. The reaction mixture is stirred at 90° C. for one hour and then cooled. The solid is collected and recrystallized from ethanol giving 9.1 g. of the desired product as colorless crystals, mp. 130°-132° C.

1. temperaturecooled
2. customThe solid is collected
3. customrecrystallized from ethanol giving 9.1 g