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Water → 2-(2,3,6-Trifluorophenyl)ethan-1-ol

HRID 2107604
ノート
印刷プレビュー

反応式

HRID 2107604 の反応式
[H-].[Al+3].[Li+].[H-].[H-].[H-].[F:7][C:8]1[C:13]([F:14])=[CH:12][CH:11]=[C:10]([F:15])[C:9]=1[CH2:16][C:17](O)=[O:18].O.[OH-].[Na+]>C(OCC)C>[F:7][C:8]1[C:13]([F:14])=[CH:12][CH:11]=[C:10]([F:15])[C:9]=1[CH2:16][CH2:17][OH:18]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 962Water2 回HCID 14798Sodium HydroxideHCID 27779482,3,6-Trifluorophenylacetic acidHCID 21226445Aluminium lithium hydride

生成物 1

HCID 148346752-(2,3,6-Trifluorophenyl)ethan-1-ol収率 102.5%

試薬・触媒・溶媒 1

HCID 3283Diethyl Ether
溶媒
3 回

実験手順

Lithium aluminum hydride (0.8 g) is suspended in dry diethyl ether (5 ml) and the mixture is stirred. To the mixture is added dropwise a solution of 2-(2,3,6-trifluorophenyl)acetic acid (2.0 g) in dry diethyl ether (15 ml), and the mixture is refluxed for 30 minutes. To the reaction mixture are added water (0.8 ml), 10% aqueous sodium hydroxide (0.8 ml) and water (1.6 ml) in this order, and the mixture is stirred at room temperature. To the mixture is added diethyl ether (10 ml), and the resulting precipitates are separated by filtration and washed with tetrahydrofuran. The washing liquid and the filtrate are combined and then concentrated under reduced pressure to give 2-(2,3,6-trifluorophenyl)ethyl alcohol (1.9 g), as colorless oil.

後処理

  1. temperaturethe mixture is refluxed for 30 minutes
  2. stirringthe mixture is stirred at room temperature
  3. customthe resulting precipitates
  4. customare separated by filtration
  5. washwashed with tetrahydrofuran
  6. concentrationconcentrated under reduced pressure

出典と根拠

ORDレコード
ord-b0d881b438224d82a4269f724d22e5a4
出典データセット
uspto-grants-1990_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04935420

反応ノート

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