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Sodium Carbonate → tert-butyl ({5-(2-fluoropyridin-3-yl)-1-[(6-methylpyridin-3-yl)sulfonyl]-1H-pyrrol-3-yl}methyl)methylcarbamate

HRID 1012519
Notes
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Reaction equation

HRID 1012519 reaction equation
[C:1]([O:5][C:6](=[O:26])[N:7]([CH2:9][C:10]1[CH:14]=[C:13](Br)[N:12]([S:16]([C:19]2[CH:20]=[N:21][C:22]([CH3:25])=[CH:23][CH:24]=2)(=[O:18])=[O:17])[CH:11]=1)[CH3:8])([CH3:4])([CH3:3])[CH3:2].[F:27][C:28]1[C:33](B(O)O)=[CH:32][CH:31]=[CH:30][N:29]=1.C(=O)([O-])[O-].[Na+].[Na+]>COCCOC.O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:1]([O:5][C:6](=[O:26])[N:7]([CH2:9][C:10]1[CH:14]=[C:13]([C:33]2[C:28]([F:27])=[N:29][CH:30]=[CH:31][CH:32]=2)[N:12]([S:16]([C:19]2[CH:20]=[N:21][C:22]([CH3:25])=[CH:23][CH:24]=2)(=[O:18])=[O:17])[CH:11]=1)[CH3:8])([CH3:4])([CH3:3])[CH3:2]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 10340Sodium CarbonateHCID 27832702-Fluoropyridine-3-boronic acidHCID 66974470tert-butyl({5-bromo-1-[(6-methylpyridin-3-yl)sulfonyl]-1H-pyrrol-3-yl}methyl)methylcarbamate

Product 1

HCID 66974551tert-butyl ({5-(2-fluoropyridin-3-yl)-1-[(6-methylpyridin-3-yl)sulfonyl]-1H-pyrrol-3-yl}methyl)methylcarbamateYield 41%

Reagents, catalysts & solvents 3

HCID 178418397
HCID 178418397, compound
Catalyst
HCID 962WaterSolvent2×
HCID 80711,2-DimethoxyethaneSolvent

Conditions

Temperature
105 °C

Procedure

A suspension of tert-butyl({5-bromo-1-[(6-methylpyridin-3-yl)sulfonyl]-1H-pyrrol-3-yl}methyl)methylcarbamate (206 mg), (2-fluoropyridin-3-yl)boronic acid (80 mg), sodium carbonate (119 mg) and tetrakis(triphenylphosphine)palladium (80 mg) in 1,2-dimethoxyethane (5 mL) and water (2.5 mL) was stirred under a nitrogen atmosphere at 105° C. for 1 hr. The reaction mixture was allowed to cool to room temperature, water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The extract was washed with a saturated aqueous sodium hydrogencarbonate solution, water and saturated brine, dried over anhydrous sodium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (eluent:hexane-ethyl acetate=1:1) to give the title compound as a pale-yellow oil (yield 87 mg, 41%).

Workup

  1. temperatureto cool to room temperature
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe extract was washed with a saturated aqueous sodium hydrogencarbonate solution, water and saturated brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified by silica gel column chromatography (eluent:hexane-ethyl acetate=1:1)

Sources & evidence

ORD record
ord-24407a0eab1b4ca8a7f18a97cfb434b8
Source dataset
uspto-grants-2011_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07977488B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes