反应详情

温度

90 °C

3,6-Dichloro-4,5-dimethylpyridazine (W4.006; 29.0 g) was admixed with 160 ml of hydrazine monohydrate solution (160 ml) and heated to 90° C. while stirring for 4 h. The reaction mixture was admixed with water and the precipitate was filtered off with suction, washed with water and dried over phosphorus pentoxide. 27.2 g of the title compound were obtained.

1. filtrationthe precipitate was filtered off with suction
2. washwashed with water
3. dry with materialdried over phosphorus pentoxide