| 摘要 |
The invention concerns 1-amino-3-benzyluracils of formula (I) and their salts. In said formula (I), R1 = halogen; R2, R3 = H, CN, SCN, halogen, C1-C4-alkyl halide, C1-C4-alkoxy halide, C1-C4-alkylthio halide; R4 = R3 + C1-C4-alkyl, C1C4-alkoxy, C1-C6-alkyl-NH-CO-; R5 = H, CN, NO2, OH, halogen, optionally substituted NH2, optionally substituted C1-C6-alkoxy halide, C1-C6-alkylthio halide, C1-C6-alkoxy, C1-C6-alkylthio, C3-C8-cycloalkoxy, C3-C8-cycloalkylthio, C3-C6-alkenyloxy, C3-C6-alkenylthio, C3-C6-alkinyloxy, C3-C6-alkinylthio, C1-C6-alkyl-COO-, C1-C6-alkyl-COS-, C3-C6-alkenyl-COO-, C3-C6-alkenyl-COS-, C3-C6-alkinyl-COO-, C3-C6-alkinyl-COS-, C1-C6-alkyl-SO2-O- or C1C6-alkyl-SO2-; R6 = 1) H, OH, SH, halogen, C1-C6-alkoxy halide, C1C6-alkylthio halide, C1-C6-alkylthio-(C1-C6-alkyl)carbonyl, C1-C6-alkyliminooxy-CO-, 2) optionally substituted C1C6-alkoxy, C1-C6-alkylthio, C3-C8-cycloalkoxy, C3-C8-cycloalkylthio, C2-C6-alkenyloxy, C2-C6-alkenylthio, C2-C6-alkinyloxy, C2-C6-alkinylthio, C1-C6-alkyl-COO-, C2-C6-alkyl-COS-, C1-C6-alkoxy-COO-, C2-C6-alkenyl-COO-, C2-C6-alkenyl-COS-, C2-C6-alkinyl-COO-, C2-C6-alkinyl-COS-, C1C6-alkyl-SO2-O-, C1-C6-alkyl-SO2-, 3) -CY-R11 {Y = -O-, -S-, optionally substituted -NH-}, -C(R11)(Z1R12)(Z2R13) {Z1, Z2 = -O-, -S-}, -C(R11)=C(R14)-CN, -C(R11)=C(R14)-CO-R15, -CH(R11)-CH(R14)-CO-R15, -C(R11)=C(R14)-CH2-CO-R15, -C(R11)=C(R14)-C(R16)=C(R17)-CO-R15, -C(R11)=C(R14)-CH2-CH(R18)-CO-R15, -CO-OR19, -CO-SR19, -CO-N(R19)-OR20, -CC-CO-NH-OR20, -CC-CO-N(R19)-OR20, -CC-CS-NH-OR20, -CC-CS-N(R19)-OR20, -C(R11)=C(R14)-CO-NH-OR20, -C(R11)=C(R14)-CO-N(R19)-OR20,-C(R11)=C(R14)-CS-NH-OR20, -C(R11)=C(R14)-CS-N(R19)-OR20, -C(R11)=C(R14)-C(R21)=N-OR20, -C(R21)=N-OR20, -CC-C(R21)=N-OR20, -C(Z1R12)(Z2R13)-OR19, C(Z1R12)(Z2R13)-SR19, -C(Z1R12)(Z2R13)-N(R23)R24, optionally substituted amino or -CONH2, azaheterocyclyl, -CO-azaheterocyclyl, or a chain comprising (N + O or N + O + S) heterocyclyl. These compounds can be used as herbicides for desiccating/defoliating plants.
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