N,N,N',N'-tetramethyl-urea 4 h; Heating; Further byproducts given. Yields of byproduct given;

1: 35.2 percent / tetramethylurea / 4 h / Heating 2: 81 percent / AlCl3 (anhydrous) / 1,2-dichloro-ethane / 8 h / 20 - 25 °C View Scheme