| 摘要 |
The present invention relates to novel herbicidal phenoxypropionic acid N-alkyl-N-2-fluorophenyl amide compounds represented in the following formula (1), a method for preparing thereof, their use to control barnyard grass produced from rice and composition as suitable herbicides.wherein,R is methyl or ethyl group;X is hydrogen, halogen, cyano, C1~C6 alkyl, C1~C6 alkoxy, C1~C3 haloalkyl substituted with 1 to 3 of halogen atom(s), C1~C3 haloalkoxy substituted with 1 to 3 of halogen atom(s), C2~C4 alkoxyalkoxy, phenox,benzyloxy, C2~C6 alkenyl, C2~C6 alkinyl, C2~C6 alkenyloxy, C2~C6 alkinyloxy, or phenyl group;Y is hydrogen or fluoro;n is an integer of 1 or 2 and when n is 2, X can be in a combination of other substituents.
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