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4-Methoxyphenol → 4-(4-Methoxyphenoxy)quinazoline

HRID 1436266
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반응식

HRID 1436266 반응식
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([OH:9])=[CH:5][CH:4]=1.Cl[C:11]1[C:20]2[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=2)[N:14]=[CH:13][N:12]=1.[H-].[Na+]>CN(C=O)C>[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([O:9][C:11]2[C:20]3[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=3)[N:14]=[CH:13][N:12]=2)=[CH:5][CH:4]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 90154-MethoxyphenolHCID 24758Sodium hydrideHCID 788644-Chloroquinazoline

생성물 1

HCID 238485294-(4-Methoxyphenoxy)quinazoline수율 89%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

To a stirred solution of 4-methoxyphenol (75 mg, 0.60 mmol) and 4-chloro-quinazoline (125 mg, 76 mmol) in 3 mL of DMF was added sodium hydride (60% oil suspension, 30 mg, 0.75 mmol) at 0° C., then the reaction mixture was allowed to warm to room temperature and stirred for 5 h. The reaction was quenched by adding 50 uL of water and diluted with 25 mL of ethyl acetate. It was washed with water (25 mL×3), saturated NaCl, dried over anhydrous MgSO4, filtered and concentrated. The residue was purified by chromatography (25% ethyl acetate/hexanes) to give the title compound (134 mg, 0.53 mmol, 89%). 1H NMR (CDCl3): 8.78 (s, 1H), 8.38 (m, 1H), 7.89-8.02 (m, 2H), 7.67 (m, 1H), 7.19 (m, 1H), 7.00 (m, 1H), 3.86 (s, 3H).

후처리

  1. customThe reaction was quenched
  2. additionby adding 50 uL of water
  3. additiondiluted with 25 mL of ethyl acetate
  4. washIt was washed with water (25 mL×3), saturated NaCl
  5. dry with materialdried over anhydrous MgSO4
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customThe residue was purified by chromatography (25% ethyl acetate/hexanes)

출처 및 근거

ORD 기록
ord-c241e9051d3c4e048bd6bce0d3713e91
출처 데이터셋
uspto-grants-2009_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07618975B2

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