1: chloroacetic acid With potassium carbonate in N,N-dimethyl-formamide 2: 2,4-dichlorobenzeneacetonitrile With potassium hydroxide in N,N-dimethyl-formamide T=20 - 25°C; 2 h; 3: With sodium hydroxide 16 h; Heating;

alkali cyanide anschliessende Hydrolyse;