Substituted benzoylcyclohexenones and their use as herbicidal agents

Compounds of the formula (I)

• 454
• in which
• Q represents O (oxygen) or S (sulphur),
• R1 represents hydrogen, halogen or in each case optionally substituted alkyl, alkylthio or aryl,
• R2 represents hydrogen, halogen or optionally substituted alkyl, or together with R1 represents O (oxygen) or alkanediyl (alkylene),
• R3 represents hydrogen, nitro, cyano, carboxyl, carbamoyl, thiocarbamoyl, halogen, or in each case optionally substituted alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkylamino, dialkylamino, dialkylaminocarbonyl or dialkylaminosulphonyl,
• R4 represents hydrogen, nitro, cyano, carboxyl, carbamoyl, thiocarbamoyl, halogen, or in each case optionally substituted alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkylamino, dialkylamino, dialkylaminocarbonyl or dialkylaminosulphonyl,
• R5 represents hydrogen or in each case optionally substituted alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, aryl, arylthio, arylsulphinyl, arylsulphonyl, arylalkyl, or represents the grouping —C(Q)-Z,
• Y represents hydroxyl, halogen or in each case optionally substituted alkoxy, aLkylthio, alkylsulphinyl, alkylsulphonyl, alkylcarbonyloxy, alkoxycarbonyloxy, alkylaminocarbonyloxy, alkylsulphonyloxy, alkenyloxy, alkinyloxy, aryloxy, arylthio, arylsulphinyl, arylsulphonyl, arylcarbonyloxy, arylcarbonylalkoxy, arylsulphonyloxy, arylalkoxy, arylalkylthio, arylaltkylsulphinyl or arylalkylsulphonyl, and
• Z represents hydrogen, amino, cyanoamino, nitroamino, hydroxyamino, hydrazino, or represents in each case optionally substituted alkyl, alkylcarbonyl, alkoxy, alkoxycarbonyl, alkylthio, alkylamino, alkoxyamino, alkylhydrazino, alkylcarbonylhydrazino, alkoxycarbonylhydrazino, alkylsulphonylhydrazino, dialkylamino, N-alkyl-alkoxyamino, dialkylhydrazino, alkenyl, alkenyloxy, alkenylamino, alkenyloxyamino, alkinyl, alkinyloxy, alkinylamino, cycloalkyl, cycloalkyloxy, cycloalkylamino, cycloalkylhydrazino, cycloalkylalkyl, cycloalkylalkoxy, cycloalkylalkylamino, aryl, arylcarbonyl, aryloxy, aryloxycarbonyl, arylthio, arylamino, arylhydrazino, arylalkyl, arylalkoxy, arylalkylthio, arylalkylamino, heterocyclyl, heterocyclyloxy, heterocyclylthio, heterocyclylamino, the grouping —N=(heterocyclyl), heterocyclylalkyl, heterocyclylalkoxy, heterocyclylalkylthio or heterocyclylalkylamino,
• including all possible tautomeric forms of the compounds of the general formula (I) and the possible salts of the compounds of the general formula (I)
• except for the compounds N-[2,6-dichloro-3-[(3,3-dimethyl-2,6-dioxo-cyclohexyl)-carbonyl]-phenyl]-acetamide, N-[2-chloro-3-[(2,6-dioxo-cyclohexyl)-carbonyl]4-nitro-phenyl]-acetamide and N-[2-chloro-3-[(2,6-dioxo-cyclohexyl)-carbonyl]-phenyl]-acetamide and N-[2,6-dichloro-3-[(2,6-dioxo-cyclohexyl)-carbonyl]-phenyl]-acetamide.