Herbicidal compounds

A compound of Formula (I)

• or a salt or N-oxide thereof;
• wherein A1 is CR1 or N;
• R1 is hydrogen, C1-C4alkyl, C1-C4haloalkyl, C1-C4alkoxy, C1-C4alkylthio, halogen, cyano, or hydroxyl;
• A2 is CR3aR3b or NR4;
• A3 is C(O) or S(O)2;
• G is hydrogen, or C(O)R6;
• X and Y are each independently hydrogen, C1-C3alkyl, C1-C3alkoxy, C1-C3haloalkyl, C1-C3haloalkoxy, or halogen;
• R3a and R3b are independently hydrogen, halogen, cyano, C1-C8alkyl, C1-C8alkoxy-C1-C4alkyl-, C1-C8haloalkyl, C2-C8alkenyl, C2-C8haloalkenyl, C2-C8alkynyl, C2-C8haloalkynyl, C3-C10cycloalkyl, C3-C10cycloalkyl-C1-C4alkyl-, heterocyclyl, heterocyclyl-C1-C4alkyl-, or C1-C8alkoxycarbonyl-;
• or R3a and R3b together with the carbon atom they are attached to join to form a 3- to 10-membered carbocyclic ring or a 4- to 10-membered heterocyclic ring;
• R4 is hydrogen, C1-C10alkyl, C1-C4haloalkyl, C2-C10alkenyl, C2-C4haloalkenyl, 2-C10alkynyl, C2-C4haloalkynyl, C3-C10cycloalkyl, C3-C10cycloalkyl-C1-C6alkyl-, C1-C10alkoxy-C1-C6alkyl-, C1-C10cyanoalkyl-, C1-C10alkoxycarbonyl-C1-C6alkyl-, N-C1-C3alkyl-aminocarbonyl-C1-C6alkyl-, N,N-di-(C1-C3alkyl)-aminocarbonyl-C1-C6alkyl-, aryl-C1-C6alkyl- or aryl-C1-C6alkyl- wherein the aryl moiety is substituted by one to three R10, which may be the same or different, or heterocyclyl-C1-C6alkyl- or heterocyclyl-C1-C6alkyl- wherein the heterocyclyl moiety is substituted by one to three R10, which may be the same or different;
• R6 is selected from the group consisting of C1-C6alkyl, C2-C6alkenyl, C2-C6alkynyl, C1-C6alkyl-S—, —NR7R8 and phenyl optionally substituted by one or more R9;
• R7 and R8 are independently selected from the group consisting of C1-C6 alkyl and C1-6 alkoxy, or R7 and R8 together can form a morpholinyl ring;
• and,
• R9 is selected from the group consisting of halogen, cyano, nitro, C1-C3alkyl, C1-C3haloalkyl, C1-C3alkoxy and C1-C3haloalkoxy;
• and
• each R10 is independently halogen, C1-C4alkyl, C1-C4haloalkyl, C1-C4alkoxy or C1-C4haloalkoxy;
• Q is (i), (ii) or (iii)
• wherein B designates the point of attachment to the rest of the molecule;
• A4, A5, A6, A7, and A8, are independently CR11, NR12, N, S, O, or C(O), provided that at least one and no more than three of A4, A5, A6, A7, and A8 is N, NR12, S, O, or C(O);
• each R11 is independently hydrogen, C1-C4alkyl, C1-C4haloalkyl, halogen, cyano, hydroxyl, C1-C4alkoxy, or C1-C4alkylthio;
• each R12 is independently hydrogen, C1-C4alkyl, C1-C4haloalkyl, hydroxyl, C1-C4alkoxy, or C1-C4alkylthio.