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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
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HRID 1012519 반응식
[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]
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7

반응물 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

생성물 1

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

시약·촉매·용매 3

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 962Water용매2회
HCID 80711,2-Dimethoxyethane용매

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온도
105 °C

실험 절차

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%).

후처리

  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)

출처 및 근거

ORD 기록
ord-24407a0eab1b4ca8a7f18a97cfb434b8
출처 데이터셋
uspto-grants-2011_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07977488B2

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