Ethanol → HCID 13882134, compound

Participants

Reaction Steps

A 2.5 g. portion of ethyl 5-cyano-1-(4-fluorophenyl)-4-pyrazolecarboxylate was combined with 2.6 g. of potassium hydroxide and stirred under reflux in 100 ml. of denatured ethanol for 4 hours. It was then cooled, made acid, diluted with water, and concentrated under vacuum to obtain 2.8 g. of the desired compound, m.p. 232° dec. after recrystallization from acetone. It was identified by elemental analysis.

Provenance & Evidence