Pyrazole-benzimidazolone compound, preparation method and application thereof, and herbicide

The invention relates to the field of novel pesticide compounds, and discloses a pyrazole-benzimidazolone compound, a preparation method and application thereof and a herbicide, and the pyrazole-benzimidazolone compound has a structure as shown in a formula (I) or a formula (II). The compound provided by the invention has an excellent HPPD inhibition effect, has a remarkable inhibition effect on weeds including broadleaf weeds, grassy weeds and cyperaceae weeds, and is high in safety to crops. 本发明涉及农药新化合物领域，公开了一种吡唑-苯并咪唑酮类化合物及其制备方法和应用、一种杀草剂，该化合物具有式式(I)或式(II)所示的结构。本发明提供的化合物具有优异的HPPD抑制作用，对包括阔叶杂草、禾本科杂草和莎草科杂草在内的杂草具有显著的抑制效果，并且对作物的安全性高。