Pyridazinone herbicides
Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof, agricultural compositions containing them and their use as herbicides wherein R 1 , R 2 , G and W are as defined in the disclosure, and A is selected from and X 1 , X 2 , X 3 , X 4 , X 5 , X 6 , X 7 , X 8 , X 9 , X 10 , Y 1 , Y 2 , and Y 4 are as defined in the disclosure.
1. A compound of Formula 1, stereoisomers, N-oxides, and salts thereof
wherein
R 1 is H, C 1 -C 7 alkyl, C 3 -C 8 alkylcarbonylalkyl, C 3 -C 8 alkoxycarbonylalkyl, C 4 -C 7 alkylcycloalkyl, C 3 -C 7 alkenyl, C 3 -C 7 alkynyl, C 3 -C 7 cycloalkyl, C 4 -C 7 cycloalkylalkyl, C 2 -C 3 cyanoalkyl, C 1 -C 4 nitroalkyl, C 2 -C 7 haloalkoxyalkyl, C 1 -C 7 haloalkyl, C 3 -C 7 haloalkenyl, C 2 -C 7 alkoxyalkyl, C 3 -C 7 alkylthioalkyl, C 1 -C 7 alkoxy, benzyl or phenyl; or a 5- or 6-membered saturated or partially saturated heterocyclic ring containing ring members selected from carbon and up to 1O and 1S;
W is O or S;
A is selected from
G is G 1 or W 1 G 1 ;
W 1 is C 1 -C 4 alkanediyl or C 2 -C 4 alkenediyl;
G 1 is H, —C(═O)R 7 , —C(═S)R 7 , —CO 2 R 8 , —C(═O)SR 8 , —S(O) 2 R 7 , —CONR 9 R 10 , —S(O) 2 NR 9 R 10 or P(═O)R 11 ; or C 1 -C 4 alkyl, C 2 -C 4 alkenyl, C 2 -C 4 alkynyl, C 1 -C 4 haloalkyl, C 2 -C 4 haloalkenyl, C 2 -C 4 haloalkynyl, C 1 -C 4 alkoxyalkyl, C 3 -C 6 cycloalkyl or C 4 -C 7 cycloalkylalkyl; or a 5- or 6-membered heterocyclic ring;
R 2 is H, halogen, —CN, —CHO, C 1 -C 7 alkyl, C 3 -C 8 alkylcarbonylalkyl, C 3 -C 8 alkoxycarbonylalkyl, C 1 -C 4 alkylcarbonyl, C 2 -C 7 alkylcarbonyloxy, C 4 -C 7 alkylcycloalkyl, C 3 -C 7 alkenyl, C 3 -C 7 alkynyl, C 1 -C 4 alkylsulfinyl, C 1 -C 4 alkylsulfonyl, C 1 -C 4 alkylamino, C 2 -C 8 dialkylamino, C 3 -C 7 cycloalkyl, C 4 -C 7 cycloalkylalkyl, C 2 -C 3 cyanoalkyl, C 1 -C 4 nitroalkyl, C 2 -C 7 haloalkoxyalkyl, C 1 -C 7 haloalkyl, C 3 -C 7 haloalkenyl, C 2 -C 7 alkoxyalkyl, C 1 -C 7 alkoxy, C 1 -C 5 alkylthio or C 2 -C 3 alkoxycarbonyl; or phenyl optionally substituted by halogen, C 1 -C 4 alkyl or C 1 -C 4 haloalkyl;
each X 1 is independently N or CR 3 ;
each X 2 is independently N or CR 3 ;
each X 3 is independently N or CR 3 ;
each X 4 , X 5 and X 6 is independently N or CR 4 ;
each X 7 , X 8 , X 9 and X 10 is independently N or CR 5 ;
Y 1 is O, S or NR 6 ;
Y 2 is O, S or NR 6 ;
Y 4 is O, S or NR 6 ;
each R 3 is independently H, halogen, nitro, —CN, C 1 -C 5 alkyl, C 2 -C 5 alkenyl, C 2 -C 5 alkynyl, C 3 -C 5 cycloalkyl, C 4 -C 5 cycloalkylalkyl, C 1 -C 5 haloalkyl, C 3 -C 5 haloalkenyl, C 3 -C 5 haloalkynyl, C 2 -C 5 alkoxyalkyl, C 1 -C 5 alkoxy, C 1 -C 5 haloalkoxy, C 1 -C 5 alkylthio, C 1 -C 4 alkylsulfinyl, C 1 -C 4 alkylsulfonyl, C 1 -C 5 haloalkylthio or C 2 -C 5 alkoxycarbonyl;
each R 4 is independently H, halogen, nitro, —CN, C 1 -C 5 alkyl, C 2 -C 5 alkenyl, C 2 -C 5 alkynyl, C 3 -C 5 cycloalkyl, C 4 -C 5 cycloalkylalkyl, C 1 -C 5 haloalkyl, C 3 -C 5 haloalkenyl, C 3 -C 5 haloalkynyl, C 2 -C 5 alkoxyalkyl, C 1 -C 5 alkoxy, C 1 -C 5 haloalkoxy, C 1 -C 5 alkylthio, C 1 -C 4 alkylsulfinyl, C 1 -C 4 alkylsulfonyl, C 1 -C 5 haloalkylthio or C 2 -C 5 alkoxycarbonyl;
each R 5 is independently H, halogen, —CN, nitro, C 1 -C 5 alkyl, C 2 -C 5 alkenyl, C 2 -C 5 alkynyl, C 3 -C 5 cycloalkyl, C 4 -C 5 cycloalkylalkyl, C 1 -C 5 haloalkyl, C 3 -C 5 haloalkenyl, C 3 -C 5 haloalkynyl, C 2 -C 5 alkoxyalkyl, C 1 -C 5 alkoxy, C 1 -C 5 haloalkoxy, C 1 -C 5 alkylthio, C 1 -C 5 haloalkylthio or C 2 -C 5 alkoxycarbonyl;
R 6 is H, C 1 -C 7 alkyl, C 2 -C 7 alkenyl, C 2 -C 7 alkynyl, C 3 -C 7 cycloalkyl, C 4 -C 7 cycloalkylalkyl, C 1 -C 7 haloalkyl or C 2 -C 7 alkoxyalkyl;
R 7 is C 1 -C 7 alkyl, C 3 -C 7 alkenyl, C 3 -C 7 alkynyl, C 3 -C 7 cycloalkyl, C 1 -C 7 haloalkyl, C 3 -C 7 haloalkenyl, C 2 -C 7 alkoxyalkyl or C 4 -C 7 cycloalkylalkyl; or phenyl, benzyl, or a 5- to 6-membered heterocyclic ring, each phenyl, benzyl or heterocyclic ring optionally substituted by halogen, C 1 -C 4 alkyl or C 1 -C 4 haloalkyl;
R 8 is C 1 -C 7 alkyl, C 3 -C 7 alkenyl, C 3 -C 7 alkynyl, C 3 -C 7 cycloalkyl, C 1 -C 7 haloalkyl, C 3 -C 7 haloalkenyl, C 2 -C 7 alkoxyalkyl or C 4 -C 7 cycloalkylalkyl; or phenyl, benzyl, or a 5- to 6-membered heterocyclic ring, each phenyl, benzyl or heterocyclic ring optionally substituted by halogen, C 1 -C 4 alkyl or C 1 -C 4 haloalkyl;
R 9 is C 1 -C 7 alkyl, C 3 -C 7 alkenyl, C 3 -C 7 alkynyl, C 3 -C 7 cycloalkyl, C 2 -C 7 haloalkyl, C 3 -C 7 haloalkenyl, C 2 -C 7 alkoxyalkyl or C 4 -C 7 cycloalkylalkyl; or phenyl, benzyl or a 5- to 6-membered heterocyclic ring, each phenyl, benzyl or heterocycling ring optionally substituted by halogen, C 1 -C 4 alkyl or C 1 -C 4 haloalkyl;
R 10 is H, C 1 -C 7 alkyl, C 2 -C 7 alkenyl, C 2 -C 7 alkynyl, C 3 -C 7 cycloalkyl, C 4 -C 7 cycloalkylalkyl, C 1 -C 7 haloalkyl or C 2 -C 7 alkoxyalkyl; and
R 11 is C 1 -C 7 alkyl or C 1 -C 7 alkoxy;
provided
i) when A is A-3 and X 2 is CR 3 , then X 3 is other than CR 3 ;
ii) when A is A-3 and X 3 is CR 3 , then X 2 is other than CR 3 ;
iii) when A is A-4 and Y 4 is O, S or NR 6 , then at least one of X 7 , X 8 , X 9 and X 10 is other than CR 5 ; and
iv) when R 1 is CH 3 ; G is H or C(═O)CH 3 ; and R 2 is Cl or Br; then A-3 is other than 4-quinolinyl(5-Cl) and 4-isoquinolinyl.
2. The compound of claim 1 wherein
R 1 is H, C 1 -C 7 alkyl, C 3 -C 8 alkylcarbonylalkyl, C 3 -C 8 alkoxycarbonylalkyl, C 4 -C 7 alkylcycloalkyl, C 3 -C 7 alkenyl, C 3 -C 7 alkynyl, C 3 -C 7 cycloalkyl, C 4 -C 7 cycloalkylalkyl, C 2 -C 3 cyanoalkyl, C 1 -C 4 nitroalkyl, C 2 -C 7 haloalkoxyalkyl, C 1 -C 7 haloalkyl, C 3 -C 7 haloalkenyl, C 2 -C 7 alkoxyalkyl, C 3 -C 7 alkylthioalkyl, C 1 -C 7 alkoxy, benzyl or phenyl;
W is O;
A is A-1, A-2 or A-3;
G 1 is H, —C(═O)R 7 , —C(═S)R 7 , —CO 2 R 8 , —C(═O)SR 8 , —CONR 9 R 10 or P(═O)R 11 ; or C 1 -C 4 alkyl, C 2 -C 4 alkenyl, C 2 -C 4 alkynyl, C 1 -C 4 haloalkyl, C 2 -C 4 haloalkenyl, C 2 -C 4 haloalkynyl, C 1 -C 4 alkoxyalkyl, C 3 -C 6 cycloalkyl or C 4 -C 7 cycloalkylalkyl;
W 1 is C 1 -C 2 alkanediyl or C 2 -C 3 alkenediyl;
R 2 is H, halogen, —CN, —CHO, C 1 -C 7 alkyl, C 3 -C 8 alkylcarbonylalkyl, C 3 -C 8 alkoxycarbonylalkyl, C 1 -C 4 alkylcarbonyl, C 2 -C 7 alkylcarbonyloxy, C 4 -C 7 alkylcycloalkyl, C 3 -C 7 alkenyl, C 3 -C 7 alkynyl, C 1 -C 4 alkylsulfinyl, C 1 -C 4 alkylsulfonyl, C 1 -C 4 alkylamino, C 2 -C 8 dialkylamino, C 3 -C 7 cycloalkyl, C 4 -C 7 cycloalkylalkyl, C 2 -C 3 cyanoalkyl, C 1 -C 4 nitroalkyl, C 2 -C 7 haloalkoxyalkyl, C 1 -C 7 haloalkyl, C 3 -C 7 haloalkenyl, C 2 -C 7 alkoxyalkyl, C 1 -C 7 alkoxy or C 1 -C 5 alkylthio;
each X 1 is independently CR 3 ;
each R 3 is independently H, halogen, C 1 -C 3 alkyl, C 3 -C 4 cycloalkyl, C 1 -C 3 haloalkyl or C 1 -C 3 alkoxy;
each R 4 is independently H, halogen, C 1 -C 3 alkyl, C 3 -C 4 cycloalkyl, C 1 -C 3 haloalkyl or C 1 -C 3 alkoxy;
each R 5 is independently H, halogen, C 1 -C 3 alkyl, C 3 -C 4 cycloalkyl, C 1 -C 3 haloalkyl or C 1 -C 3 alkoxy;
R 6 is H or C 1 -C 3 alkyl;
R 7 is H, C 1 -C 7 alkyl, C 3 -C 7 cycloalkyl, C 1 -C 3 haloalkyl or C 2 -C 7 alkoxyalkyl;
R 8 is H, C 1 -C 7 alkyl, C 3 -C 7 cycloalkyl, C 1 -C 3 haloalkyl or C 2 -C 7 alkoxyalkyl;
R 9 is H, C 1 -C 7 alkyl, C 3 -C 7 cycloalkyl, C 2 -C 3 haloalkyl or C 2 -C 7 alkoxyalkyl;
R 10 is H, C 1 -C 7 alkyl, C 3 -C 7 cycloalkyl, C 1 -C 3 haloalkyl or C 2 -C 7 alkoxyalkyl; and
R 11 is C 1 -C 3 alkyl or C 1 -C 3 alkoxy.
3. The compound of claim 2 wherein
R 1 is H, C 1 -C 7 alkyl, C 3 -C 8 alkoxycarbonylalkyl, C 4 -C 7 alkylcycloalkyl, C 3 -C 7 cycloalkyl, C 4 -C 7 cycloalkylalkyl, C 2 -C 3 cyanoalkyl, C 1 -C 4 nitroalkyl, C 2 -C 7 haloalkoxyalkyl, C 1 -C 7 haloalkyl, C 2 -C 7 alkoxyalkyl, C 3 -C 7 alkylthioalkyl, C 1 -C 7 alkoxy or benzyl;
A is A-1 or A-2;
G 1 is H, —C(═O)R 7 , —CO 2 R 8 , —CONR 9 R 10 or P(═O)R 11 ; or C 1 -C 4 alkyl, C 2 -C 4 alkenyl, C 1 -C 4 haloalkyl, C 2 -C 4 haloalkenyl, C 1 -C 4 alkoxyalkyl, C 3 -C 6 cycloalkyl or C 4 -C 7 cycloalkylalkyl;
W 1 is —CH 2 — or —CH═CH—;
R 2 is H, halogen, —CN, —CHO, C 1 -C 7 alkyl, C 1 -C 4 alkylcarbonyl, C 2 -C 7 alkylcarbonyloxy, C 4 -C 7 alkylcycloalkyl, C 1 -C 4 alkylsulfinyl, C 1 -C 4 alkylsulfonyl, C 1 -C 4 alkylamino, C 3 -C 7 cycloalkyl, C 4 -C 7 cycloalkylalkyl, C 2 -C 3 cyanoalkyl, C 1 -C 4 nitroalkyl, C 2 -C 7 haloalkoxyalkyl, C 1 -C 7 haloalkyl, C 2 -C 7 alkoxyalkyl or C 1 -C 7 alkoxy;
each X 2 is independently CR 3 ;
each X 5 is independently CR 4 ;
Y 1 is O or S;
Y 2 is O or S;
each R 3 is independently H, halogen, C 1 -C 2 alkyl, cyclopropyl or C 1 -C 2 haloalkyl;
each R 4 is independently H, halogen, C 1 -C 2 alkyl, cyclopropyl or C 1 -C 2 haloalkyl;
R 7 is H, C 1 -C 7 alkyl, C 3 -C 7 cycloalkyl or C 2 -C 7 alkoxyalkyl;
R 8 is H, C 1 -C 7 alkyl, C 3 -C 7 cycloalkyl or C 2 -C 7 alkoxyalkyl;
R 9 is H, C 1 -C 7 alkyl, C 3 -C 7 cycloalkyl or C 2 -C 7 alkoxyalkyl;
R 10 is H, C 1 -C 7 alkyl, C 3 -C 7 cycloalkyl or C 2 -C 7 alkoxyalkyl; and
R 11 is CH 3 or OCH 3 .
4. The compound of claim 3 wherein
R 1 is C 1 -C 4 alkyl, C 3 -C 4 cycloalkyl, C 2 -C 3 cyanoalkyl, C 1 -C 3 haloalkyl or C 2 -C 4 alkoxyalkyl;
A is selected from
G 1 is H, —C(═O)R 7 , —CO 2 R 8 or P(═O)R 11 ; or C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxyalkyl or C 3 -C 6 cycloalkyl;
W 1 is —CH 2 —;
R 2 is H, halogen, —CN, C 1 -C 4 alkyl, C 3 -C 5 cycloalkyl, C 1 -C 3 haloalkyl, C 2 -C 4 alkoxyalkyl or C 1 -C 3 alkoxy;
each R 3 is independently H, halogen, methyl, ethyl or CF 3 ;
each R 4 is independently H, halogen, methyl, ethyl or CF 3 ;
R 7 is C 1 -C 7 alkyl or C 2 -C 7 alkoxyalkyl;
R 8 is C 1 -C 7 alkyl or C 2 -C 7 alkoxyalkyl; and
R 11 is OCH 3 .
5. The compound of claim 4 wherein
R 1 is methyl, ethyl, n-propyl or 2-methoxyethyl;
A is selected from A-1-A and A-1-B;
G is G 1 ;
G 1 is H, —C(═O)R 7 , —CO 2 R 8 ; or C 1 -C 4 alkoxyalkyl or C 3 -C 6 cycloalkyl;
R 2 is H, Cl, Br, I, —CN, methyl or methoxy;
each R 3 is independently H, F, Cl, Br or methyl;
each R 4 is independently H, methyl or ethyl;
R 7 is C 1 -C 3 alkyl or C 2 -C 4 alkoxyalkyl; and
R 8 is C 1 -C 3 alkyl or C 2 -C 4 alkoxyalkyl.
6. The compound of claim 3 wherein
R 1 is C 1 -C 4 alkyl, C 3 -C 4 cycloalkyl, C 2 -C 3 cyanoalkyl, C 1 -C 3 haloalkyl or C 2 -C 4 alkoxyalkyl;
A is selected from
G 1 is H, —C(═O)R 7 , —CO 2 R 8 or P(═O)R 11 ; or C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxyalkyl or C 3 -C 6 cycloalkyl;
W 1 is —CH 2 —;
R 2 is H, halogen, —CN, C 1 -C 4 alkyl, C 3 -C 5 cycloalkyl, C 1 -C 3 haloalkyl, C 2 -C 4 alkoxyalkyl or C 1 -C 3 alkoxy;
each R 3 is independently H, halogen, methyl, ethyl or CF 3 ;
each R 4 is independently H, halogen, methyl, ethyl or CF 3 ;
R 7 is C 1 -C 7 alkyl or C 2 -C 7 alkoxyalkyl;
R 8 is C 1 -C 7 alkyl or C 2 -C 7 alkoxyalkyl; and
R 11 is OCH 3 .
7. The compound of claim 6 wherein
R 1 is methyl, ethyl, n-propyl or 2-methoxyethyl;
A is A-2-A;
G is G 1 ;
G 1 is H, —C(═O)R 7 , —CO 2 R 8 ; or C 1 -C 4 alkoxyalkyl or C 3 -C 6 cycloalkyl;
R 2 is H, Cl, Br, I, —CN, methyl or methoxy;
each R 3 is independently H, F, Cl, Br or methyl;
each R 4 is independently H, methyl or ethyl;
R 7 is C 1 -C 3 alkyl or C 2 -C 4 alkoxyalkyl; and
R 8 is C 1 -C 3 alkyl or C 2 -C 4 alkoxyalkyl.
8. The compound of claim 6 selected from the group consisting of
4-(2,6-dimethyl-7-benzofuranyl)-5-hydroxy-2,6-dimethyl-3(2H)-pyridazinone;
5-(acetyloxy)-4-(2,6-dimethyl-7-benzofuranyl)-2,6-dimethyl-3 (2H)-pyridazinone;
5-hydroxy-2,6-dimethyl-4-(3-methyl-1,2-benzisothiazol-4-yl)-3 (2H)-pyridazinone;
5-hydroxy-2,6-dimethyl-4-(5-methylbenzo[b]thien-4-yl)-3 (2H)-pyridazinone; and
1,6-dihydro-1,3-dimethyl-5-(5-methylbenzo[b]thien-4-yl)-6-oxo-4-pyridazinyl ethyl carbonate.
9. A herbicidal composition comprising a compound of claim 1 and at least one component selected from the group consisting of surfactants, solid diluents and liquid diluents.
10. A herbicidal composition comprising a compound of claim 1 , at least one additional active ingredient selected from the group consisting of other herbicides and herbicide safeners, and at least one component selected from the group consisting of surfactants, solid diluents and liquid diluents.
11. A herbicidal mixture comprising (a) a compound of claim 1 , and (b) at least one additional active ingredient selected from (b1) photosystem II inhibitors, (b2) acetohydroxy acid synthase (AHAS) inhibitors, (b3) acetyl-CoA carboxylase (ACCase) inhibitors, (b4) auxin mimics, (b5) 5-enol-pyruvylshikimate-3-phosphate (EPSP) synthase inhibitors, (b6) photosystem I electron diverters, (b7) protoporphyrinogen oxidase (PPO) inhibitors, (b8) glutamine synthetase (GS) inhibitors, (b9) very long chain fatty acid (VLCFA) elongase inhibitors, (b10) auxin transport inhibitors, (b11) phytoene desaturase (PDS) inhibitors, (b12) 4-hydroxyphenyl-pyruvate dioxygenase (HPPD) inhibitors, (b13) homogentisate solenesyltransererase (HST) inhibitors, (b14) cellulose biosynthesis inhibitors, (b15) other herbicides including mitotic disruptors, organic arsenicals, asulam, bromobutide, cinmethylin, cumyluron, dazomet, difenzoquat, dymron, etobenzanid, flurenol, fosamine, fosamine-ammonium, hydantocidin, metam, methyldymron, oleic acid, oxaziclomefone, pelargonic acid and pyributicarb, and (b16) herbicide safeners; and salts of compounds of (b1) through (b16).
12. A method for controlling the growth of undesired vegetation comprising contacting the vegetation or its environment with a herbicidally effective amount of a compound of claim 1 .