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Sodium hydride → 7-(2-Fluoro-4-nitrophenoxy)-2-(1-(2-methoxyethyl)-1H-imidazol-4-yl)thieno[3,2-b]pyridine

HRID 1261228
ノート
印刷プレビュー

反応式

HRID 1261228 の反応式
[F:1][C:2]1[CH:22]=[C:21]([N+:23]([O-:25])=[O:24])[CH:20]=[CH:19][C:3]=1[O:4][C:5]1[CH:10]=[CH:9][N:8]=[C:7]2[CH:11]=[C:12]([C:14]3[N:15]=[CH:16][NH:17][CH:18]=3)[S:13][C:6]=12.[H-].[Na+].Br[CH2:29][CH2:30][O:31][CH3:32]>CN(C=O)C>[F:1][C:2]1[CH:22]=[C:21]([N+:23]([O-:25])=[O:24])[CH:20]=[CH:19][C:3]=1[O:4][C:5]1[CH:10]=[CH:9][N:8]=[C:7]2[CH:11]=[C:12]([C:14]3[N:15]=[CH:16][N:17]([CH2:29][CH2:30][O:31][CH3:32])[CH:18]=3)[S:13][C:6]=12
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 809722-Bromoethyl methyl etherHCID 178526697HCID 178526697、化合物

生成物 1

HCID 594246387-(2-Fluoro-4-nitrophenoxy)-2-(1-(2-methoxyethyl)-1H-imidazol-4-yl)thieno[3,2-b]pyridine収率 36.2%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

To a solution of 93 (300 mg, 0.84 mmol) in dry DMF (3 ml) at 0° C. was added NaH (40 mg, 60% dispersion in oil, 1.0 mmol). The mixture was allowed to warm to room temperature over 0.5 h then re-cooled to 0° C. Bromoethylmethyl ether (123 mg, 0.88 mmol) was added and mixture was allowed to warm to room temperature over 20 hours, concentrated and partitioned between EtOAc and water. The EtOAc phase was dried over anhydrous Na2SO4, filtered, concentrated and purified by column chromatography (eluents hexane and acetone/hexane 75:25) to afford the title compound 94 (126 mg, 36% yield) as a pale yellow solid. MS (m/z) 415.1.0 (M+H).

後処理

  1. temperaturethen re-cooled to 0° C
  2. temperatureto warm to room temperature over 20 hours
  3. concentrationconcentrated
  4. custompartitioned between EtOAc and water
  5. dry with materialThe EtOAc phase was dried over anhydrous Na2SO4
  6. filtrationfiltered
  7. concentrationconcentrated
  8. custompurified by column chromatography (eluents hexane and acetone/hexane 75:25)

出典と根拠

ORDレコード
ord-22ac7af225734bbeb36071f8d619d5a6
出典データセット
uspto-grants-2013_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08470850B2

反応ノート

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