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Water → methyl 5-(4-bromo-2-formyl-N-propylanilino)pentanoate

HRID 1810768
Notes
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Reaction equation

HRID 1810768 reaction equation
[Br:1][C:2]1[CH:18]=[CH:17][C:5]([N:6]([CH2:10][CH2:11][CH2:12][CH2:13][C:14]([OH:16])=[O:15])[CH2:7][CH2:8][CH3:9])=[C:4]([CH:19]=[O:20])[CH:3]=1.[C:21](=O)([O-])[O-].[K+].[K+].IC.O>CN(C=O)C>[Br:1][C:2]1[CH:18]=[CH:17][C:5]([N:6]([CH2:10][CH2:11][CH2:12][CH2:13][C:14]([O:16][CH3:21])=[O:15])[CH2:7][CH2:8][CH3:9])=[C:4]([CH:19]=[O:20])[CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 6328Methyl iodideHCID 11430Potassium CarbonateHCID 865955795-(4-bromo-2-formyl-N-propylanilino)pentanoic acid

Product 1

HCID 86595580methyl 5-(4-bromo-2-formyl-N-propylanilino)pentanoateYield 94.7%

Reagents, catalysts & solvents 1

HCID 6228
Dimethylformamide
Solvent
2×

Procedure

To a suspension of 5-(4-bromo-2-formyl-N-propylanilino)pentanoic acid (8.00 g) and potassium carbonate (3.88 g) in DMF (25 ml) was added dropwise a solution of iodomethane (4.66 g) in DMF (5 ml) under a nitrogen atmosphere. The mixture was stirred overnight under a nitrogen atmosphere. Then, water was added and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated saline and dried over magnesium sulfate. The solvent was distilled off under reduced pressure to obtain brown oil of methyl 5-(4-bromo-2-formyl-N-propylanilino)pentanoate (7.89 g).

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was washed with saturated saline
  3. dry with materialdried over magnesium sulfate
  4. distillationThe solvent was distilled off under reduced pressure

Sources & evidence

ORD record
ord-35d36a054757467a8bfc5106e5e8ea3a
Source dataset
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08362058B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes