[Br:1][C:2]1[C:3](F)=[C:4]2[C:10]([NH:11][C:12]([C:14]3[CH:15]=[N:16][N:17]([CH2:19][C:20]4[CH:25]=[CH:24][C:23]([O:26][CH3:27])=[CH:22][CH:21]=4)[CH:18]=3)=[O:13])=[CH:9][NH:8][C:5]2=[N:6][CH:7]=1.[NH:29]1[CH2:34][CH2:33][CH2:32][C@@H:31]([NH:35][C:36](=[O:42])[O:37][C:38]([CH3:41])([CH3:40])[CH3:39])[CH2:30]1>CCCCO>[Br:1][C:2]1[C:3]([N:29]2[CH2:34][CH2:33][CH2:32][C@@H:31]([NH:35][C:36](=[O:42])[O:37][C:38]([CH3:40])([CH3:39])[CH3:41])[CH2:30]2)=[C:4]2[C:10]([NH:11][C:12]([C:14]3[CH:15]=[N:16][N:17]([CH2:19][C:20]4[CH:25]=[CH:24][C:23]([O:26][CH3:27])=[CH:22][CH:21]=4)[CH:18]=3)=[O:13])=[CH:9][NH:8][C:5]2=[N:6][CH:7]=1A mixture of N-(5-bromo-4-fluoro-1H-pyrrolo[2,3-b]pyridin-3-yl)-1-(4-methoxybenzyl)-1H-pyrazole-4-carboxamide (230 mg, 0.518 mmol) and (R)-tert-butyl piperidin-3-ylcarbamate (311 mg, 1.55 mmol) in n-BuOH (2.5 mL) was heated to 155° C. for 48 hours in a sealed tube. The reaction mixture was then cooled to room temperature and concentrated in vacuo. The resulting residue was purified by reverse phase HPLC (Gilson) to provide (R)-tert-butyl 1-(5-bromo-3-(1-(4-methoxybenzyl)-1H-pyrazole-4-carboxamido)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate (60 mg, 18% yield).
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