Benzene, 1,2-dichloro-4-iodo- → 3-(3,4-Dichlorophenyl)propanal

HRID 1971830

反応式

HRID 1971830 の反応式
[Cl:1][C:2]1[CH:7]=[CH:6][C:5](I)=[CH:4][C:3]=1[Cl:9].[CH:10]([OH:13])=[CH:11][CH3:12].C([O-])(O)=O.[Na+]>CN(C=O)C.[N+](CCCC)(CCCC)(CCCC)CCCC.[Cl-].CC([O-])=O.CC([O-])=O.[Pd+2]>[Cl:9][C:3]1[CH:4]=[C:5]([CH2:12][CH2:11][CH:10]=[O:13])[CH:6]=[CH:7][C:2]=1[Cl:1]

参加物

7

反応条件

温度
50 °C

実験手順

To a solution of 1,2-dichloro-4-iodobenzene (5.44 g, 20 mmol) in DMF (60 ml) was added Bu4NCl (5.56 g, 20 mmol), propenol (4.64 g, 80 mmol), Pd(OAc)2 (224 mg, 1 mmol) and NaHCO3 (10.0 g, 120 mmol) successively at room temperature. The mixture was heated at 50° C. for 12 hour. After cooling to the room temperature, the mixture was poured into ice-water, extracted with DCM three times. The combined organic layers were washed with brine, dried over Na2SO4 and concentrated under reduced pressure. The residue was purified by column chromatography using PE/EA (20/1) as eluent to afford the title compound (2.01 g, yield 49.8%).

後処理

  1. temperatureAfter cooling to the room temperature
  2. extractionextracted with DCM three times
  3. washThe combined organic layers were washed with brine
  4. dry with materialdried over Na2SO4
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified by column chromatography

出典と根拠

ORDレコード
ord-46f948d4cafa4b82864e6dd87d3cfd78
出典データセット
uspto-grants-2013_04
特許番号
US08431581B2

関連ノート

読み込み中…