1-Amino-3-benzyluracils use of these herbicidal agents and for the desiccation and / or defoliation of plants processes for the preparation of herbicidal agents and desiccant and / or defoliating agents to combat unwanted plant growth for desiccation and / or defoliation of plants and for the preparation of 1-amino-3-benzyluracil enamine ester and enamine carboxylate

摘要

1-Amino-3-benzyluracils I(X=oxygen, sulfur;R1=C1-C4-haloalkyl;R2=H, halogen; R3, R7=H, CN, SCN, halogen, C1-C4-haloalkyl, C1-C4-haloalkoxy, C1-C4-haloalkylthio;R4=H, CN, SCN, halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-haloalkoxy, C1-C4-haloalkylthio, C1-C6-alkylaminocarbonyl;R5=H, CN, NO2, halogen, OH, C1-C4-alkoxy, NH2, C1-C6-alkyl-amino;R6=H, CN, NO2, halogen, OH, C1-C4-alkoxy, NH2, C1-C6-alkyl-amino, CHO)and their salts are used as herbicides and for the desiccation/defoliation of plants.