4-(6-(6-Chloro-2-methyl-3-oxo-2,3-dihydropyridazin-4-yl-amino)pyridin-3-yl)piperazine-1-carboxylate → 6-Chloro-2-methyl-4-(5-(piperazin-1-yl)pyridin-2-ylamino)pyridazin-3(2H)-one Hydrochloride
反応式
[Cl:1][C:2]1[CH:3]=[C:4]([NH:10][C:11]2[N:16]=[CH:15][C:14]([N:17]3[CH2:22][CH2:21][N:20](C([O-])=O)[CH2:19][CH2:18]3)=[CH:13][CH:12]=2)[C:5](=[O:9])[N:6]([CH3:8])[N:7]=1>Cl.O1CCOCC1>[ClH:1].[Cl:1][C:2]1[CH:3]=[C:4]([NH:10][C:11]2[CH:12]=[CH:13][C:14]([N:17]3[CH2:22][CH2:21][NH:20][CH2:19][CH2:18]3)=[CH:15][N:16]=2)[C:5](=[O:9])[N:6]([CH3:8])[N:7]=1参加物
3
実験手順
Intermediate 328a (1.4 g, 3.3 mmol) was suspended in 4.0 M HCl/dioxane (10 mL). The reaction mixture was stirred at room temperature for 2 h and concentrated under reduced pressure to give 328b (1.1 g, 96%). MS: [M+H]+ 321.