申请人:Kumiai Chemical Industry Co., Ltd.
公开号:US08334236B2
公开(公告)日:2012-12-18
Provided are 2-pyridone derivatives which have excellent herbicidal activity and exhibit high safety to useful crops and so on; salts thereof; and herbicides containing same. In more detail, 2-pyridone derivatives represented by general formula [I] or agrochemically acceptable salts thereof, and herbicides containing these compounds are provided. In general formula [I], X1 is an oxygen atom or a sulfur atom; X2, X3, and X4 are to each CH or N(O)m; m is an integer of 0 or 1; R1 is a hydrogen atom, a C1-12 alkyl group, or the like; R2 is a halogen atom, a cyano group, or the like; n is an integer of 0 to 4; R3 is a hydroxyl group, a halogen atom, or the like; A1 is C(R11R12); A2 is C(R13R14) or C═O; A3 is C(R15R16); and R11, R12, R13, R14, R15, and R16 are each independently a hydrogen atom or a C1-6 alkyl group.
提供了具有出色除草活性并对有用作物等表现出高安全性的2-吡啶酮衍生物;其盐;以及含有它们的除草剂。更详细地说,提供了由通式[I]表示的2-吡啶酮衍生物或农药上可接受的盐,以及含有这些化合物的除草剂。在通式[I]中,X1是氧原子或硫原子;X2、X3和X4分别为CH或N(O)m;m是0或1的整数;R1是氢原子、C1-12烷基或类似物;R2是卤素原子、氰基或类似物;n是0到4的整数;R3是羟基、卤素原子或类似物;A1是C(R11R12);A2是C(R13R14)或C═O;A3是C(R15R16);R11、R12、R13、R14、R15和R16各自独立地是氢原子或C1-6烷基。