Cl[C:2]1[C:3]2[CH:10]=[C:9]([C:11]3[CH:16]=[CH:15][C:14]([F:17])=[CH:13][CH:12]=3)[S:8][C:4]=2[N:5]=[CH:6][N:7]=1.[Cl:18][C:19]1[CH:20]=[C:21]([CH:23]=[CH:24][C:25]=1[F:26])[NH2:22]>ClCCCl.CC(O)(C)C>[Cl:18][C:19]1[CH:20]=[C:21]([NH:22][C:2]2[C:3]3[CH:10]=[C:9]([C:11]4[CH:16]=[CH:15][C:14]([F:17])=[CH:13][CH:12]=4)[S:8][C:4]=3[N:5]=[CH:6][N:7]=2)[CH:23]=[CH:24][C:25]=1[F:26]To a solution of 4-chloro-6-(4-fluorophenyl)thieno[2,3-d]pyrimidine (40 mg, 0.15 mmol) in 1,2-dichloroethane/t-BuOH (1:1, 1 ml) was added 3-chloro-4-fluoroaniline (22 mg, 0.15 mmol). The mixture was heated at 90° C. for 2 days. After cooling down to room temperature, the solvents were removed under reduced pressure. The crude residue was purified by silica gel chromatography (CH2Cl2/MeOH 100:1) to yield the title compound as a white solid (28 mg, 50%).
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