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Bromoacetyl bromide → {2-[(2-Bromoacetyl)-(5-fluoro-2-methylphenyl)amino]-1,1-dimethylethyl}carbamic acid t-butyl ester

HRID 1694942
ノート
印刷プレビュー

反応式

HRID 1694942 の反応式
[Br:1][CH2:2][C:3](Br)=[O:4].[C:6]([O:10][C:11](=[O:26])[NH:12][C:13]([CH3:25])([CH3:24])[CH2:14][NH:15][C:16]1[CH:21]=[C:20]([F:22])[CH:19]=[CH:18][C:17]=1[CH3:23])([CH3:9])([CH3:8])[CH3:7].C(=O)(O)[O-].[Na+]>CN(C)C(=O)C>[C:6]([O:10][C:11](=[O:26])[NH:12][C:13]([CH3:25])([CH3:24])[CH2:14][N:15]([C:3](=[O:4])[CH2:2][Br:1])[C:16]1[CH:21]=[C:20]([F:22])[CH:19]=[CH:18][C:17]=1[CH3:23])([CH3:9])([CH3:8])[CH3:7]
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 61147Bromoacetyl bromideHCID 516892Sodium BicarbonateHCID 66645553[1,1-Dimethyl-2-(5-fluoro-2-methylphenylamino)ethyl]carbamic acid t-butyl ester

生成物 1

HCID 66645460{2-[(2-Bromoacetyl)-(5-fluoro-2-methylphenyl)amino]-1,1-dimethylethyl}carbamic acid t-butyl ester収率 89.1%

試薬・触媒・溶媒 1

HCID 31374Dimethylacetamide
溶媒

実験手順

1.67 ml of bromoacetyl bromide (19.1 mmol) was added to a solution of 5.68 g of [1,1-dimethyl-2-(5-fluoro-2-methylphenylamino)ethyl]carbamic acid t-butyl ester obtained in Example (70a) (19.1 mmol) in N,N-dimethylacetamide (95 ml) under ice-cooling, and the mixture was stirred at the same temperature for 10 minutes. A saturated sodium bicarbonate aqueous solution was added to the reaction mixture, followed by extraction with ethyl acetate. Then, the organic layer was washed with water and brine and dried over anhydrous magnesium sulfate. After filtration, the solvent was evaporated under reduced pressure. Hexane was added to the residue, and the solid was collected by filtration to obtain 7.1 g of the title compound (yield: 89%).

後処理

  1. temperaturecooling
  2. extractionfollowed by extraction with ethyl acetate
  3. washThen, the organic layer was washed with water and brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. filtrationAfter filtration
  6. customthe solvent was evaporated under reduced pressure
  7. additionHexane was added to the residue
  8. filtrationthe solid was collected by filtration

出典と根拠

ORDレコード
ord-6604fb182c474c0b9060490cea280215
出典データセット
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08158790B2

反応ノート

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