Publication number: 20100167933
Abstract: The present invention relates to piperazine compounds of the general formula I defined below and to their use as herbicides. Moreover, the invention relates to compositions for crop protection and to a method for controlling unwanted vegetation. In formula I, A1, A2 independently of one another are aryl or heteroaryl, where Ra is attached in the ortho-position to the point of attachment of A1 to a carbon atom or a nitrogen atom of A1, Y1, Y2 are oxygen, sulfur or a group NRy1, and the variables Ra, Rb, Rc, Rd, Re, Rf, R1, R2, R3, R4, R5, R6, R7, and R8 have the meanings mentioned in the claims and the description.
Type:
Application
Filed:
June 20, 2008
Publication date:
July 1, 2010
Inventors:
Eike Hupe, Thomas Seitz, Matthias Witschel, Dschun Song, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Trevor William Newton, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt, Michael Rack, Elmar Kibler
Patent number: 7608564
Abstract: Benzoyl derivatives of the formula I where the variables have the following meanings: R1, R2 are hydrogen, nitro, halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl or C1-C6-haloalkylsulfonyl; R3 is hydrogen, halogen or alkyl; R4, R5 are hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, dialkylamino, phenyl or carbonyl, it being possible for the 6 last-mentioned radicals to be substituted; X is O, S, NR9, CO or CR10R11; Y is O, S, NR12, CO or CR13R14; R15 is pyrazole which is unsubstituted or substituted, linked in the 4-position and has attached to it in the 5-position a hydroxyl or sulfonyloxy radical; and the agriculturally useful salts thereof; processes and intermediates for the preparation of the 3-heterocyclyl-substituted benzoyl derivatives; compositions comprising them; and the use of these derivatives or compositions comprising them for controlling undesirable plants.
Type:
Grant
Filed:
April 25, 2007
Date of Patent:
October 27, 2009
Assignee:
BASF Aktiengesellschaft
Inventors:
Wolfgang von Deyn, Regina Luise Hill, Uwe Kardorff, Ernst Baumann, Stefan Engel, Guido Mayer, Matthias Witschel, Michael Rack, Norbert Götz, Joachim Gebhardt, Ulf Miβlitz, Helmut Walter, Karl-Otto Westphalen, Martina Otten, Joachim Rheinheimer