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Ethanol → 7-Bromo-2-ethoxymethyl-1-(isopropoxypropyl)-1H-imidazo[4,5-c]quinoline

HRID 909337
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 909337
[Br:1][C:2]1[CH:11]=[C:10]2[C:5]([C:6]([NH:13][CH2:14][CH2:15][CH2:16][O:17][CH:18]([CH3:20])[CH3:19])=[C:7]([NH2:12])[CH:8]=[N:9]2)=[CH:4][CH:3]=1.[CH2:21]([O:23][CH2:24][C:25](Cl)=O)[CH3:22].C(O)C>C(#N)C.C(N(CC)CC)C>[Br:1][C:2]1[CH:3]=[CH:4][C:5]2[C:6]3[N:13]([CH2:14][CH2:15][CH2:16][O:17][CH:18]([CH3:20])[CH3:19])[C:22]([CH2:21][O:23][CH2:24][CH3:25])=[N:12][C:7]=3[CH:8]=[N:9][C:10]=2[CH:11]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 702EthanolHCID 84189Ethoxyacetyl chlorideHCID 690787337-bromo-N4-(3-isopropoxypropyl)quinoline-3,4-diamine

Produkt 1

HCID 673819647-Bromo-2-ethoxymethyl-1-(isopropoxypropyl)-1H-imidazo[4,5-c]quinolineAusbeute 67,1 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6342AcetonitrileLösungsmittel
HCID 8471
Triethylamine
Lösungsmittel
2×

Versuchsvorschrift

7-Bromo-N4-(3-isopropoxypropyl)quinoline-3,4-diamine (45 g) was dissolved in acetonitrile (1.3 L) and triethylamine (19.4 mL). Ethoxyacetyl chloride (18.0 g) was added dropwise to the solution and the reaction was stirred for 16 hours. The solvent was removed under reduced pressure to afford a tan solid. The solid was added to a solution of ethanol (1 L) and triethylamine (77.5 mL) and heated at reflux for 4 hours. The solvent was removed under reduced pressure. Water was added to the solid residue and the crude product was recovered by filtration. Recrystallization from acetonitrile yielded 36.25 g of 7-bromo-2-ethoxymethyl-1-(3-isopropoxypropyl)-1H-imidazo[4,5-c]quinoline as a tan crystalline solid.

Aufarbeitung

  1. customThe solvent was removed under reduced pressure
  2. customto afford a tan solid
  3. temperatureheated
  4. temperatureat reflux for 4 hours
  5. customThe solvent was removed under reduced pressure
  6. additionWater was added to the solid residue
  7. filtrationthe crude product was recovered by filtration
  8. customRecrystallization from acetonitrile

Quellen und Nachweise

ORD-Eintrag
ord-134fed903e6046ffa77168d789ca7fdf
Quelldatensatz
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08017779B2

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