Butanenitrile, 3-imino- → 1-(6-chloropyridazin-3-yl)-3-methyl-1H-pyrazol-5-amine

Beteiligte Stoffe

Reaktionsschritte

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.

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