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Potassium Carbonate → 5-cyclopropyl-6-(N-(2-fluoro-4-nitrophenyl)methylsulfonamido)-2-(4-fluorophenyl)-N-methylbenzofuran-3-carboxamide

HRID 2272304
Notes
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Reaction equation

HRID 2272304 reaction equation
[CH:1]1([C:4]2[C:5]([NH:24][S:25]([CH3:28])(=[O:27])=[O:26])=[CH:6][C:7]3[O:11][C:10]([C:12]4[CH:17]=[CH:16][C:15]([F:18])=[CH:14][CH:13]=4)=[C:9]([C:19]([NH:21][CH3:22])=[O:20])[C:8]=3[CH:23]=2)[CH2:3][CH2:2]1.F[C:30]1[CH:35]=[CH:34][C:33]([N+:36]([O-:38])=[O:37])=[CH:32][C:31]=1[F:39].C(=O)([O-])[O-].[K+].[K+]>COCCOC.O>[CH:1]1([C:4]2[C:5]([N:24]([C:30]3[CH:35]=[CH:34][C:33]([N+:36]([O-:38])=[O:37])=[CH:32][C:31]=3[F:39])[S:25]([CH3:28])(=[O:27])=[O:26])=[CH:6][C:7]3[O:11][C:10]([C:12]4[CH:17]=[CH:16][C:15]([F:18])=[CH:14][CH:13]=4)=[C:9]([C:19]([NH:21][CH3:22])=[O:20])[C:8]=3[CH:23]=2)[CH2:3][CH2:2]1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 11430Potassium CarbonateHCID 1230531,2-Difluoro-4-nitrobenzeneHCID 160735125-cyclopropyl-2-(4-fluorophenyl)-N-methyl-6-(methylsulfonamido)benzofuran-3-carboxamide

Product 1

HCID 1317322685-cyclopropyl-6-(N-(2-fluoro-4-nitrophenyl)methylsulfonamido)-2-(4-fluorophenyl)-N-methylbenzofuran-3-carboxamideYield 77%

Reagents, catalysts & solvents 2

HCID 962
Water
Solvent
HCID 80711,2-DimethoxyethaneSolvent

Conditions

Temperature
100 °C

Procedure

A mixture of 5-cyclopropyl-2-(4-fluorophenyl)-N-methyl-6-[(methylsulfonyl)amino]-1-benzofuran-3-carboxamide (402 mg, 1 mmol), 1,2-difluoro-4-nitrobenzene (318 mg, 2 mmol) and potassium carbonate (414 mg, 3 mmol) in 1,2-dimethoxyethane (20 mL) and water (5 mL) was heated at 100° C. for 48 hours. The solution was cooled to room temperature and concentrated, diluted with ethyl acetate (50 mL) and washed with water. The organic layer was dried over sodium sulfate, filtered, concentrated to dryness, and purified by column chromatography to afford 5-cyclopropyl-6-(N-(2-fluoro-4-nitrophenyl)methylsulfonamido)-2-(4-fluorophenyl)-N-methylbenzofuran-3-carboxamide (420 mg, 0.77 mmol, 77% yield) as a yellow solid. LCMS (m/z, ES+)=542 (M+H+)

Workup

  1. temperatureThe solution was cooled to room temperature
  2. concentrationconcentrated
  3. additiondiluted with ethyl acetate (50 mL)
  4. washwashed with water
  5. dry with materialThe organic layer was dried over sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated to dryness
  8. custompurified by column chromatography

Sources & evidence

ORD record
ord-faea474c0a684d5d92aba39dbcc03ece
Source dataset
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09119868B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes