Dimethyl phosphonate reacted with acrylonitrile under strong base (sodium alcoholate) or BPO catalysis, and then reacted with malonic aldehyde to give a N-P type fire retardant.

• 摘要以亚磷酸二甲酯、丙烯酰胺在强碱性（醇钠）或BPO作催化剂条件下反应，再与丙二醛反应得到氮-磷(N-P)型阻燃剂。