Reaktion #522751

Reaktionsgleichung

1,2-dimethylimidazole

methyl iodide

→

1,2,3-trimethyl-1H-imidazolium iodide

Lösungsmittel

ether

Reaktionsbedingungen

Aufarbeitung

1. 1
   Sonstigeprecipitates
2. 2
   Filtrationis filtered off
3. 3
   SonstigeTwo crystallizations from ethanol-ether
4. 4
   Sonstigefurnish the pure product, melting point 315°-318° C.

Vorschrift

To 20 g of 1,2-dimethylimidazole dissolved in 100 ml of ether there is added 20 ml of methyl iodide. On standing the product precipitates and is filtered off. Two crystallizations from ethanol-ether furnish the pure product, melting point 315°-318° C.

Quelle