StartseiteMCPWorkbenchSkills
StartseiteWorkbenchBenachrichtigungenMein Bereich
llms.txt · MCP-AnleitungDatenschutz · Nutzungsbedingungen · Supportv1.8.0
  1. Startseite
  2. /Reaktion

Acetic Acid → 8-bromo-2-(difluoro(5-fluoropyridin-2-yl)methyl)-N-(5-methyl-1H-pyrazol-3-yl)quinazolin-4-amine

HRID 473156
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 473156
Cl[C:2]1[C:11]2[C:6](=[C:7]([Br:12])[CH:8]=[CH:9][CH:10]=2)[N:5]=[C:4]([C:13]([F:22])([F:21])[C:14]2[CH:19]=[CH:18][C:17]([F:20])=[CH:16][N:15]=2)[N:3]=1.C(OC([N:30]1[C:34]([CH3:35])=[CH:33][C:32]([NH2:36])=[N:31]1)=O)(C)(C)C.CC(O)=O>CC(N(C)C)=O>[Br:12][C:7]1[CH:8]=[CH:9][CH:10]=[C:11]2[C:6]=1[N:5]=[C:4]([C:13]([F:22])([F:21])[C:14]1[CH:19]=[CH:18][C:17]([F:20])=[CH:16][N:15]=1)[N:3]=[C:2]2[NH:36][C:32]1[CH:33]=[C:34]([CH3:35])[NH:30][N:31]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 176Acetic AcidHCID 11321537tert-butyl 3-amino-5-methyl-1H-pyrazole-1-carboxylateHCID 866626974-Chloro-2-[difluoro-(5-fluoro-pyridin-2-yl)-methyl]-8-bromo-quinazoline

Produkt 1

HCID 568486298-bromo-2-(difluoro(5-fluoropyridin-2-yl)methyl)-N-(5-methyl-1H-pyrazol-3-yl)quinazolin-4-amineAusbeute 21,8 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 31374
Dimethylacetamide
Lösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

To 4-chloro-2-[difluoro-(5-fluoro-pyridin-2-yl)-methyl]-8-bromo-quinazoline (0.19 g, 0.49 mmol) in DMA (1.0 mL) were added 3-amino-5-methyl-pyrazole-1-carboxylic acid tert-butyl ester (0.30 g, 1.53 mmol) and HOAc (0.065 mL, 1.1 mmol) and the mixture was heated to 100° C. for 5 h. The mixture was allowed to cool to rt and purified by reverse phase HPLC (ammonium acetate modifier). Fraction 1 containing pure product was treated with saturated aq NaHCO3 (2-4 mL) and concentrated under reduced pressure. The aqueous residue was extracted with DCM (3×30 mL) and the combined extracts were washed with sat aqueous NaHCO3 (10 mL) and brine (10 mL), dried over MgSO4, filtered, and concentrated to dryness under reduced pressure to afford 8-bromo-2-(difluoro(5-fluoropyridin-2-yl)methyl)-N-(5-methyl-1H-pyrazol-3-yl)quinazolin-4-amine (48 mg, 20%) as a white solid. 1H NMR (300 MHz, DMSO-d6) δ 12.22 (br s, 1H), 10.87 (br s, 1H), 8.57-8.81 (m, 2H), 8.24 (d, J=7.5 Hz, 1H), 8.02 (d, J=5.3 Hz, 2H), 7.54 (t, J=7.9 Hz, 1H), 5.95 (s, 1H), 2.17 (s, 3H); LC-MS (ESI) m/z 449/451 (M+H+).

Aufarbeitung

  1. temperatureto cool to rt
  2. custompurified by reverse phase HPLC (ammonium acetate modifier)
  3. additionFraction 1 containing pure product was treated with saturated aq NaHCO3 (2-4 mL)
  4. concentrationconcentrated under reduced pressure
  5. extractionThe aqueous residue was extracted with DCM (3×30 mL)
  6. washthe combined extracts were washed with sat aqueous NaHCO3 (10 mL) and brine (10 mL)
  7. dry with materialdried over MgSO4
  8. filtrationfiltered
  9. concentrationconcentrated to dryness under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-aaba5fb91e7b44c29318f3f896fd3e20
Quelldatensatz
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08633207B2

Notizen zur Reaktion

Wird geladen…

Auf dieser SeiteKomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion