反应详情

Water is added to a mixture consisting of 3-methyl-4-nitrobenzhydrazide (3.9 g), triethylamine (3 ml) and 2,2-dimethylpropanoyl chloride (2.6 ml) in dichloromethane (120 ml) stirred for 2 h. After drying, evaporation and trituration of the organic phase in petroleum ether, N′-(2,2-dimethylpropanoyl)-3-methyl-4-nitrobenzhydrazide is obtained in the form of a precipitate.

1. customAfter drying
2. customevaporation and trituration of the organic phase in petroleum ether