1-(4-(4-Bromophenoxy)phenyl)ethanone → 2-[4-(4-Bromo-phenoxy)-phenyl]-propan-2-ol

HRID 404707

反応式

HRID 404707 の反応式
[CH3:1][Mg]Br.[Br:4][C:5]1[CH:20]=[CH:19][C:8]([O:9][C:10]2[CH:15]=[CH:14][C:13]([C:16](=[O:18])[CH3:17])=[CH:12][CH:11]=2)=[CH:7][CH:6]=1>C1COCC1>[Br:4][C:5]1[CH:20]=[CH:19][C:8]([O:9][C:10]2[CH:15]=[CH:14][C:13]([C:16]([OH:18])([CH3:1])[CH3:17])=[CH:12][CH:11]=2)=[CH:7][CH:6]=1

参加物

4

反応物 2

HCID 108034801-(4-(4-Bromophenoxy)phenyl)ethanoneHCID 178418573HCID 178418573、化合物

生成物 1

HCID 595717062-[4-(4-Bromo-phenoxy)-phenyl]-propan-2-ol

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒2 回

実験手順

A 1.4 M solution of methylmagnesium bromide in THF (7.36 ml; 10.304 mmol) was added to a stirred solution of 4′-(4-bromophenoxy)acetophenone (1 g, 3.435 mmol; [CAS: 54916-27-7]) in THF (40 ml) at 0° C. under a nitrogen atmosphere. The reaction mixture was stirred for 3 hours. The reaction was quenched by the addition of an aqueous solution of saturated ammonium chloride and extracted with EtOAc. The combined organic extracts were dried (Na2SO4) and the solvent was evaporated to dryness. The crude residue was purified by column chromatography (silica gel; DCM as eluent). The desired fractions were collected and evaporated in vacuo to yield intermediate D28 (0.8 g, 75%).

後処理

  1. customThe reaction was quenched by the addition of an aqueous solution of saturated ammonium chloride
  2. extractionextracted with EtOAc
  3. dry with materialThe combined organic extracts were dried (Na2SO4)
  4. customthe solvent was evaporated to dryness
  5. customThe crude residue was purified by column chromatography (silica gel; DCM as eluent)
  6. customThe desired fractions were collected
  7. customevaporated in vacuo
  8. customto yield intermediate D28 (0.8 g, 75%)

出典と根拠

ORDレコード
ord-8a68486e3561456682eab521fb7a47bb
出典データセット
uspto-grants-2014_06
特許番号
US08748621B2

関連ノート

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