Cl[C:2]1[C:7]([C:8]([C:10]2[NH:11][CH:12]=[CH:13][CH:14]=2)=O)=[CH:6][CH:5]=[C:4]([Cl:15])[N:3]=1.O.[NH2:17][NH2:18]>C(O)C>[Cl:15][C:4]1[N:3]=[C:2]2[NH:17][N:18]=[C:8]([C:10]3[NH:11][CH:12]=[CH:13][CH:14]=3)[C:7]2=[CH:6][CH:5]=1A mixture of (2,6-dichloro-pyridin-3-yl)-(1H-pyrrol-2-yl)-methanone (1.8 g) and hydrazine hydrate (0.5 mL) in ethanol (70 mL) was heated at 90° C. for 20 hours. The reaction was concentrated to 40 mL, diluted with water (5 mL) and cooled. The precipitate was collected and dried to give 0.84 g of the titled compound.
読み込み中…