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Sodium Carbonate → N-(5-bromo-2-(4-methoxyphenyl)pyridin-3-yl)-5,7-difluoro-3-methyl-2-(pyridin-2-yl)quinolin-4-amine

HRID 1431370
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1431370
[Br:1][C:2]1[CH:3]=[C:4]([NH2:16])[C:5]([C:8]2[CH:13]=[CH:12][C:11]([O:14][CH3:15])=[CH:10][CH:9]=2)=[N:6][CH:7]=1.[H-].[Na+].Cl[C:20]1[C:29]2[C:24](=[CH:25][C:26]([F:31])=[CH:27][C:28]=2[F:30])[N:23]=[C:22]([C:32]2[CH:37]=[CH:36][CH:35]=[CH:34][N:33]=2)[C:21]=1[CH3:38].C(=O)([O-])[O-].[Na+].[Na+]>CN(C=O)C>[Br:1][C:2]1[CH:3]=[C:4]([NH:16][C:20]2[C:29]3[C:24](=[CH:25][C:26]([F:31])=[CH:27][C:28]=3[F:30])[N:23]=[C:22]([C:32]3[CH:37]=[CH:36][CH:35]=[CH:34][N:33]=3)[C:21]=2[CH3:38])[C:5]([C:8]2[CH:9]=[CH:10][C:11]([O:14][CH3:15])=[CH:12][CH:13]=2)=[N:6][CH:7]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 10340Sodium CarbonateHCID 24758Sodium hydrideHCID 596310254-Chloro-5,7-difluoro-3-methyl-2-(pyridin-2-yl)quinolineHCID 596313025-Bromo-2-(4-methoxyphenyl)pyridin-3-amine

Produkt 1

HCID 59631355N-(5-bromo-2-(4-methoxyphenyl)pyridin-3-yl)-5,7-difluoro-3-methyl-2-(pyridin-2-yl)quinolin-4-amine

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
0 °C

Versuchsvorschrift

A dry flask containing 5-bromo-2-(4-methoxyphenyl)pyridin-3-amine (0.14 g, 0.52 mmol) in dry DMF (5.0 mL) was cooled to 0° C., then sodium hydride, 60% dispersion in mineral oil (0.043 g, 1.07 mmol) was added carefully in portions. The mixture was stirred at 0° C. for 15 min, then 4-chloro-5,7-difluoro-3-methyl-2-(pyridin-2-yl)quinoline (0.18 g, 0.62 mmol) was added in portions. Upon complete addition, the mixture was warmed to 60° C. After 18 h, the reaction was cooled to rt then was carefully treated with 10% sodium carbonate solution. The black mixture was subsequently extracted five times with DCM:MeOH (90:10). The organic extraction was then washed one time with brine and dried over anhydrous magnesium sulfate. After filtration and concentration, the black residue was purified on silica gel (50-100% EtOAc in hexanes) to afford a mostly N-(5-bromo-2-(4-methoxyphenyl)pyridin-3-yl)-5,7-difluoro-3-methyl-2-(pyridin-2-yl)quinolin-4-amine. Mass Spectrum (ESI) m/e=533.0 (M+1).

Aufarbeitung

  1. additionUpon complete addition
  2. temperaturethe mixture was warmed to 60° C
  3. waitAfter 18 h
  4. temperaturethe reaction was cooled to rt
  5. extractionThe black mixture was subsequently extracted five times with DCM:MeOH (90:10)
  6. extractionThe organic extraction
  7. washwas then washed one time with brine
  8. dry with materialdried over anhydrous magnesium sulfate
  9. filtrationAfter filtration and concentration
  10. customthe black residue was purified on silica gel (50-100% EtOAc in hexanes)

Quellen und Nachweise

ORD-Eintrag
ord-88dc89bf5ac64c99b886d1b6daa5b6c6
Quelldatensatz
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08940724B2

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