本发明属于农药杀虫剂的先导化合物,一类含柔性酰胺键的顺式烯啶虫胺类化合物。其结构如通式(Ⅰ)。其制备方法包括如下步骤:(1)以水作溶剂,将二胺,内酯分别加到溶剂中,氮气或惰性气体保护下加热回流10~24h,反应结束冷却至室温,得到二胺单酰胺(Ⅱ); The invention belongs to the leading compound of pesticide insecticide, a class of cis-nitenpyram compounds containing flexible amide bond. The structure of the general formula (I). The preparation method comprises the following steps: (1) taking water as a solvent, adding diamine and lactone respectively into a solvent, heating and refluxing for 10-24 hours under the protection of nitrogen or inert gas, and cooling to room temperature after the reaction is completed, to obtain the diamine monoamide (Ⅱ);