Fused-heterocycle dicarboxylic acid diamide derivatives or salts thereof, herbicide and usage thereof

A fused heterocyclic dicarboxylic acid diamide derivative represented by formula (I) or a salt thereof:

• wherein R1 represents hydrogen atom or (C1-C6) alkyl group;
• R2 and R3 may be same or different and each represents hydrogen atom, (C1-C8) alkyl group, halo (C1-C6) alkyl group, (C3-C8) cycloalkyl group, (C3-C6) cycloalkyl (C1-C6) alkyl group, (C3-C6) cycloalkyl group having, on the ring thereof, at least one, same or different halogen atoms, (C1-C6) alkoxy group, (C1-C6) alkoxy (C1-C6) alkyl group, (C1-C6) alkylthio group, alkylthio (C1-C6) alkyl group, cyano (C1-C6) alkyl group, (C1-C6) alkoxycarbonyl (C1-C6) alkyl group, amino (C1-C6) alkyl group, substituted amino (C1-C6) alkyl group substituted with one or two, same or different (C1-C6) alkyl groups, phenyl (C1-C6) alkyl group, substituted phenyl (C1-C6) alkyl group having, on the ring thereof, at least one, same or different substituents selected from the group consisting of halogen atoms and (C1-C6) alkyl groups, phenyl (C1-C6) alkoxy group or substituted phenyl (C1-C6) alkoxy group having, on the ring thereof, at least one, same or different substituents selected from the group consisting of halogen atoms and (C1-C6) alkyl groups;
• or
• R2 and R3, taken conjointly, represent a 5- to 6-membered heterocycle having at least one, same or different heteroatoms selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, further, the carbon atom or nitrogen atom on said heterocycle may have at least one, same or different substituents selected from the group consisting of halogen atom, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C1-C6) alkoxy group, halo (C1-C6) alkoxy group, (C1-C6) alkylthio group and halo (C1-C6) alkylthio group;
• X represents 0 to 5, same or different substituents selected from the group consisting of halogen atom, nitro group, cyano group, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C3-C6) cycloalkyl group, (C3-C6) cycloalkyl (C1-C6) alkyl group, (C3-C6) cycloalkyl group having, on the ring thereof, at least one, same or different halogen atoms, (C1-C6) alkoxy group, halo (C1-C6) alkoxy group, (C1-C6) alkylthio group, halo (C1-C6) alkylthio group, (C1-C6) alkylsulfinyl group, halo (C1-C6) alkylsulfinyl group, (C1-C6) alkylsulfonyl group, halo (C1-C6) alkylsulfonyl group, (C1-C6) alkoxy (C1-C6) alkyl group, (C1-C6) alkylthio (C1-C6) alkyl group, (C1-C6) alkoxycarbonyl group, amino group, substituted amino group substituted with same or different (C1-C6) alkyl groups, cyano (C1-C6) alkyl groups, phenyl (C1-C6) alkyl groups, (C1-C6) alkoxycarbonyl (C1-C6) alkyl groups, (C1-C6) alkoxycarbonyl groups, (C1-C6) acyl groups, (C1-C6) alkylsulfonyl groups or halo (C1-C6) alkylsulfonyl groups, phenyl group, substituted phenyl group having at least one, same or different substituents selected from the group consisting of halogen atom, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C1-C6) alkoxy group, halo (C1-C6) alkoxy group, (C1-C6) alkylthio group, halo (C1-C6) alkylthio group, (C1-C6) alkylsulfinyl group, halo (C1-C6) alkylsulfinyl group, (C1-C6) alkylsulfonyl group, halo (C1-C6) alkylsulfonyl group and phenyl group, phenoxy group, substituted phenoxy group having at least one, same or different substituents selected from the group consisting of halogen atom, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C1-C6) alkoxy group, halo (C-C6) alkoxy group, (C1-C6) alkylthio group, halo (C1-C6) alkylthio group and phenyl group, phenylthio group, substituted phenylthio group having at least one, same or different substituents selected from the group consisting of halogen atom, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C1-C6) alkoxy group, halo (C1-C6) alkoxy group, (C1-C6) alkylthio group, halo (C1-C6) alkylthio group and phenyl group, phenyl (C1-C6) alkyl group or substituted phenyl (C1-C6) alkyl group having, on the ring thereof, at least one, same or different substituents selected from the group consisting of halogen atom, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C1-C6) alkoxy group, halo (C1-C6) alkoxy group, (C1-C6) alkylthio group, halo (C1-C6) alkylthio group and phenyl group;
• and
• represents Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12 or Q13, wherein:
• Q4 is a group of the following formula:
• wherein R9 is same or different and represents halogen atom, nitro group, cyano group, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C3-C6) cycloalkyl group, (C3-C6) cycloalkyl (C1-C6) alkyl group, (C1-C6) alkoxy group, halo (C1-C6) alkoxy group, (C1-C6) alkoxy (C1-C6) alkyl group, (C1-C6) alkoxycarbonyl group, (C1-C6) alkylthio group, halo (C1-C6) alkylthio group, (C1-C6) alkylsulfinyl group, halo (C1-C6) alkylsulfinyl group, (C1-C6) alkylsulfonyl group, halo (C1-C6) alkylsulfonyl group, (C1-C6) alkylthio (C1-C6) alkyl group, phenyl group, substituted phenyl group having at least one, same or different substituents selected from the group consisting of halogen atom, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C1-C6) alkoxy group, halo (C1-C6) alkoxy group, (C1-C6) alkylthio group, halo (C1-C6) alkylthio group, (C1-C6) alkylsulfinyl group, halo (C1-C6) alkylsulfinyl group, (C1-C6) alkylsulfonyl group, halo (C1-C6) alkylsulfonyl group and phenyl group, phenoxy group, substituted phenoxy group having at least one, same or different substituents selected from the group consisting of halogen atom, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C1-C6) alkoxy group, halo (C1-C6) alkoxy group, (C1-C6) alkylthio group, halo (C1-C6) alkylthio group and phenyl group, phenylthio group, substituted phenylthio group having at least one, same or different substituents selected from the group consisting of halogen atom, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C1-C6) alkoxy group, halo (C1-C6) alkoxy group, (C1-C6) alkylthio group, halo (C1-C6) alkylthio group and phenyl group, amino group, substituted amino group substituted with at least one, same or different substituents selected from the group consisting of (C1-C6) alkyl group, cyano (C1-C6) alkyl group, (C1-C6) alkoxycarbonyl (C1-C6) alkyl group, (C1-C6) alkoxycarbonyl group, (C1-C6) alkoxyaminocarbonyl group, (C1-C6) acyl group, (C1-C6) alkylsulfonyl group, halo (C1-C6) alkylsulfonyl group and phenyl (C1-C6) alkyl group, (C3-C5) alkyleneimino group, hydrazino group or substituted hydrazino group substituted with same or different (C1-C6) alkyl groups;
• m represents an integer of 0 to 2;
• Z represents oxygen atom, sulfur atom or N—R10 wherein R10 represents hydrogen atom, hydroxyl group, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C3-C6) cycloalkyl group, (C3-C6) cycloalkyl (C1-C6) alkyl group, (C1-C6) alkoxy group, (C1-C6) alkoxy (C1-C6) alkyl group, (C1-C6) alkoxycarbonyl group, (C1-C6) alkylsulfonyl group, halo (C1-C6) alkylsulfonyl group or (C1-C6) alkylthio (C1-C6) alkyl group;
• and Y represents hydrogen atom, halogen atom, nitro group, cyano group, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C3-C6) cycloalkyl group, (C3-C6) cycloalkyl (C1-C6) alkyl group, (C1-C6) alkoxy group, halo (C1-C6) alkoxy group, (C1-C6) alkoxy (C1-C6) alkyl group, (C1-C6) alkylthio group, halo (C1-C6) alkylthio group, (C1-C6) alkylsulfinyl group, halo (C1-C6) alkylsulfinyl group, (C1-C6) alkylsulfonyl group, halo (C1-C6) alkylsulfonyl group, (C1-C6) alkylthio (C1-C6) alkyl group, (C1-C6) alkoxycarbonyl group, phenyl group, substituted phenyl group having at least one, same or different substituents selected from the group consisting of halogen atom, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C1-C6) alkoxy group, halo (C1-C6) alkoxy group, (C1-C6) alkylthio group, halo (C1-C6) alkylthio group, (C1-C6) alkylsulfinyl group, halo (C1-C6) alkylsulfinyl group, (C1-C6) alkylsulfonyl group, halo (C1-C6) alkylsulfonyl group and phenyl group, phenoxy group, substituted phenoxy group having at least one, same or different substituents selected from the group consisting of halogen atom, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C1-C6) alkoxy group, halo (C1-C6) alkoxy group, (C1-C6) alkylthio group, halo (C1-C6) alkylthio group and phenyl group, phenylthio group, substituted phenylthio group having at least one, same or different substituents selected from the group consisting of halogen atom, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C1-C6) alkoxy group, halo (C1-C6) alkoxy group, (C1-C6) alkylthio group, halo (C1-C6) alkylthio group and phenyl group, amino group, substituted amino group having at least one, same or different substituents selected from the group consisting of (C1-C6) alkyl group, cyano (C1-C6) alkyl group, (C1-C6) alkoxycarbonyl (C1-C6) alkyl group, (C1-C6) alkoxycarbonyl group, (C1-C6) alkoxyaminocarbonyl group, (C1-C6) acyl group, (C1-C6) alkylsulfonyl group, halo (C1-C6) alkylsulfonyl group and phenyl (C1-C6) alkyl group, (C3-C5) alkyleneimino group, hydrazino group or substituted hydrazino group substituted with same or different (C1-C6) alkyl groups;
• Q5 is a group of the following formula:
• wherein R9, Y, Z and m are as defined above;
• Q6 is a group of the following formula:
• wherein R9, Y, Z and m are as defined above;
• Q7 is a group of the following formula:
• wherein at least one of L, M and T represent oxygen atom, sulfur atom, sulfinyl group, sulfonyl group, carbonyl group or N—R11 wherein R11 represents hydrogen atom, hydroxyl group, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C3-C6) cycloalkyl group, (C3-C6) cycloalkyl (C1-C6) alkyl group, (C1-C6) alkoxy group, (C1-C6) alkoxy (C1-C6) alkyl group, (C1-C6) alkoxycarbonyl group, (C1-C6) alkylsulfonyl group, halo (C1-C6) alkylsulfonyl group or (C1-C6) alkylthio (C1-C6) alkyl group, and the others of L, M and T each represents C-(R12)R13 wherein R12 and R13 may be same or different and each represents hydrogen atom, (C1-C6) alkyl group, halo (C1-C6) alkyl group, (C3-C6) cycloalkyl group, (C3-C6) cycloalkyl (C1-C6) alkyl group, (C3-C6) cycloalkyl group having at least one, same or different halogen atoms on the ring thereof, (C1-C6) alkoxy group, (C1-C6) alkoxy (C1-C6) alkyl group, (C1-C6) alkylthio (C1-C6) alkyl group, (C1-C6) alkoxycarbonyl (C1-C6) alkyl group, phenyl (C1-C6) alkyl group, substituted phenyl (C1-C6) alkyl group having, on the ring thereof, at least one, same or different substituents selected from the group consisting of halogen atoms and (C1-C6) alkyl groups, phenyl (C1-C6) alkoxy group, substituted phenyl (C1-C6) alkoxy group having, on the ring thereof, at least one, same or different substituents selected from the group consisting of halogen atoms and (C1-C6) alkyl groups, amino (C1-C6) alkyl group or substituted amino (C1-C6) alkyl group substituted with at least one, same or different (C1-C6) alkyl groups;
• and Y is defined above;
• Q8 is as group of the following formula:
• wherein R14 represents hydrogen atom or is the same as R9, and Y and Z are as defined above;
• Q9 is a group of the following formula:
• wherein R14, Y and Z are as defined above;
• Q10 is a group of the following formula:
• wherein R14, Y and Z are as defined above;
• Q11 is a group of the following formula:
• wherein R14, Y and Z are as defined above;
• Q12 is a group of the following formula:
• wherein R14, Y and Z are as defined above;
• and Q13 is a group of the following formula:
• wherein R14 and Z are as defined above.