1, 2, 3-thiadiazole acetonitrile derivative as well as preparation method and application thereof

The invention provides a 1, 2, 3-thiadiazole acetonitrile derivative as well as a preparation method and application thereof, and particularly relates to a derivative of which the chemical structural general formula is shown in formula I: I. The invention discloses the structural general formula and the synthesis method of the compound and application of the compound as an insecticide, a bactericide and a plant virus resisting agent. The invention also relates to application and a preparation method of the compound in preventing and treating insect pests, diseases and virus diseases of agricultural, forestry and horticultural plants in combination with agriculturally acceptable auxiliaries or synergists and commercial insecticides, bactericides, plant virus resisting agents and acaricides. 本发明提供了一类1，2，3-噻二唑乙腈类衍生物及其制备方法和用途，具体涉及一类衍生物，其化学结构通式见式I：I：本发明公开了上述化合物的结构通式、合成方法与用作杀虫剂、杀菌剂、抗植物病毒剂的用途，其与农业上可接受的助剂或增效剂以及与商品杀虫剂、杀菌剂、抗植物病毒剂、杀螨剂组合使用在防治农业、林业、园艺植物虫害、病害、病毒病害中的用途和制备方法。