To a mixture of 3.69 g of p-anisidine, 1.92 g of sulfur and 4.8 mL of triethylamine in 60 mL of dimethylformamide, a slow addition of 3.08 g of 2-chloroacetamide, whilst keeping the temperature below 35 ° C. The mixture is then agitated for 8 h, poured into 600 mL of cold water and the resulting precipitate is filtered off with suction.
The mixture before the addition
The addition and reflux
Crashing the crude product out
A sample of the crude product