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Dimethyl Sulfoxide → 5-[(4,6-dimethylpyridin-2-yl)oxy]-6-ethyl-3-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-2-propylpyrimidin-4(3H)-one

HRID 1674373
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1674373
[Cl-].O[NH3+:3].[C:4](=[O:7])([O-])[OH:5].[Na+].CS(C)=O.[CH3:13][C:14]1[CH:19]=[C:18]([CH3:20])[N:17]=[C:16]([O:21][C:22]2[C:27](=[O:28])[N:26]([CH2:29][C:30]3[CH:35]=[CH:34][C:33]([C:36]4[C:37]([C:42]#[N:43])=[CH:38][CH:39]=[CH:40][CH:41]=4)=[CH:32][CH:31]=3)[C:25]([CH2:44][CH2:45][CH3:46])=[N:24][C:23]=2[CH2:47][CH3:48])[CH:15]=1>C(OCC)(=O)C>[CH3:13][C:14]1[CH:19]=[C:18]([CH3:20])[N:17]=[C:16]([O:21][C:22]2[C:27](=[O:28])[N:26]([CH2:29][C:30]3[CH:35]=[CH:34][C:33]([C:36]4[CH:41]=[CH:40][CH:39]=[CH:38][C:37]=4[C:42]4[NH:3][C:4](=[O:7])[O:5][N:43]=4)=[CH:32][CH:31]=3)[C:25]([CH2:44][CH2:45][CH3:46])=[N:24][C:23]=2[CH2:47][CH3:48])[CH:15]=1
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Komponenten

6

Edukt 4

HCID 679Dimethyl SulfoxideHCID 21645Hydroxylamine HClHCID 516892Sodium BicarbonateHCID 574610464'-{[5-[(4,6-dimethylpyridin-2-yl)oxy]-4-ethyl-6-oxo-2-propylpyrimidin-1(6H)-yl]methyl}biphenyl-2-carbonitrile

Produkt 1

HCID 1361467445-[(4,6-dimethylpyridin-2-yl)oxy]-6-ethyl-3-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-2-propylpyrimidin-4(3H)-one
Ausbeute 60 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8857Ethyl AcetateLösungsmittel

Reaktionsbedingungen

Temperatur
40 °C

Versuchsvorschrift

A mixture of hydroxylammonium chloride (0.29 g), sodium hydrogen carbonate (0.42 g) and dimethyl sulfoxide (6 mL) was stirred at 40° C. for 30 min, 4′-{[5-[(4,6-dimethylpyridin-2-yl)oxy]-4-ethyl-6-oxo-2-propylpyrimidin-1(6H)-yl]methyl}biphenyl-2-carbonitrile (0.24 g) was added, and the mixture was stirred at 90° C. for 12 hr. The reaction mixture was diluted with ethyl acetate, washed with water and then with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure. The residue was dissolved in tetrahydrofuran (8 mL). N,N′-carbonyldiimidazole (0.12 g) and then 1,8-diazabicyclo[5.4.0]undec-7-ene (0.11 mL) were added, and the mixture was stirred at room temperature for 2 hr. The reaction mixture was diluted with ethyl acetate, washed with water and then with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure and the residue was purified by silica gel column chromatography to give the title compound as a colorless amorphous solid (0.16 g, 60%).

Aufarbeitung

  1. stirringthe mixture was stirred at 90° C. for 12 hr
  2. washwashed with water
  3. dry with materialwith saturated brine, and dried over anhydrous magnesium sulfate
  4. customThe solvent was evaporated under reduced pressure
  5. dissolutionThe residue was dissolved in tetrahydrofuran (8 mL)
  6. additionN,N′-carbonyldiimidazole (0.12 g) and then 1,8-diazabicyclo[5.4.0]undec-7-ene (0.11 mL) were added
  7. stirringthe mixture was stirred at room temperature for 2 hr
  8. additionThe reaction mixture was diluted with ethyl acetate
  9. washwashed with water
  10. dry with materialwith saturated brine, and dried over anhydrous magnesium sulfate
  11. customThe solvent was evaporated under reduced pressure
  12. customthe residue was purified by silica gel column chromatography

Quellen und Nachweise

ORD-Eintrag
ord-03fb1cacc66e428caedd1ed63ba9c059
Quelldatensatz
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07998968B2

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