Substituted pyridazinones as herbicides

The present invention relates to herbicide substituted phenyl-pyridazinone-diones and substituted phenyl-pyridazinone derivatives of formula (I), as well as to processes and intermediates for preparing such derivatives. The invention further extends to herbicidal compositions comprising such derivatives, and to the use of such compounds and compositions in controlling undesirable plant growth in crops of useful plants, in particular to control weeds such as broadleaf dicotyledonous weeds. 本发明涉及具有式(I)的除草剂经取代的苯基-哒嗪-二酮和经取代的苯基-哒嗪酮衍生物，以及用于制备此类衍生物的方法和中间体。本发明进一步延伸到包含此类衍生物的除草组合物，以及此类化合物和组合物在有用植物的作物中控制不希望的植物生长的用途：特别地控制杂草如阔叶双子叶杂草的用途。