In the presence of anhydrous potassium phosphate, different kinds of dithiocarbamates were prepared from the reaction of primary amines, secondary amines and piperazine with carbon disulfate and a variety of alkyl halides at room temperature in high yields. 在无水磷酸钾存在下,伯胺、仲胺和哌嗪与二硫化碳和不同的卤代烃于室温反应,高收率的生成对应的氨基二硫代甲酸酯。