反应详情

54.3 g 4-bromo-3-methyl-benzoyl chloride was added to 23.3 g triethylamine and 30.4 g hydrazinecarboxylic acid tert-butyl ester in 1 L dichlormethane. The reaction was stirred 1 h at RT and extracted with water. The organic layer was evaporated and the residue was crystallized with diisopropylether to give 70 g desired product.

1. extractionextracted with water
2. customThe organic layer was evaporated
3. customthe residue was crystallized with diisopropylether