Abstract: 3-(Heterocyclyl)benzoylpyrazole derivatives of the formula I where: X is O, NH or N-alkyl; R1 is nitro, halogen, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfonyl or haloalkylsulfonyl; R2,R3,R4,R5 are hydrogen, alkyl or haloalkyl; R6 is halogen, nitro, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfonyl or haloalkylsulfonyl; R7 is hydroxyl, alkoxy, alkenyloxy, alkylsulfonyloxy, alkylcarbonyloxy, (alkylthio)carbonyloxy, phenylsulfonyloxy or phenylcarbonyloxy, where the phenyl radical may be substituted; R8,R9 are alkyl; R10 is hydrogen or alkyl; R11 is hydrogen or alkyl; and their agriculturally useful salts, compounds for their preparation, and the use of these compounds or of compositions comprising them for controlling undesirable plants are described.

Abstract: A process for removing impurities from 3-(2′-acetoxyethyl)dihydro-2(3H)furanone (I), where the 3-(2′-acetoxyethyl)dihydro-2(3H)furanone containing the undesirable impurities is initially prepared in a manner known per se by acetylation of 3-(2′-hydroxyethyl)dihydro-2(3H)furanone and the resulting product is subsequently subjected to a distillation or rectification, includes carrying out the distillation or rectification in a plurality of steps, where high-boiling impurities are removed in a first step, the product which is drawn off via the top is subsequently subjected to at least one further step in which low-boilers and intermediate boilers are drawn off via the top and the desired pure I is obtained as bottom product.

Abstract: Hetaroyl derivatives of the formula I where: R1 and R2 are each hydrogen, nitro, halogen, cyano, thiocyanato, hydroxyl, mercapto, C1-C6-alkyl, C1-C6-alkoxy, C1-C6-alkylthio, C1-C6-alkylsulfinyl, C1-C6-alkylsulfonyl or C1-C6-alkoxysulfonyl, where the last 6 radicals may be substituted and/or functionalized; phenyl, phenoxy, phenylthio, phenylsulfinyl or phenylsulfonyl, where the last 5 radicals may be substituted; Z is an unsubstituted or substituted four-membered unsaturated, partially or fully saturated chain consisting of three carbons and one nitrogen; Q is unsubstituted or substituted cyclohexane-1,3-dione linked at position 2; and their agriculturally useful salts. A process for preparing the hetaroyl derivatives, compositions comprising them, and the use of these derivatives or these compositions comprising them for controlling undesirable plants.

Abstract: Cycloalkyl-substituted benzoylpyrazoles of the formula I where the variables have, for example, the following meanings: R1 is hydrogen, nitro, halogen, cyano, thiocyanato, or an unsubstituted or substituted aliphatic radical; R2 is an unsubstituted or substituted aliphatic radical, halogen, nitro, or substituted sulfonyl or amino groups, R3 is hydrogen, halogen, C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy, C2-C6-alkenyl or C2-C6-alkynyl; R4, R5 are hydrogen, nitro, halogen, cyano, thiocyanato, an unsubstituted or substituted aliphatic radical or substituted sulfonyl or amino groups; R6 is hydrogen, halogen, C1-C6-alkyl, C1-C6-alkoxy, C3-C8-cycloalkyl; R7 is a cyclic ring system having 3-14 ring atoms; R16 is hydroxyl or a substituted hydroxyl group; and their tautomers or agriculturally useful salts are described.

Abstract: A process for preparing compounds of the formula I in which R1 is hydrogen, an aliphatic group having 1-8 carbon atoms, C1-C6-alkoxycarbonyl, C1-C6-alkylthiocarbonyl or a cyclic ring system having 3-14 ring atoms, and R2 is hydrogen, an aliphatic group having 1-8 carbon atoms, or R1 and R2 together with the carbon atom to which they are bound form a cyclic or bicyclic ring system having 3-14 ring atoms, comprises the preparation of compounds of the formula II  in which R3 and R4 are readily detachable groups and R1 and R2 are as defined above, as starting materials or intermediates and the cyclization of these under suitable reaction conditions to give compounds of the formula I.

Abstract: The present invention describes a process for preparing isoxazoles of the formula I where: R1 is hydrogen, C1-C6-alkyl, R2 is hydrogen, C1-C6-alkyl, R3, R4, R5 are each hydrogen, C1-C6-alkyl or R4 and R5 together from a bond, R6 is a heterocysclic ring, n is 0, 1 or 2; which comprises preparing an intermediate of the formula VI where R1, R3, R4 and R5 are each as defined above, followed by halogenation, thiomethylation, oxidation and acylation to give compounds of the formula I. Furthermore, the invention describes novel intermediates for preparing the compounds of the formula I and novel processes for preparing the intermediates.

Abstract: 2-Phenoxyphenylacetic acid derivatives of the formula I where the substituents and the index have the following meanings: A is  where R1 is halogen, C1-C4-alkyl, C1-C4-alkoxy, CF3, C1-C4-haloalkoxy, formyl, C(═O)NRaRb or C(Ra)═NORb; Ra is hydrogen or C1-C4-alkyl; Rb is C1-C4-alkyl; n is 1, 2, 3 or 4, where the groups R1 may be different if n is not 1; R2 is halogen, CH3 or CF3; m is 0 or 1; and X is OCH3 or NHCH3; processes and intermediates for preparing the compounds I and the use of the compounds I for controlling harmful fungi are described.

Abstract: The process for preparing alkenyl-substituted bis(oxime ether) derivatives of the formula I where: R1 is unsubstituted C1-C4-alkyl or C2-C4-alkenyl-, C2-C4-alkynyl- or phenyl-substituted methyl; R2, R4 independently of one another are hydrogen or methyl; R3, R5 independently of one another are hydrogen or C1-C4-alkyl, trifluoromethyl or phenyl and X is —C(═CHCH3)—COOCH3, —C(═CHOCH3)—COOCH3, —C(═NOCH3)—COOCH3, —C(═NOCH3)—CONHCH3 or —N(OCH3)—COOCH3, and intermediates which are obtainable by this process are described. Alkenyl-substituted bis(oxime ether) derivatives of the formula I are described in the literature as interesting crop protection agents.

Abstract: The invention relates to a process for preparing 1-substituted 5- and/or 3-hydroxypyrazoles of the formulae I and II in which R1 is C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C6-cycloalkyl or C1-C4-alkoxy, where these groups may be substituted by halogen, C1-C4-alkoxy, phenoxy, C1-C6-alkoxycarbonyl, C1-C6-alkylthiocarbonyl or by a cyclic ring system having 3-14 ring atoms, which comprises reacting an alkyl 3-alkoxyacrylate of the formula III in which R2, R3 independently of one another are C1-C6-alkyl or C3-C6-cycloalkyl with a hydrazine of the formula IV in which R1 is as defined above a) at a pH of 6-11 to give 5-hydroxypyrazoles of the formula I or b) at a pH of 11-14 to give 3-hydroxypyrazoles of the formula II.

Abstract: Substituted 2-(2′-pyridyloxy)phenylacetamides I, where R1 is fluorine, chlorine, CH3 or halomethyl; R2 is fluorine, bromine, alkyl or halomethyl; R3 is hydrogen or one of the radicals mentioned under R2; and R2 is 6-chloro if R3 is hydrogen, R3 is 5-chloro if R2 is fluorine and the compound in which R1, R2 and R3 are each chlorine with the proviso that R1 may not be chlorine if R2 is 5-trifluoromethyl and R3 is hydrogen, and processes for their preparation and their use for controlling harmful fungi and animal pests are described.

Abstract: Thiochromanoylpyrazolone derivatives of the formula I where: A is an unsubstituted or substituted, saturated or unsaturated alkyl chain; R1 is cyano, thiocyanato, nitro, OR4, SR5, SOR6, S02R6, ONR6NR7, ON═CR6R8, NR9R10, P(O)R11R12, P(S)R11R12, COR, CO2R6, unsubstituted or substituted phenyl or heterocyclyl; R2 is alkyl, haloalkyl, alkoxy or haloalkoxy; R3 is hydrogen, alkyl or halogen; X is oxygen, sulfur, S═O, S(═O)2, CR13R14, C═O or C═NR15; m is 0, 1 or 2; n is 0, 1, 2, 3 or 4; R16 is substituted pyrazol-4-yl-carbonyl or substituted (4,5-dihydro-5-oxo-pyrazol-4-yl)methylidene; and their agriculturally useful salts; Processes for preparing the thiochromanoylpyrazolone derivatives, compositions comprising them, and the use of these derivatives or of the compositions comprising them for controlling undesirable plants are described.

Abstract: A process for preparing bis(oxime) monoethers of the formula I, where: R1 is unsbustituted C1-C4-alkyl or C2-C4-alkenyl-, C2-C4-alkynyl- or phenyl-substituted methyl; R2,R4 independently of one another are hydrogen or methyl; R3,R5 independently of one another are hydrogen or C1-C4-alkyl, trifluoromethyl or phenyl, and intermediates which are obtainable by this process are described.

Abstract: The invention relates to a method for the production of 1-substituted 5-hydroxypyrazoles of formula (I) wherein R1 is C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkinyl, C3-C6-cycloalkyl or C1-C4-alkoxy, whereby these groups can be substituted by halogen, C1-C4-alkoxy, phenoxy, C1-C6-alkoxycarbonyl, C1-C6-alkylthiocarbonyl or a cyclic ring system with 3-14 ring atoms, by reacting a) an alkylvinylether of general formula (III) wherein R2 is C1-C6-alkyl or C3-C6-cycloalkyl, with phosgene (IVa), “diphosgene” (IVb) or “triphosgene” (IVc) to form acid chlorides of formula (V), b) transforming said acid chlorides by eliminating hydrogen chloride into the corresponding 3-alkoxyacrylic acid chloride of formula (VI) and c) reacting said acid chloride with hydrazines of formula (VII) wherein R1 has the above cited meaning, to form 5-hydroxypyrazoles of formula (I).

Abstract: 3-Aryluracils of the formula I wherein A is hydrogen, methyl or amino; X is oxygen or —N(R7)— (R7=H alkyl, alkenyl, alkynyl, alkylcarbonyl or alkoxyalkyl); Y1 is oxygen or sulfur; Z is oxygen or —N(R8)— (R8=H, alkyl, alkenyl, alkynyl or alkoxyalkyl); R1 is hydrogen or halogen; R2 is hydrogen, halogen, alkyl, haloalkyl, alkylthio, alkylsulfenyl or alkylsulfonyl; R3 is hydrogen, halogen or alkyl; R4 is hydrogen; or optionally substituted alkyl, cycloalkyl, haloalkyl, alkenyl, alkynyl, alkylcarbonyl, alkenylcarbonyl, alkynylcarbonyl or alkylsulfonyl, R5, R6 are hydrogen, alkyl, alkenyl, alkynyl or alkoxyalkyl; or R6, R8 are together a second chemical bond, methods and intermediates for their manufacture, and their use as herbicides or for the desiccation or defoliation of plants.

Abstract: Pyrazol-4-ylbenzoyl derivatives where the substituents L, M, X, Y and n have the meanings given in claim 1 and Q is a pyrazole ring, linked in the 4-position, of the formula II where R15 is C1-C4-alkyl, R16 is hydrogen, C1-C4-alkyl or C1-C4-haloalkyl and R17 is hydrogen, C1-C4-alkylsulfonyl, phenylsulfonyl or alkylphenylsulfonyl, where, in the event that Y=C═O, X is other than NR23, agriculturally useful salts, a process for their preparation, and their use as herbicides.

Abstract: 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.

Abstract: Phenylacetic acid derivatives of the formula I where the substituents and the indexes have the meanings given in the specification, their salts, their preparation and their use.

Abstract: Hetaroyl derivatives of the formula I where: R1 and R2 are each hydrogen, nitro, halogen, cyano, thiocyanato, hydroxyl, mercapto, C1-C6-alkyl, C1-C6-alkoxy, C1-C6-alkylthio, C1-C6-alkylsulfinyl, C1-C6-alkylsulfonyl or C1-C6-alkoxysulfonyl, where the last 6 radicals may be substituted and/or functionalized; phenyl, phenoxy, phenylthio, phenylsulfinyl or phenylsulfonyl, where the last 5 radicals may be substituted; Z is an unsubstituted or substituted four-membered unsaturated, partially or fully saturated chain consisting of three carbons and one nitrogen; Q is unsubstituted or substituted hydroxypyrazole linked at position 4; and their agriculturally useful salts. A process for preparing the hetaroyl derivatives, compositions comprising them, and the use of these derivatives or these compositions comprising them for controlling undesirable plants.

Abstract: The invention relates to a method for producing N-acylated (hetero)aromatic hydroxylamine derivatives of formula (I), wherein the substituents, the ring atom and the index have the meanings give in the Description, by hydrogenating a (hetero)aromatic nitro-compound of general formula (II) in the presence of a hydrogenation catalyst.

Abstract: Imino-substituted phenyl compounds of the formula I where the substituents have the following meanings: z is a group A or B  where  # denotes the bond with the phenyl ring and  Ra is halogen, alkyl or alkoxy; y is halogen, alkyl, haloalkyl or alkoxy; n is 0, 1 or 2, it being possible for the radicals Y to be different if n=2; R1 is halogen, haloalkyl or alkoxy; R2 is alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl or haloalkynyl; R3 is cyano, alkyl, haloalkyl, alkoxy, cycloalkoxy, alkoxyalkyl;  unsubstituted or substituted cycloalkyl, aryl, aryloxy or arylmethylene, heteroaryl, heterocyclyl,  C(R3a)═N—OR3b or C(R3a)═CR3cR3d, where R3a, R3b, R3c, R3d independently of one another are hydrogen, alkyl or unsubstituted or substituted phenyl, processes for their preparation, and their use.