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Acetic Acid → 4-Chloro-1-(2-methylpropyl)-1H-imidazo[4,5-C]quinoline-2-methanol

HRID 274360
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 274360
[Cl:1][C:2]1[C:11]2[N:12]=[CH:13][N:14]([CH2:15][CH:16]([CH3:18])[CH3:17])[C:10]=2[C:9]2[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=2[N:3]=1.CC1C([C:26](O)=[O:27])=CC=CC=1.C[O-].[Na+].C(OCC)(=O)C.C(O)(=O)C>CO>[Cl:1][C:2]1[C:11]2[N:12]=[C:13]([CH2:26][OH:27])[N:14]([CH2:15][CH:16]([CH3:18])[CH3:17])[C:10]=2[C:9]2[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=2[N:3]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 176Acetic AcidHCID 8857Ethyl AcetateHCID 10942334Sodium MethoxideHCID 88033762HCID 88033762, Verbindung

Produkt 1

HCID 152244014-Chloro-1-(2-methylpropyl)-1H-imidazo[4,5-C]quinoline-2-methanolAusbeute 71,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887
Methanol
Lösungsmittel

Versuchsvorschrift

4-Chloro-1-(2-methylpropyl)-1H-imidazo[4,5-c]quinoline-2-methyl benzoate (14.3 g; 0.36 mol, Example 7) was suspended in dry methanol (350 mL). The mixture was made basic (pH 10) with 25% sodium methoxide. The mixture was stirred at room temperature for 5 hr after which time only a trace of starting material was detected by silica gel TLC (ethyl acetate eluent). The mixture was made acidic with acetic acid and then concentrated to dryness. The residue was slurried in ether. The solid was filtered from the mixture and then suspended in aqueous sodium hydroxide. The product was filtered from the mixture, washed with water, and dried to yield 7.5 g (71.4%) of tan solid. The product was recrystallized from ethanol to yield 4.8 g of pure product m.p. 162°-166° C.

Aufarbeitung

  1. concentrationconcentrated to dryness
  2. filtrationThe solid was filtered from the mixture
  3. filtrationThe product was filtered from the mixture
  4. washwashed with water
  5. customdried

Quellen und Nachweise

ORD-Eintrag
ord-a0677490b25e4729b2f229451dba2f38
Quelldatensatz
uspto-grants-1995_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05389640

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