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Toluene → 7-benzyloxy-2-ethoxymethyl-1-(2-methylpropyl)-1H-imidazo[4,5-c]quinoline

HRID 598262
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 598262
[CH2:1]([O:8][C:9]1[CH:18]=[C:17]2[C:12]([C:13]([NH:20][CH2:21][CH:22]([CH3:24])[CH3:23])=[C:14]([NH2:19])[CH:15]=[N:16]2)=[CH:11][CH:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH2:25]([O:27][CH2:28][C:29](Cl)=O)[CH3:26].C1(C)C=CC=CC=1>N1C=CC=CC=1.C(N(CC)CC)C>[CH2:1]([O:8][C:9]1[CH:10]=[CH:11][C:12]2[C:13]3[N:20]([CH2:21][CH:22]([CH3:24])[CH3:23])[C:26]([CH2:25][O:27][CH2:28][CH3:29])=[N:19][C:14]=3[CH:15]=[N:16][C:17]=2[CH:18]=1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 1140TolueneHCID 84189Ethoxyacetyl chlorideHCID 670509707-benzyloxy-N4-(2-methylpropyl)quinoline-3,4-diamine2×

Produkt 1

HCID 670509617-benzyloxy-2-ethoxymethyl-1-(2-methylpropyl)-1H-imidazo[4,5-c]quinoline

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 1049PyridineLösungsmittel2×
HCID 8471
Triethylamine
Lösungsmittel

Versuchsvorschrift

The preparation of 7-benzyloxy-N4-(2-methylpropyl)quinoline-3,4-diamine is described in Parts A-F of Example 1. A concentrated solution of ethoxyacetyl chloride (12.2 g, 99.2 mmol) was added dropwise to a solution of 7-benzyloxy-N4-(2-methylpropyl)quinoline-3,4-diamine (29 g, 90 mmol) in 50:50 toluene:pyridine. The temperature of the reaction reached 40° C., and a precipitate formed. Triethylamine (15-20 g) and pyridine were added to help dissolve the precipitate. The reaction was heated at reflux for three hours and then allowed to cool to ambient temperature overnight. The solvents were removed under reduced pressure, and the black residue was dissolved in dichloromethane. The resulting solution was washed several times with aqueous sodium carbonate (150 mL), dried over magnesium sulfate, filtered, and concentrated under reduced pressure to provide 29.2 g of 7-benzyloxy-2-ethoxymethyl-1-(2-methylpropyl)-1H-imidazo[4,5-c]quinoline as a tan solid.

Aufarbeitung

  1. customreached 40° C.
  2. customa precipitate formed
  3. dissolutionto help dissolve the precipitate
  4. temperatureThe reaction was heated
  5. temperatureat reflux for three hours
  6. customThe solvents were removed under reduced pressure
  7. dissolutionthe black residue was dissolved in dichloromethane
  8. washThe resulting solution was washed several times with aqueous sodium carbonate (150 mL)
  9. dry with materialdried over magnesium sulfate
  10. filtrationfiltered
  11. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-57bf036deb26498fb494ce8e0237f0ad
Quelldatensatz
uspto-grants-2011_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07897597B2

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