(3R)-3-Aminopiperidine, 3-BOC protected → (R)-tert-butyl 1-(5-bromo-3-(2-phenylacetamido)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate

HRID 408436

Reaction equation

HRID 408436 reaction equation
[Br:1][C:2]1[C:3](F)=[C:4]2[C:10]([NH:11][C:12](=[O:20])[CH2:13][C:14]3[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=3)=[CH:9][NH:8][C:5]2=[N:6][CH:7]=1.[NH:22]1[CH2:27][CH2:26][CH2:25][C@@H:24]([NH:28][C:29](=[O:35])[O:30][C:31]([CH3:34])([CH3:33])[CH3:32])[CH2:23]1>C(O)(CC)C>[Br:1][C:2]1[C:3]([N:22]2[CH2:27][CH2:26][CH2:25][C@@H:24]([NH:28][C:29](=[O:35])[O:30][C:31]([CH3:33])([CH3:32])[CH3:34])[CH2:23]2)=[C:4]2[C:10]([NH:11][C:12](=[O:20])[CH2:13][C:14]3[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=3)=[CH:9][NH:8][C:5]2=[N:6][CH:7]=1

Participants

4

Reactant 2

HCID 1514172(3R)-3-Aminopiperidine, 3-BOC protectedHCID 60205702N-(5-bromo-4-fluoro-1H-pyrrolo[2,3-b]pyridin-3-yl)-2-phenylacetamide

Product 1

HCID 67045539(R)-tert-butyl 1-(5-bromo-3-(2-phenylacetamido)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamateYield 70.4%

Reagents, catalysts & solvents 1

HCID 6568(+-)-2-ButanolSolvent

Procedure

N-(5-Bromo-4-fluoro-1H-pyrrolo[2,3-b]pyridin-3-yl)-2-phenylacetamide (300 mg, 0.86 mmol) and (R)-tert-butyl piperidin-3-ylcarbamate (518 mg, 2.58 mmol) in s-BuOH (5 mL) were heated to 135° C. in a sealed tube for 24 hours. After cooling down, the residue was concentrated and purified by reverse phase chromatography (SP4, 25M, water/ACN 80/20→0/100, 30 CV) to yield (R)-tert-butyl 1-(5-bromo-3-(2-phenylacetamido)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate (320 mg, 70% yield) as a solid.

Workup

  1. temperatureAfter cooling down
  2. concentrationthe residue was concentrated
  3. custompurified by reverse phase chromatography (SP4, 25M, water/ACN 80/20→0/100, 30 CV)

Sources & evidence

ORD record
ord-a4707809f7c64de891a2bbe08d5379a1
Source dataset
uspto-grants-2014_06
Patent number
US08758830B2

Linked notes

Loading…