Bayer Aktiengesellschaft

Other

Bayer Cropscience Ag

Bayer Intellectual Property Gmbh

Vetoquinol S.a.

Werner Lindner

Axel Haberkorn

Reinhard Lantzsch

Achim Harder

Peter Jeschke

Ulrike Wachendorff-Neumann

Wilhelm Brandes

Norbert Mencke

Reiner Fischer

Stefan Dutzmann

Wilhelm Stendel

Thomas Himmler

Benedikt Becker

Sergii Pazenok

Wahed Ahmed Moradi

Nikolaus Muller

Gunter Schmahl

Christoph Erdelen

Klaus Jelich

Werner Hallenbach

Franz-Josef Mais

Gerhard Bonse

Hermann Seifert

Britta Olenik

Julia Johanna Hahn

Michael Dockner

Frank Volz

Birgit Keil

Heinz Mehlhorn

Robert Steffens

Eric Rivadeneira

Peter Bruechner

Peter Brüchner

Wolfgang Joerges

Hartmut Scheffel

Hildegard Scheithauer

The present invention relates to a novel process for preparing substituted cyclohexane amino acid esters and spiroketal-substituted cyclic keto-enols, and to novel intermediates or starting compounds that are passed through or used in the process according to the invention.

Process for preparing substituted cyclohexane amino acid esters and spiroketal-substituted cyclic keto-enols

The present invention relates to a process for the preparation of carboxamide derivatives of formula (I) R N O N N CF2H C H3F starting from 1-methyl-3-difluormethyl-.5-fluoro-1H-pyrazole-4-carbonyl halides in absence of an acid acceptor.

Method for producing carboxamides

The present invention relates to a process for preparing tetrazole-substituted anthranilic acid diamide derivatives of the formula (I) in which R, R, R, R, Q and Z have the meanings given in the description, by reacting benzoxazinones with amines.

Process for preparing tetrazole-substituted anthranilic acid diamide derivatives by reacting benzoxazinones with amines

The present invention relates to a novel process for preparing substituted and unsubstituted (2,4-dimethylbiphenyl-3-yl)acetic acids and their esters of the formula (I) using homogeneous and heterogeneous palladium catalysts, and also the intermediates 4-tert-butyl-2,6-dimethylphenylacetic acid and 4-tert-butyl-2,6-dimethylmandelic acid, and to processes for their preparation.

Method for producing (2,4-dimethylbiphenyl-3-yl)acetic acids, the esters thereof and intermediate compounds

The present application relates to a process for preparing compounds of the formula (I)

Process for preparing heterocyclic compounds

The invention relates to a novel process for the preparation of aliphatic imines of the general formula (I): ##STR1## in which R.sup.1 is alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, arylalkyl or heteroarylalkyl, each of which is optionally substituted, and

Process for the preparation of aliphatic imines

The invention provides novel N-acyloxyalkyl-carboxamides of the general formula (I): ##STR1## in which R.sup.1 is alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, arylalkyl or heteroarylalkyl, each of which is optionally substituted,

N-acyloxyalkyl-carboxamides and process for their preparation

The Application describes a new process for the preparation of alkylcarboxylic acid 4-hydroxyanilides by reaction of aminophenols with carboxylic acid derivatives in organic solvents without the addition of a base reacts.

Process for the preparation of alkylcarboxylic acid 4-hydroxyanilides

Substituted 1,2,4-oxadiazole derivatives of the formula (I) and their stereoisomers ##STR1## in which formula R.sup.1 represents hydrogen, C.sub.1-8 -alkyl which is optionally substituted by halogen, cycloalkyl, alkoxy, hydroxyl, aryl, alkylcarbonyl, alkoxycarbonyl and cycloalkyl, and their use as endoparasiticides.

Use of substituted 1,2,4-oxadiazole derivatives for combating

A method for controlling fish parasites by administering to fish having such parasites or to a habitat of fish having such parasites an effective amount of at least one substituted 1,2,4-triazinedione of the formula ##STR1## in which R.sup.1 represents optionally substituted aromatic radicals or represents optionally substituted heteroaromatic radicals linked via carbon; X represents O, S, SO, SO.sub.2 or -CH(CN)-; R.sup.2 represents one or more identical or different hydrogen, halogen, nitro, alkyl, alkoxy, halogenoalkyl, or halogenoalkoxy radicals; and R.sup.3 represents hydrogen, optionally substituted alkyl, alkenyl, alkinyl, or aralkyl; or a salt thereof with a base.

Method for controlling fish parasites using triazine dione derivatives

Insecticidal and acaricidal plant-protection agents containing

The present invention relates to the use of substituted 1,2,4-oxadiazole derivatives of the general formula I ##STR1## in which R.sup.1 represents hydrogen, alkyl which is optionally substituted by halogen, alkoxy, hydroxyl, amino, alkylamino, dialkylamino, cycloalkylamino as well as cycloalkyl, optionally substituted aryl or hetaryl,

The present invention relates to new substituted 1,2,4-oxadiazole derivatives of the formula (I) and to their stereoisomers ##STR1## in which formula R.sup.4 represents OH, SH, halogenoalkoxy, halogenoalkylthio, halogenoalkylsulphinyl, halogenoalkylsulphonyl, aryloxy, aralkoxy, arylthio, aralkylthio, alkylenedioxy, halogenoalkylenedioxy, amino, alkylamino, dialkylamino, acylamino, carbamoyl, alkylsulphinyl, alkylsulphonyl, arylsuphinyl, arylsulphonyl, sulphonylamino, alkoxycarbonyl, alkylcarbonyl, alkylcarbonyloxy, alkoxyalkyl, alkoxyalkoxy or hydroxyalkoxy, where in the event that at least one of the radicals R.sup.2 or R.sup.3 is other than hydrogen, R.sup.4 additionally represents halogen, alkyl, halogenoalkyl, alkoxy or thioalkyl, where, in the event that R.sup.1 represents optionally substituted C.sub.1-8 -alkyl, R.sup.4 additionally represents alkoxy, processes for their preparation, and their use as endoparasiticides.

Substituted 1,2,4-oxadiazole derivatives

The present invention relates to new substituted 1,2,4-triazinediones of the formula (I) ##STR1## A-D represents --N.dbd.CH-- or ##STR2## X represents O or S, Y represents O, S, CO, ##STR3## R.sup.1 represents C.sub.1-4 -halogenoalkyl, R.sup.2 represents hydrogen, halogen or C.sub.1-4 -halogenoalkyl,

Substituted 1,2,4-triazinediones, and their use

Growing community of inventors

Cologne, Germany

Werner Lindner