3-(Ethoxymethylene)pentane-2,4-dione → HCID 178467922, Verbindung
Reaktionsgleichung
[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH2:9][CH2:10][C:11](=[O:14])[NH:12][N:13]=2)=[CH:4][CH:3]=1.C(O[CH:18]=[C:19]([C:23](=[O:25])[CH3:24])[C:20](=[O:22])[CH3:21])C>C(O)C>[C:20]([C:19]([C:23](=[O:25])[CH3:24])=[CH:18][NH:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH2:9][CH2:10][C:11](=[O:14])[NH:12][N:13]=2)=[CH:4][CH:3]=1)(=[O:22])[CH3:21]Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
A solution containing 0.38 g of 6-(4-aminophenyl)-4,5-dihydropyridazin-3(2H)one and 0.4 g of 3-ethoxymethylene-2,4-pentanedione in 5 ml of ethanol was refluxed for 1 h. Yield 0.3 g, mp 218°-222° C.