Substituted pyridazinone herbicides

A compound of Formula 1, all stereoisomers, N-oxides, and salts thereof

• wherein
• R1 is H, C1-C7 alkyl, C3-C8 alkylcarbonylalkyl, C3-C8 alkoxycarbonylalkyl, C4-C7 alkylcycloalkyl, C3-C7 alkenyl, C3-C7 alkynyl, C3-C7 cycloalkyl, C4-C7 cycloalkylalkyl, C2-C3 cyanoalkyl, C1-C4 nitroalkyl, C2-C7 haloalkoxyalkyl, C1-C7 haloalkyl, C3-C7 haloalkenyl, C2-C7 alkoxyalkyl, C3-C7 alkylthioalkyl, C1-C7 alkoxy, benzyl or phenyl, the ring in said benzyl or phenyl group optionally substituted with at least one substituent independently selected from the group consisting of halogen, cyano, nitro, C1-C4 alkyl, C3-C6 cycloalkyl, C1-C4 haloalkyl, C1-C4 alkoxy and C1-C4 haloalkoxy;
• or a 5- or 6-membered saturated or partially saturated heterocyclic ring containing ring members selected from carbon and up to 1 O and 1 S, said ring optionally substituted with at least one substituent independently selected from the group consisting of halogen, cyano, nitro, C1-C4 alkyl, C3-C6 cycloalkyl, C1-C4 haloalkyl, C1-C4 alkoxy and C1-C4 haloalkoxy;
• R2 is H, halogen, cyano, formyl, C1-C7 alkyl, C3-C8 alkylcarbonylalkyl, C3-C8 alkoxycarbonylalkyl, C2-C4 alkylcarbonyl, C2-C7 alkylcarbonyloxy, C4-C7 alkylcycloalkyl, C3-C7 alkenyl, C3-C7 alkynyl, C1-C4 alkylsulfinyl, C1-C4 alkylsulfonyl, C1-C4 alkylamino, C2-C8 dialkylamino, C3-C7 cycloalkyl, C4-C7 cycloalkylalkyl, C2-C3 cyanoalkyl, C1-C4 nitroalkyl, C2-C7 haloalkoxyalkyl, C1-C7 haloalkyl, C3-C7 haloalkenyl, C2-C7 alkoxyalkyl, C1-C7 alkoxy, C1-C5 alkylthio or C2-C3 alkoxycarbonyl;
• or phenyl optionally substituted by halogen, C1-C4 alkyl or C1-C4 haloalkyl;
• R3 is H, C1-C7 alkyl, C3-C8 alkylcarbonylalkyl, C3-C8 alkoxycarbonylalkyl, C4-C7 alkylcycloalkyl, C3-C7 alkenyl, C3-C7 alkynyl, C3-C7 cycloalkyl, C4-C7 cycloalkylalkyl, C2-C3 cyanoalkyl, C1-C4 nitroalkyl, C2-C7 haloalkoxyalkyl, C1-C7 haloalkyl, C3-C7 haloalkenyl, C2-C7 alkoxyalkyl, C3-C7 alkylthioalkyl, C1-C7 alkoxy;
• or benzyl or phenyl, the ring in said benzyl or phenyl group optionally substituted with at least one substituent independently selected from the group consisting of halogen, cyano, nitro, C1-C4 alkyl, C3-C6 cycloalkyl, C1-C4 haloalkyl, C1-C4 alkoxy and C1-C4 haloalkoxy;
• or a 5- or 6-membered saturated or partially saturated heterocyclic ring containing ring members selected from carbon and up to 1 O and 1 S, said ring optionally substituted with at least one substituent independently selected from the group consisting of halogen, cyano, nitro, C1-C4 alkyl, C3-C6 cycloalkyl, C1-C4 haloalkyl, C1-C4 alkoxy and C1-C4 haloalkoxy;
• R4 is H, C1-C7 alkyl, C3-C8 alkylcarbonylalkyl, C3-C8 alkoxycarbonylalkyl, C4-C7 alkylcycloalkyl, C3-C7 alkenyl, C3-C7 alkynyl, C3-C7 cycloalkyl, C4-C7 cycloalkylalkyl, C2-C3 cyanoalkyl, C1-C4 nitroalkyl, C2-C7 haloalkoxyalkyl, C1-C7 haloalkyl, C3-C7 haloalkenyl, C2-C7 alkoxyalkyl, C3-C7 alkylthioalkyl, C1-C7 alkoxy, (CH2CH2O)tR5;
• or benzyl or phenyl, the ring in said benzyl or phenyl group optionally substituted with at least one substituent independently selected from the group consisting of halogen, cyano, nitro, C1-C4 alkyl, C3-C6 cycloalkyl, C1-C4 haloalkyl, C1-C4 alkoxy and C1-C4 haloalkoxy;
• or a 5- or 6-membered saturated or partially saturated heterocyclic ring containing ring members selected from carbon and up to 1 O and 1 S, said ring optionally substituted with at least one substituent independently selected from the group consisting of halogen, cyano, nitro, C1-C4 alkyl, C3-C6 cycloalkyl, C1-C4 haloalkyl, C1-C4 alkoxy and C1-C4 haloalkoxy;
• R5 is H, C1-C7 alkyl, C3-C8 alkylcarbonylalkyl, C3-C8 alkoxycarbonylalkyl, C4-C7 alkylcycloalkyl, C3-C7 alkenyl, C3-C7 alkynyl, C3-C7 cycloalkyl, C4-C7 cycloalkylalkyl, C2-C3 cyanoalkyl, C1-C4 nitroalkyl, C2-C7 haloalkoxyalkyl, C1-C7 haloalkyl, C3-C7 haloalkenyl, C2-C7 alkoxyalkyl, C3-C7 alkylthioalkyl, C1-C7 alkoxy;
• or benzyl or phenyl, the ring in said benzyl or phenyl group optionally substituted with at least one substituent independently selected from the group consisting of halogen, cyano, nitro, C1-C4 alkyl, C3-C6 cycloalkyl, C1-C4 haloalkyl, C1-C4 alkoxy and C1-C4 haloalkoxy;
• or a 5- or 6-membered saturated or partially saturated heterocyclic ring containing ring members selected from carbon and up to 1 O and 1 S, said ring optionally substituted with at least one substituent independently selected from the group consisting of halogen, cyano, nitro, C1-C4 alkyl, C3-C6 cycloalkyl, C1-C4 haloalkyl, C1-C4 alkoxy and C1-C4 haloalkoxy;
• t is an integer from 1 to 10;
• X is a direct bond, O, S or NR6;
• R6 is H, C1-C7 alkyl, C3-C8 alkylcarbonylalkyl, C3-C8 alkoxycarbonylalkyl, C4-C7 alkylcycloalkyl, C3-C7 alkenyl, C3-C7 alkynyl, C3-C7 cycloalkyl, C4-C7 cycloalkylalkyl, C2-C3 cyanoalkyl, C1-C4 nitroalkyl, C2-C7 haloalkoxyalkyl, C1-C7 haloalkyl, C3-C7 haloalkenyl, C2-C7 alkoxyalkyl, C3-C7 alkylthioalkyl, C1-C7 alkoxy;
• or benzyl or phenyl, the ring in said benzyl or phenyl group optionally substituted with at least one substituent independently selected from the group consisting of halogen, cyano, nitro, C1-C4 alkyl, C3-C6 cycloalkyl, C1-C4 haloalkyl, C1-C4 alkoxy and C1-C4 haloalkoxy;
• or a 5- or 6-membered saturated or partially saturated heterocyclic ring containing ring members selected from carbon and up to 1 O and 1 S, said ring optionally substituted with at least one substituent independently selected from the group consisting of halogen, cyano, nitro, C1-C4 alkyl, C3-C6 cycloalkyl, C1-C4 haloalkyl, C1-C4 alkoxy and C1-C4 haloalkoxy;
• or
• R4 and R6 can be taken together with the nitrogen atom to which they are attached to form a 3 to 7 membered ring, containing carbon atoms and optionally 1 to 3 oxygen, sulfur or nitrogen atoms as ring members, wherein up to 2 carbon atom ring members are independently selected from C(═O) and C(═S), and the sulfur atom ring member is selected from S, S(O) or S(O)2, said ring being optionally substituted with at least one substituent independently selected from the group consisting of halogen, cyano, nitro, C1-C4 alkyl, C3-C6 cycloalkyl, C1-C4 haloalkyl, C1-C4 alkoxy and C1-C4 haloalkoxy;
• A is selected from
• X1, X2, X3, X4, X5, X6, X7, X8, X9 and X10 are each independently N or CR7;
• provided that no more than 4 of X1, X2, X3, X4, X5, X6, X7, X8, X9 and X10 are N;
• X11 is O, S or NR9;
• or
• X11 is —C(R10)—C(R11)—, wherein the carbon atom bonded to R10 is also bonded to the carbon atom bonded to R13, and the carbon atom bonded to R11 is also bonded to the phenyl ring moiety in Formula 1;
• Y is O, S or NR8;
• Y1 is O, S, NR or CR7aR7b;
• each R7 is independently H, halogen, cyano, nitro, C1-C5 alkyl, C2-C5 alkenyl, C2-C5 alkynyl, C3-C5 cycloalkyl, C4-C5 cycloalkylalkyl, C1-C5 haloalkyl, C3-C5 haloalkenyl, C3-C5 haloalkynyl, C2-C5 alkoxyalkyl, C1-C5 alkoxy, C1-C5 haloalkoxy, C1-C5 alkylthio, C1-C4 alkylsulfinyl, C1-C4 alkylsulfonyl, C1-C5 haloalkylthio or C2-C5 alkoxycarbonyl;
• R7a is H, halogen, —CN, nitro, C1-C5 alkyl, C2-C5 alkenyl, C2-C5 alkynyl, C3-C5 cycloalkyl, C4-C5 cycloalkylalkyl, C1-C5 haloalkyl, C3-C5 haloalkenyl, C3-C5 haloalkynyl, C2-C5 alkoxyalkyl, C1-C5 alkoxy, C1-C5 haloalkoxy, C1-C5 alkylthio, C1-C4 alkylsulfinyl, C1-C4 alkylsulfonyl, C1-C5 haloalkylthio or C2-C5 alkoxycarbonyl;
• R7b is H, halogen, —CN, nitro, C1-C5 alkyl, C2-C5 alkenyl, C2-C5 alkynyl, C3-C5 cycloalkyl, C4-C5 cycloalkylalkyl, C1-C5 haloalkyl, C3-C5 haloalkenyl, C3-C5 haloalkynyl, C2-C5 alkoxyalkyl, C1-C5 alkoxy, C1-C5 haloalkoxy, C1-C5 alkylthio, C1-C4 alkylsulfinyl, C1-C4 alkylsulfonyl, C1-C5 haloalkylthio or C2-C5 alkoxycarbonyl;
• or
• R7a and R7b are taken together as ═O;
• or R7a and R7b are taken together with the carbon atom to which they are bonded to form an optionally substituted 3- to 7-membered carbocyclic ring;
• R8 is H, C1-C3 alkyl or C1-C3 haloalkyl;
• R9 is H, C1-C3 alkyl or C1-C3 haloalkyl;
• R10 and R11 are independently H, halogen, nitro, —CN, C1-C5 alkyl, C2-C5 alkenyl, C2-C5 alkynyl, C3-C5 cycloalkyl, C4-C5 cycloalkylalkyl, C1-C5 haloalkyl, C3-C5 haloalkenyl, C3-C5 haloalkynyl, C2-C5 alkoxyalkyl, C1-C5 alkoxy, C1-C5 haloalkoxy, C1-C5 alkylthio, C1-C4 alkylsulfinyl, C1-C4 alkylsulfonyl, C1-C5 haloalkylthio or C2-C5 alkoxycarbonyl;
• each R12 is independently halogen, —CN, nitro, C1-C5 alkyl, C2-C5 alkenyl, C2-C5 alkynyl, C3-C5 cycloalkyl, C4-C5 cycloalkylalkyl, C1-C5 haloalkyl, C3-C5 haloalkenyl, C3-C5 haloalkynyl, C2-C5 alkoxyalkyl, C1-C5 alkoxy, C1-C5 haloalkoxy, C1-C5 alkylthio, C1-C5 haloalkylthio or C2-C5 alkoxycarbonyl;
• R13 is H, halogen, nitro, —CN, C1-C5 alkyl, C2-C5 alkenyl, C2-C5 alkynyl, C3-C5 cycloalkyl, C4-C5 cycloalkylalkyl, C1-C5 haloalkyl, C3-C5 haloalkenyl, C3-C5 haloalkynyl, C2-C5 alkoxyalkyl, C1-C5 alkoxy, C1-C5 haloalkoxy, C1-C5 alkylthio, C1-C4 alkylsulfinyl, C1-C4 alkylsulfonyl, C1-C5 haloalkylthio or C2-C5 alkoxycarbonyl;
• R14 is H;
• and
• n is 0, 1, 2, 3 or 4.