Substituted enamine carbonyl compound as well as preparation method and application thereof

The invention relates to a substituted enamine carbonyl compound as well as a preparation method and application thereof. Specifically, the present invention relates to a substituted enamine carbonylcompound represented by formula (I) or a stereoisomer, a nitrogen oxide and a salt of the substituted enamine carbonyl compound represented by formula (I), a method for preparing the substituted enamine carbonyl compound, use of the substituted enamine carbonyl compound as an insecticide in agriculture, a form of an insecticide composition of the substituted enamine carbonyl compound, and methodsof controlling pests using these compounds or compositions; wherein the ring A, R1, R2, R3, R4, B, B1, B2, X, X1 and n have the meanings described in the invention. 本发明涉及一种被取代的烯胺羰基化合物及其制备方法和应用；具体地，本发明涉及式(I)所示的被取代的烯胺羰基化合物或式(I)所示被取代的烯胺羰基化合物的立体异构体、氮氧化物及其盐，及被取代的烯胺羰基化合物的制备方法，及它们在农业中作为杀虫剂的用途，及其杀虫剂组合物的形式，以及用这些化合物或组合物来防治害虫的方法；其中，环A、R1、R2、R3、R4、B、B1、B2、X、X1和n具有本发明所述的含义。