N-(1,3,4-oxadiazol-2-yl)arylcarboxamides and use thereof as herbicides
View Patent ↗N-(1,3,4-Oxadiazol-2-yl)arylcarboxamides of the general formula (I) are described as herbicides. In this formula (I) A is nitrogen or CY. R, X, Y and Z are each radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen.
1. An N-(1,3,4-oxadiazol-2-yl)arylcarboxamide herbicide of formula (I) and/or a salt thereof
in which the substituents are defined as follows:
A is N or CY,
X is Cl or Me;
Y is OCH2(CO)NMe2, Cl, CH2OCH2CF3, heterocycle, SO2Me, SOMe or SMe;
Z is Cl, SO2alkyl, or CF3; and
R is alkyl, CF3, alkylOCH3, or cyclo-alkyl.
2. A herbicidal composition, comprising a herbicidally active content of at least one compound of formula (I) and/or salt thereof as claimed in claim 1 .
3. The herbicidal composition as claimed in claim 2 , in a mixture with at least one formulation auxiliary.
4. The herbicidal composition as claimed in claim 2 , comprising at least one further pesticidally active substance selected from the group consisting of an insecticide, an acaricide, a herbicide, a fungicide, a safener and a growth regulator.
5. The herbicidal composition as claimed in claim 4 , comprising a safener.
6. The herbicidal composition as claimed in claim 5 , comprising a cyprosulfamide, a cloquintocet-mexyl, a mefenpyr-diethyl and/or an isoxadifen-ethyl.
7. The herbicidal composition as claimed in claim 4 , comprising a further herbicide.
8. A method for controlling an unwanted plant, which comprises applying an effective amount of at least one compound of formula (I) and/or salt thereof as claimed in claim 1 , to a plant and/or to a site of unwanted vegetation.
9. The method of claim 8 , wherein said compound of formula (I) is used for controlling an unwanted plant in a crop of a useful plant.
10. The method of claim 9 , wherein said useful plant is a transgenic useful plant.
11. A method for controlling an unwanted plant, which comprises applying an effective amount of a herbicidal composition as claimed in claim 2 , to a plant and/or to a site of unwanted vegetation.
12. An N-(1,3,4-oxadiazol-2-yl)arylcarboxamide herbicide as claimed in claim 1 ,
wherein A is CY.
13. An N-(1,3,4-oxadiazol-2-yl)arylcarboxamide herbicide as claimed in claim 1 ,
wherein A is N.
14. An N-(1,3,4-oxadiazol-2-yl)arylcarboxamide herbicide as claimed in claim 1 ,
wherein X is Cl.
15. An N-(1,3,4-oxadiazol-2-yl)arylcarboxamide herbicide as claimed in claim 1 ,
wherein Y is, SO2Me, SOMe, or SMe.
16. An N-(1,3,4-oxadiazol-2-yl)arylcarboxamide herbicide as claimed in claim 1 ,
wherein Z is Cl or CF3.
17. An N-(1,3,4-oxadiazol-2-yl)arylcarboxamide herbicide as claimed in claim 1 ,
wherein R is alkyl, CF3, or alkylOCH3.
18. An N-(1,3,4-oxadiazol-2-yl)arylcarboxamide herbicide as claimed in claim 1 ,
wherein X is Me.
19. An N-(1,3,4-oxadiazol-2-yl)arylcarboxamide herbicide as claimed in claim 1 , wherein Y is, heterocycle.