Certain 2-(substituted benzoyl)-1,3-cyclohexanediones and their use as herbicides
AssigneeStauffer Chemical Company
InventorsWilliam J. Michaely, Gary W. Kraatz
Life of this patent
Estimating the term…
Abstract
Compounds of the formula ##STR1## wherein R is halogen, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, cyano, nitro, S(O).sub.n R wherein R is C.sub.1 -C.sub.4 alkyl and n is the integer 0, 1 or 2; and R.sup.2 through R.sup.8 are hydrogen or certain substituents, their salts, herbicidal compositions containing the compound or salts and the herbicidal use thereof.
Claims64
Compounds having the structural formula ##STR95## wherein R and R.sup.1 are hydrogen, C.sub.1 -C.sub.4 alkyl, R.sup.a OC(O)--, where R.sup.a is C.sub.1 -C.sub.4 alkyl;
- R.sup.2 is chlorine, bromine, or iodine;
- and
- R.sup.3, R.sup.4 and R.sup.5 independently are (1) hydrogen;
- (2) halogen;
- (3) C.sub.1 -C.sub.4 alkyl;
- (4) C.sub.1 -C.sub.4 alkoxy;
- (5) trifluoromethoxy;
- (6) cyano;
- (7) nitro;
- (8) C.sub.1 -C.sub.4 haloalkyl;
- (9) R.sup.b SO.sub.n -- wherein R.sup.b is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, phenyl, benzyl, --NR.sup.d R.sup.e wherein R.sup.d and R.sup.e independently are hydrogen or C.sub.1 -C.sub.4 alkyl;
- and n is the integer 0, 1 or 2;
- ##STR96## wherein R.sup.c is C.sub.1 -C.sub.4 alkyl and R.sup.j is hydrogen;
- (11) R.sup.f C(O) wherein R.sup.f is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy;
- (12) --NR.sup.g R.sup.h wherein R.sup.g and R.sup.h independently are hydrogen or C.sub.1 -C.sub.4 alkyl;
- or (13) R.sup.3 and R.sup.4 together can form a ring structure with two adjacent carbon atoms of the phenyl ring;
- and their salts.
The method of controlling undesirable vegetation comprising applying to the area where control is desired, an herbicidally effective amount of a compound having the formula ##STR97##
- wherein
- R and R.sup.1 are hydrogen, C.sub.1 -C.sub.4 alkyl, R.sup.a OC(O)--, where R.sup.a is C.sub.1 -C.sub.4 alkyl;
- R.sup.2 is chlorine, bromine, iodine or C.sub.1 -C.sub.4 alkoxy;
- and
- R.sup.3, R.sup.4 and R.sup.5 independently are (1) hydrogen;
- (2) halogen;
- (3) C.sub.1 -C.sub.4 alkyl;
- (4) C.sub.1 -C.sub.4 alkoxy;
- (5) trifluoromethoxy;
- (6) cyano;
- (7) nitro;
- (8) C.sub.1 -C.sub.4 haloalkyl;
- (9) R.sup.b SO.sub.n -- wherein R.sup.b is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, phenyl, benzyl, --NR.sup.d R.sup.e wherein R.sup.d and R.sup.e independently are hydrogen or C.sub.1 -C.sub.4 alkyl;
- and n is the integer 0, 1 or 2;
- ##STR98## wherein R.sup.c is C.sub.1 -C.sub.4 alkyl and R.sup.j is hydrogen;
- (11) R.sup.f C(O) wherein R.sup.f is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy;
- (12) --NR.sup.g R.sup.h wherein R.sup.g and R.sup.h independently are hydrogen or C.sub.1 -C.sub.4 alkyl;
- or (13) R.sup.3 and R.sup.4 together can form a ring structure with two adjacent carbon atoms of the phenyl ring;
- and their salts.
An herbicidal composition comprising an herbicidally active 2-(2-chlorine, bromine, iodine or C.sub.1 -C.sub.4 alkoxy)benzoyl-1,3-cyclohexanedione or its salts and an inert carrier therefor.
Dependencies are inferred from the claim text.