Water → 3,5-dimethyl-N-phenyl-1H-pyrazole-4-carboxamide

Participants

Reaction Steps

The foregoing diacetyl acetanilide (2.2 g) in glacial acetic acid (30 ml) was treated with hydrazine hydrate (1.5 g) and the mixture boiled under reflux for 30 min. The mixture was then poured into water and the product collected and crystallised from ethanol. 3,5-dimethyl-N-phenyl-4-pyrazolecarboxamide (1.9 g, 86%) was obtained as colourless plates, m.p. 244-5° C (Found: C, 66.8 H, 6.0 N, 19.3 C12H13N3O requires C, 66.9; H, 6.1; N, 19.5%).

Provenance & Evidence