申请人:Takabe Fumiaki
公开号:US20110287937A1
公开(公告)日:2011-11-24
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], X
1
is an oxygen atom or a sulfur atom; X
2
, X
3
, and X
4
are to each CH or N(O)
m
; m is an integer of 0 or 1; R
1
is a hydrogen atom, a C
1-12
alkyl group, or the like; R
2
is a halogen atom, a cyano group, or the like; n is an integer of 0 to 4; R
3
is a hydroxyl group, a halogen atom, or the like; A
1
is C(R
11
R
12
); A
2
is C(R
13
R
14
) or C═O; A
3
is C(R
15
R
16
); and R
11
, R
12
, R
13
, R
14
, R
15
, and R
16
are each independently a hydrogen atom or a C
1-6
alkyl group.
提供了具有优异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;以及含有这些化合物的除草剂。更详细地说,提供了通式[I]所表示的2-吡啶酮衍生物或其农药可接受的盐,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分别独立地是氢原子或C1-6烷基基团。