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US 7,741,485 B2Granted
Benzenesulphonamide derivatives as herbicides or desiccant/defoliant compounds
AssigneeBASF SE
InventorsGerhard Hamprecht, Michael Puhl, Robert Reinhard, Werner Seitz, Cyrill Zagar, Matthias Witschel, Andreas Landes
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Abstract
The invention relates to benzenesulphonamide derivatives of formula (I), methods and intermediate products for production thereof and use of said compounds, or means comprising said compounds for the control of undesired plants and for the desiccation/defoliation of plants.
Claims9
A compound which is a benzenesulfonamide derivative of the formula I
- in which the variables are as defined below:
- X1 is halogen;
- X2 is chlorine;
- X3 is hydrogen;
- Y is a group —C(A)B;
- A is oxygen;
- B is oxygen or sulfur;
- R1 is hydrogen, C1-C8-alkyl, C3-C7-cycloalkyl, or
- phenyl-C1-C4 alkyl, wherein C1-C8 alkyl may be substituted by C1-C8alkoxy or C1-C8 alkoxycarbonyl;
- Q is
- A8 and A9 are oxygen;
- R29 is hydrogen, C1-C6 alkyl, or amino;
- R30 is C1-C6 haloalkyl;
- R31 is hydrogen;
- or an agriculturally useful salt thereof.
12 more elements
Dependencies are inferred from the claim text.