Hydrazine hydrate (1:1) → HCID 68536564, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of ethyl 5,5-bis(4-fluorophenyl)-2-hydroxy-4-oxopentanoate (796 mg) in 1-butanol (4 mL) was added hydrazine hydrate (137 mg) at ambient temperature. The reaction mixture was stirred at 130° C. for 12 hours. After cooling to ambient temperature, the reaction mixture was evaporated in vacuo. The resulting residue was stirred at 160° C. for 3 hours. After cooling, the reaction mixture was purified by silica gel column chromatography (EtOAc:n-hexane=2:1) and crystallized from solvent (EtOAc:n-hexane=1:2) to give 6-[bis(4-fluorophenyl)methyl]pyridazin-3(2H)-one (344 mg) as a pale brown solid.

Provenance & Evidence