Abstract: Piperazine compounds of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the piperazine compounds of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one piperazine compound of the formula I to act on plants, their seed and/or their habitat.

Abstract: The present invention relates to heteroaroyl-substituted serineamides of the formula I in which the variables A and R1 to R6 are as defined in the description, and to their agriculturally useful salts, to processes and intermediates for their preparation, and to the use of these compounds or of the compositions comprising these compounds for controlling unwanted plants.

Abstract: A process for preparing phenyl iso(thio)cyanates of the formula I in which a compound of the formula II or its HCl adduct is reacted with a phosgenating agent where W is oxygen or sulfur and Ar and A are as defined in claim 1 is described. Moreover, the invention relates to the use of the phenyl iso(thio)cyanates for preparing crop protection agents.

Abstract: A process for preparing phenyl iso(thio)cyanates of the formula I in which a compound of the formula II or its HCl adduct is reacted with a phosgenating agent where W is oxygen or sulfur and Ar and A are as defined in claim 1 is described. Moreover, the invention relates to the use of the phenyl iso(thio)cyanates for preparing crop protection agents.

Abstract: The present invention relates to benzoyl-substituted serinamides of the formula I in which the variables R1 to R11 are as defined in the description, and to their agriculturally useful salts, to processes and intermediates for their preparation, and to the use of these compounds or of compositions comprising these compounds for controlling unwanted plants.

Abstract: Disclosed are 3-heterocyclyl substituted benzoic acid derivatives of general formula (I), in which the variables R1 to R8 and X have the meanings indicated in claim 1, and the use thereof as herbicides or for desiccating/defoliating plants.

Abstract: The present invention relates to herbicidally active compositions comprising at least one piperazinedione compound of the formula I in which: Rx, Ry are each hydrogen or together are a chemical bond; R1 is cyano or nitro; R2 is hydrogen, fluorine, chlorine, C1-C2-alkyl, ethenyl or C1-C2-alkoxy; R3 is fluorine or hydrogen; R4 is methyl; R5 is hydrogen, methyl or ethyl; R6 is hydrogen, methyl or ethyl; and R7 is hydrogen or halogen; and at least one further active compound selected from the group consisting of b1) lipid biosynthesis inhibitors; b2) acetolactate synthase inhibitors (ALS inhibitors); b3) photosynthesis inhibitors; b4) protoporphyrinogen-IX oxidase inhibitors, b5) bleacher herbicides; b6) enolpyruvyl shikimate 3-phosphate synthase inhibitors (EPSP inhibitors); b7) glutamine synthetase inhibitors; b8) 7,8-dihydropteroate synthase inhibitors (DHP inhibitors); b9) mitose inhibitors; b10) inhibitors of the synthesis of very long chain fatty acids (VLCFA inhibitors); b11) cellulose biosynthesis i

Abstract: The present invention relates to piperazine compounds of the general formula I defined below and to their use as herbicides. Moreover, the invention relates to compositions for crop protection and to a method for controlling unwanted vegetation.

Abstract: The present invention relates to piperazine compounds of the general formula I defined below and to their use as herbicides. Moreover, the invention relates to compositions for crop protection and to a method for controlling unwanted vegetation. In formula I, A1, A2 independently of one another are aryl or heteroaryl, where Ra is attached in the ortho-position to the point of attachment of A1 to a carbon atom or a nitrogen atom of A1, Y1, Y2 are oxygen, sulfur or a group NRy1, and the variables Ra, Rb, Rc, Rd, Re, Rf, R1, R2, R3, R4, R5, R6, R7, and R8 have the meanings mentioned in the claims and the description.

Abstract: The invention relates to benzenesulphonamide derivatives of formula (I), methods and intermediate products for production thereof and use of said compounds, or means comprising said compounds for the control of undesired plants and for the desiccation/defoliation of plants.

Abstract: The present invention relates to piperazine compounds of the general formula I defined below and to their use as herbicides. Moreover, the invention relates to compositions for crop protection and to a method for controlling unwanted vegetation.

Abstract: A process is described for preparing 3-phenyl(thio)uracils or 3-phenyldithiouracils of the formula I, by reacting a phenyl iso(thio)cyanate of the formula II with an enamine of the formula III and, if appropriate, in a further step, the resulting 3-phenyl(thio)uracil or 3-phenyldithiouracil of the formula I where R1=R1a, when R1=hydrogen, is reacted with an aminating agent of the formula IV to give 3-phenyl(thio)uracils or 3-phenyldithiouracils of the formula I where R1=amino where the variables R1, R1a, R2, R3, R4, X1, X2, X3, Ar, A and L1 are each as defined in claim 1.

Abstract: The present invention relates to a crystalline form of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)pyrimidinyl]-4-fluoro-N-[[methyl(1-methylethyl)-amino]sulfonyl]benzamide. The invention also relates to a process for the preparation of this crystalline form and to plant protection formulations which comprise this crystalline form of the phenyluracil.

Abstract: The present invention relates to heteroaroyl-substituted serinamides of the formula (I) in which the variables A and R1 to R6 are as defined in the description, and to their agriculturally useful salts, to processes and intermediates for their preparation, and to the use of these compounds or of the compositions comprising these compounds for controlling unwanted plants.

Abstract: The present invention relates to benzoyl-substituted phenylalanineamides of the formula I in which the variables R1 to R15 are as defined in the description, and to their agriculturally useful salts, to processes and intermediates for their preparation and to the use of these compounds or of compositions comprising these compounds for controlling unwanted plants.

Abstract: The present invention relates to hydrates of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)pyrimidinyl]-4-fluoro-N-[[methyl(1-methylethyl)amino]-sulfonyl]benzamide. The invention also relates to a process for the preparation of these hydrates and to plant protection formulations which comprise hydrates of the phenyluracil I.

Abstract: The present invention relates to benzoyl-substituted alanines of the formula I in which the variables R1 to R13 are as defined in the description, and to agriculturally useful salts thereof, to processes and intermediates for their preparation, and to the use of these compounds or of compositions comprising these compounds for controlling unwanted plants.

Abstract: The present invention relates to heteroaroyl-substituted alanines of the formula I in which the variables A and R1 to R8 are as defined in the description, and to their agriculturally useful salts, to processes and intermediates for their preparation, and to the use of these compounds or of compositions comprising these compounds for controlling unwanted plants.

Abstract: The invention relates to the use of piperazine compounds of formula (I) or the agriculturally useful salts of piperazine compounds of formula (I) as herbicides, the variables in formula (I) being defined as cited in the claims and the description.

Abstract: The present invention relates to the use of piperazine compounds of the formula I or of the agriculturally useful salts of piperazine compounds of the formula I as herbicides, where in formula I the variables are as defined in the claims and the description. Moreover, the invention relates to compositions comprising, in addition to auxiliaries customary for formulating crop protection agents, piperazine compounds of the formula I or agriculturally useful salts of I, and to a process for preparing these compositions. Furthermore, the invention relates to certain piperazine compounds of the formula I, a process for preparing piperazine compounds of the formula I and a method for controlling unwanted vegetation which comprises treating plants, their seeds and/or their habitat with at least one piperazine compound of the formula I.