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

HRID 369584
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HRID 369584 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[S:12][N:11]=2)=[CH:5][CH:4]=1.[C:31](=O)([O-])[O-].[K+].[K+].IC>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[S:12][N:11]=2)=[CH:5][CH:4]=1
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참가 물질

5

반응물 3

HCID 6328Methyl iodideHCID 11430Potassium CarbonateHCID 701000153-[3-(6-Methoxy-m-tolyl)-1,2-benzisothiazol-5-yl)-6-(trifluoromethyl)-2,4(1H,3H)-pyrimidinedione

생성물 1

HCID 700990583-[3-(6-Methoxy-m-tolyl)-1,2-benzisothiazol-5-yl]-1-methyl-6-(trifluoromethyl)-2,4(1H,3H)-pyrimidinedione수율 98.8%

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매

실험 절차

A mixture of 3-[3-(6-methoxy-m-tolyl)-1,2-benzisothiazol-5-yl]-6-(trifluoromethyl)-2,4(1H,3H)-pyrimidinedione (160 g, 0.369 mol), potassium carbonate (76.6 g, 0.554 mol) and iodomethane (34.5 mL, 0.554 mol) in N,N-dimethylformamide is stirred at room temperature for 4 hours, and poured onto ice. The resultant aqueous mixture is extracted with methylene chloride. The organic extract is diluted with hexanes, washed with water, dried over anhydrous magnesium sulfate, and concentrated in vacuo to obtain the title product as an orange foam (163 g, 98.8%) which is identified by NMR spectral analyses.

후처리

  1. additionpoured onto ice
  2. extractionThe resultant aqueous mixture is extracted with methylene chloride
  3. extractionThe organic extract
  4. additionis diluted with hexanes
  5. washwashed with water
  6. dry with materialdried over anhydrous magnesium sulfate
  7. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-f8fdca6c13c24622878ea0587de4d7b9
출처 데이터셋
uspto-grants-2000_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06140270

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