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Last Updated: May 10, 2024

Claims for Patent: 10,081,608


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Summary for Patent: 10,081,608
Title:6-acyl-1,2,4-triazine-3,5-dione derivative and herbicides
Abstract: Disclosed are triazine derivative compounds exhibiting sufficient herbicidal activity at low application dosage when they are applied to soils and foliage, and an agrochemical composition using the same, in particular herbicides.
Inventor(s): Shibayama; Atsushi (Shizuoka, JP), Kajiki; Ryu (Shizuoka, JP), Kobayashi; Masami (Tokyo, JP), Mitsunari; Takashi (Tokyo, JP), Nagamatsu; Atsushi (Tokyo, JP)
Assignee: FMC CORPORATION (Philadelphia, PA)
Application Number:15/393,850
Patent Claims:1. A triazine derivative or a salt thereof represented by following Formula 1: ##STR00403## wherein R.sup.1 represents a hydrogen atom; a C.sub.1-C.sub.12 alkyl group; a C.sub.2-C.sub.6 alkenyl group; a C.sub.2-C.sub.6 alkynyl group; a C.sub.3-C.sub.6 cycloalkyl group; a C.sub.3-C.sub.6 cycloalkenyl group; a C.sub.3-C.sub.6 cycloalkyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 haloalkyl group; a C.sub.2-C.sub.6 haloalkenyl group; a C.sub.2-C.sub.6 haloalkynyl group; a C.sub.3-C.sub.6 halocycloalkyl group; a C.sub.3-C.sub.6 halocycloalkyl C.sub.1-C.sub.6 alkyl group; an amino C.sub.1-C.sub.6 alkyl group; a nitro C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylamino C.sub.1-C.sub.6 alkyl group; a di(C.sub.1-C.sub.6 alkyl)amino C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylthio C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfinyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfonyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 haloalkylthio C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 haloalkylsulfinyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 haloalkylsulfonyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group; a hydroxy C.sub.1-C.sub.6 alkyl group; a phenyl C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group, wherein the phenyl in the group may be substituted with one substituent group selected from substituent group .alpha. or 2 to 5 substituent groups that are the same or different from each other and selected from substituent group .alpha.; a C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group; a C.sub.3-C.sub.6 cycloalkyloxy C.sub.1-C.sub.6 alkyl group; a C.sub.3-C.sub.6 cycloalkyl C.sub.1-C.sub.6 alkyloxy C.sub.1-C.sub.6 alkyl group; a phenyloxy C.sub.1-C.sub.6 alkyl group, wherein the phenyl in the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; a phenylthio C.sub.1-C.sub.6 alkyl group, wherein the phenyl in the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; a phenylsulfinyl C.sub.1-C.sub.6 alkyl group, wherein the phenyl in the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; a phenylsulfonyl C.sub.1-C.sub.6 alkyl group, wherein the phenyl in the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; a C.sub.1-C.sub.6 haloalkoxy C.sub.1-C.sub.6 alkyl group; a phenyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenyl C.sub.1-C.sub.6 alkyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenyl C.sub.2-C.sub.6 alkenyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenyl C.sub.2-C.sub.6 alkynyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a C.sub.1-C.sub.6 alkoxyimino C.sub.1-C.sub.6 alkyl group; a phenoxyimino C.sub.1-C.sub.6 alkyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a di(C.sub.1-C.sub.6 alkoxy)C.sub.1-C.sub.6 alkyl group; a (R.sup.31R.sup.32N--C.dbd.O)C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxycarbonyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylcarbonyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylcarbonyloxy C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylidene aminooxy C.sub.1-C.sub.6 alkyl group; a formyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylthio C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfinyl C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfonyl C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group; a cyano C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group; a cyano C.sub.1-C.sub.6 alkyl group; a C.sub.2-C.sub.6 alkylidene amino group; a di(C.sub.1-C.sub.10 alkyl)amino C.sub.1-C.sub.6 alkylidene amino group; a NR.sup.31R.sup.32 group; a C.sub.1-C.sub.6 alkoxy group; a C.sub.2-C.sub.6 alkenyloxy group; a C.sub.2-C.sub.6 alkynyloxy group; a C.sub.3-C.sub.6 cycloalkyloxy group; a C.sub.3-C.sub.6 cycloalkyl C.sub.1-C.sub.6 alkyloxy group; a C.sub.1-C.sub.6 haloalkoxy group; a heterocyclic group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha., and when the heteroatom in the heterocyclic group is a sulfur atom, the sulfur atom may be oxidized to sulfoxide or sulfone; a C.sub.1-C.sub.6 alkyl group substituted with a heterocyclic group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; a C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group substituted with a heterocyclic group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; or a C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group substituted with a heterocyclic-oxy group in which the heterocyclic group in the heterocyclic-oxy group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; R.sup.2 represents a hydrogen atom; a C.sub.1-C.sub.6 alkyl group; a C.sub.2-C.sub.6 alkenyl group; a C.sub.2-C.sub.6 alkynyl group; a C.sub.3-C.sub.6 cycloalkyl group; a C.sub.1-C.sub.6 haloalkyl group; a C.sub.2-C.sub.6 haloalkenyl group; a C.sub.2-C.sub.6 haloalkynyl group; a C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group; a C.sub.3-C.sub.6 cycloalkyloxy C.sub.1-C.sub.6 alkyl group; a di(C.sub.1-C.sub.6 alkoxy) C.sub.1-C.sub.6 alkyl group; a heterocyclic group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; a phenyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenyl C.sub.1-C.sub.6 alkyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenyl C.sub.2-C.sub.6 alkenyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; or a phenyl C.sub.2-C.sub.6 alkynyl group which may be substituted with one or more substituents selected from the substituent group .alpha., Y and Z represent an oxygen atom or a sulfur atom, A represents any one of the following formula A-1 to A-5, ##STR00404## R.sup.4 represents a hydroxyl group; O.sup.-M.sup.+, wherein the M.sup.+ represents an alkali metal cation or an ammonium cation; an amino group; a halogen atom; a cyano group; an isothiocyanate group; an isocyanate group; a hydroxycarbonyloxy group; a C.sub.1-C.sub.6 alkoxycarbonyloxy group; a benzyloxycarbonyloxy group which may be substituted with a substituent group selected from substituent group .alpha.; a C.sub.1-C.sub.6 alkoxy group; a C.sub.2-C.sub.6 alkenyloxy group; a C.sub.2-C.sub.6 alkynyloxy group; a C.sub.3-C.sub.6 cycloalkyloxy group; a cyanomethylene oxy group; a C.sub.3-C.sub.6 cycloalkyl C.sub.1-C.sub.6 alkyloxy group; a C.sub.1-C.sub.6 alkylcarbonyloxy group; a C.sub.1-C.sub.6 haloalkylcarbonyloxy group; a C.sub.2-C.sub.6 alkenylcarbonyloxy group; a C.sub.2-C.sub.6 haloalkenylcarbonyloxy group; a C.sub.2-C.sub.6 alkynylcarbonyloxy group; a C.sub.2-C.sub.6 haloalkynylcarbonyloxy group; a C.sub.1-C.sub.6 alkoxycarbonyl C.sub.1-C.sub.6 alkoxy group; a phenyloxy group which may be substituted with one or more substituents selected from the substituent group .alpha.; a benzyloxy group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenylcarbonyloxy group which may be substituted with one or more substituents selected from the substituent group .alpha.; a benzylcarbonyloxy group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenylcarbonyl C.sub.1-C.sub.6 alkyloxy group which may be substituted with one or more substituents selected from the substituent group .alpha.; a C.sub.1-C.sub.10 alkylsulfonlyoxy group; a C.sub.1-C.sub.6 haloalkylsulfonlyoxy group; a phenylsulfonyloxy group which may be substituted with one or more substituents selected from the substituent group .alpha.; a benzylsulfonyloxy group which may be substituted with one or more substituents selected from the substituent group .alpha.; a C.sub.1-C.sub.10 alkylthio group; a C.sub.1-C.sub.10 alkylsulfinyl group; a C.sub.1-C.sub.10 alkylsulfonyl group; a C.sub.1-C.sub.6 haloalkylthio group; a C.sub.1-C.sub.6 haloalkylsulfinyl group; a C.sub.1-C.sub.6 haloalkylsulfonyl group; a C.sub.2-C.sub.6 alkenylthio group; a C.sub.2-C.sub.6 alkenylsulfinyl group; a C.sub.2-C.sub.6 alkenylsulfonyl group; a C.sub.2-C.sub.6 alkynylthio group; a C.sub.2-C.sub.6 alkynylsulfinyl group; a C.sub.2-C.sub.6 alkynylsulfonyl group; a phenylthio group which may be substituted with one or more substituents selected from the substituent group .alpha.; a benzylthio group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenylsulfinyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a benzylsulfinyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenylsulfonyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a benzylsulfonyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a C.sub.1-C.sub.10 alkylamino group; a di(C.sub.1-C.sub.10 alkyl)amino group; a C.sub.1-C.sub.6 alkoxycarbonylamino group; a C.sub.1-C.sub.6 alkoxy group substituted with a heterocyclic group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; a heterocyclic group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; or a heterocyclic-oxy group in which the heterocyclic group in the heterocyclic-oxy group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha., A.sub.1 represents a group represented by the following formula ##STR00405## A.sub.2 represents a group represented by the following formula ##STR00406## A.sub.3 represents a group represented by the following formula ##STR00407## n represents 0, 1, or 2, R.sup.5, R.sup.6, R.sup.8, R.sup.9, R.sup.35 and R.sup.36 each independently represent a hydrogen atom or a C.sub.1-C.sub.6 alkyl group, wherein, R.sup.5 and R.sup.8 may be joined together to form a C.sub.2-C.sub.5 alkylene chain or a C.sub.2-C.sub.5 alkenylene chain, and may form a ring together with adjacent carbon atoms, and R.sup.5 and R.sup.35 may be joined together to form a C.sub.1-C.sub.5 alkylene chain to form a ring with adjacent carbon atoms, R.sup.7, R.sup.33, and R.sup.34 each independently represent a hydrogen atom, a C.sub.1-C.sub.6 alkyl group, a C.sub.1-C.sub.6 haloalkyl group, a C.sub.2-C.sub.6 alkenyl group, a C.sub.2-C.sub.6 alkynyl group, or a C.sub.1-C.sub.6 alkoxy group, R.sup.14, R.sup.15, R.sup.16, and R.sup.17 each independently represent a hydrogen atom, a C.sub.1-C.sub.6 alkyl group, a C.sub.1-C.sub.6 alkoxy group, or a benzyl group which may be substituted with one or more substituents selected from the substituent group .alpha., R.sup.18 represents a hydrogen atom, a C.sub.1-C.sub.6 alkyl group, a C.sub.2-C.sub.6 alkenyl group, a C.sub.2-C.sub.6 alkynyl group, a cyanomethyl group, or a benzyl group, R.sup.20 represents a C.sub.1-C.sub.6 alkyl group, a C.sub.2-C.sub.6 alkenyl group, a C.sub.2-C.sub.6 alkynyl group, a C.sub.3-C.sub.6 cycloalkyl group, or a C.sub.3-C.sub.6 cycloalkyl C.sub.1-C.sub.6 alkyl group, R.sup.21 represents a hydrogen atom, a C.sub.1-C.sub.6 alkyl group, or a halogen atom, R.sup.23 represents a C.sub.1-C.sub.6 alkyl group, a C.sub.1-C.sub.6 haloalkyl group, a C.sub.3-C.sub.6 cycloalkyl group, a C.sub.1-C.sub.10 alkylthio group, a C.sub.1-C.sub.10 alkylsulfinyl group, a C.sub.1-C.sub.10 alkylsulfonyl group, a phenylthio group which may be substituted with one or more substituents selected from the substituent group .alpha., a benzylthio group which may be substituted with one or more substituents selected from the substituent group .alpha., a phenylsulfinyl group which may be substituted with one or more substituents selected from the substituent group .alpha., a benzylsulfinyl group which may be substituted with one or more substituents selected from the substituent group .alpha., a phenylsulfonyl group which may be substituted with one or more substituents selected from the substituent group .alpha., or a benzylsulfonyl group which may be substituted with one or more substituents selected from the substituent group .alpha., R.sup.24 represents a hydrogen atom, a halogen atom, a cyano group, a C.sub.1-C.sub.6 alkyl group, a C.sub.3-C.sub.6 cycloalkyl group, or a C.sub.1-C.sub.6 alkoxycarbonylamino group, R.sup.25 represents a C.sub.1-C.sub.6 alkoxycarbonyl group, a cyano group, or a nitro group, R.sup.31 and R.sup.32 each independently represent a hydrogen atom; a C.sub.1-C.sub.6 alkyl group; a phenyl group which may be substituted with one or more substituents selected from the Substituent group .alpha.; a benzyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylcarbonyl group; a C.sub.1-C.sub.10 alkylthio carbonyl group; a C.sub.1-C.sub.6 alkoxycarbonyl group; a C.sub.1-C.sub.6 haloalkyl group; a C.sub.3-C.sub.6 cycloalkyl group; a C.sub.3-C.sub.6 cycloalkyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfonyl group; a phenylsulfonyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a benzylsulfonyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a heterocyclic group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; or a C.sub.1-C.sub.6 alkyl group substituted with a heterocyclic group in which the heterocyclic group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha., wherein, R.sup.31 and R.sup.32 may be joined together to form a 5- to 6-membered ring with adjacent nitrogen atom, and the one or more carbon atoms in the ring may be substituted with a sulfur atom and/or an oxygen atom; wherein, "substituent group .alpha." represents a group selected from a group consisting of: a halogen atom; a hydroxyl group; a C.sub.1-C.sub.6 alkyl group; a C.sub.3-C.sub.6 cycloalkyl group; a C.sub.3-C.sub.6 cycloalkyl C.sub.1-C.sub.6 alkyl group; a C.sub.2-C.sub.6 alkenyl group; a C.sub.2-C.sub.6 alkynyl group; a C.sub.1-C.sub.6 haloalkyl group; a C.sub.2-C.sub.6 haloalkenyl group; a C.sub.2-C.sub.6 haloalkynyl group; a C.sub.3-C.sub.6 halocycloalkyl group; a C.sub.3-C.sub.6 halocycloalkyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxy group; a C.sub.3-C.sub.6 cycloalkyloxy group; a C.sub.2-C.sub.6 alkenyloxy group; a C.sub.2-C.sub.6 alkynyloxy group; a C.sub.1-C.sub.6 alkylcarbonyloxy group; a C.sub.1-C.sub.6 haloalkoxy

group; a C.sub.1-C.sub.6 alkylthio group; a C.sub.1-C.sub.6 alkylsulfinyl group; a C.sub.1-C.sub.6 alkylsulfonyl group; a C.sub.1-C.sub.6 haloalkylthio group; a C.sub.1-C.sub.6 haloalkylsulfinyl group; a C.sub.1-C.sub.6 haloalkylsulfonyl group; an amino group; a C.sub.1-C.sub.6 alkylcarbonylamino group; a mono(C.sub.1-C.sub.6 alkyl)amino group; a di(C.sub.1-C.sub.6 alkyl)amino group; a hydroxy C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylthio C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfinyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfonyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 haloalkylthio C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 haloalkylsulfinyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 haloalkylsulfonyl C.sub.1-C.sub.6 alkyl group; a cyano C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkoxy group; a C.sub.3-C.sub.6 cycloalkyl C.sub.1-C.sub.6 alkyloxy group; a C.sub.1-C.sub.6 haloalkoxy C.sub.1-C.sub.6 alkoxy group; a cyano C.sub.1-C.sub.6 alkoxy group; a C.sub.1-C.sub.6 acyl group; a C.sub.1-C.sub.6 alkoxyimino C.sub.1-C.sub.6 alkyl group; a carboxyl group; a C.sub.1-C.sub.6 alkoxycarbonyl group; a carbamoyl group; a mono(C.sub.1-C.sub.6 alkyl)aminocarbonyl group; a di(C.sub.1-C.sub.6 alkyl)aminocarbonyl group; a nitro group; a cyano group; a phenyl group, wherein the phenyl in the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .beta.; a heterocyclic group comprising 2 to 10 carbon atoms and 1 to 5 identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .beta.; a heterocyclic oxy group comprising 2 to 10 carbon atoms and 1 to 5 identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .beta.; and a C.sub.3-C.sub.6 alkylene group formed with two adjacent substituent groups, wherein 1 to 3 carbon atoms in the alkylene group may be substituted with an atom selected from a group consisting of an oxygen atom, a sulfur atom, a nitrogen atom, and a carbon atom constituting an carbonyl group; and "substituent group .beta." represents a group selected from a group consisting of a halogen atom, a nitro group, a cyano group, a C.sub.1-C.sub.6 alkyl group, a C.sub.1-C.sub.6 haloalkyl group, a C.sub.1-C.sub.6 alkoxy group, and a C.sub.1-C.sub.6 haloalkoxy group.

2. The triazine derivative or the salt thereof according to claim 1, wherein R.sup.1 represents a C.sub.1-C.sub.12 alkyl group; a C.sub.2-C.sub.6 alkenyl group; a C.sub.2-C.sub.6 alkynyl group; a C.sub.3-C.sub.6 cycloalkyl group; a C.sub.3-C.sub.6 cycloalkenyl group; a C.sub.3-C.sub.6 cycloalkyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 haloalkyl group; a C.sub.2-C.sub.6 haloalkenyl group; a C.sub.2-C.sub.6 haloalkynyl group; a C.sub.3-C.sub.6 halocycloalkyl group; a C.sub.1-C.sub.6 alkylthio C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfinyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfonyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group; a C.sub.3-C.sub.6 cycloalkyloxy C.sub.1-C.sub.6 alkyl group; a phenyloxy C.sub.1-C.sub.6 alkyl group, wherein the phenyl in the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; a phenylthio C.sub.1-C.sub.6 alkyl group, wherein the phenyl in the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; a phenylsulfinyl C.sub.1-C.sub.6 alkyl group, wherein the phenyl in the group may be substituted with 1 to 5 identical or different substituents selected from the substituent a; a phenylsulfonyl C.sub.1-C.sub.6 alkyl group, wherein the phenyl in the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; a phenyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenyl C.sub.1-C.sub.6 alkyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenyl C.sub.2-C.sub.6 alkenyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenyl C.sub.2-C.sub.6 alkynyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a C.sub.1-C.sub.6 alkoxyimino C.sub.1-C.sub.6 alkyl group; a di(C.sub.1-C.sub.6 alkoxy) C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxycarbonyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylcarbonyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylcarbonyloxy C.sub.1-C.sub.6 alkyl group; a NR.sup.31R.sup.32 group; a heterocyclic group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha., and when the heteroatom in the heterocyclic group is a sulfur atom, the sulfur atom may be oxidized to sulfoxide or sulfone; or a C.sub.1-C.sub.6 alkyl group substituted with a heterocyclic group in which the heterocyclic group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; R.sup.2 represents a hydrogen atom; a C.sub.1-C.sub.6 alkyl group; a C.sub.2-C.sub.6 alkenyl group; a C.sub.2-C.sub.6 alkynyl group; a C.sub.3-C.sub.6 cycloalkyl group; a C.sub.1-C.sub.6 haloalkyl group; a C.sub.2-C.sub.6 haloalkenyl group; a C.sub.2-C.sub.6 haloalkynyl group; a heterocyclic group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; a phenyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; or a phenyl C.sub.1-C.sub.6 alkyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; Y and Z represent an oxygen atom or a sulfur atom, A represents any one of A-1, A-3, and A-5, A.sub.1 is X.sub.1, A.sub.2 is X.sub.3 or X.sub.4, and A.sub.3 is X.sub.9, in X.sub.1, R.sup.5 and R.sup.6 each independently represent a hydrogen atom or a C.sub.1-C.sub.6 alkyl group, in X.sub.3, R.sup.8 and R.sup.9 each independently represent a hydrogen atom or a C.sub.1-C.sub.6 alkyl group, in X.sub.9, R.sup.35 and R.sup.36 each independently represent a hydrogen atom or a C.sub.1-C.sub.6 alkyl group, wherein, R.sup.5 and R.sup.8 may be joined together to form a C.sub.2-C.sub.5 alkylene chain or a C.sub.2-C.sub.5 alkenylene chain, and may form a ring together with adjacent carbon atoms, and R.sup.5 and R.sup.35 may be joined together to form a C.sub.1-C.sub.5 alkylene chain to form a ring with adjacent carbon atoms, in A-3, R.sup.20 is a C.sub.1-C.sub.6 alkyl group, R.sup.21 is a hydrogen atom or a C.sub.1-C.sub.6 alkyl group, in A-5, R.sup.24 represents a hydrogen atom, a C.sub.1-C.sub.6 alkyl group, or a C.sub.3-C.sub.6 cycloalkyl group, R.sup.25 represents a C.sub.1-C.sub.6 alkoxycarbonyl group, a cyano group, or a nitro group, R.sup.4 represents a hydroxyl group; O.sup.-M.sup.+, wherein the M.sup.+ represents an alkali metal cation or an ammonium cation; or a C.sub.1-C.sub.10 alkylsulfonlyoxy group; R.sup.31 and R.sup.32 each independently represent a hydrogen atom; a C.sub.1-C.sub.6 alkyl group; a phenyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; or a benzyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; wherein, R.sup.31 and R.sup.32 may be joined together to form a 5- to 6-membered ring with adjacent nitrogen atom, and the one or more carbon atoms in the ring may be substituted with a sulfur atom and/or an oxygen atom, wherein, "substituent group .alpha." represents a group selected from a group consisting of: a halogen atom; a C.sub.1-C.sub.6 alkyl group; a C.sub.3-C.sub.6 cycloalkyl group; a C.sub.2-C.sub.6 alkenyl group; a C.sub.2-C.sub.6 alkynyl group; a C.sub.1-C.sub.6 haloalkyl group; a C.sub.2-C.sub.6 haloalkenyl group; a C.sub.2-C.sub.6 haloalkynyl group; a C.sub.3-C.sub.6 halocycloalkyl group; a C.sub.1-C.sub.6 alkoxy group; a C.sub.3-C.sub.6 cycloalkyloxy group; a C.sub.2-C.sub.6 alkenyloxy group; a C.sub.2-C.sub.6 alkynyloxy group; a C.sub.1-C.sub.6 haloalkoxy group; a C.sub.1-C.sub.6 alkylthio group; a C.sub.1-C.sub.6 alkylsulfinyl group; a C.sub.1-C.sub.6 alkylsulfonyl group; a nitro group; a cyano group; a phenyl group, wherein the phenyl in the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; a heterocyclic oxy group comprising 2 to 10 carbon atoms and 1 to 5 heteroatoms that are optionally selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; and a C.sub.3-C.sub.6 alkylene group formed with two adjacent substituent groups, wherein 1 to 3 carbon atoms in the alkylene group may be substituted with an atom selected from a group consisting of an oxygen atom, a sulfur atom, a nitrogen atom, and a carbon atom constituting an carbonyl group.

3. The triazine derivative or the salt thereof according to claim 1, wherein R.sup.1 is a group selected from a group consisting of a C.sub.1-C.sub.12 alkyl group; a C.sub.2-C.sub.6 alkenyl group; a C.sub.2-C.sub.6 alkynyl group; a C.sub.3-C.sub.6 cycloalkyl group; a C.sub.3-C.sub.6 cycloalkenyl group; a C.sub.1-C.sub.6 haloalkyl group; a C.sub.2-C.sub.6 haloalkenyl group; a C.sub.1-C.sub.6 alkylthio C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfinyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfonyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group; a phenyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenyl C.sub.1-C.sub.6 alkyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a C.sub.1-C.sub.6 alkoxyimino C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxycarbonyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylcarbonyl C.sub.1-C.sub.6 alkyl group; a NR.sup.31R.sup.32 group; a heterocyclic group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha., and when the heteroatom in the heterocyclic group is a sulfur atom, the sulfur atom may be oxidized to sulfoxide or sulfone; and, a C.sub.1-C.sub.6 alkyl group substituted with a heterocyclic group in which the heterocyclic group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; R.sup.31 and R.sup.32 each independently represent a group selected from a group consisting of a hydrogen atom; a C.sub.1-C.sub.6 alkyl group; and, a phenyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; R.sup.2 represents a group selected from a group consisting of a C.sub.1-C.sub.6 alkyl group; a C.sub.2-C.sub.6 alkenyl group; a C.sub.2-C.sub.6 alkynyl group; a C.sub.3-C.sub.6 cycloalkyl group; a C.sub.1-C.sub.6 haloalkyl group; a heterocyclic group comprising 3 to 10 carbon atoms and one or more identical or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; and, a phenyl group which may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha.; Y and Z represent an oxygen atom or a sulfur atom, A represents any one of A-1, A-3, and A-5, R.sup.4 in A-1 represents a hydroxyl group; O.sup.-M.sup.+, wherein the M.sup.+ represents an alkali metal cation or an ammonium cation; or a C.sub.1-C.sub.10 alkylsulfonlyoxy group; in A-1, A.sub.1 is X.sub.1, A.sub.2 is X.sub.3 or X.sub.4, and A.sub.3 is X.sub.9, in X.sub.1, R.sup.5 and R.sup.6 each independently represent a hydrogen atom or a C.sub.1-C.sub.6 alkyl group, in X.sub.3, R.sup.8 and R.sup.9 each independently represent a hydrogen atom or a C.sub.1-C.sub.6 alkyl group, in X.sub.9, R.sup.35 and R.sup.36 each independently represent a hydrogen atom or a C.sub.1-C.sub.6 alkyl group, wherein, R.sup.5 and R.sup.8 may bind to each other via a C.sub.2-C.sub.5 alkylene chain or a C.sub.2-C.sub.5 alkenylene chain to form a ring, and R.sup.5 and R.sup.35 may bind to each other via a C.sub.1-C.sub.5 alkylene chain to form a ring, in A-3, R.sup.20 is a C.sub.1-C.sub.6 alkyl group, R.sup.21 is a hydrogen atom or a C.sub.1-C.sub.6 alkyl group, and R.sup.4 in A-1 represents a hydroxyl group; O.sup.-M.sup.+, wherein the M.sup.+ represents an alkali metal cation or an ammonium cation; or a C.sub.1-C.sub.10 alkylsulfonlyoxy group; "substituent group .alpha." represents a group selected from a group consisting of: a halogen atom; a C.sub.1-C.sub.6 alkyl group; a C.sub.2-C.sub.6 alkenyl group; a C.sub.2-C.sub.6 alkynyl group; a C.sub.1-C.sub.6 haloalkyl group; a C.sub.1-C.sub.6 alkoxy group; a C.sub.1-C.sub.6 haloalkoxy group; a C.sub.1-C.sub.6 alkylthio group; a C.sub.1-C.sub.6 alkylsulfinyl group; a C.sub.1-C.sub.6 alkylsulfonyl group; a nitro group; a cyano group; a phenyl group; and a C.sub.3-C.sub.6 alkylene group formed with two adjacent substituent groups, wherein 1 to 3 carbon atoms in the alkylene group may be substituted with an atom selected from a group consisting of an oxygen atom, a sulfur atom, a nitrogen atom, and a carbon atom constituting an carbonyl group.

4. The triazine derivative or the salt thereof according to claim 1, wherein R.sup.1 represents a group selected from a group consisting of a C.sub.1-C.sub.12 alkyl group; a C.sub.2-C.sub.6 alkenyl group; a C.sub.2-C.sub.6 alkynyl group; a C.sub.3-C.sub.6 cycloalkyl group; a C.sub.3-C.sub.6 cycloalkenyl group; a C.sub.1-C.sub.6 haloalkyl group; a C.sub.2-C.sub.6 haloalkenyl group; a C.sub.1-C.sub.6 alkylthio C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfinyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfonyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group; a phenyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxyimino C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxycarbonyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylcarbonyl C.sub.1-C.sub.6 alkyl group; a NR.sup.31R.sup.32 group; a heterocyclic group selected from the group consisting of pyridyl group, pyrimidinyl group, pyridazinyl group, thienyl group, isoxazolyl group, pyrazolyl group, morpholinyl group, thiomorpholinyl group, pyrazinyl group, piperidinyl group, and pyperazinyl group, wherein the heterocyclic group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha., and when the heteroatom in the heterocyclic group is a sulfur atom, the sulfur atom may be oxidized to sulfoxide or sulfone; and, a tetrahydrofuryl-methyl group; R.sup.31 and R.sup.32 each independently represent a group selected from a group consisting of a hydrogen atom; a C.sub.1-C.sub.6 alkyl group; and a phenyl group; R.sup.2 represents a group selected from a group consisting of a C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 haloalkyl group; a pyridyl group; and a phenyl group; Y and Z represent an oxygen atom or a sulfur atom, A represents any one of A-1 and A-3, R.sup.4 in A-1 represents a hydroxyl group; or a C.sub.1-C.sub.10 alkylsulfonlyoxy group, in A-1, A.sub.1 is X.sub.1, A.sub.2 is X.sub.3 or X.sub.4, and A.sub.3 is X.sub.9, in X.sub.1, R.sup.5 and R.sup.6 are a hydrogen atom or a C.sub.1-C.sub.6 alkyl group, in X.sub.3, R.sup.8 and R.sup.9 are a hydrogen atom or a C.sub.1-C.sub.6 alkyl group, in X.sub.9, R.sup.35 and R.sup.36 are a hydrogen atom or a C.sub.1-C.sub.6 alkyl group, wherein, R.sup.5 and R.sup.8 may be joined together to form a C.sub.2-C.sub.5 alkylene chain and to form a ring, and R.sup.5 and R.sup.35 may be joined together to form a C.sub.1-C.sub.5 alkylene chain and to form a ring, in A-3, R.sup.20 is a C.sub.1-C.sub.6 alkyl group, R.sup.21 is a hydrogen atom or a C.sub.1-C.sub.6 alkyl group, and R.sup.4 represents a hydroxyl group or a C.sub.1-C.sub.10 alkylsulfonlyoxy group, and "substituent group .alpha." represents a group selected from a group consisting of a halogen atom; a C.sub.1-C.sub.6 alkyl group; a C.sub.2-C.sub.6 alkenyl group; a C.sub.2-C.sub.6 alkynyl group; a C.sub.1-C.sub.6 haloalkyl group; a C.sub.1-C.sub.6 alkoxy group; a C.sub.1-C.sub.6 haloalkoxy group; a C.sub.1-C.sub.6 alkylthio group; a C.sub.1-C.sub.6 alkylsulfinyl group; a C.sub.1-C.sub.6 alkylsulfonyl group; a nitro group; a cyano group; a phenyl group; and a methylenedioxy group.

5. An agrochemical composition comprising the triazine derivative or the salt thereof described in claim 1, and an agriculturally acceptable carrier.

6. The agrochemical composition according to claim 5, in which the agrochemical composition further comprises a surface active agent.

7. A herbicide comprising the triazine derivative or the salt thereof described in claim 1 as an active component.

8. The herbicide according to claim 7, in which the herbicide has a herbicidal activity against weeds in a field or a paddy field in which agrohorticultural plants are cultivated.

9. The herbicide according to claim 8, in which the agrohorticultural plants are agrohorticultural plants given with resistance by a breeding method or a genetic recombination technique.

10. A method of eliminating weeds in soils by applying an effective amount of a herbicide comprising the triazine derivative or the salt thereof described in claim 1.

11. The method according to claim 10, in which the soils are a farmland.

12. The method according to claim 11, in which the farmland is a field or a paddy field in which agrohorticultural plants are cultivated.

13. The method of claim 12, wherein the agrohorticultural plants are selected from the group consisting of rice, wheat, barley, corn, sorghum, soybean, cotton, sugar cane and sugar beet.

14. The method of claim 12, wherein the agrohorticultural plants are corn or sugar cane.

15. The method of claim 10, wherein the weeds belong to a family selected from a group consisting of Abutilon theophrasti, Amaranthus palmeri, Amaranthus retroflexus, Amaranthus rudis, Ambrosia artemisiifolia, Ambrosia trifida, Brassica napus, Capsella bursa-pastoris, Chenopodium album, Cirsium arvense, Convolvulus arvensis, Datura stramonium, Galium aparine, Helianthus annuus, Ipomoea hederacea, Ipomoea triloba, Kochia scoparia, Lamium amplexicaule, Matricaria perforate, Polygonum convolvulus, Polygonum lapathifolium, Polygonum pensylvanicum, Portulaca oleracea, Solanum nigrum, Veronica persica, Capsella bursa-pastoris, Acalypha australis, Ambrosia artemisiifolia, Amaranthus albus, Bidens pilosa, Bidens tripartite, Cassia obtusifolia, Polygonum persicaria, Rumex crispus, Sida spinose, Sinapis arvensis, Solanum carolinense, Taraxacum officinale, Thlaspi arvense, Trifolium repens, Veronica arvensis, Bromus tectorum, Echinochloa crus-galli, and Cyperus esculentus.

16. The method of claim 10, wherein substituents of the triazine derivative are defined as follows: ##STR00408## Y=O; R.sup.1=4-F-Ph; and R.sup.2=Me.

17. A triazine derivative or a salt thereof represented by following Formula 2: ##STR00409## wherein B represents a hydroxyl group or a C.sub.1-C.sub.6 alkoxy group; R.sup.1 represents a chemical group selected from the group consisting of a C.sub.2-C.sub.6 alkenyl group; a C.sub.2-C.sub.6 alkynyl group; a C.sub.3-C.sub.6 cycloalkyl group; a C.sub.3-C.sub.6 cycloalkenyl group; a C.sub.1-C.sub.6 haloalkyl group; a C.sub.2-C.sub.6 haloalkenyl group; a C.sub.1-C.sub.6 alkoxy C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylthio C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfinyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylsulfonyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxyimino C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkoxycarbonyl C.sub.1-C.sub.6 alkyl group; a C.sub.1-C.sub.6 alkylcarbonyl C.sub.1-C.sub.6 alkyl group; a phenyl group which may be substituted with one or more substituents selected from the substituent group .alpha.; a phenyl C.sub.1-C.sub.6 alkyl group; and a heterocyclic group selected from the group consisting of pyridyl group, pyrimidinyl group, pyrazinyl group, pyridazinyl group, thienyl group, thiazolyl group, isoxazolyl group, pyrazolyl group, morpholinyl group, thiomorpholinyl group, and pyperazinyl group, wherein the group may be substituted with 1 to 5 identical or different substituents selected from the substituent group .alpha., and when the heteroatom in the heterocyclic group is a sulfur atom, the sulfur atom may be oxidized to sulfoxide or sulfone; R.sup.2 represents a chemical group selected from the group consisting of a C.sub.1-C.sub.6 alkyl group, a C.sub.1-C.sub.6 haloalkyl group, and a pyridyl group; Y represents an oxygen atom; Z represent an oxygen atom or a sulfur atom; wherein, "substituent group .alpha." represents a chemical group selected from the group consisting of a halogen atom, a C.sub.1-C.sub.6 alkyl group, a C.sub.2-C.sub.6 alkenyl group, a C.sub.2-C.sub.6 alkynyl group, a C.sub.1-C.sub.6 haloalkyl group, a C.sub.1-C.sub.6 alkoxy group, a C.sub.1-C.sub.6 haloalkoxy group, a C.sub.1-C.sub.6 alkylthio group, a C.sub.1-C.sub.6 alkylsulfinyl group, a C.sub.1-C.sub.6 alkylsulfonyl group, a nitro group, a cyano group, a phenyl group, and a methylenedioxy group; and "substituent group .beta." represents a group selected from a group consisting of a halogen atom, a nitro group, a cyano group, a C.sub.1-C.sub.6 alkyl group, a C.sub.1-C.sub.6 haloalkyl group, a C.sub.1-C.sub.6 alkoxy group, and a C.sub.1-C.sub.6 haloalkoxy group.

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