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Water → 3-(4-chloro-6-fluoro-3-methoxy-2-nitrophenyl)-1-methyl-6-trifluoromethyl-2,4(1H, 3H)-pyrimidinedione

HRID 1265347
ノート
印刷プレビュー

反応式

HRID 1265347 の反応式
[Cl:1][C:2]1[CH:7]=[C:6]([F:8])[C:5]([N:9]2[C:14](=[O:15])[CH:13]=[C:12]([C:16]([F:19])([F:18])[F:17])[NH:11][C:10]2=[O:20])=[C:4]([N+:21]([O-:23])=[O:22])[C:3]=1[O:24][CH3:25].[C:26](=O)([O-])[O-].[K+].[K+].COS(OC)(=O)=O.O>CN(C)C=O>[Cl:1][C:2]1[CH:7]=[C:6]([F:8])[C:5]([N:9]2[C:14](=[O:15])[CH:13]=[C:12]([C:16]([F:18])([F:17])[F:19])[N:11]([CH3:26])[C:10]2=[O:20])=[C:4]([N+:21]([O-:23])=[O:22])[C:3]=1[O:24][CH3:25]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 962WaterHCID 6497Dimethyl SulfateHCID 11430Potassium CarbonateHCID 865858983-(4Chloro-6-fluoro-3-methoxy-2-nitrophenyl)-6-trifluoromethyl-2,4(1H, 3H)-pyrimidinedione

生成物 1

HCID 541638193-(4-chloro-6-fluoro-3-methoxy-2-nitrophenyl)-1-methyl-6-trifluoromethyl-2,4(1H, 3H)-pyrimidinedione収率 83.5%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

3-(4-Chloro-6-fluoro-3-methoxy-2-nitrophenyl)-6-trifluoromethyl-2,4(1H, 3H)-pyrimidinedione (9 g, 23.5 mmol) was dissolved in dimethylformamide (90 ml) and to this were added potassium carbonate (3.9 g, 28.2 mmol) and dimethylsulfate (10.2 g, 47 mmol) with stirring. The solution was stirred at ambient temperature for 12 hr and water was added. Product was extracted in ethyl acetate and the organic layer was washed with water and dried over anhydrous sodium sulfate. Removal of the solvent afforded a crude product which was purified by column chromatography on silica gel. Elution of the column with methylene chloride afforded the title compound (7.8 g).

後処理

  1. stirringThe solution was stirred at ambient temperature for 12 hr
  2. extractionProduct was extracted in ethyl acetate
  3. washthe organic layer was washed with water
  4. dry with materialdried over anhydrous sodium sulfate
  5. customRemoval of the solvent
  6. customafforded a crude product which
  7. customwas purified by column chromatography on silica gel
  8. washElution of the column with methylene chloride

出典と根拠

ORDレコード
ord-631115412a2e40e69b24109133ce87d3
出典データセット
uspto-grants-2003_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06545161B2

反応ノート

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