申请人:Hupe Eike
公开号:US20100167933A1
公开(公告)日:2010-07-01
The present invention relates to piperazine compounds of the general formula I defined below and to their use as herbicides. Moreover, the invention relates to compositions for crop protection and to a method for controlling unwanted vegetation.
In formula I, A
1
, A
2
independently of one another are aryl or heteroaryl, where R
a
is attached in the ortho-position to the point of attachment of A
1
to a carbon atom or a nitrogen atom of A
1
, Y
1
, Y
2
are oxygen, sulfur or a group NR
y1
, and the variables R
a
, R
b
, R
c
, R
d
, R
e
, R
f
, R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
, and R
8
have the meanings mentioned in the claims and the description.
本发明涉及以下通式I所定义的哌嗪化合物及其作为除草剂的用途。此外,本发明还涉及用于作物保护的组合物和控制不良植被的方法。在式I中,A1,A2独立地是芳基或杂芳基,其中Ra连接在A1的一个碳原子或氮原子的正交位上,Y1,Y2是氧、硫或NRy1基团,而变量Ra,Rb,Rc,Rd,Re,Rf,R1,R2,R3,R4,R5,R6,R7和R8的含义在权利要求书和说明书中提到。