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Water → 6-Carbamoyl-4-[1-(2,4-difluorophenylcarbamoyl)1H-indol-5-yloxy]-7-methoxyquinoline

HRID 387878
Notes
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Reaction equation

HRID 387878 reaction equation
[C:1]([C:4]1[CH:5]=[C:6]2[C:11](=[CH:12][C:13]=1[O:14][CH3:15])[N:10]=[CH:9][CH:8]=[C:7]2[O:16][C:17]1[CH:18]=[C:19]2[C:23](=[CH:24][CH:25]=1)[NH:22][CH:21]=[CH:20]2)(=[O:3])[NH2:2].[H-].[Na+].[F:28][C:29]1[CH:34]=[C:33]([F:35])[CH:32]=[CH:31][C:30]=1[NH:36][C:37](=O)[O:38]C1C=CC=CC=1.O>CN(C)C=O.O1CCCC1.C(OCC)(=O)C>[C:1]([C:4]1[CH:5]=[C:6]2[C:11](=[CH:12][C:13]=1[O:14][CH3:15])[N:10]=[CH:9][CH:8]=[C:7]2[O:16][C:17]1[CH:18]=[C:19]2[C:23](=[CH:24][CH:25]=1)[N:22]([C:37](=[O:38])[NH:36][C:30]1[CH:31]=[CH:32][C:33]([F:35])=[CH:34][C:29]=1[F:28])[CH:21]=[CH:20]2)(=[O:3])[NH2:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 962WaterHCID 24758Sodium hydrideHCID 13733129phenyl N-(2,4-difluorophenyl)carbamateHCID 229364686-Carbamoyl-4-(1H-indol-5-yloxy)-7-methoxyquinoline

Product 1

HCID 229370016-Carbamoyl-4-[1-(2,4-difluorophenylcarbamoyl)1H-indol-5-yloxy]-7-methoxyquinolineYield 57.3%

Reagents, catalysts & solvents 3

HCID 6228DimethylformamideSolventHCID 8028TetrahydrofuranSolventHCID 8857Ethyl AcetateSolvent

Procedure

After dissolving 6-carbamoyl-4-(1H-indol-5-yloxy)-7-methoxyquinoline (100 mg, 0.3 mmol) in N,N-dimethylformamide (0.5 ml), there was added sodium hydride (12 mg, 0.3 mmol) while cooling on ice and the mixture was stirred at room temperature for 15 minutes. After adding phenyl N-(2,4-difluorophenyl)carbamate (79 mg, 0.3150 mmol), the mixture was stirred at room temperature for 2 hours. Water was added to the reaction solution, extraction was performed with ethyl acetate and tetrahydrofuran, the extract was washed with saturated saline and dried over anhydrous magnesium sulfate, and the filtrate was distilled off under reduced pressure. The obtained crystals were suspended in ethanol and diluted with hexane, and then the crystals were filtered out, washed with hexane and dried by aspiration to obtain the title compound (84 mg, 0.1718 mmol, 57.28%) as colorless crystals.

Workup

  1. temperaturewhile cooling on ice
  2. stirringthe mixture was stirred at room temperature for 2 hours
  3. washthe extract was washed with saturated saline
  4. dry with materialdried over anhydrous magnesium sulfate
  5. distillationthe filtrate was distilled off under reduced pressure
  6. additiondiluted with hexane
  7. filtrationthe crystals were filtered out
  8. washwashed with hexane
  9. customdried by aspiration

Sources & evidence

ORD record
ord-c43e73d5d2604446b56f0f09e7547b7b
Source dataset
uspto-grants-2013_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08372981B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes