Abstract: A compound represented by a formula (I) or a salt thereof; and a herbicide containing at least one selected from the group consisting of the compound and a salt thereof as an active ingredient. wherein Ra and Rb each independently represent a hydrogen atom, a substituted or unsubstituted C1-6 alkyl group, or the like; X1 and X2 each independently represent a hydrogen atom, a substituted or unsubstituted C1-6 alkyl group, or the like; X3 represents a hydrogen atom, a substituted or unsubstituted C1-6 alkyl group, or a halogeno group; X4 represents a hydrogen atom or a halogeno group; R2 represents a substituted or unsubstituted C1-6 alkyl group, or the like; Q represents a group represented by a formula (Q1), or the like; and in the formula (Q1), an asterisk (*) indicates a bonding position with an Ra-substituted nitrogen atom, and each R1 independently represents a hydrogen atom or a substituted or unsubstituted C1-6 alkyl group.

Abstract: The present invention relates to compounds represented by formula (I) (in the formula, R1 represents, e.g., a substituted or unsubstituted C1-6 alkyl group, R2 represents a group represented by Ra—CO—O—CRb2— or a group represented by RaO—CO—O—CRb2—, each Ra independently represents a substituted or unsubstituted C1-6 alkyl group, each Rb independently represents a hydrogen atom or a substituted or unsubstituted C1-6 alkyl group, R3 represents, e.g., a hydrogen atom, and Q represents, e.g., a substituted or unsubstituted phenyl group), or salts thereof, and herbicides comprising at least one selected therefrom as an effective component.

Abstract: A compound represented by a formula (I) or a salt thereof, and a herbicide containing at least one selected from them as an active ingredient: wherein R1 represents a substituted or unsubstituted C1-6 alkyl group or the like, R2 represents a substituted or unsubstituted C1-6 alkyl group or the like, R3 represents a hydrogen atom, a substituted or unsubstituted C1-6 alkyl group or the like, and Q represents a substituted or unsubstituted phenyl group or the like.

Abstract: A compound represented by formula (I) or a salt thereof, and a herbicide containing at least one selected from the group consisting of the compounds described above as an active ingredient. In formula (I), R1 represents a substituted or unsubstituted C1 to C6 alkyl group, or the like, R2 represents H, a substituted or unsubstituted C1 to C6 alkyl group, or the like, R3 represents H, a substituted or unsubstituted C1 to C6 alkyl group, or the like, R4 represents a halogeno group, a substituted or unsubstituted C1 to C6 alkyl group, or the like, R5 represents H or a halogeno group, R6 represents H or a halogeno group, A represents a substituted or unsubstituted C1 to C4 alkylene group, a substituted or unsubstituted C2 to C3 alkenylene group, or a C1 to C2 alkyleneoxy C1 to C2 alkylene group, X1 represents O or a sulfonyl group, X2 represents O, a sulfenyl group, or the like, m represents 0 or 1, n represents 0 or 1, and m+n=1 or 2, and when A is a substituted or unsubstituted methylene group, m+n=2.

Abstract: It is to provide a novel benzamide compound useful as an active ingredient of a herbicide, the benzamide compound exhibiting a definite weed control effect even in a small amount, having low phytotoxicity to crops, and having high safety in environments, and a herbicide. A compound of the present invention is a compound of formula (II) or a salt thereof.