Hydrazinecarboxylic acid, ethyl ester → HCID 136138544, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 10.25 gm. of 5-methyl-2-phenyl-4-imidazolecarboxaldehyde and 5.72 gm. of ethyl carbazate in 30 ml. of ethanol containing one drop of acetic acid is boiled for 30 minutes. The mixture is cooled to 0° C. and concentrated under an air stream on a steam bath. A 50 ml. portion of carbon tetrachloride is added and the mixture is cooled to 0° C. overnight. The solid is collected giving the desired product, m.p. 209°-211° C.

Provenance & Evidence