申请人:——
公开号:US20030220198A1
公开(公告)日:2003-11-27
This invention relates to new 2-pyrimidinyloxy-N-aryl-benzylamine derivatives, their preparation processes and uses as chemical herbicides in agriculture. The compound has the following structure:
1
wherein, D or E is hydrogen, halogen, C
1
-C
4
alkyl, C
1
-C
4
alkoxy, C
1
-C
4
haloalkyl or C
1
-C
4
haloalkoxy; R
1
is hydrogen, halogen, C
1
-C
4
alkyl, C
1
-C
4
alkoxy; R
2
is hydrogen, halogen, C
1
-C
4
alkyl, C
1
-C
4
alkoxy, C
1
-C
4
carbamyl, C
1
-C
4
alkoxycarbonyl, C
1
-C
4
haloalkyl, cyano, nitro, carboxy or its alkali metal, alkali earth metal and organoammonium salts, C
1
-C
4
alkylamido, C
1
-C
4
haloalkylamido, heterocyclic amido, benzamido or substituted benzamido, benzo or substituted benzo compounds; R
3
is hydrogen, C
1
-C
4
alkanoyl, C
1
-C
4
haloalkanoyl, benzoyl or C
1
-C
4
alkoxyacetyl; X is CH or N; n=1-3.
这项发明涉及新的2-
嘧啶氧基-N-芳基
苄胺衍
生物,它们的制备过程以及它们作为农业
化学除草剂的用途。该化合物具有以下结构:其中,D或E为氢、卤素、C1-C4烷基、C1-C4氧烷基、C1-C4卤代烷基或C1-C4卤代氧烷基;R1为氢、卤素、C1-C4烷基或C1-C4氧烷基;R2为氢、卤素、C1-C4烷基、C1-C4氧烷基、C1-C4
氨基甲酰、C1-C4氧甲酰、C1-C4卤代烷基、
氰基、硝基、羧基或其碱
金属、碱土
金属和有机
铵盐、C1-C4烷基酰胺、C1-C4卤代烷基酰胺、杂环酰胺、苯甲酰胺或取代苯甲酰胺、苯并或取代苯并化合物;R3为氢、C1-C4烷酰、C1-C4卤代烷酰、苯甲酰或C1-C4氧乙酰;X为CH或N;n=1-3。