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Potassium Carbonate → Methyl 4-oxo-3-[3-(trifluoromethyl)benzyl]-3,4-dihydroquinazoline-7-carboxylate

HRID 1616110
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1616110
[O:1]=[C:2]1[C:11]2[C:6](=[CH:7][C:8]([C:12]([O:14][CH3:15])=[O:13])=[CH:9][CH:10]=2)[N:5]=[CH:4][NH:3]1.C(=O)([O-])[O-].[K+].[K+].[F:22][C:23]([F:33])([F:32])[C:24]1[CH:25]=[C:26]([CH:29]=[CH:30][CH:31]=1)[CH2:27]Br>CN(C=O)C>[O:1]=[C:2]1[C:11]2[C:6](=[CH:7][C:8]([C:12]([O:14][CH3:15])=[O:13])=[CH:9][CH:10]=2)[N:5]=[CH:4][N:3]1[CH2:27][C:26]1[CH:29]=[CH:30][CH:31]=[C:24]([C:23]([F:22])([F:32])[F:33])[CH:25]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 11430Potassium CarbonateHCID 1230611-(Bromomethyl)-3-(trifluoromethyl)benzeneHCID 135481487Methyl 4-hydroxyquinazoline-7-carboxylate

Produkt 1

HCID 67282400Methyl 4-oxo-3-[3-(trifluoromethyl)benzyl]-3,4-dihydroquinazoline-7-carboxylate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
60 °C

Versuchsvorschrift

To a solution of methyl 4-oxo-3,4-dihydroquinazoline-7-carboxylate (0.100 g, 0.49 mmol) in DMF (5 mL) was added potassium carbonate (0.135 g, 0.98 mmol) and 3-(trifluoromethyl)benzyl bromide (0.11 mL, 0.74 mmol). The reaction mixture was heated to 60° C. and stirred overnight. The mixture was then cooled to rt and concentrated. Water was added and the reaction mixture was extracted with DCM (15 mL, 3×). The combined organic phases were then washed with water, and brine, dried over anhydrous Na2SO4, filtered and concentrated to afford methyl 4-oxo-3-[3-(trifluoromethyl)benzyl]-3,4-dihydroquinazoline-7-carboxylate. LC-MS: (FA) ES+ 363.

Aufarbeitung

  1. temperatureThe mixture was then cooled to rt
  2. concentrationconcentrated
  3. additionWater was added
  4. extractionthe reaction mixture was extracted with DCM (15 mL, 3×)
  5. washThe combined organic phases were then washed with water, and brine
  6. dry with materialdried over anhydrous Na2SO4
  7. filtrationfiltered
  8. concentrationconcentrated

Quellen und Nachweise

ORD-Eintrag
ord-0534899243f54f8d8683b43e915749de
Quelldatensatz
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08765773B2

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