Basf Aktiengesellschaft

Steffen Kudis

Wolfgang Von Deyn

Ulf Misslitz

Ernst Baumann

Klaus Langemann

Guido Mayer

Matthias Witschel

Helmut Walter

Ulf Neidlein

Karl-Otto Westphalen

Martina Otten

Norbert G&ouml;tz

Roland G&ouml;tz

Thorsten Volk

Michael Rack

Cyrill Zagar

Michael Keil

Peter Plath

Joachim Gebhardt

Andreas Landes

Rene Lochtman

Michael Hofmann

Manfred Ehresmann

Ralf Schimetzek

In a continuous process for the preparation of alkyl nitrites and dinitrites, an alkanol or dialkanol is first mixed with an aqueous mineral acid, the reaction mixture obtained is then reacted with an inorganic nitrite and the product obtained can then be isolated immediately.

Method for producing alkyl nitrites and alkyl dinitrites

The invention relates to 3-(4,5-dihydroisoxazole-5-yl)benzoylpyrazole of the formula (I) wherein the variables are as defined herein. The invention also relates to the agriculturally useful salts thereof, to methods and to intermediate products for preparing the 3-(4,5-dihydroisoxazole-5-yl)benzoylpyrazole, to agents containing them and to the use thereof for combating undesired plants.

3-(4,5-Dihydroisoxazole-5-yl)benzoylpyrazole

Tricyclic benzoylpyrazole derivatives of the formula I wherein X, Y, R, R, R, R, R, R, R, l, Rand Rare as defined in the disclosure and their agriculturally useful salts; processes and intermediates for preparing the tricyclic benzoylpyrazole derivatives; compositions comprising them and the use of these derivatives or of the compositions comprising them for controlling undesirable plants are described.

Tricyclic benzoylpyrazole derivatives used as a herbicide

Cyclohexenone derivatives of benzazolones of the formula Iwhere the variables R, R, R, A and Hex are as defined in claim, and their salts, and their use for controlling harmful plants, are described.

Benzazolonylcarbonylcyclohexenones and their use as herbicides

The invention relates to a method for producing &#x3b2;-ketoenol esters of the general formula (Ia) or (Ib), wherein Ar, Rand Rare defined as in claim. The inventive method is characterized by reacting an arylhalogenide of the general formula (II) with a 1,3-diketone of the general formula (III) or the tautomers thereof in a carbon monoxide atmosphere in the presence of an alkali and a catalyst that contains at least one transition metal of group VIII of the periodic system

Method for producing &#x3b2;-ketoenol esters

The invention relates to 3-(heterocyclyl)-substituted benzoylpyrazois of formula (I), wherein the variables have the following meanings: X is O, NH or N-alkyl; R is alkyl; R , R , R , R are hydrogen, alkyl or alkyl halide; R is halogen, nitro, alkyl halide, alkoxy, halogenalkoxy, alkylthio, halogenalkylthio, alkylsulfonyl or halogenalkylsulfonyl; R is hydroxy, alkoxy, alkenyloxy, alkylsulfonyloxy, alkylcarboyloxy, alkylthiocarbonyloxy, phenylsulfonyloxy or phenylcarbonyloxy, and the phenyl radical can be substituted; R , R are alkyl; R is hydrogen or alkyl; and R is hydrogen or alkyl; and to their agriculturally useable salts. The invention also relates to intermediate products and methods for producing the inventive compounds and to the use of these compounds or products containing them for combating undesirable plants.

3-(heterocyclyl)-substituted benzolpyrazols

Method for producing bicyclic 1,3-diketones

1-cycloalkylpyrazolyl-benzoyl derivatives

Herbicidal 3-(4,5 dihydroisoxazole- 3 yl) substituted benzoycyclohexenone derivatives

3-(4,5-Dihydroisoxazol-5-yl)benzoylcyclohexenones and the use thereof as herbicides

Cyclopropyl-anellated 3-(4,5-dihydroisoxazol-3-yl)-substituted benzoylpyrazoles

3-(4,5-dihydroisoxazol-3-yl)-substituted benzoylpyrazoles

Phosphoric benzoyl derivatives and their use as herbicides

Herbicidal halogenalkyl-substituted 3-(4,5-dihydroisoxazol-3-yl)-benzoyl-cyclohexenones

The invention relates to cyclohexenone derivatives of benzo-condensed, unsaturated 5-ring nitrogen heterocycles of general formula (I) wherein X represents N or a group C&mdash;R , Y represents O, S, SO, SO or NR or X&mdash;Y represent S&boxH;N and X represents sulfur, and the variables R , R and Hex have the meanings given in claim . The invention also relates to a method for producing these compounds, to agents containing these compounds, and to their use as herbicides.

Benzohetero cyclylcyclo hexenones and their use as herbicides

Growing community of inventors

Mannheim, Germany

Steffen Kudis