2-Benzoylbenzoic Acid → HCID 178518893, compound

Participants

Reaction Steps

The mixture of o-benzoyl benzoic acid (11.3 g; 0.05 mol) and hydrazine (0.15 mol) in ethanol (150 ml) is stirred at room temperature for 5-24 hours to give 1-hydroxy-4-phenyl phthalazine as a white precipitate which is filtered off and is washed with ethanol. (12.3 g)(m.p. 240° C.)

Provenance & Evidence