Reaktion #1744224

Reaktionsgleichung

sodium hydroxide

2,2-dimethylcyclopentanone

4-chlorobenzaldehyde

→

2,2-Dimethyl-5-(4-chlorobenzylidene)-1-cyclopentanone

Ausbeute 59.7%

Lösungsmittel

ethanol

Reaktionsbedingungen

Aufarbeitung

1. 1
   Filtrationthe thick slurry is filtered
2. 2
   Waschenthe solid washed
3. 3
   Sonstigedried

Vorschrift

10% strength sodium hydroxide solution (100 cc) is added to a mixture of 2,2-dimethylcyclopentanone (10 g) and 4-chlorobenzaldehyde (13.8 g) in ethanol (100 cc) at 0° C. After 10 minutes, the thick slurry is filtered and the solid washed and then dried. 2,2-Dimethyl-5-(4-chlorobenzylidene)-1-cyclopentanone (12.5 g), m.p. 120° C., is obtained.

Quelle