4-(3-aminobenzoyl)-5-cyclopropylisoxazoles effective as herbicides
View Patent ↗4-(3-Aminobenzoyl)-5-cyclopropylisoxazoles of the formula (I) are described as herbicides. In this formula (I), A, X, Y and Z are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen.
1. A 4-(3-aminobenzoyl)-5-cyclopropylisoxazole of the formula (I) and/or a salt thereof
wherein
A is NR 1 R 2 or N═CR 3 NR 4 R 5 ,
R 1 and R 2 independently of one another are hydrogen, (C 1 -C 6 )-alkyl, (C 1 -C 4 )-alkoxy-(C 1 -C 6 )-alkyl, (C 2 -C 6 )-alkenyl, (C 3 -C 6 )-cycloalkyl or (C 3 -C 6 )-cycloalkyl-(C 1 -C 6 )-alkyl,
R 3 , R 4 and R 5 independently of one another are hydrogen or (C 1 -C 6 )-alkyl,
X and Y independently of one another are methyl, methoxy, trifluoromethyl, chlorine, bromine, fluorine or methylsulfonyl,
Z is hydrogen or CO 2 R 6 ,
R 6 is methyl or ethyl.
2. A 4-(3-aminobenzoyl)-5-cyclopropylisoxazole as claimed in claim 1 , wherein
A is NR 1 R 2 or N═CR 3 NR 4 R 5 ,
R 1 and R 2 independently of one another are hydrogen, methyl, ethyl, propyl, methoxyethyl, ethoxyethyl or methoxypropyl,
R 3 , R 4 , R 5 independently of one another are hydrogen or methyl,
X and Y independently of one another are methyl, methoxy, trifluoromethyl, chlorine, bromine, fluorine or methylsulfonyl,
Z is hydrogen or CO 2 R 6 , and
R 6 is methyl or ethyl.
3. A 4-(3-aminobenzoyl)-5-cyclopropylisoxazole of the formula (I) and/or a salt as claimed in claim 1 , wherein
A is NR 1 R 2 .
4. A 4-(3-aminobenzoyl)-5-cyclopropylisoxazole of the formula (I) and/or a salt as claimed in claim 1 , wherein
A is N═CR 3 NR 4 R 5 .
5. A 4-(3-aminobenzoyl)-5-cyclopropylisoxazole of the formula (I) and/or a salt as claimed in claim 1 , wherein
Z is CO 2 R 6 .
6. A compound of formula (Ia)
and/or a salt thereof.
7. A herbicidal composition, comprising a herbicidally active content of at least one compound of the formula (I) and/or salt as claimed in claim 1 .
8. The herbicidal composition as claimed in claim 7 comprising a mixture with at least one formulation auxiliary.
9. A herbicidal composition as claimed in claim 7 for controlling undesired plants.
10. A composition as claimed in claim 9 , wherein the compound of the formula (I) and/or salt is capable of being employed for controlling undesired plants in crops of useful plants.
11. A composition as claimed in claim 10 , wherein the useful plants are transgenic useful plants.
12. A herbicidal composition comprising at least one compound of claim 2 .
13. A herbicidal composition, comprising a herbicidally active content of at least one compound of formula (Ia) and/or salt as claimed in claim 6 .
14. A method of controlling undesired plants, comprising applying an effective amount of at least one compound of the formula (I) and/or salt as claimed in claim 1 to a plant and/or to a location of undesired plant growth.
15. A method for controlling undesired plants comprising applying an effective amount of at least one compound of claim 2 to a plant and/or to a location of undesired plant growth.
16. A method for controlling undesired plants, comprising applying an effective amount of at least one compound of claim 6 to plant and/or to a location of undesired plant growth.