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Methyl iodide → 3-[4-(benzyloxy)phenyl]-1,7-dimethyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one

HRID 1430054
Notes
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Reaction equation

HRID 1430054 reaction equation
[CH3:1]I.[CH2:3]([O:10][C:11]1[CH:16]=[CH:15][C:14]([N:17]2[C:21]3=[N:22][CH:23]=[CH:24][C:25]([CH3:26])=[C:20]3[NH:19][C:18]2=[O:27])=[CH:13][CH:12]=1)[C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1.[H-].[Na+]>CN(C=O)C.C([O-])(O)=O.[Na+]>[CH2:3]([O:10][C:11]1[CH:12]=[CH:13][C:14]([N:17]2[C:21]3=[N:22][CH:23]=[CH:24][C:25]([CH3:26])=[C:20]3[N:19]([CH3:1])[C:18]2=[O:27])=[CH:15][CH:16]=1)[C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 6328Methyl iodideHCID 24758Sodium hydrideHCID 585772463-[4-(benzyloxy)phenyl]-7-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one

Product 1

HCID 585774663-[4-(benzyloxy)phenyl]-1,7-dimethyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolvent
HCID 516892
Sodium Bicarbonate
Solvent

Conditions

Temperature
20 °C

Procedure

MeI (0.377 mL) was added to a solution of 3-[4-(benzyloxy)phenyl]-7-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one (2.0 g) and NaH (0.362 g) in DMF (20 mL) at 20° C. The mixture was stirred at 20° C. under a dry atmosphere for 1 h. The mixture was diluted with sat. NaHCO3 at 20° C. and extracted with EtOAc. The organic layer was separated, washed with water and brine, dried over MgSO4 and concentrated in vacuo to give 3-[4-(benzyloxy)phenyl]-1,7-dimethyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one (2.0 g). This product was subjected to the next reaction without further purification.

Workup

  1. extractionextracted with EtOAc
  2. customThe organic layer was separated
  3. washwashed with water and brine
  4. dry with materialdried over MgSO4
  5. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-e14be3637a564d5883efd55e2174051b
Source dataset
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08940758B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes