Abstract: The invention relates to a process for preparing aminoglycol by reacting ketoximes with ethylene oxide under basic conditions to give a substituted 2-hydroxyethyl ketoxime and subsequently reacting the latter with an acid to give aminoglycol.

Abstract: The present invention relates to a process for preparing substituted pyrazolyl chlorides by chlorinating aldehydes of the formula (II) under free-radical conditions.

Abstract: The present invention relates to a novel process for preparing known 5-fluoro-1,3-dialkyl-1H-pyrazole-4-carbonyl chlorides which can be used as starting materials for active fungicidal ingredients.

Abstract: The present invention relates to a process for preparing ?-fluorinated esters from ?-hydroxy esters by reaction with a dihalocarbonyl compound (or an equivalent) to give haloformates and further to give fluoroformates, which are then decomposed thermally in the presence of suitable catalysts. The invention further relates to the individual steps of the process and in some cases to novel fluoroformates.

Abstract: The present invention relates to new compounds of the formula (I): in which X, Y and Z have the meanings given in the description and Het represents one of the groups: in which A, B, D and G have the meanings given in the description, a plurality of processes for their preparation, and to their use as pesticides and herbicides.

Abstract: The present invention relates to an improved process for preparing 2-haloacyl-3-aminoacrylic acid derivatives and pyrazole-4-carboxylic acids and derivates thereof obtainable from it.

Abstract: 2,3,4,5-tetrafluorobenzene derivatives can be obtained in a particularly advantageous manner by reacting the corresponding chlorobenzene or (chloro, fluoro)-benzene derivatives with a fluorinating agent in the presence of a solvent and a catalyst at elevated temperature, which comprises carrying out the reaction initially under temperature and pressure conditions such that the respective 2,3,4,5-tetrafluoro-benzene derivative continuously distills off through a column, and subsequently setting temperature and pressure conditions such that residual fractions of the 2,3,4,5-tetrafluorobenzene derivative distill off with the corresponding 2,3,4-trifluoro-5-chloro compound.

Abstract: Fluoroquinolonecarboxylic acids can be prepared by hydrolysis of the corresponding C1-C4-alkyl esters with addition of water, acetic acid, and sulfuric acid using a drastically reduced amount of sulfuric acid if, relative to 1 mol of C1-C4-alkyl fluoroquinolonecarboxylate, less than 30 g of sulfuric acid are employed, the reaction mixture is heated to reflux for 0.5 to 8 hours, then a mixture of acetic acid, C1-C4-alkyl acetate, C1-C4-alkyl alcohol, and optionally water is distilled off, and finally the fluoroquinolonecarboxylic acid prepared is isolated.

Abstract: The present invention relates to new compounds of the formula (I) 1

Abstract: Fluoroquinolonecarboxylic acids can be prepared by hydrolysis of the corresponding C1-C4-alkyl esters with addition of water, acetic acid, and sulfuric acid using a drastically reduced amount of sulfuric acid if, relative to 1 mol of C1-C4-alkyl fluoroquinolonecarboxylate, less than 30 g of sulfuric acid are employed, the reaction mixture is heated to reflux for 0.5 to 8 hours, then a mixture of acetic acid, C1-C4-alkyl acetate, C1-C4-alkyl alcohol, and optionally water is distilled off, and finally the fluoroquinolonecarboxylic acid prepared is isolated.

Abstract: The invention relates to a process for preparing substituted pyridines in a simple and cost-effective manner in good yields by reacting substituted 1,4-dihydropyridines with methyl nitrite in the presence of an acid that contains less than 20% by weight of oxidizing components.

Abstract: The present invention relates to new compounds of the formula (I) in which X, Y and Z have the meanings given in the description and Het represents one of the groups in which A, B, D and G have the meanings given in the description, a plurality of processes for their preparation, and to their use as pesticides and herbicides.

Abstract: The invention relates to a process for preparing substituted pyridines in a simple and cost-effective manner in good yields by reacting substituted 1,4-dihydropyridines with methyl nitrite in the presence of an acid that contains less than 20% by weight of oxidizing components.

Abstract: The invention relates to new 3-thiocarbarnoylpyrazole derivatives of the formula (I) in which Ar represents in each case optionally substituted phenyl or pyridyl, R1 represents H2N—CS— and R2 and R3 are as defined in the description, to a plurality of processes for their preparation and to their use as pesticides.

Abstract: The invention relates to new 3-thiocarbamoylpyrazole derivatives of the formula (I) 1

Abstract: An improved process for preparing quinolone- and naphthyridonecarboxylic acids and esters thereof from benzoyl chlorides and nicotinoyl chlorides, respectively, in which the reaction carried out in the presence of a non-polar to slightly polar solvent without separation of intermediaries that form during the process.

Abstract: Process for the preparation of .alpha.-alkoxy-.alpha.-trifluoromethyl-arylacetic esters of the formula (I) ##STR1## wherein R is a component selected from the group consisting of C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.3 -C.sub.7 -cycloalkyl, C.sub.6 -C.sub.10 -aryl and C.sub.1 -C.sub.6 -halogenoalkyl, R' is selected from the group consisting of C.sub.1 -C.sub.4 -alkyl, X is selected from the group consisting of halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.4 -alkenyl, C.sub.6 -C.sub.10 -aryl or C.sub.1 -C.sub.4 -alkoxy and nitro, and n is zero or an integer from 1 to 3.

Abstract: Cyclopropanecarboxylic acid derivatives are prepared by reacting halogenocyclopropanecarboxylic acid derivatives with metals in the presence of bases and with or without addition of hydrogen in an advantageous manner if the base is added during the reaction. By means of the process according to the invention, good yields and selectivities and a high proportion of cis isomers in the reaction product may be achieved.

Abstract: The present invention relates to mixtures of substituted benzimidazoles and polyether antibiotics or synthetically prepared coccidiostats for controlling parasitic protozoa in livestock.

Abstract: Novel microbicidal compositions based on thiophene-2-carboxylic acid derivatives, some of which are known, of the formula in whichR.sup.1, R.sup.2 and n have the meanings given in the description, and the use of these substances for controlling undesired microorganisms.Novel thiophene-2-carboxylic acid derivatives of the formula ##STR1## in which R.sup.1, R.sup.2 and p have the meanings given in the description, and a process for the preparation of the substances of the formula (I-a).