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1-Tert-butyl-4-isocyanatobenzene → 1-(4-Tert-butylphenyl)-3-(3-(6,7-dimethoxyquinazolin-4-yloxy)phenyl)urea

HRID 871546
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HRID 871546 반응식
[CH3:1][O:2][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][C:12]=1[O:13][CH3:14])[N:9]=[CH:8][N:7]=[C:6]2[O:15][C:16]1[CH:17]=[C:18]([CH:20]=[CH:21][CH:22]=1)[NH2:19].[C:23]([C:27]1[CH:32]=[CH:31][C:30]([N:33]=[C:34]=[O:35])=[CH:29][CH:28]=1)([CH3:26])([CH3:25])[CH3:24]>CN(C=O)C.O>[C:23]([C:27]1[CH:32]=[CH:31][C:30]([NH:33][C:34]([NH:19][C:18]2[CH:20]=[CH:21][CH:22]=[C:16]([O:15][C:6]3[C:5]4[C:10](=[CH:11][C:12]([O:13][CH3:14])=[C:3]([O:2][CH3:1])[CH:4]=4)[N:9]=[CH:8][N:7]=3)[CH:17]=2)=[O:35])=[CH:29][CH:28]=1)([CH3:26])([CH3:24])[CH3:25]
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참가 물질

5

반응물 2

HCID 27356951-Tert-butyl-4-isocyanatobenzeneHCID 498410023-[(6,7-Dimethoxy-4-quinazolinyl)oxy]aniline

생성물 1

HCID 566724361-(4-Tert-butylphenyl)-3-(3-(6,7-dimethoxyquinazolin-4-yloxy)phenyl)urea수율 38%

시약·촉매·용매 2

HCID 962Water용매HCID 6228Dimethylformamide용매

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온도
50 °C

실험 절차

To 3-(6,7-dimethoxyquinazolin-4-yloxy)aniline from Example 113A (89 mg, 0.3 mmol) in DMF (3 mL) was added 4-tert-butylphenyl isocyanate (54 μL, 0.3 mmol) and the solution stirred at 50° C. for 4 h. The reaction was allowed to cool to room temperature, diluted with H2O, and extracted with EtOAc. The organic layer was washed with brine, dried over MgSO4, filtered, concentrated in vacuo, and purified by column chromatography (25-100% EtOAc/hexanes) to give 1-(4-tert-butylphenyl)-3-(3-(6,7-dimethoxyquinazolin-4-yloxy)phenyl)urea (54 mg, 0.11 mmol, 38%). 1H NMR (300 MHz, DMSO-d6) δ 8.83 (s, 1H), 8.65 (s, 1H), 8.57 (s, 1H), 7.60 (s, 1H), 7.56 (s, 1H), 7.40-7.21 (m, 7H), 6.91 (d, 1H), 3.99 (s, 6H), 1.25 (s, 9H); LC-MS (ESI) m/z 473 (M+H)+.

후처리

  1. temperatureto cool to room temperature
  2. extractionextracted with EtOAc
  3. washThe organic layer was washed with brine
  4. dry with materialdried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. custompurified by column chromatography (25-100% EtOAc/hexanes)

출처 및 근거

ORD 기록
ord-f55ad6b340ae44989c367a956fd4490b
출처 데이터셋
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08969587B2

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