Hydrazinecarboxylic acid, ethyl ester → HCID 20326497, compound

Participants

Reaction Steps

A mixture of 2.29 g. of 6-(p-cyanophenyl)-5-methyl-3-chloropyridazine and 2.18 g. of ethyl carbazate in 50 ml. of n-butyl alcohol is prepared. This solution is stirred and heated at reflux temperature for 4 hours. The reaction mixture is cooled to room temperature and the solvent removed on a rotating evaporator. Water is added to the residue and the resulting solid filtered, washed with water, ether and dried. The product is recrystallized from ethanol, m.p. 189°-191° C.

Provenance & Evidence