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Methyl iodide → 3-[3-(6-Methoxy-m-tolyl)-1,2-benzisoxazol-5-yl]-1-methyl-6-(trifluoromethyl)-2,4(1H,3H)-pyrimidinedione

HRID 277359
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HRID 277359 반응식
[CH3:1][O:2][C:3]1[C:8]([CH3:9])=[CH:7][C:6]([C:10]2[C:14]3[CH:15]=[C:16]([N:19]4[C:24](=[O:25])[CH:23]=[C:22]([C:26]([F:29])([F:28])[F:27])[NH:21][C:20]4=[O:30])[CH:17]=[CH:18][C:13]=3[O:12][N:11]=2)=[CH:5][CH:4]=1.[C:31](=O)([O-])[O-].[K+].[K+].CI>CN(C)C=O>[CH3:1][O:2][C:3]1[C:8]([CH3:9])=[CH:7][C:6]([C:10]2[C:14]3[CH:15]=[C:16]([N:19]4[C:24](=[O:25])[CH:23]=[C:22]([C:26]([F:28])([F:29])[F:27])[N:21]([CH3:31])[C:20]4=[O:30])[CH:17]=[CH:18][C:13]=3[O:12][N:11]=2)=[CH:5][CH:4]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

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반응물 3

HCID 6328Methyl iodideHCID 11430Potassium CarbonateHCID 700979223-[3-(6-Methoxy-m-tolyl)-1,2-benzisoxazol-5-yl]-6-(trifluoromethyl)-2,4(1H,3H)-pyrimidinedione

생성물 1

HCID 700990493-[3-(6-Methoxy-m-tolyl)-1,2-benzisoxazol-5-yl]-1-methyl-6-(trifluoromethyl)-2,4(1H,3H)-pyrimidinedione

시약·촉매·용매 1

HCID 6228Dimethylformamide
용매

실험 절차

A mixture of 3-[3-(6-methoxy-m-tolyl)-1,2-benzisoxazol-5-yl]-6-(trifluoromethyl)-2,4(1H,3H)-pyrimidinedione (10.5 g, 0.0255 mol) and potassium carbonate (7.04 g, 0.051 mol) in N,N-dimethylformamide is stirred for 15 minutes, treated with methyl iodide (7.24 g, 0.051 mol), stirred overnight, and poured onto ice. The resultant aqueous mixture is extracted with methylene chloride. The organic extracts are combined, washed with water, dried over anhydrous sodium sulfate, and concentrated in vacuo to obtain a brown glass. Dry column chromatography of the glass using silica gel and a hexanes/ethyl acetate solution (3:1) gives the title product as an off-white solid which is identified by NMR spectral analyses.

후처리

  1. stirringstirred overnight
  2. additionpoured onto ice
  3. extractionThe resultant aqueous mixture is extracted with methylene chloride
  4. washwashed with water
  5. dry with materialdried over anhydrous sodium sulfate
  6. concentrationconcentrated in vacuo
  7. customto obtain a brown glass
  8. customDry column chromatography of the glass

출처 및 근거

ORD 기록
ord-55f3306688b441cf86ec414fa92feed1
출처 데이터셋
uspto-grants-2002_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06355796B1

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