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Hydroxylamine HCl → 1-Ethoxycarbonylmethyl-7-(3-hydroxyiminomethyl-1-pyrrolyl)-6-trifluoromethyl-2,3(1H,4H)-quinoxalinedione

HRID 1458874
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HRID 1458874 반응식
[CH2:1]([O:3][C:4]([CH2:6][N:7]1[C:16]2[C:11](=[CH:12][C:13]([C:24]([F:27])([F:26])[F:25])=[C:14]([N:17]3[CH:21]=[CH:20][C:19]([CH:22]=O)=[CH:18]3)[CH:15]=2)[NH:10][C:9](=[O:28])[C:8]1=[O:29])=[O:5])[CH3:2].[Cl-].[OH:31][NH3+:32].C([O-])(=O)C.[Na+]>O.CCO>[CH2:1]([O:3][C:4]([CH2:6][N:7]1[C:16]2[C:11](=[CH:12][C:13]([C:24]([F:27])([F:26])[F:25])=[C:14]([N:17]3[CH:21]=[CH:20][C:19]([CH:22]=[N:32][OH:31])=[CH:18]3)[CH:15]=2)[NH:10][C:9](=[O:28])[C:8]1=[O:29])=[O:5])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 21645Hydroxylamine HClHCID 517045Sodium AcetateHCID 153379971-(Ethoxycarbonylmethyl)-7-(3-formyl-1-pyrrolyl)-6-trifluoromethyl-2,3(1H,4H)-quinoxalinedione

생성물 1

HCID 542796031-Ethoxycarbonylmethyl-7-(3-hydroxyiminomethyl-1-pyrrolyl)-6-trifluoromethyl-2,3(1H,4H)-quinoxalinedione수율 130%

시약·촉매·용매 1

HCID 19096565
Water ethanol
용매

실험 절차

1.2 g (2.9 mmol) of the compound from Example 70, 0.4 g (6 mmol) of hydroxylammonium chloride and 0.48 g (6 mmol) of sodium acetate in 45 ml of H2O/EtOH (2:1) were refluxed for 30 minutes. The organic solvent was removed under reduced pressure, and the resulting aqueous phase was extracted with ethyl acetate. The organic phase was dried and concentrated under reduced pressure. The residue was recrystallized from ethanol to yield 1.6 g (70%) of the product. Melting point >250° C.

후처리

  1. customThe organic solvent was removed under reduced pressure
  2. extractionthe resulting aqueous phase was extracted with ethyl acetate
  3. customThe organic phase was dried
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was recrystallized from ethanol

출처 및 근거

ORD 기록
ord-953068f96e9e4c6fa64936f7626fc009
출처 데이터셋
uspto-grants-1998_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05852017

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