Bayer Aktiengesellschaft

Stefan Bohm

Albrecht Marhold

Hans-Joachim Santel

Wilhelm Stendel

Ulrike Wachendorff-Neumann

Christoph Erdelen

Robert R Schmidt

Reiner Fischer

Klaus Lurssen

Thomas Bretschneider

Heinz-Wilhelm Dehne

Thomas Schenke

Bernd-Wieland Kruger

Andreas Krebs

Heinz-Jurgen Bertram

Stefan Dutzmann

Gerd Hanssler

Hans-Ludwig Elbe

Thomas Himmler

Hermann Hagemann

Folker Lieb

Bernd Baasner

Dietmar Bielefeldt

Winfried Lunkenheimer

Klaus Stroech

Jurgen Scherkenbeck

Josef Pedain

Markus Dollinger

Norbert Lui

Ralf Tiemann

Heinz Forster

Dieter Berg

Hans-Joachim Diehr

Hermann Uhr

Hanns-Peter Muller

Stephan Kirchmeyer

Ernst Kysela

Hermann Kober

Achim Bertsch

The invention relates to new substituted benzimidazole of the general formula (I) ##STR1## in which R.sup.1 represents hydrogen, alkyl, alkoxy or optionally substituted aryl,

Substituted benzimidazoles

Herbicidal fluorothiadiazolyl oxyacetamides

There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) ##STR1## in which A and B are identical or different and independently of one another in each case represent hydrogen, alkyl, alkenyl, alkynyl, alkoxyalkyl, alkylthioalkyl, cycloalkyl or optionally substituted aryl or

3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives

There are provided an aryl carboxylic acid derivatives of the formula (XVIa) ##STR1## Aryl carboxylic acid derivatives of the formula (XVIa) have a particularly pronounced activity against animal pests, in particular against insects and arachnids, and against weeds.

Aryl carboxylic acid derivatives

There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) ##STR1## The new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) have a particularly pronounced activity against animal pests, in particular against insects and arachnids, and against weeds.

2-fluoro-cyclopropylamine is prepared in an advantageous manner by reacting an N-vinyl compound with a carbene of type FXC: (where X=chlorine or bromine) to give the corresponding cyclopropylamine derivative, replacing the radical X in this derivative by hydrogen, by reduction, and finally eliminating the other substituents on the hydrogen atom.

Cyclopropylamine derivatives

New azolylmethyl-fluorocyclopropyl derivatives of the formula ##STR1## in which R represents ##STR2## and addition products thereof which acids or metal salts are very effective for combating fungi. New oxiranes of the formula ##STR3## in which R has the abovementioned meaning, are valuable intermediates for the preparation of compounds of the formula (I).

Azolylmethyl-fluorocyclopropyl derivatives

A new process for the preparation of 1-fluoro-cyclopropane-1-carboxylic acid of the formula ##STR1## which process comprises a) reacting in a first step, a 1-fluoro-cyclopropyl phenyl ketone of the formula ##STR2## in which R represents hydrogen, halogen, methyl, methoxy, phenyl or phenoxy, with an peroxy compound in the presence of a diluent, and

Process for the preparation of 1-fluoro-cyclopropane-1-carboxylic acid

New azolylmethyl-fluorocyclopropyl derivatives of the formula ##STR1## in which R represents ##STR2## and addition products thereof which acids or metal salts are very effective for combating fungi.

Novel fluorinated 1,3-benzo- and 1,3-pyrido-dioxoles of formula (I): ##STR1## in which A is C-R.sup.4 or N,

Fluorinated 1,3-benzo- and 1,3-pyrido-dioxoles, their preparation and

.alpha.-fluoro-.beta.-dicarbonyl compounds are prepared by reacting a halogenated dicarbonyl compound at temperatures of 20.degree. to 100.degree. C. with an addition product of hydrogen fluoride and a trialkylamine. This process is easy to carry out in technical terms and can also be carried out on a large scale.

Process for the preparation of .alpha.-fluoro-.beta.-dicarbonyl compounds

Pesticidal substituted 2-arylpyrroles of the formula ##STR1## in which n represents 0, 1 or 2,

Pesticidal substituted 2-arylpyrroles

Growing community of inventors

Leverkusen, Germany

Stefan Bohm