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Dimethyl Sulfate → 3-(4-chloro-5-ethylsulfonylamino-2-fluorophenyl)-1-methyl-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedione

HRID 36803
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HRID 36803 반응식
[Cl:1][C:2]1[C:7]([NH:8][S:9]([CH2:12][CH3:13])(=[O:11])=[O:10])=[CH:6][C:5]([N:14]2[C:19](=[O:20])[CH:18]=[C:17]([C:21]([F:24])([F:23])[F:22])[NH:16][C:15]2=[O:25])=[C:4]([F:26])[CH:3]=1.[C:27](=O)([O-])[O-].[K+].[K+].S(OC)(OC)(=O)=O>CC(C)=O>[Cl:1][C:2]1[C:7]([NH:8][S:9]([CH2:12][CH3:13])(=[O:11])=[O:10])=[CH:6][C:5]([N:14]2[C:19](=[O:20])[CH:18]=[C:17]([C:21]([F:24])([F:22])[F:23])[N:16]([CH3:27])[C:15]2=[O:25])=[C:4]([F:26])[CH:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 6497Dimethyl SulfateHCID 11430Potassium CarbonateHCID 111124793-(4-chloro-5-ethylsulfonylamino-2-fluorophenyl)-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedione

생성물 1

HCID 154053043-(4-chloro-5-ethylsulfonylamino-2-fluorophenyl)-1-methyl-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedione수율 118.3%

시약·촉매·용매 1

HCID 180
Acetone
용매

실험 절차

1.00 g (2.41 mmol) of 3-(4-chloro-5-ethylsulfonylamino-2-fluorophenyl)-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedione was dissolved in 10 ml of acetone, and 0.17 g (1.20 mmol) of anhydrous potassium carbonate and 0.23 ml (2.41 mmol) of dimethyl sulfate were added thereto and the reaction was continued for 1.5 hours. After acetone was distilled off, the reaction product was dissolved in ethyl acetate, washed with water and saturated saline solution, and dried over anhydrous sodium sulfate. Thereafter the ethyl acetate was distilled off to obtain a crude product. The crude product was recrystallized from chloroformdiethyl ether, thereby obtaining 0.61 g of the objective product (yield: 59%) in the form of light yellow crystals.

후처리

  1. distillationAfter acetone was distilled off
  2. dissolutionthe reaction product was dissolved in ethyl acetate
  3. washwashed with water and saturated saline solution
  4. dry with materialdried over anhydrous sodium sulfate
  5. distillationThereafter the ethyl acetate was distilled off
  6. customto obtain a crude product
  7. customThe crude product was recrystallized from chloroformdiethyl ether

출처 및 근거

ORD 기록
ord-30fbf4b7c40d4fae8e27479de6bcd0ff
출처 데이터셋
uspto-grants-1995_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05416236

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