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Sodium hydride → [3-[(tert-Butoxycarbonyl-methyl-amino)-methyl]-4-(propane-2-sulfonyl)-phenyl]-carbamic acid 2-(4-bromo-2-ethyl-phenyl)-ethyl ester

HRID 735617
ノート
印刷プレビュー

反応式

HRID 735617 の反応式
[H-].[Na+].C1([O:9][C:10](=[O:34])[NH:11][C:12]2[CH:17]=[CH:16][C:15]([S:18]([CH:21]([CH3:23])[CH3:22])(=[O:20])=[O:19])=[C:14]([CH2:24][N:25]([C:27]([O:29][C:30]([CH3:33])([CH3:32])[CH3:31])=[O:28])[CH3:26])[CH:13]=2)C=CC=CC=1.[Br:35][C:36]1[CH:41]=[CH:40][C:39]([CH2:42][CH2:43]O)=[C:38]([CH2:45][CH3:46])[CH:37]=1>C1COCC1>[Br:35][C:36]1[CH:41]=[CH:40][C:39]([CH2:42][CH2:43][O:9][C:10](=[O:34])[NH:11][C:12]2[CH:17]=[CH:16][C:15]([S:18]([CH:21]([CH3:23])[CH3:22])(=[O:20])=[O:19])=[C:14]([CH2:24][N:25]([C:27]([O:29][C:30]([CH3:32])([CH3:33])[CH3:31])=[O:28])[CH3:26])[CH:13]=2)=[C:38]([CH2:45][CH3:46])[CH:37]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 24758Sodium hydrideHCID 578427842-(4-Bromo-2-ethylphenyl)ethanolHCID 57842905[3-[(tert-Butoxycarbonyl-methyl-amino)-methyl]-4-(propane-2-sulfonyl)-phenyl]-carbamic acid phenyl ester

生成物 1

HCID 57842899[3-[(tert-Butoxycarbonyl-methyl-amino)-methyl]-4-(propane-2-sulfonyl)-phenyl]-carbamic acid 2-(4-bromo-2-ethyl-phenyl)-ethyl ester収率 92%

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒

実験手順

NaH (190 mg, 4.7 mmol) was added in one portion to a solution of 16G (547 mg, 1.2 mmol) and 36B (1000 mg, 4.4 mmol) in THF (20 mL) at −40° C. The reaction was warmed slowly to ambient temperature over 2 h and stirred for 15 h. The reaction was quenched with saturated citric acid and diluted with EtOAc. The mixture washed with brine, dried over Na2SO4 and concentrated in vacuo. The crude product was purified by flash chromatography (0% to 100% EtOAc in hexanes) to afford 43A (650 mg, 92%) as a yellow solid. MS (ESI) m/z 597.1/599.1 (M+H)+.

後処理

  1. customThe reaction was quenched with saturated citric acid
  2. additiondiluted with EtOAc
  3. washThe mixture washed with brine
  4. dry with materialdried over Na2SO4
  5. concentrationconcentrated in vacuo
  6. customThe crude product was purified by flash chromatography (0% to 100% EtOAc in hexanes)

出典と根拠

ORDレコード
ord-9ab51c9227fd4cea910b3c912a424db7
出典データセット
uspto-grants-2009_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07592331B2

反応ノート

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