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

HRID 2047907
ノート
印刷プレビュー

反応式

HRID 2047907 の反応式
[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.C1OCCOCCOCCOCCOC1.[F:41][C:42]1[CH:43]=[CH:44][C:45]([S:48](F)(=[O:50])=[O:49])=[N:46][CH:47]=1>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:45]2[CH:44]=[CH:43][C:42]([F:41])=[CH:47][N:46]=2)(=[O:50])=[O:49])[C:8]=1[C:9]1[C:10]([F:15])=[N:11][CH:12]=[CH:13][CH:14]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 24758Sodium hydrideHCID 3633615-Crown-5HCID 545947785-Fluoropyridine-2-sulfonyl fluorideHCID 67176761tert-butyl {[4-fluoro-5-(2-fluoropyridin-3-yl)-1H-pyrrol-3-yl]methyl}methylcarbamate

生成物 1

HCID 67176681tert-Butyl ({4-fluoro-5-(2-fluoropyridin-3-yl)-1-[(5-fluoropyridin-2-yl)sulfonyl]-1H-pyrrol-3-yl}methyl)methylcarbamate収率 29%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 8028Tetrahydrofuran溶媒

実験手順

To a suspension of sodium hydride (60% in oil, 40 mg) in tetrahydrofuran (2.5 mL) were added tert-butyl {[4-fluoro-5-(2-fluoropyridin-3-yl)-1H-pyrrol-3-yl]methyl}methylcarbamate (162 mg), 15-crown-5 (220 mg) and 5-fluoropyridine-2-sulfonyl fluoride (120 mg) at room temperature, and the mixture was stirred at room temperature for 28 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→7:3) to give the title compound as a pale-yellow oil (yield 69 mg, 29%).

後処理

  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→7:3)

出典と根拠

ORDレコード
ord-fbd5e198d6c8445b8e8720f77fb9229e
出典データセット
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08592597B2

反応ノート

読み込み中…

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