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Isopropyl iodide → 3-[4-(benzyloxy)phenyl]-6-methyl-1-(1-methylethyl)-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one

HRID 587553
Notes
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Reaction equation

HRID 587553 reaction equation
[H-].[Na+].[CH2:3]([O:10][C:11]1[CH:16]=[CH:15][C:14]([N:17]2[C:21]3=[N:22][CH:23]=[C:24]([CH3:26])[CH:25]=[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.I[CH:29]([CH3:31])[CH3:30].[Cl-].[Cl-].[Ca+2]>CN(C=O)C.O>[CH2:3]([O:10][C:11]1[CH:16]=[CH:15][C:14]([N:17]2[C:21]3=[N:22][CH:23]=[C:24]([CH3:26])[CH:25]=[C:20]3[N:19]([CH:29]([CH3:31])[CH3:30])[C:18]2=[O:27])=[CH:13][CH:12]=1)[C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 6362Isopropyl iodideHCID 24758Sodium hydrideHCID 5284359Calcium ChlorideHCID 585775733-[4-(benzyloxy)phenyl]-6-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one

Product 1

HCID 585776583-[4-(benzyloxy)phenyl]-6-methyl-1-(1-methylethyl)-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one

Reagents, catalysts & solvents 2

HCID 962WaterSolvent
HCID 6228DimethylformamideSolvent

Procedure

NaH (84 mg) was added to a solution of 3-[4-(benzyloxy)phenyl]-6-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one (346 mg) and 2-iodopropane (0.208 mL) in DMF (dry) (4 mL) at room temperature. The mixture was stirred at room temperature under a dry atmosphere (CaCl2 tube) for 1 h. The mixture was poured into water, and the mixture was extracted with EtOAc. The organic layer was separated, washed with brine, dried over MgSO4 and concentrated in vacuo. The residue was purified by column chromatography (NH silica gel, EtOAc/hexane) to give the title compound (283 mg) as a yellow oil.

Workup

  1. extractionthe mixture was extracted with EtOAc
  2. customThe organic layer was separated
  3. washwashed with brine
  4. dry with materialdried over MgSO4
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified by column chromatography (NH silica gel, EtOAc/hexane)

Sources & evidence

ORD record
ord-a8311b2dae6d4c2fb8bd2f7dcd2e35d6
Source dataset
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09226921B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes