申请人:Hupe Eike
公开号:US20100173777A1
公开(公告)日:2010-07-08
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.
R
1
is selected from the group consisting of halogen, cyano, nitro, Z—C(═O)—R
12
, phenyl and a 5- or 6-membered heterocyclic radical which has 1, 2, 3 or 4 heteroatoms selected from the group consisting of O, N and S as ring atoms, where phenyl and the heterocyclic radical are unsubstituted or may have 1, 2, 3 or 4 substituents R
1a
;
Z is a covalent bond or a CH
2
group;
R
12
is hydrogen, C
1
-C
6
-alkyl, C
3
-C
6
-cycloalkyl, C
2
-C
6
-alkenyl, C
5
-C
6
-cycloalkenyl, C
2
-C
6
-alkynyl and the like;
R
2
is hydrogen, halogen, nitro, cyano, C
1
-C
4
-alkyl, C
1
-C
4
-haloalkyl, C
2
-C
4
-alkenyl, C
1
-C
4
-alkoxy, C
1
-C
4
-haloalkoxy, benzyl or a group S(O)
n
R
21
in which R
21
is C
1
-C
4
-alkyl or C
1
-C
4
-haloalkyl and n is 0, 1 or 2;
R
3
is hydrogen or halogen;
R
4
is C
1
-C
4
-alkyl, C
3
-C
4
-alkenyl or C
3
-C
4
-alkynyl;
R
5
is hydrogen, C
1
-C
4
-alkyl, C
3
-C
4
-alkenyl, C
3
-C
4
-alkynyl or a group C(═O)R
51
in which R
51
is hydrogen, C
1
-C
4
-alkyl, C
1
-C
4
-haloalkyl, C
1
-C
4
-alkoxy or C
1
-C
4
-haloalkoxy;
R
6
is C
1
-C
4
-alkyl, C
1
-C
4
-hydroxyalkyl or C
1
-C
4
-haloalkyl;
R
7
, R
8
independently of one another are hydrogen, OH, C
1
-C
4
-alkoxy, C
1
-C
4
-haloalkyloxy, C
1
-C
4
-alkyl or C
1
-C
4
-haloalkyl;
R
9
, R
10
independently of one another are selected from the group consisting of hydrogen, halogen, CN, NO
2
, C
1
-C
4
-alkyl, C
1
-C
4
-haloalkyl, C
2
-C
4
-alkenyl, C
1
-C
4
-alkoxy and C
1
-C
4
-haloalkoxy; and
R
11
is hydrogen or C
1
-C
4
-alkyl;
and the agriculturally useful salts of these compounds.
本发明涉及以下所定义的一般式I的哌嗪化合物以及它们作为除草剂的用途。此外,本发明涉及用于作物保护的组合物和控制不受欢迎的植被的方法。R1选择自卤素、氰基、硝基、Z—C(═O)—R12、苯基和具有1、2、3或4个杂原子(选自O、N和S作为环原子)的5-或6-成员杂环基团,其中苯基和杂环基团未取代或可能具有1、2、3或4个取代基R1a;Z是共价键或CH2基团;R12是氢、C1-C6-烷基、C3-C6-环烷基、C2-C6-烯基、C5-C6-环烯烃基、C2-C6-炔基等;R2是氢、卤素、硝基、氰基、C1-C4-烷基、C1-C4-卤代烷基、C2-C4-烯基、C1-C4-烷氧基、C1-C4-卤代烷氧基、苄基或S(O)nR21基团,其中R21是C1-C4-烷基或C1-C4-卤代烷基,n为0、1或2;R3是氢或卤素;R4是C1-C4-烷基、C3-C4-烯基或C3-C4-炔基;R5是氢、C1-C4-烷基、C3-C4-烯基、C3-C4-炔基或C(═O)R51基团,其中R51是氢、C1-C4-烷基、C1-C4-卤代烷基、C1-C4-烷氧基或C1-C4-卤代烷氧基;R6是C1-C4-烷基、C1-C4-羟基烷基或C1-C4-卤代烷基;R7、R8独立地是氢、羟基、C1-C4-烷氧基、C1-C4-卤代烷氧基、C1-C4-烷基或C1-C4-卤代烷基;R9、R10独立地选择自氢、卤素、氰基、硝基、C1-C4-烷基、C1-C4-卤代烷基、C2-C4-烯基、C1-C4-烷氧基和C1-C4-卤代烷氧基的基团;R11是氢或C1-C4-烷基;以及这些化合物的在农业上有用的盐。