Certain 2-(2-substituted benzoyl)-1,3-cyclohexanediones
AssigneeStauffer Chemical Company
InventorCharles G. Carter
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.
Claims88
A compound of the formula ##STR96## wherein R.sup.50 is C.sub.1 -C.sub.4 alkyl optionally substituted with halogen;
- R.sup.51 is hydrogen or C.sub.1 -C.sub.4 alkyl;
- R.sup.52 is hydrogen, C.sub.1 -C.sub.4 alkyl or ##STR97## wherein R.sup.a is C.sub.1 -C.sub.4 alkyl;
- or R.sup.51 and R.sup.52 together are alkylene having 3 to 6 carbon atoms;
- R.sup.53 is hydrogen or C.sub.1 -C.sub.4 alkyl;
- R.sup.54 is hydrogen or C.sub.1 -C.sub.4 alkyl;
- R.sup.55 is hydrogen or C.sub.1 -C.sub.4 alkyl;
- R.sup.56 is hydrogen or C.sub.1 -C.sub.4 alkyl;
- and
- R.sup.57 and R.sup.58 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 n is the integer 0, 1 or 2;
- and R.sup.b is (a) C.sub.1 -C.sub.4 alkyl;
- (b) C.sub.1 -C.sub.4 alkyl substituted with halogen or cyano;
- (c) phenyl;
- or (d) benzyl;
- (10) --NR.sup.c R.sup.d wherein R.sup.c and R.sup.d independently are hydrogen or C.sub.1 -C.sub.4 alkyl;
- (11) R.sup.e C(O)-- wherein R.sup.e is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy;
- or (12) SO.sub.2 NR.sup.c R.sup.d wherein R.sup.c and R.sup.d are as defined, with the proviso that R.sup.57 is not attached to the 6-position 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 ##STR98## wherein R.sup.50 is C.sub.1 -C.sub.4 alkyl optionally substituted with halogen;
- R.sup.51 is hydrogen or C.sub.1 -C.sub.4 alkyl;
- R.sup.52 is hydrogen, C.sub.1 -C.sub.4 alkyl or ##STR99## wherein R.sup.a is C.sub.1 -C.sub.4 alkyl;
- or R.sup.51 and R.sup.52 together are alkylene having 3 to 6 carbon atoms;
- R.sup.53 is hydrogen or C.sub.1 -C.sub.4 alkyl;
- R.sup.54 is hydrogen or C.sub.1 -C.sub.4 alkyl;
- R.sup.55 is hydrogen or C.sub.1 -C.sub.4 alkyl;
- R.sup.56 is hydrogen or C.sub.1 -C.sub.4 alkyl;
- and
- R.sup.57 and R.sup.58 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 n is the integer 0, 1 or 2;
- and R.sup.b is (a) C.sub.1 -C.sub.4 alkyl;
- (b) C.sub.1 -C.sub.4 alkyl substituted with halogen or cyano;
- (c) phenyl;
- or (d) benzyl;
- (10) --NR.sup.c R.sup.d wherein R.sup.c and R.sup.d independently are hydrogen or C.sub.1 -C.sub.4 alkyl;
- (11) R.sup.e C(O)-- wherein R.sup.e is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy;
- or (12) SO.sub.2 NR.sup.c R.sup.d wherein R.sup.c and R.sup.d are as defined, with the proviso that R.sup.57 is not attached to the 6-position or its salts.
A herbicidal composition comprising a herbicidally active 2-(2-substituted benzoyl)-1,3-cyclohexanedione or its salts and an inert carrier therefor wherein the 2-benzoyl substituent is C.sub.1 -C.sub.4 alkyl optionally substituted with halogen.
The method of controlling undesirable vegetation comprising applying to the area where control is desired, a herbicidal composition comprising a herbicidally active 2-(2-benzoyl)-1,3-cyclohexanedione and an inert carrier therefor wherein the 2-position of the benzoyl moiety is substituted with C.sub.1 -C.sub.4 alkyl, optionally substituted with halogen.
Dependencies are inferred from the claim text.