Bayer Aktiengesellschaft

Klaus Ditgens

Rudolf Thomas

Reinhard Lantzsch

Jorg Stetter

Robert R Schmidt

Karl H Buchel

Paul Reinecke

Ludwig Eue

Ulrich Heinemann

Wilhelm Brandes

Wolfgang Behrenz

Volker Mues

Thomas Schmidt

Erhard Weber

Klaus Lurssen

Hans-Jochem Riebel

Wolfgang Kramer

Hans-Ludwig Elbe

Manfred Jautelat

Gerhard Jager

Winfried Lunkenheimer

Gerhard Bonse

Eckart Kranz

Karlfried Dickore

Carl Fedtke

Wolfgang Kreiss

Henning Dorr

Hydroxyalkynyl-azolyl derivatives of the formula ##STR1## in which Az is 1,2,4-triazolyl or imidazolyl,

Fungicidal novel hydroxyalkynyl-azolyl derivatives

Substituted azoyl-ketones and -alcohols of the formula ##STR1## in which A is a nitrogen atom or the CH group,

Substituted azolyl-ketones and -alcohols

Herbicidal compositions comprising ##STR1## and as a synergist an amide of the formula ##STR2## in which R is halogenoalkyl.

Herbicidal compositions of triazinone or triazinedione derivatives and

Fungicidal hydroxyalkynyl-azolyl derivatives

A process for the preparation of a herbicidally active 1-amino-1,3,5-triazone-2,4 (1H,3H)-dione of the formula ##STR1## comprising in a first stage at a temperature from about 0.degree. to 100.degree. C. reacting an isocyanate of the formula

Process for the preparation of 1-amino-1,3,5-triazine-2,4(1H,3H)-diones

Novel N-Diazolylalkyl-haloacetanilides of the formula ##STR1## wherein A is oxygen, sulphur or the grouping &lt;NR,

N-Diazolyalkyl-haloacetanilide compounds and herbicidal compositions

Process for the preparation of pyrazole from hydrazine hydrate and acrolein comprising reacting hydrazine hydrate with acrolein in an aqueous-organic medium at a temperature between 20.degree.-80.degree. C. and then oxidizing the 2-pyrazoline formed, of the formula ##STR1## either directly or after first being isolated, with chlorine or an alkali metal hypochlorite or an alkaline earth metal hypochlorite and water or an aqueous-organic medium at a temperature between 0.degree. and 60.degree. C.

Process for the preparation of pyrazole

Process for the preparation of pyrazole by heating a pyrazoline derivative of the general formula ##STR1## in which R represents an optionally substituted phenyl radical, or an alkyl or halogenoalkyl radical, without the addition of an acid or base, at a temperature between 100.degree. and 200.degree. C. under a pressure between 1 mbar and 10 bars, optionally in the presence of a diluent.

Novel N-Diazolylalkyl-haloacetanilides of the formula ##STR1## wherein A is oxygen, sulphur or the grouping &gt;NR, wherein

N-Diazolylalkyl-haloacetanilide compounds and herbicidal compositions

Novel N-(2,5-diazolyl)-alkyl-halogenoacetanilides of the general formmula ##STR1## in which A represents oxygen, sulphur or the grouping &gt;NR, wherein

N-(2,5-Diazolyl)-alkyl-haloacetanilides, compounds and herbicidal

Synergistic arthropodicidal compositions comprising a carbamate, carboxylic acid ester or phosphate ester and an .alpha.-substituted-3,4-methylenedioxyphenylacetonitrile of the formula ##STR1## in which R represents hydrogen, alkyl, alkenyl, halogen or nitro,

Growing community of inventors

Wuppertal, Germany

Klaus Ditgens