Abstract: The invention relates to a process for the preparation of 5-bromo-1,3-dichloro-2-fluoro-benzene by diazotization and reduction of 6-bromo-2,4-dichloro-3-fluoro-aniline, which is obtained by bromination of 2,4-dichloro-3-fluoro-aniline, which is obtained by reduction of 1,3-dichloro-2-fluoro-4-nitro-benzene, and a process for preparing active compounds of formula V (Formula V) wherein the variables are defined in the specification by further transforming 5-bromo-1,3-dichloro-2-fluoro-benzene obtained from 2,4-dichloro-3-fluoro-aniline by the process according to the invention.

Abstract: Pesticidal mixtures comprising as active compounds 1) 1-[(1RS)-1,2-dimethylpropyl]-N-ethyl-5-methyl-N-pyridazin-4-yl-1H-pyrazole-4-carboxamide and 2) at least one further compound B selected from B.1) Succinate dehydrogenase inhibitors as defined in the specification; B.2) Inhibitors of oxysterol binding protein as defined in the specification; B.3) Inhibitors of complex III at Qi site selected from: a) florylpicoxamid, and b) fenpicox-amid; B.4) Strobilurins as defined in the specification; B.5) Inhibitors of C14-demethylase in sterol biosynthesis as defined in the specification; B.6) Inhibitors of cell division and cytoskeleton as defined in the specification, B.7) Other compounds of unknown mode of action as defined in the specification; and B.

Abstract: The present invention relates to a novel crystalline form of 1-(1,2-dimethylpropyl)-N-ethyl-5-methyl-N-pyridazin-4-yl-pyrazole-4-carboxamide recently assigned the common name dimpropyridaz. The invention also relates to the use of the crystalline form B for combating invertebrate pests and to formulations for plant protection which contain the crystalline form B of 1-(1,2-dimethylpropyl)-N-ethyl-5-methyl-N-pyridazin-4-yl-pyrazole-4-carboxamide. The crystalline form B according to the present invention can be identified by powder X-ray diffractometry on the basis of its powder X-ray diffraction diagram, hereinafter also termed powder X-ray diffraction pattern or PXRD pattern, of the polymorph form B recorded using Cu—K? radiation (1.54178 ?) at 25° C. displays the 3 following reflections, quoted as 2? values: 20.69±0.10°, 24.15±0.10° and 30.52±0.10°.

Abstract: The invention relates to a process for the preparation of 5-bromo-1,3-dichloro-2-fluoro-benzene by diazotization and reduction of 6-bromo-2,4-dichloro-3-fluoro-aniline, which is obtained by bromination of 2,4-dichloro-3-fluoro-aniline, which is obtained by reduction of 1,3-dichloro-2-fluoro-4-nitro-benzene, and a process for preparing active compounds of formula V (Formula V) wherein the variables are defined in the specification by further transforming 5-bromo-1,3-dichloro-2-fluoro-benzene obtained from 2,4-dichloro-3-fluoro-aniline by the process according to the invention.

Abstract: Provided herein is a process for preparing a pyridazine amine compound of formula V, and a process for preparing dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof. Further, provided herein are dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof, wherein the amino group is an ethylamino group.

Abstract: Provided herein is a process for preparing a pyridazine amine compound of formula V, and a process for preparing dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof. Further, provided herein are novel dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof, wherein the amino group is an ethylamino group.

Abstract: The present invention relates to a catalytic process for preparing pyrazoles of formula V comprising the step of cyclizing hydrazone substituted ?,?-unsaturated carbonyl compounds by reacting them with hydrogen in a reaction mixture comprising as components (a) a hydrogenation catalyst, (b) an acid selected from Brønsted acids, ammonium salts of Brønsted acids, and Lewis acids, (c) a protic solvent, and optionally (d) an aprotic solvent.

Abstract: The present invention relates to a process for the purification of pyrazolpyridazines of formula I wherein the variables are as defined in the specification, by adding HCl to a solution of the pyrazolpyridazine in an inert solvent under non-aqueous conditions, effecting crystallization of the HCl-salt, isolating the resulting precipitate.

Abstract: Compositions and methods of using a pesticidal mixture PM that includes at least one compound of formula I defined above, an insecticide and a fungicide for protecting crop, plant propagation material, or soil or water in which the plants are growing, against attack or infestation by invertebrate pests and/or phytopathogenic fungi are described. Also described is a seed treatment composition that includes the pesticidal mixture PM, as well as seeds treated using the pesticidal mixture PM or the seed treatment composition. Methods for controlling invertebrate pests and/or phytopathogenic fungi on crop plants are described that include contacting the plant or the plant propagation material; the pest or its food supply, habitat or breeding ground; and/or the fungi or habitat, with an effective amount of the pesticidal mixture PM or the seed treatment composition. Binary mixtures of a compound of formula I and a second pesticidal component are also described.

Abstract: Pesticidal mixtures comprising as active compounds 1) at least one pyrazole compound A of formula I: wherein the variables are as defined in the specification, and 2) at least one further compound B selected from 4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4H-isoxazol-3-yl]-N-[(4R)-2-ethyl-3-oxo-isoxazolidin-4-yl]-2-methyl-benzamide; 4-[(5S)-5-(3,5-dichloro-4-fluoro-phenyl)-5-(trifluoromethyl)-4H-isoxazol-3-yl]-N-[(4R)-2-ethyl-3-oxo-isoxazolidin-4-yl]-2-methyl-benzamide; N-[4-Chloro-3-[[(phenylmethyl)-amino]-carbonyl]-phenyl]-1-methyl-3-(1,1,2,2,2-pentafluoroethyl)-4-(trifluoromethyl)-1H-pyrazole-5-carboxamide; N-[4-chloro-3-(cyclopropylcarbamoyl)phenyl]-2-methyl-5-(1,1,2,2,2-pentafluoroethyl)-4-(trifluoromethyl)pyrazole-3-carboxamide; N-[4-chloro-3-[(1-cyanocyclopropyl)carbamoyl]phenyl]-2-methyl-5-(1,1,2,2,2-pentafluoroethyl)-4-(trifluoromethyl)pyrazole-3-carboxamide; 2-chloro-N-(1-cyanocy-clopropyl)-5-[1-[2-methyl-5-(1,1,2,2,2-pentafluoroethyl)-4-(trifluoromethyl)pyrazol-3-yl]pyrazol-4-yl]benzamide;

Abstract: Compositions and methods of using a pesticidal mixture PM that includes at least one compound of formula I defined above, an insecticide and a fungicide for protecting crop, plant propagation material, or soil or water in which the plants are growing, against attack or infestation by invertebrate pests and/or phytopathogenic fungi are described. Also described is a seed treatment composition that includes the pesticidal mixture PM, as well as seeds treated using the pesticidal mixture PM or the seed treatment composition. Methods for controlling invertebrate pests and/or phytopathogenic fungi on crop plants are described that include contacting the plant or the plant propagation material; the pest or its food supply, habitat or breeding ground; and/or the fungi or habitat, with an effective amount of the pesticidal mixture PM or the seed treatment composition. Binary mixtures of a compound of formula I and a second pesticidal component are also described.

Abstract: Provided herein is a process for preparing a pyridazine amine compound of formula V, and a process for preparing dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof. Further, provided herein are novel dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof, wherein the amino group is an ethylamino group.

Abstract: Provided herein is a process for preparing a pyridazine amine compound of formula V, and a process for preparing dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof. Further, provided herein are novel dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof, wherein the amino group is an ethylamino group.

Abstract: Compounds of formula I a process for preparation of compounds of formula I; precursor compounds of formula II a process for preparation of precursor compounds of formula II; compounds of formula III a process for the preparation of compounds of formula IV from compounds of formula III and the use of compounds of formula I for the preparation of compounds of formula IV.

Abstract: The present invention relates to a process for preparing a pyrazole compound of formula V, which comprises cyclizing a hydrazone substituted ?,?-unsaturated carbonyl compound of formula IV by reacting it with a suitable reagent, e.g. a reducing agent, an organometallic reagent or a nucleophilic reagent. The compounds of formula V are versatile reaction tools for the preparation of pyrazole derived fine chemicals. The present invention also relates to pyrazole compounds of formulae Va, Vb, Vc, and VI.

Abstract: The present invention relates to a process for the purification of pyrazolpyridazines of formula I wherein the variables are as defined in the specification, by adding HCl to a solution of the pyrazolpyridazine in an inert solvent under non-aqueous conditions, effecting crystallization of the HCl-salt, isolating the resulting precipitate.

Abstract: Compounds of formula I a process for preparation of compounds of formula I; precursor compounds of formula II a process for preparation of precursor compounds of formula II; compounds of formula III a process for the preparation of compounds of formula IV from compounds of formula III and the use of compounds of formula I for the preparation of compounds of formula IV.

Abstract: The present invention relates to a process for preparing a pyrazole compound of formula V, the process including cyclizing a hydrazone substituted ?,?-unsaturated carbonyl compound of formula IV by reacting it with a suitable reagent, e.g. a reducing agent, an organometallic reagent or a nucleophilic reagent. The compounds of formula V are versatile reaction tools for the preparation of pyrazole derived fine chemicals. The present invention also relates to pyrazole compounds of formulae Va, Vb, Vc, and VI.

Abstract: The invention relates to the use of a compound of formula (I) or a salt thereof for combating animal pests, where the symbols and indices are defined in the specification.

Abstract: The present invention relates to a process for preparing a pyrazole compound of formula V, which comprises cyclizing a hydrazone substituted ?,?-unsaturated carbonyl compound of formula IV by reacting it with a suitable reagent, e.g. a reducing agent, an organometallic reagent or a nucleophilic reagent. The compounds of formula V are versatile reaction tools for the preparation of pyrazole derived fine chemicals. The present invention also relates to pyrazole compounds of formulae Va, Vb, Vc, and VI.