Hydrazine hydrate (1:1) → HCID 14581292, compound

Participants

Reaction Steps

A solution of methyl-2-[4-(1H-imidazol-1-yl)benzoyl]benzoate (1.3 g, 4.25 mmol) in 15 mL of EtOH is treated with hydrazine monohydrate (0.26 g, 5.20 mmol) and heated to reflux for 1 day. The white solid which precipitates is filtered and recrystallized from EtOH to give 4[4-(1H-imidazol-1-yl)phenyl]-1-oxo-1,2-dihydrophthalazine. M.P. 309.5°-311° C.

Provenance & Evidence