Propaphos was prepared form pmethylthiophenol and 0,0-dipropyl chlorophoshate in the presence of K2CO3, with an overall yield of 65%.

• 对甲硫基苯酚与O,O-二正丙基磷酰氯在K2CO3的存在下合成丙虫磷，总收率达到65%25以上。