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Sodium hydride → tert-Butyl ({4-fluoro-5-(2-fluoropyridin-3-yl)-1-[(5-methylpyridin-3-yl)sulfonyl]-1H-pyrrol-3-yl}methyl)methylcarbamate

HRID 2047914
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HRID 2047914 반응식
[H-].[Na+].[F:3][C:4]1[C:5]([CH2:16][N:17]([CH3:25])[C:18](=[O:24])[O:19][C:20]([CH3:23])([CH3:22])[CH3:21])=[CH:6][NH:7][C:8]=1[C:9]1[C:10]([F:15])=[N:11][CH:12]=[CH:13][CH:14]=1.C1O[CH2:39][CH2:38]OCCOCCOCCOC1.C[C:42]1C=[CH:46][N:45]=[CH:44][C:43]=1[S:48](Cl)(=[O:50])=[O:49]>O1CCCC1.O>[F:3][C:4]1[C:5]([CH2:16][N:17]([CH3:25])[C:18](=[O:24])[O:19][C:20]([CH3:21])([CH3:22])[CH3:23])=[CH:6][N:7]([S:48]([C:43]2[CH:44]=[N:45][CH:46]=[C:38]([CH3:39])[CH:42]=2)(=[O:50])=[O:49])[C:8]=1[C:9]1[C:10]([F:15])=[N:11][CH:12]=[CH:13][CH:14]=1
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참가 물질

7

반응물 4

HCID 24758Sodium hydrideHCID 3633615-Crown-5HCID 213456914-Methylpyridine-3-sulfonyl chlorideHCID 67176761tert-butyl {[4-fluoro-5-(2-fluoropyridin-3-yl)-1H-pyrrol-3-yl]methyl}methylcarbamate

생성물 1

HCID 67177485tert-Butyl ({4-fluoro-5-(2-fluoropyridin-3-yl)-1-[(5-methylpyridin-3-yl)sulfonyl]-1H-pyrrol-3-yl}methyl)methylcarbamate수율 77.4%

시약·촉매·용매 2

HCID 962Water용매HCID 8028Tetrahydrofuran용매2회

실험 절차

To a suspension of sodium hydride (60% in oil, 24 mg) in tetrahydrofuran (3 mL) were added tert-butyl {[4-fluoro-5-(2-fluoropyridin-3-yl)-1H-pyrrol-3-yl]methyl}methylcarbamate (323 mg), 15-crown-5 (264 mg) and a solution of 4-methylpyridine-3-sulfonyl chloride (249 mg) in tetrahydrofuran (2 mL) at room temperature, and the mixture was stirred for 1 hr. The reaction mixture was diluted with water and extracted with ethyl acetate. The separated aqueous layer was extracted again with ethyl acetate. Combined organic layers were washed with saturated brine, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (eluent: hexane-ethyl acetate=9:1→1:1) to give the title compound as a pale-yellow oil (yield 370 mg, 77%).

후처리

  1. extractionextracted with ethyl acetate
  2. extractionThe separated aqueous layer was extracted again with ethyl acetate
  3. washCombined organic layers were washed with saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified by silica gel column chromatography (eluent: hexane-ethyl acetate=9:1→1:1)

출처 및 근거

ORD 기록
ord-481777aa8e5549829059f309f63f71d7
출처 데이터셋
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08592597B2

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