反应详情

A mixture of 14.5 g (0.1 moles) of 3-chloro-6-pyridazinyl-hydrazine, 8.5 g (0.1 moles) of 3-iminobutyronitrile and 150 ml of ethanol is heated to reflux for 9 hours. After cooling the separated crystals are filtered, washed with ethanol and dried. Yield: 15.6 g (74.0%); m.p.: 148°-150° C. The hydrochloride melts at 157°-159° C.

1. temperatureis heated
2. temperatureto reflux for 9 hours
3. temperatureAfter cooling the separated crystals
4. filtrationare filtered
5. washwashed with ethanol
6. customdried