Hydrazinecarboxylic acid, ethyl ester → HCID 13424596, compound

Participants

Reaction Steps

A mixture comprising 7.0 g. of 3-chloro-5-methyl-6-(m-nitrophenyl)-pyridazine (U.S. Pat. No. 4,092,311), 5.8 g. of ethyl carbazate and 60 ml. of butanol is refluxed for 18 hours, then cooled in an ice bath and filtered. The solid is air dried giving 2.96 g. of the desired product as a yellow solid, m.p.>300° C.

Provenance & Evidence