Ethyl Acetate → HCID 57927618, compound

Participants

Reaction Steps

After suspending 2,5-dimethyl-2H-pyrazole-3-carboxylic acid hydrazide (CAS 89187-40-6) (1.15 g) in ethyl acetate (10 ml), trichloromethyl chloroformate (0.90 ml) was added dropwise while stirring on ice. Upon completion of the dropwise addition, the mixture was heated to reflux overnight. It was then allowed to cool, n-heptane (10 ml) was added to the reaction mixture, and the precipitate was collected by filtration to obtain the title compound (1.58 g).

Provenance & Evidence