Substituted benzoxazinone cyclohexanediones and their herbicidal uses
AssigneeDowElanco
InventorsChristopher T. Hamilton, Lowell D. Markley, Todd C. Geselius
Life of this patent
Estimating the term…
Abstract
The present disclosure is directed to substituted cyclohexanedione compounds, the preparation of said compounds, compositions containing said compounds and the use of said compositions in the selective pre- and postemergent kill and control of grassy weeds in the presence of various broad-leafed and grassy crop plants.
Claims24
A substituted cyclohexanedione compound corresponding to the formula ##STR45## ##STR46## Wherein D is attached in the 6 or 7 ring position and represents the radical ##STR47## R represents --H or acyl;
- R.sup.1 represents C.sub.1 -C.sub.3 alkyl, C.sub.3 -C.sub.5 alkenyl, C.sub.3 -C.sub.5 haloalkenyl, arylalkenyl wherein aryl represents phenyl or pyridinyl substituted with from 0 to 4 halo or --CF.sub.3 groups or mixtures thereof and alkenyl contains from C.sub.2 -C.sub.5 carbon atoms;
- R.sup.2 represents C.sub.1 -C.sub.3 alkyl;
- R.sup.3 represents --H or --CH.sub.3 ;
- R.sup.4 each independently represents --H, halo, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy;
- R.sup.5 represents --H, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.3 -C.sub.5 alkenyl, C.sub.3 -C.sub.5 haloalkenyl, C.sub.3 -C.sub.5 alkynyl, C.sub.3 -C.sub.5 haloalkynyl, alkoxyalkyl wherein the alkoxy and alkyl group each contains from C.sub.1 -C.sub.4 carbon atoms or alkylthioalkyl wherein each alkyl group thereof contains from C.sub.1 -C.sub.4 carbon atoms;
- R.sup.6 represents R.sup.5, C.sub.1 -C.sub.4 alkoxy or aryl wherein aryl is phenyl or pyridinyl substituted with from 0-3 halogen or methyl groups;
- R.sup.7 represents --H or C.sub.1 -C.sub.4 alkyl;
- and
- n represents the integer 1, 2 or 3
- and the herbicidally acceptable organic and inorganic salts thereof.
A herbicidal composition which comprises an inert carrier in intimate admixture with a herbicidally effective amount of an active ingredient which is a substituted cyclohexanedione compound corresponding to the formula ##STR48## Wherein D is attached in the 6 or 7 ring position and represents the radical ##STR49## R represents --H, acyl or an alkali metal cation;
- R.sup.1 represents C.sub.1 -C.sub.3 alkyl, C.sub.3 -C.sub.5 alkenyl, C.sub.3 -C.sub.5 haloalkenyl, arylalkenyl wherein aryl represents phenyl or pyridinyl substituted with from 0 to 4 halo or --CF.sub.3 groups or mixtures thereof and alkenyl contains from C.sub.2 --C.sub.5 carbon atoms;
- R.sup.2 represents C.sub.1 -C.sub.3 alkyl;
- R.sup.3 represents --H or --CH.sub.3 ;
- R.sup.4 each independently represents --H, halo, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy;
- R.sup.5 represents --H, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.3 -C.sub.5 alkenyl, C.sub.3 -C.sub.5 haloalkenyl, C.sub.3 -C.sub.5 alkynyl, C.sub.3 -C.sub.5 haloalkynyl, alkoxyalkyl wherein the alkoxy and alkyl group each contains from C.sub.1 -C.sub.4 carbon atoms or alkylthioalkyl wherein each alkyl group thereof contains from C.sub.1 -C.sub.4 carbon atoms;
- R.sup.6 represents R.sup.5, C.sub.1 -C.sub.4 alkoxy or aryl wherein aryl is phenyl or pyridinyl substituted with from 0-3 halogen or methyl groups.
- R.sup.7 represents --H or C.sub.1 -C.sub.4 alkyl;
- and
- n represents the integer 1, 2 or 3 and the herbicidally acceptable organic and inorganic salts thereof.
A method for the kill or control of grassy weeds which comprises contacting said weeds or their habitat with a herbicidally effective amount of a composition which comprises an inert carrier in intimate admixture with a herbicidally active ingredient which is a substituted cyclohexanedione compound corresponding to the formula ##STR50## Wherein D is attached in the 6 or 7 ring position and represents the radical ##STR51## R represents --H, acyl or an alkali metal cation;
- R.sup.1 represents C.sub.1 -C.sub.3 alkyl, C.sub.3 -C.sub.5 alkenyl, C.sub.3 -C.sub.5 haloalkenyl, arylalkenyl wherein aryl represents phenyl or pyridinyl substituted with from 0 to 4 halo or --CF.sub.3 groups or mixtures thereof and alkenyl contains from C.sub.3 -C.sub.5 carbon atoms;
- R.sup.2 represents C.sub.1 -C.sub.3 alkyl;
- R.sup.3 represents --H or --CH.sub.3 ;
- R.sup.4 each independently represents --H, halo, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy;
- R.sup.5 represents --H, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.3 -C.sub.5 alkenyl, C.sub.3 -C.sub.5 haloalkenyl, C.sub.3 -C.sub.5 alkynyl, C.sub.3 -C.sub.5 haloalkynyl, alkoxyalkyl wherein the alkoxy and alkyl group each contains from C.sub.1 -C.sub.4 carbon atoms or alkylthioalkyl wherein each alkyl group thereof contains from C.sub.1 -C.sub.4 carbon atoms;
- R.sup.6 represents R.sup.5, C.sub.1 -C.sub.4 alkoxy or aryl wherein aryl is phenyl or pyridinyl substituted with from 0-3 halogen or methyl groups.
- R.sup.7 represents --H or C.sub.1 -C.sub.4 alkyl;
- and
- n represents the integer 1, 2 or 3
- and the herbicidally acceptable organic and inorganic salts thereof.
Dependencies are inferred from the claim text.