tert-Butyl methyl((3R)-piperidin-3-yl)carbamate → (R)-tert-butyl 1-(5-bromo-3-(nicotinamido)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-yl(methyl)carbamate

HRID 1923720Notes

Reaction equation

[CH3:1][N:2]([C@@H:10]1[CH2:15][CH2:14][CH2:13][NH:12][CH2:11]1)[C:3](=[O:9])[O:4][C:5]([CH3:8])([CH3:7])[CH3:6].[Br:16][C:17]1[C:18](F)=[C:19]2[C:25]([NH:26][C:27](=[O:34])[C:28]3[CH:33]=[CH:32][CH:31]=[N:30][CH:29]=3)=[CH:24][NH:23][C:20]2=[N:21][CH:22]=1>CCCCO>[Br:16][C:17]1[C:18]([N:12]2[CH2:13][CH2:14][CH2:15][C@@H:10]([N:2]([CH3:1])[C:3](=[O:9])[O:4][C:5]([CH3:8])([CH3:6])[CH3:7])[CH2:11]2)=[C:19]2[C:25]([NH:26][C:27](=[O:34])[C:28]3[CH:33]=[CH:32][CH:31]=[N:30][CH:29]=3)=[CH:24][NH:23][C:20]2=[N:21][CH:22]=1

Participants

Conditions

Temperature: 160 °C

Procedure

(R)-tert-Butyl methyl(piperidin-3-yl)carbamate (384 mg, 1.79 mmol) was added to N-(5-bromo-4-fluoro-1H-pyrrolo[2,3-b]pyridin-3-yl)nicotinamide (200 mg, 0.597 mmol, Example 1, Step I) in n-BuOH (3 mL), and the reaction was stirred at 160° C. for 24 hours in a sealed tube. The reaction was concentrated to dryness. The residue was then purified by chromatography (Biotage SP4, C-18 25M+ column, 10-90% CH3CN/water gradient, 30 CV) to yield (R)-tert-butyl 1-(5-bromo-3-(nicotinamido)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-yl(methyl)carbamate as a solid.

Workup

concentrationThe reaction was concentrated to dryness
customThe residue was then purified by chromatography (Biotage SP4

Sources & evidence

ORD record: ord-9bc4a63abff6424383f65215b9ffc540
Source dataset: uspto-grants-2012_05
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08178131B2

Reaction notes

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