4-amino-6-(heterocyclic)picolinates and 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their use as herbicides
View Patent ↗4-Amino-6-(heterocyclic)picolinic acids and their derivatives; 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their derivatives; and methods of using the same as herbicides.
1. A compound defined by the formula below
wherein
R 1′ is hydrogen, C 1 -C 8 alkyl, or C 7 -C 10 arylalkyl, or an agriculturally acceptable N-oxide or salt thereof.
2. The compound of claim 1 , wherein R 1′ is hydrogen or C 1 -C 4 alkyl.
3. The compound of claim 2 , wherein R 1′ is hydrogen.
4. The compound of claim 3 , wherein the compound is
5. The compound of claim 2 , wherein R 1′ is C 1 -C 4 alkyl.
6. The compound of claim 5 , wherein R 1′ is methyl.
7. The compound of claim 6 , wherein the compound is
8. The compound of claim 1 , wherein R 1′ is a substituted or unsubstituted C 8 arylalkyl group.
9. The compound of claim 8 , wherein R 1′ is a benzyl group.
10. A herbicidal composition comprising a compound of claim 1 and an agriculturally acceptable adjuvant or carrier.
11. The composition of claim 10 , further comprising an additional herbicidal compound.
12. The composition of claim 10 , further comprising a safener.
13. The composition of claim 10 , wherein the compound is
14. The composition of claim 10 , wherein the compound is
15. A method of controlling undesirable vegetation comprising applying to vegetation or an area adjacent the vegetation or applying to soil or water to control the emergence or growth of vegetation a herbicidally effective amount of a compound of claim 1 .
16. A method of controlling undesirable vegetation comprising applying to vegetation or an area adjacent the vegetation or applying to soil or water to control the emergence or growth of vegetation a herbicidally effective amount of a compound of claim 3 .
17. A method of controlling undesirable vegetation comprising applying to vegetation or an area adjacent the vegetation or applying to soil or water to control the emergence or growth of vegetation a herbicidally effective amount of a compound of claim 6 .
18. A method of controlling undesirable vegetation comprising applying to vegetation or an area adjacent the vegetation or applying to soil or water to control the emergence or growth of vegetation a herbicidally effective amount of a compound of claim 8 .
19. A method of controlling undesirable vegetation comprising applying to vegetation or an area adjacent the vegetation or applying to soil or water to control the emergence or growth of vegetation a herbicidally effective amount of a composition of claim 10 .