Oxadiazolone compounds and herbicidal compositions and uses thereof

An oxadiazolone compound of Formula (I) or tautomer thereof:

• in Formula (I), R1 and R2 are independently selected from the group consisting of unsubstituted or substituted C1-C6 alkyl and C3-C6 cycloalkyl, wherein the substituents are 1 to 3 groups independently selected from the group consisting of halogen, nitro, C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 alkoxy, and C1-C6 haloalkoxy;
• Q is selected from a structure of Q1, Q2 or Q3:
• wherein, A1, A2, A3, A4, and A5 are independently selected from O and S;
• R3 and R10 are independently selected from the group consisting of hydrogen, unsubstituted or substituted C1-C6 alkyl, C3-C6 cycloalkyl, C1-C6 alkoxy, phenyl, and benzyl, wherein the substituents are 1 to 3 groups independently selected from the group consisting of halogen, nitro, C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 alkoxy, C1-C6 haloalkoxy, phenyl, and halophenyl;
• n is an integer from 1 to 6;
• R4 is selected from the group consisting of hydrogen, halogen, unsubstituted or substituted C1-C6 alkyl, C3-C6 cycloalkyl, and C1-C6 alkoxy, wherein the substituents are 1 to 3 groups independently selected from the group consisting of halogen, nitro, C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 alkoxy, and C1-C6 haloalkoxy;
• R5 is selected from the group consisting of hydrogen, unsubstituted or substituted C1-C6 alkyl, and C3-C6 cycloalkyl, wherein the substituents are 1 to 3 groups independently selected from the group consisting of halogen, nitro, C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 alkoxy, and C1-C6 haloalkoxy;
• R6 is selected from the group consisting of hydrogen, a structure of Formula (1), unsubstituted or substituted C1-C6 alkyl, C3-C6 cycloalkyl, and C3-C6 heterocycloalkyl, wherein the substituents are 1 to 3 groups independently selected from the group consisting of halogen, nitro, C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 alkoxy, and C1-C6 haloalkoxy;
• in Formula (1), A6 is selected from the group consisting of N and CR9, R9 is selected from the group consisting of hydrogen, unsubstituted or substituted C1-C6 alkyl, C3-C6 cycloalkyl, and C1-C6 alkoxy, wherein the substituents are 1 to 3 groups independently selected from the group consisting of halogen, nitro, C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 alkoxy, and C1-C6 haloalkoxy;
• R7 and R8 are independently selected from the group consisting of hydrogen, unsubstituted or substituted C1-C6 alkyl, C3-C6 cycloalkyl, and C1-C6 alkoxy, wherein the substituents are 1 to 3 groups independently selected from the group consisting of halogen, nitro, C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 alkoxy, and C1-C6 haloalkoxy;
• R7 and R5 are not both H;
• or, R7 and R8 together with A6 to which they are attached form an unsubstituted or substituted C3-C8 ring comprising 0-3 heteroatoms, wherein the substituents are 1 to 3 groups independently selected from the group consisting of halogen, nitro, C1-C6 alkyl, C3-C6 cycloalkyl, C1-C6 haloalkyl, C1-C6 alkoxy, and C1-C6 haloalkoxy;
• the heteroatoms are selected from the group consisting of oxygen, sulfur, and nitrogen.