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Toluene → 4-tert-butyl-N-{5-(4-methylphenyl)-6-[2-(4-(5-tetrazolyl)phenoxy)ethoxy]-pyrimidin-4-yl}benzensulfonamide

HRID 2286
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HRID 2286 반응식
[C:1]([C:5]1[CH:10]=[CH:9][C:8]([S:11]([NH:14][C:15]2[C:20]([C:21]3[CH:26]=[CH:25][C:24]([CH3:27])=[CH:23][CH:22]=3)=[C:19]([O:28][CH2:29][CH2:30][O:31][C:32]3[CH:37]=[CH:36][C:35]([C:38]#[N:39])=[CH:34][CH:33]=3)[N:18]=[CH:17][N:16]=2)(=[O:13])=[O:12])=[CH:7][CH:6]=1)([CH3:4])([CH3:3])[CH3:2].C([Sn]([N:53]=[N+:54]=[N-:55])(CCCC)CCCC)CCC.C1(C)C=CC=CC=1.[F-].[K+]>C(OCC)(=O)C>[C:1]([C:5]1[CH:10]=[CH:9][C:8]([S:11]([NH:14][C:15]2[C:20]([C:21]3[CH:26]=[CH:25][C:24]([CH3:27])=[CH:23][CH:22]=3)=[C:19]([O:28][CH2:29][CH2:30][O:31][C:32]3[CH:33]=[CH:34][C:35]([C:38]4[NH:55][N:54]=[N:53][N:39]=4)=[CH:36][CH:37]=3)[N:18]=[CH:17][N:16]=2)(=[O:13])=[O:12])=[CH:7][CH:6]=1)([CH3:4])([CH3:2])[CH3:3]
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참가 물질

6

반응물 4

HCID 1140TolueneHCID 522689Potassium FluorideHCID 4984872Tributyltin azideHCID 196895174-tert-butyl-N-{6-[2-(4-cyanophenoxy)ethoxy]-5-(4-methylphenyl)pyrimidin-4-yl}benzensulfonamide

생성물 1

HCID 1784182424-tert-butyl-N-{5-(4-methylphenyl)-6-[2-(4-(5-tetrazolyl)phenoxy)ethoxy]-pyrimidin-4-yl}benzensulfonamide수율 89.1%

시약·촉매·용매 1

HCID 8857Ethyl Acetate용매

실험 절차

A mixture of 4-tert-butyl-N-{6-[2-(4-cyanophenoxy)ethoxy]-5-(4-methylphenyl)pyrimidin-4-yl}benzensulfonamide (1.31 g), tributyltin azide (1.60 g) and toluene (13 ml) is refluxed under argon atmosphere for 24 hours. After cooling, ethyl acetate and 10% aqueous potassium fluoride solution are added to the reaction solution. The insoluble materials are removed by filtration, and the ethyl acetate layer is concentrated to dryness under reduced pressure. To the residue are added 10% aqueous sodium hydroxide solution and diethyl ether, and the mixture is stirred at room temperature for 20 minutes. The aqueous layer is washed with diethyl ether, and acidified with 10% hydrochloric acid under ice-cooling. The mixture is extracted with ethyl acetate, and the ethyl acetate layer is washed, dried and evaporated to remove the solvent. The residue is purified by silica gel column chromatography (solvent:chloroform:methanol=100:0~20:1), and crystallized from ethyl acetate to give 4-tert-butyl-N-{5-(4-methylphenyl)-6-[2-(4-(5-tetrazolyl)phenoxy)ethoxy]-pyrimidin-4-yl}benzensulfonamide (1.26 g).

후처리

  1. temperatureis refluxed under argon atmosphere for 24 hours
  2. temperatureAfter cooling
  3. customThe insoluble materials are removed by filtration
  4. concentrationthe ethyl acetate layer is concentrated to dryness under reduced pressure
  5. additionTo the residue are added 10% aqueous sodium hydroxide solution and diethyl ether
  6. washThe aqueous layer is washed with diethyl ether
  7. temperaturecooling
  8. extractionThe mixture is extracted with ethyl acetate
  9. washthe ethyl acetate layer is washed
  10. customdried
  11. customevaporated
  12. customto remove the solvent
  13. customThe residue is purified by silica gel column chromatography (solvent:chloroform:methanol=100:0~20:1)
  14. customcrystallized from ethyl acetate

출처 및 근거

ORD 기록
ord-6e6b46e6e7624474a5402b0aba237034
출처 데이터셋
uspto-grants-1998_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05728706

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