Substituted phenyluracils with herbicidal effect

A phenyluracil of the formula (I)

• in which
• m represents the numbers 0, 1 or 2,
• n represents the numbers 0, 1, 2 or 3,
• Q represents O, S, SO, SO2, NH or N(C1-C4-alkyl),
• R1 represents hydrogen, amino or optionally cyano-, halogen- or C1-C4-alkoxy-substituted alkyl having 1 to 6 carbon atoms,
• R2 represents carboxyl, cyano, carbamoyl, thiocarbamoyl, or represents in each case optionally cyano-, halogen- or C1-C4-alkoxy-substituted alkyl or alkoxy-carbonyl having in each case up to 6 carbon atoms,
• R3 represents hydrogen, halogen or optionally cyano-, halogen- or C1-C4-alkoxy-substituted alkyl having 1 to 6 carbon atoms,
• R4 represents hydrogen, cyano or halogen,
• R5 represents nitro, amino, hydroxyl, carboxyl, cyano, carbamoyl, thiocarbamoyl, sulpho, chlorosulphonyl, aminosulphonyl, halogen, or represents in each case optionally cyano-, halogen- or C1-C4-alkoxy-substituted alkyl, alkoxy, alkyl-thio, alkylsulphinyl, alkylsulphonyl, alkylamino, alkylcarbonyl, alkoxycarbonyl, alkylaminocarbonyl, alkylcarbonylamino, alkoxycarbonylamino or alkyl-sulphonylamino having in each case up to 6 carbon atoms, and
• R6 represents amino or one of the groupings below —NH—R8, —N(R8)2, —NH—SO2—R8, —N(R8)(SO2—R8), —N(SO2—R8)2, —NH—CO—R9, —N(R8)(CO—R9), —N(CO—R9)2, —N(SO2—R8)(CO—R9),
• R7 represents nitro, amino, hydroxyl, mercapto, carboxyl, cyano, carbamoyl, thio-carbamoyl, sulpho, chlorosulphonyl, aminosulphonyl, halogen, or represents in each case optionally cyano-, halogen- or C1-C4-alkoxy-substituted alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkylamino, alkylcarbonyl, alkoxycarbonyl, alkylaminocarbonyl, alkylcarbonylamino, alkoxycarbonyl-amino, alkylsulphonylamino or bis-alkylsulphonyl-amino having in each case up to 6 carbon atoms,
• R8 represents optionally halogen-substituted alkyl having 1 to 6 carbon atoms, represents optionally halogen-substituted alkenyl having 2 to 6 carbon atoms, represents optionally cyano-, halogen- or C1-C4-alkyl-substituted cycloalkyl having 3 to 6 carbon atoms, represents in each case optionally nitro-, cyano-, thiocarbamoyl-, halogen-, C1-C4-alkyl, C1-C4-halogenoalkyl-, C1-C4-alkoxy-, C1-C4-halogenoalkoxy-, C1-C4-alkylthio-, C1-C4-halogenoalkylthio-, C1-C4-alkylsulphinyl-, C1-C4-halogenoalkylsulphinyl-, C1-C4-alkylsulphonyl-, C1-C4-halogenoalkylsulphonyl- or C1-C4-alkoxy-carbonyl-substituted aryl or arylalkyl having in each case 6 or 10 carbon atoms in the aryl group and optionally 1 to 4 carbon atoms in the alkyl moiety, or represents optionally cyano-, halogen-, C1-C4-alkyl-, C1-C4-halogenoalkyl-, C1-C4-alkoxy-, C1-C4-halogenoalkoxy-, C1-C4-alkylthio-, C1-C4-halogenoalkylthio-, C1-C4-alkylsulphinyl-, C1-C4-halogenoalkylsulphinyl-, C1-C4-alkylsulphonyl- or C1-C4-halogenoalkyl-sulphonyl-substituted heterocyclyl selected from the group consisting of furyl, thienyl, oxazolyl, isoxazolyl, pyrazolyl, pyridyl and pyrimidyl, and
• R9 represents hydrogen, represents in each case optionally cyano-, halogen- or C1-C4-alkoxy-substituted alkyl, alkoxy, alkylamino or dialkylamino having in each case 1 to 6 carbon atoms, represents in each case optionally cyano- or halogen-substituted alkenyl or alkinyl having in each case 2 to 6 carbon atoms, represents in each case optionally cyano-, halogen- or C1-C4-alkyl-substituted cycloalkyl or cycloalkylalkyl having in each case 3 to 6 carbon atoms in the cycloalkyl group and optionally 1 to 4 carbon atoms in the alkyl moiety, represents in each case optionally nitro-, cyano-, thiocarbamoyl-, halogen-, C1-C4-alkyl-, C1-C4-halogenoalkyl-, C1-C4-alkoxy-, C1-C4-halogenoalkoxy-, C1-C4-alkylthio-, C1-C4-halogenoalkylthio-, C1-C4-alkylsulphinyl-, C1-C4-halogenoalkylsulphinyl-, C1-C4-alkylsulphonyl-, C1-C4-halogenoalkylsulphonyl- or C1-C4-alkoxy-carbonyl-substituted aryl or arylalkyl having in each case 6 or 10 carbon atoms in the aryl group and optionally 1 to 4 carbon atoms in the alkyl moiety, or represents optionally cyano-, halogen-, C1-C4-alkyl-, C1-C4-halogenoalkyl-, C1-C4-alkoxy-, C1-C4-halogenoalkoxy-, C1-C4-alkylthio-, C1-C4-halogenoalkylthio-, C1-C4-alkylsulphinyl-, C1-C4-halogenoalkylsulphinyl-, C1-C4-alkylsulphonyl- or C1-C4-halogenoalkyl-sulphonylsubstituted heterocyclyl selected from the group consisting of furyl, thienyl, oxazolyl, isoxazolyl, pyrazolyl, pyridyl and pyrimidyl.