[Cl:1][C:2]1[CH:3]=[CH:4][C:5]2[N:6]([C:8]([C:11]3[O:19][C:18]4[C:13](=NC=[CH:16][CH:17]=4)[CH:12]=3)=[CH:9][N:10]=2)[N:7]=1.BrC1N2N=C(Cl)C=CC2=[N:23][CH:22]=1>>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]2[N:6]([C:8]([C:11]3[O:19][C:18]4[CH:17]=[CH:16][N:23]=[CH:22][C:13]=4[CH:12]=3)=[CH:9][N:10]=2)[N:7]=16-Chloro-3-(furo[3,2-c]pyridin-2-yl)imidazo[1,2-b]pyridazine was prepared in analogy to 6-chloro-3-(furo[3,2-b]pyridin-2-yl)imidazo[1,2-b]pyridazine starting from 314 mg (1.35 mmol) of 3-bromo-6-chloroimidazo[1,2-b]pyridazine to yield 62% of a solid material.
読み込み中…