申请人:——
公开号:US20030162662A1
公开(公告)日:2003-08-28
The invention relates to 2-phenyl-2H-pyridazin-3-ones of the general formula I
1
in which the variables R
1
, R
2
, X, Y and Z have the following meanings:
X is halogen;
Y is fluorine or chlorine;
Z is oxygen;
R
1
is hydrogen or C
1
-C
4
-alkyl;
R
2
is chlorine, OR
3
or NR
4
R
5
, in which R
3
, R
4
and R
5
have the meanings indicated in claim 1,
Z can also be a group NR
6
if R
2
is a group OR
7
, in which R
6
and R
7
have the meanings indicated in claim 1,
and to the agriculturally utilizable salts of compounds of the formula I.
The invention furthermore relates to the use of compounds I and their salts as herbicides and/or for the desiccation and/or defoliation of plants, herbicidal compositions and compositions for the desiccation and/or defoliation of plants, which contain the compounds I and/or their salts as active substances, and processes for controlling undesired vegetation (weeds) and for the desiccation and/or defoliation of plants using the compounds I and/or their salts.
该发明涉及一般式I中的2-苯基-2H-吡啶并三酮,其中变量R1、R2、X、Y和Z具有以下含义:X为卤素;Y为氟或氯;Z为氧;R1为氢或C1-C4-烷基;R2为氯、OR3或NR4R5,其中R3、R4和R5具有权利要求1中所指的含义,如果R2为OR7,则Z也可以是NR6基团,其中R6和R7具有权利要求1中所指的含义,并且该发明还涉及一般式I化合物的农业可利用盐。此外,该发明涉及将化合物I及其盐用作除草剂和/或用于植物脱水和/或落叶,含有化合物I和/或其盐作为活性物质的除草剂组合物和用于植物脱水和/或落叶的组合物,以及利用化合物I和/或其盐控制不受欢迎的植被(杂草)和对植物进行脱水和/或落叶的过程。