| 摘要 |
It has now been found that certain novel benzofuranyl derived uracils have provided unexpected pre-emergent and post-emergent herbicidal efficacy. These compounds are represented by formula IPreferred are those of formula I where R is fluoroalkyl, carboxyalkyl, alkoxycarbonylalkyl, alkoxycarbonylhaloalkyl, alkenoxycarbonylalkyl, or mono- or dialkylaminocarbonylalkyl; X is halogen; Y is hydrogen or halogen; and, Z is methyl or amino. Novel intermediates to the compounds of formula I are also disclosed.
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