6-(4-Aminophenyl)-4,5-dihydropyridazin-3(2H)-one → HCID 178467132, compound

Participants

Reaction Steps

230 mg of 2-acetyl-5,5-dimethyl-3-methoxy-2-cyclohexene-1-one and 284 mg of 4,5-dihydro-6-(4-aminophenyl)-3(2H)-pyridazinone was suspended in 2 ml of ethanol, and the resulting mixture was heated to reflux for an hour. After cooled, crude crystal was collected by filtrating, and purified by silica gel column chromatography (eluting solvent: chloroform:methanol=30:1). 390 mg of the title compound was obtained. m.p. 212.0°-213.5° C.

Provenance & Evidence