Methylhydrazine → HCID 12562816, compound

Participants

Reaction Steps

A mixture of 2.2 g. (10 mmoles) of 3-chloro-6-(4-cyano-5-amino-1-pyrazolyl)-pyridazine (prepared according to Example 24), 1.38 g. (30 mmoles) of methylhydrazine and 25 ml. of dimethylformamide is heated at 120°-130° C. for 7.5 hours, and after cooling the mixture is poured onto ice. The separated crystals are filtered, washed with water and triturated with 5 ml. of hot ethanol, filtered and dried. Yield: 2.1 g. (91%); m.p.: 260° C. (with decomposition).

Provenance & Evidence