反应详情

A mixture of 1.95 g (0.01 moles) of 3-morpholino-6-pyridazinylhydrazine, 1.0 g (0.01 moles) of acetylacetone and 20 ml of ethanol is heated to reflux for 3 hours. After cooling the separated crystals are filtered, washed with ethanol and dried. Yield: 1.65 g (64.5%); m.p. 119°-121° C.

1. temperatureis heated
2. temperatureto reflux for 3 hours
3. temperatureAfter cooling the separated crystals
4. filtrationare filtered
5. washwashed with ethanol
6. customdried