Methyl iodide → Methyl 2-methyl-3-oxopentanoate

HRID 1357179

Reaktionsgleichung

Reaktionsgleichung von HRID 1357179
CI.[C:3]([O-])([O-])=O.[K+].[K+].[C:9]([CH2:13][C:14]([O:16][CH3:17])=[O:15])(=[O:12])[CH2:10][CH3:11]>CC(C)=O>[CH3:3][CH:13]([C:9](=[O:12])[CH2:10][CH3:11])[C:14]([O:16][CH3:17])=[O:15]

Komponenten

5

Edukt 3

HCID 6328Methyl iodideHCID 11430Potassium CarbonateHCID 121699Methyl 3-oxovalerate

Produkt 1

HCID 545860Methyl 2-methyl-3-oxopentanoate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 180AcetoneLösungsmittel

Versuchsvorschrift

Methyl iodide (57 ml) and K2CO3 (127 g) were added to a solution of methyl propionylacetate (100 g) in acetone (800 ml) while cooling on ice. The reaction solution was stirred for 96 hours at room temperature and celite filtered, and then the mother liquor was slowly concentrated under reduced pressure and distilled under reduced pressure to obtain methyl 2-methyl-3-oxopentanoate.

Aufarbeitung

  1. temperaturewhile cooling on ice
  2. filtrationcelite filtered
  3. concentrationthe mother liquor was slowly concentrated under reduced pressure
  4. distillationdistilled under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-d36bac8f934f4ab9af43a8e39619584d
Quelldatensatz
uspto-grants-2003_07
Patentnummer
US06589984B1

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