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Methyl iodide → 4-(4-Bromo-2-fluorophenoxy)-6-methoxy-7-(3-(N-methyl N-methylsulphonylamino)propoxy)quinazoline

HRID 454126
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HRID 454126 반응식
[Br:1][C:2]1[CH:29]=[CH:28][C:5]([O:6][C:7]2[C:16]3[C:11](=[CH:12][C:13]([O:19][CH2:20][CH2:21][CH2:22][NH:23][S:24]([CH3:27])(=[O:26])=[O:25])=[C:14]([O:17][CH3:18])[CH:15]=3)[N:10]=[CH:9][N:8]=2)=[C:4]([F:30])[CH:3]=1.[H-].[Na+].[CH3:33]I>CN(C=O)C>[Br:1][C:2]1[CH:29]=[CH:28][C:5]([O:6][C:7]2[C:16]3[C:11](=[CH:12][C:13]([O:19][CH2:20][CH2:21][CH2:22][N:23]([CH3:33])[S:24]([CH3:27])(=[O:26])=[O:25])=[C:14]([O:17][CH3:18])[CH:15]=3)[N:10]=[CH:9][N:8]=2)=[C:4]([F:30])[CH:3]=1
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참가 물질

5

반응물 3

HCID 6328Methyl iodideHCID 24758Sodium hydrideHCID 220307624-(4-bromo-2-fluorophenoxy)-6-methoxy-7-(3-(N-methylsulphonylamino)propoxy)quinazoline

생성물 1

HCID 220307614-(4-Bromo-2-fluorophenoxy)-6-methoxy-7-(3-(N-methyl N-methylsulphonylamino)propoxy)quinazoline수율 83.6%

시약·촉매·용매 1

HCID 6228Dimethylformamide
용매

실험 절차

4-(4-Bromo-2-fluorophenoxy)-6-methoxy-7-(3-(N-methylsulphonylamino)propoxy)quinazoline (1.0 g, 2 mmol) was taken up in DMF (10 ml), treated with sodium hydride (60% dispersion in mineral oil, 0.11 g, 2.7 mmol) and stirred, under nitrogen for 30 minutes. Methyl iodide (0.16 ml, 2.6 mmol) was added and the mixture stirred for 18 hours. The solvent was removed by evaporation and the residue taken up in water and extracted with dichloromethane (3×30 ml). The organic solution was then washed with water, brine, dried (MgSO4) and evaporated to dryness. The crude product was purified by silica column chromatography eluting with methanol (2.5 to 5%) in dichloromethane to give 4-(4-bromo-2-fluorophenoxy)-6-methoxy-7-(3-(N-methyl N-methylsulphonylamino) propoxy)quinazoline (0.86 g, 83%).

후처리

  1. stirringthe mixture stirred for 18 hours
  2. customThe solvent was removed by evaporation
  3. extractionextracted with dichloromethane (3×30 ml)
  4. washThe organic solution was then washed with water, brine
  5. dry with materialdried (MgSO4)
  6. customevaporated to dryness
  7. customThe crude product was purified by silica column chromatography
  8. washeluting with methanol (2.5 to 5%) in dichloromethane

출처 및 근거

ORD 기록
ord-5e90d09b1b2e4adebb9d97df7fb5f0f6
출처 데이터셋
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08492560B2

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