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Benzenesulfonic acid, 4-methyl-, compd. with pyridine (1:1) → (2R)-4-(5-fluoro-2-oxo-4-phenylpyridin-1(2H)-yl)-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide

HRID 84295
ノート
印刷プレビュー

反応式

HRID 84295 の反応式
C1(C)C=CC(S([O-])(=O)=O)=CC=1.[NH+]1C=CC=CC=1.[F:18][C:19]1[C:20]([C:44]2[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=2)=[CH:21][C:22](=[O:43])[N:23]([CH2:25][CH2:26][C@@:27]([CH3:42])([S:38]([CH3:41])(=[O:40])=[O:39])[C:28]([NH:30][O:31]C2CCCCO2)=[O:29])[CH:24]=1>C(O)C>[F:18][C:19]1[C:20]([C:44]2[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=2)=[CH:21][C:22](=[O:43])[N:23]([CH2:25][CH2:26][C@@:27]([CH3:42])([S:38]([CH3:41])(=[O:39])=[O:40])[C:28]([NH:30][OH:31])=[O:29])[CH:24]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 466102Benzenesulfonic acid, 4-methyl-, compd. with pyridine (1:1)HCID 86717774(2R)-4-(5-fluoro-2-oxo-4-phenylpyridin-1(2H)-yl)-2-methyl-2-(methylsulfonyl)-N-(tetrahydro-2H-pyran-2-yloxy)butanamide

生成物 1

HCID 57326694(2R)-4-(5-fluoro-2-oxo-4-phenylpyridin-1(2H)-yl)-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide収率 52,734.102%

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒

実験手順

Pyridinium p-toluenesulfonate (22 mg, 0.088 mmol) was added to a solution of (2R)-4-(5-fluoro-2-oxo-4-phenylpyridin-1(2H)-yl)-2-methyl-2-(methylsulfonyl)-N-(tetrahydro-2H-pyran-2-yloxy)butanamide (197 mg, 0.422 mmol). The solution was heated to reflux in ethanol (10 ml) and stirred at this temperature until complete. The solution was cooled to RT, and the volatiles were removed in vacuo. The solid was triturated in ethanol (5 mL), collected via filtration, then washed with ethanol (3×5 mL), hexanes (10 mL), and ether (3×10 mL). The solid was dried under vacuum to afford a white solid (85.1 g, 76.4%). LC-MS m/z 383.1 (M+1). 1H NMR (400 MHz, DMSO-d6) δ ppm 1.58 (s, 3 H) 2.11-2.23 (m, 0 H) 2.41-2.55 (m, 1 H) 3.12 (s, 3 H) 3.73-3.84 (m, 1 H) 3.99-4.11 (m, 1 H) 6.53 (d, J=7.61 Hz, 1 H) 7.41-7.73 (m, 5 H) 8.04 (d, J=6.44 Hz, 1 H) 9.24 (s, 1 H) 11.10 (s, 1 H).

後処理

  1. temperatureThe solution was heated
  2. customthe volatiles were removed in vacuo
  3. customThe solid was triturated in ethanol (5 mL)
  4. filtrationcollected via filtration
  5. washwashed with ethanol (3×5 mL), hexanes (10 mL), and ether (3×10 mL)
  6. customThe solid was dried under vacuum

出典と根拠

ORDレコード
ord-9dc6d173b68345018c6891ed8fd11969
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08846933B2

反応ノート

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