反应详情

A mixture of 14.5 g (0.1 moles) of 6-chloro-3-pyridazinylhydrazine, 145 ml of ethanol and 15.1 g (0.1 moles) of 4-nitrobenzaldehyde is refluxed with stirring for 2 hours, cooled and 75 ml of water are added. The precipitate is filtered, washed with water, triturated with hot ethanol, filtered again and dried to give 25.4 g (91.5%) of the named compound; m.p. 290° C. (with decomposition).

1. temperatureis refluxed
2. temperaturecooled
3. filtrationThe precipitate is filtered
4. washwashed with water
5. customtriturated with hot ethanol
6. filtrationfiltered again
7. customdried