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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 1274548
ノート
印刷プレビュー

反応式

HRID 1274548 の反応式
[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
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

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

生成物 1

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

試薬・触媒・溶媒 1

HCID 6228
Dimethylformamide
溶媒

実験手順

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 vacua to obtain the title product as an orange foam (163 g, 98.8%) which is identified by NMR spectral analyses.

後処理

  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 vacua

出典と根拠

ORDレコード
ord-d8aba803f57445048a0f2de9f8a91d18
出典データセット
uspto-grants-2000_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06156700

反応ノート

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