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Dimethylcarbamoyl Chloride → 1-benzyl-3-(3,4-difluorobenzylcarbamoyl)-2-isopropyl-1H-indol-6-yl Dimethylcarbamate

HRID 40048
Notes
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Reaction equation

HRID 40048 reaction equation
[CH2:1]([N:8]1[C:16]2[C:11](=[CH:12][CH:13]=[C:14]([OH:17])[CH:15]=2)[C:10]([C:18]([NH:20][CH2:21][C:22]2[CH:27]=[CH:26][C:25]([F:28])=[C:24]([F:29])[CH:23]=2)=[O:19])=[C:9]1[CH:30]([CH3:32])[CH3:31])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:33][N:34]([CH3:38])[C:35](Cl)=[O:36]>N1C=CC=CC=1>[CH3:33][N:34]([CH3:38])[C:35](=[O:36])[O:17][C:14]1[CH:15]=[C:16]2[C:11]([C:10]([C:18](=[O:19])[NH:20][CH2:21][C:22]3[CH:27]=[CH:26][C:25]([F:28])=[C:24]([F:29])[CH:23]=3)=[C:9]([CH:30]([CH3:32])[CH3:31])[N:8]2[CH2:1][C:2]2[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=2)=[CH:12][CH:13]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 6598Dimethylcarbamoyl ChlorideHCID 251607401-Benzyl-N-(3,4-difluorobenzyl)-6-hydroxy-2-isopropyl-1H-indole-3-carboxamide2×

Product 1

HCID 442327831-benzyl-3-(3,4-difluorobenzylcarbamoyl)-2-isopropyl-1H-indol-6-yl DimethylcarbamateYield 82%

Reagents, catalysts & solvents 1

HCID 1049PyridineSolvent

Procedure

General Procedure B. To a solution of 1-benzyl-N-(3,4-difluorobenzyl)-6-hydroxy-2-isopropyl-1H-indole-3-carboxamide (Compound 8, 18mg, 0.041mol) in pyridine (1 ml) was added dimethylcarbamyl chloride (40 μl, 0.41 mmol) and stirred at room temperature overnight. The reaction was quenched with water, extracted with ethyl acetate. The combined organic layer was washed with water, brine, dried over Na2SO4, and concentrated in vacuo. The residue was purified by chromatography on silica gel (0→50% EtOAc-hexanes) to yield the title compound as a white solid (17 mg, 82%).

Workup

  1. customThe reaction was quenched with water
  2. extractionextracted with ethyl acetate
  3. washThe combined organic layer was washed with water, brine
  4. dry with materialdried over Na2SO4
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified by chromatography on silica gel (0→50% EtOAc-hexanes)

Sources & evidence

ORD record
ord-15ff3d80907049e59f7e38413bc5e824
Source dataset
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08524917B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes