Ethyl dicyanopropionate was synthesized by one-step reaction with sodium cyanide, paraformaldehyde and ethyl cyanoacetate in solvent. The yield was 80.2%, and the purity was 90.8%.

• 由氰化钠、多聚甲醛和氰乙酸乙酯在溶剂中反应；一步合成二氰基丙酸乙酯；收率(以氰乙酸乙酯计)达80.；2%25；含量90