Hydrazinecarboxylic acid, ethyl ester → HCID 20326513, compound

Participants

Reaction Steps

A 2.49 g. portion of 6-(m-nitrophenyl)-5-methyl-3-chloropyridazine and 2.18 g. of ethyl carbazate in 50 ml. of butyl alcohol are stirred at reflux for 4 hours. The reaction mixture is concentrated free of solvent and the concentrate is shaken with ether and water. The resulting solid is recovered by filtration, washed with water and ether and dried, yielding ethyl 3-[6-(m-nitrophenyl)-5-methyl-3-pyridazinyl]carbazate as a cream colored solid, m.p. 186°-187° C.

Provenance & Evidence