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Sodium hydride → tert-butyl(2-(5-bromo-3-morpholino-2-oxopyridin-1(2H)-yl)ethyl)carbamate

HRID 594050
Notes
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Reaction equation

HRID 594050 reaction equation
[Br:1][C:2]1[CH:3]=[C:4]([N:9]2[CH2:14][CH2:13][O:12][CH2:11][CH2:10]2)[C:5](=[O:8])[NH:6][CH:7]=1.[H-].[Na+].Br[CH2:18][CH2:19][NH:20][C:21](=[O:27])[O:22][C:23]([CH3:26])([CH3:25])[CH3:24]>CN(C=O)C.O>[Br:1][C:2]1[CH:3]=[C:4]([N:9]2[CH2:14][CH2:13][O:12][CH2:11][CH2:10]2)[C:5](=[O:8])[N:6]([CH2:18][CH2:19][NH:20][C:21](=[O:27])[O:22][C:23]([CH3:26])([CH3:25])[CH3:24])[CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 24758Sodium hydrideHCID 4103526tert-Butyl N-(2-bromoethyl)carbamateHCID 904098535-Bromo-3-morpholinopyridin-2-ol

Product 1

HCID 90442592tert-butyl(2-(5-bromo-3-morpholino-2-oxopyridin-1(2H)-yl)ethyl)carbamate

Reagents, catalysts & solvents 2

HCID 962WaterSolvent
HCID 6228
Dimethylformamide
Solvent

Procedure

A 0.3 M solution of 5-bromo-3-morpholinopyridin-2(1H)-one (1.00 equiv.) in DMF was treated with sodium hydride (1.20 equiv.). The mixture was stirred for 15 min at ambient temperature. Tert-butyl (2-bromoethyl)carbamate (1.20 equiv.) was added. The mixture was stirred at 60° C. for 3 hr. The cooled reaction mixture was diluted with water and extracted with ethyl acetate. The combined organics were washed with saturated aqueous sodium bicarbonate, dried over sodium sulfate, filtered, and concentrated to give tert-butyl (2-(5-bromo-3-morpholino-2-oxopyridin-1(2H)-yl)ethyl)carbamate. LCMS (m/z) (M+H)=402.1/404.1, Rt=0.78 min.

Workup

  1. stirringThe mixture was stirred at 60° C. for 3 hr
  2. customThe cooled reaction mixture
  3. extractionextracted with ethyl acetate
  4. washThe combined organics were washed with saturated aqueous sodium bicarbonate
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated

Sources & evidence

ORD record
ord-5936033d0cc045bd86c13e57152affcf
Source dataset
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09242969B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes