Water → 1,3-Dihydro-4-(1-oxobutyl)-2H-imidazol-2-one

HRID 1163904Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1163904
[NH:1]1[CH:5]=[CH:4][NH:3][C:2]1=[O:6].[C:7](Cl)(=[O:11])[CH2:8][CH2:9][CH3:10].[Cl-].[Al+3].[Cl-].[Cl-].O>ClCCl>[O:11]=[C:7]([C:5]1[NH:1][C:2](=[O:6])[NH:3][CH:4]=1)[CH2:8][CH2:9][CH3:10]

Komponenten

6

Edukt 4

HCID 962WaterHCID 8855Butyryl chlorideHCID 222082-HydroxyimidazoleHCID 6451240Aluminum(III) Chloride

Produkt 1

HCID 130720061,3-Dihydro-4-(1-oxobutyl)-2H-imidazol-2-one

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

In 10 ml of dichloromethane is placed 1.0 g of 1,3-dihydro-2H-imidazol-2-one, 1.28 g of butyryl chloride and 4.8 g of aluminum chloride. The mixture is refluxed and stirred for 2 hours after which it is poured into water. The precipitate is collected, washed with water, and recrystallized from ethanol:water, to give the title compound, m.p. 268°-270° C.

Aufarbeitung

  1. temperatureThe mixture is refluxed
  2. customThe precipitate is collected
  3. washwashed with water
  4. customrecrystallized from ethanol

Quellen und Nachweise

ORD-Eintrag
ord-bcf013527d5e40699b0938753624899e
Quelldatensatz
uspto-grants-1983_01
Patentnummer
US04367236

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