N,N'-Dimethylurea → Urea, 1,1-dipropyl-3-methyl-

HRID 704462

Reaktionsgleichung

Reaktionsgleichung von HRID 704462
[CH3:1][NH:2][C:3](NC)=[O:4].[CH2:7]([NH:10][CH2:11][CH2:12][CH3:13])[CH2:8][CH3:9]>C1(C(C)C)C=CC=CC=1>[CH2:7]([N:10]([CH2:11][CH2:12][CH3:13])[C:3]([NH:2][CH3:1])=[O:4])[CH2:8][CH3:9]

Komponenten

4

Edukt 2

HCID 7293N,N'-DimethylureaHCID 8902Dipropylamine

Produkt 1

HCID 215877Urea, 1,1-dipropyl-3-methyl-Ausbeute 104,9 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 7406CumeneLösungsmittel

Reaktionsbedingungen

Temperatur
137 °C

Versuchsvorschrift

To a 250 ml, 3-neck flask, with an agitator and condenser were added 22.0 g (0.25 mol) of 1,3-dimethylurea, 25.3 g (0.25 mol) of dipropylamine and 100 ml of cumene. The solution was heated at reflux (about 137° C.) for about 12 hours, cooled to 100° C., and the solvent was removed using vacuum distillation to provide a residue. The residue was dried in a vacuum oven at 60° C. to provide 41.5 g of 1,1-dipropyl-3-methylurea.

Aufarbeitung

  1. temperatureThe solution was heated
  2. temperaturecooled to 100° C.
  3. customthe solvent was removed
  4. distillationvacuum distillation
  5. customto provide a residue
  6. customThe residue was dried in a vacuum oven at 60° C.

Quellen und Nachweise

ORD-Eintrag
ord-0f12c8dedfff4e67b84a301384f53aff
Quelldatensatz
uspto-grants-1991_01
Patentnummer
US04987233

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