Herbicidal imidazole compounds

A compound of Formula (I):

• or an agronomically acceptable salt thereof,
• wherein
• Q is phenyl or a C-linked 6-membered heteroaryl wherein said phenyl or 6-membered heteroaryl is optionally substituted by one or more independent R1;
• U is a 5-membered heteroaryl optionally substituted by one or more independent R7;
• R1 is selected from the group consisting of halogen, C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 alkoxy, C1-C4 haloalkoxy, C3-C6cycloalkyl, C1-C4alkoxyC1-C3alkyl-, C1-C4alkoxyC1-C3alkoxy-, C1-C4alkoxyC1-C3alkoxyC1-C3alkyl-, —CN, NO2, C2-C4alkenyl, C2-C4alkynyl, —S(O)pC1-C4alkyl, —S(O)pC1-C4haloalkyl, —C(O)OC1-C4alkyl and —C(O)NR4R5;
• R2 is selected from the group consisting of halogen, —CN, NO2, C1-C4alkyl, C1-C4haloalkyl, C1-C4alkoxy, —C(O)C1-C4alkyl, —C(O)OC1-C4alkyl, C1-C4haloalkoxy, —S(O)pC1-C4alkyl, —C(R6)═NOR8 and C3-C6cycloalkyl;
• R3 is selected from the group consisting of hydrogen, halogen, C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 alkoxy, C1-C4 haloalkoxy, —CN, NO2, C2-C4alkenyl, C2-C4alkynyl, —S(O)pC1-C4alkyl, —S(O)pC1-C4haloalkyl, —C(O)OC1-C4alkyl and —C(O)NR4R5;
• R4 is selected from the group consisting of hydrogen, C3-C4cycloalkyl, C1-C4alkyl and C1-C4haloalkyl;
• R5 is selected from the group consisting of hydrogen, C3-C4cycloalkyl, C1-C4alkyl and C1-C4haloalkyl;
• R6 is hydrogen or C1-C2 alkyl;
• R7 is independently of halogen, C1-C4 alkyl, C3-C4cycloalkyl, C1-C4 haloalkyl, C1-C4 alkoxy, C1-C4 haloalkoxy, C1-C4alkoxyC1-C3alkyl-, C1-C4alkoxyC1-C3alkoxy-, —CN, C2-C4alkenyl, C2-C4alkynyl, —S(O)pC1-C4alkyl, —S(O)pC1-C4haloalkyl, —C(O)OC1-C4alkyl, —C(O)NR9R10, —NR11COR12 and —S(O)pNR13R14,
• R8 is hydrogen or C1-C2 alkyl;
• R9 is selected from the group consisting of hydrogen, C3-C4cycloalkyl, C1-C4alkyl and C1-C4haloalkyl;
• R10 is selected from the group consisting of hydrogen, C3-C4cycloalkyl, C1-C4alkyl and C1-C4haloalkyl;
• R11 is selected from the group consisting of hydrogen, C3-C4cycloalkyl, C1-C4alkyl and C1-C4haloalkyl;
• R12 is selected from the group consisting of hydrogen, C3-C4cycloalkyl, C1-C4alkyl and C1-C4haloalkyl;
• R13 is selected from the group consisting of hydrogen, C3-C4cycloalkyl, C1-C4alkyl and C1-C4haloalkyl;
• R14 is selected from the group consisting of hydrogen, C3-C4cycloalkyl, C1-C4alkyl and C1-C4haloalkyl;
• and
• p=0, 1 or 2.