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

HRID 1694942
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HRID 1694942 반응식
[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]
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참가 물질

5

반응물 3

HCID 61147Bromoacetyl bromideHCID 516892Sodium BicarbonateHCID 66645553[1,1-Dimethyl-2-(5-fluoro-2-methylphenylamino)ethyl]carbamic acid t-butyl ester

생성물 1

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

시약·촉매·용매 1

HCID 31374Dimethylacetamide
용매

실험 절차

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%).

후처리

  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

출처 및 근거

ORD 기록
ord-6604fb182c474c0b9060490cea280215
출처 데이터셋
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08158790B2

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