Hydrochloric Acid → HCID 135759124, compound

Participants

Reaction Steps

3-(2-Amino-4-nitroanilino)-1-methylpyrazole-4-carbonitrile (250 mg) was heated under reflux in a mixture of isopropanol (10 ml) and concentrated hydrochloric acid (1 ml) for 20 hours. The solution was evaporated under reduced pressure and the residue crystallised from methylated spirits to give the title compound m.p. >260°.

Provenance & Evidence