WO1996020195A1 - Derives d'hydantoine, procede de production et herbicides les incluant comme ingredients actifs - Google Patents
Derives d'hydantoine, procede de production et herbicides les incluant comme ingredients actifs Download PDFInfo
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- WO1996020195A1 WO1996020195A1 PCT/JP1995/002683 JP9502683W WO9620195A1 WO 1996020195 A1 WO1996020195 A1 WO 1996020195A1 JP 9502683 W JP9502683 W JP 9502683W WO 9620195 A1 WO9620195 A1 WO 9620195A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
Definitions
- Hydantoin derivatives their production methods, and herbicides containing them as active ingredients
- the present invention relates to a novel hydantoin derivative, a method for producing the same, and a herbicide containing the derivative as an active ingredient.
- the present inventors have conducted intensive studies in search of an excellent herbicide. As a result, a method for easily producing a hydantoin derivative represented by the following general formula (1) of the present invention, which has not been known at all, and The inventors have found that these derivatives have excellent herbicidal activity and completed the present invention.
- the present invention relates to general formula (1) (In the formula, X represents an oxygen atom or a sulfur atom, X 1 represents a hydrogen atom, a halogen atom, or an alkyl group having 1 to 8 carbon atoms, and X 2 represents a hydrogen atom, a halogen atom, and 1 to 8 carbon atoms.
- alkyl group or, - Y- CI R ⁇ C ⁇ O ⁇ represents a group represented by R 2
- X 3 represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 8 carbon atoms, ZR 3, a nitro group, or NR, 4 represents an R 5.
- X 2 and X 3 may be combined to form a group represented by -Y-CI IDC ⁇ ) ⁇ 6- .
- Y and Z represent an oxygen atom or a sulfur atom
- R ′ represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
- R 2 represents an alkyl group or an aralkyl group having 1 to 6 carbon atoms
- R 3 is a hydrogen atom, an alkyl group having 1 to 11 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms, an alkenyl group having 3 to 12 carbon atoms, an alkynyl group having 3 to 12 carbon atoms, and having 1 to 8 carbon atoms.
- Alkoxycarbonylmethyl group, C1-8 alkoxycarbonyl group, or carbon number? represents an aralkyloxycarbonyl group having from 11 to 11, wherein R 4 is independently a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an acyl group having 2 to 6 carbon atoms, or an alkyl group having 1 to 6 carbon atoms.
- R 6 represents a hydrogen atom, an alkyl group having 1 to 11 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms, an alkenyl group having 3 to 12 carbon atoms, or a carbon atom having 3 carbon atoms. Represents up to 12 alkynyl groups.
- a hydantoin derivative represented by the formula:
- X represents an oxygen atom or a sulfur atom
- X 1 represents a hydrogen atom, a halogen atom, or an alkyl group having 1 to 8 carbon atoms
- X 2 ′ represents a hydrogen atom
- X 3 ′ represents a halogen atom, an alkyl group having 1 to 8 carbon atoms, a halogen atom, an alkyl group having 1 to 8 carbon atoms, ZR 3 ′, a nitro group, or NR 4 ′ R 5 ′.
- Y and Z represent an oxygen atom or a sulfur atom
- R 1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
- R 3 ′ is an alkyl group having 1 to 11 carbon atoms
- 3 to 3 carbon atoms
- R 4 ′ and R 5 ′ each independently represents an alkyl group having 1 to 6 carbon atoms, an acyl group having 2 to 6 carbon atoms, and an alkylsulfonyl group having 1 to 6 carbon atoms.
- an arylsulfonyl group wherein Rb is a hydrogen atom, an alkyl group having 1 to 11 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms, an alkenyl group having 3 to 12 carbon atoms, and having 3 to 12 carbon atoms. Represents an alkynyl group.
- an arylisothiocyanate derivative represented by the general formula (3)
- R 7 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms
- a dehydropipecolic acid derivative represented by the following general formula (4):
- X represents an oxygen atom or a sulfur atom
- X 1 and X 2 independently represent a hydrogen atom, a halogen atom, or an alkyl group having 1 to 8 carbon atoms
- R 8 represents 1 carbon atom. 8 alkyl group, or wherein the hydrolysis of hydantoin derivatives represented by the representative.
- ⁇ represents an alkyl group having 1 to 11 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms, an alkenyl group having 3 to 12 carbon atoms, an alkynyl group having 3 to 12 carbon atoms, and an alkoxy group having 1 to 8 carbon atoms.
- Carbonylmethyl group, C1-8 alcohol Represents an xycarbonyl group or an aralkyloxycarbonyl group having 7 to 11 carbon atoms, and L represents a leaving group.
- the compound represented by the general formula (8) is reacted in the presence of a base.
- ⁇ represents an acyl group having 2 to 6 carbon atoms, an alkylsulfonyl group or an arylsulfonyl group having 1 to 6 carbon atoms, and L represents a leaving group).
- X represents an oxygen atom or a sulfur atom
- X ′ represents a hydrogen atom, a halogen atom or an alkyl group having 1 to 4 carbon atoms
- X 4 represents a halogen atom.
- R 1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
- R 2 represents an alkyl group or an aralkyl group having 1 to 6 carbon atoms
- Y represents an oxygen atom or a sulfur atom.
- R represents an alkyl group having 1 to 11 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms, an alkenyl group having 3 to 12 carbon atoms, or an alkynyl group having 3 to 12 carbon atoms.
- the derivative represented by the general formula (19) is reacted in the presence of a base.
- X represents an oxygen atom or a sulfur atom
- X ′ represents a hydrogen atom, a halogen atom, or an alkyl group having 1 to 8 carbon atoms
- X 2 represents a hydrogen atom, a halogen atom, and 1 to 8 carbon atoms.
- X 3 represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 8 carbon atoms, ZR 3, a nitro group , Or NR 4 R 5 .
- X 2 and X 3 may be combined to form a group represented by -YCI R ⁇ C ⁇ OR 6- .
- Y and Z represent an oxygen atom or a sulfur atom
- R ′ represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
- R 2 represents an alkyl group or an aralkyl group having 1 to 6 carbon atoms
- R 3 is a hydrogen atom, an alkyl group having 1 to 11 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms, an alkenyl group having 3 to 12 carbon atoms, an alkynyl group having 3 to 12 carbon atoms, and having 1 to 8 carbon atoms.
- the present invention relates to a herbicide containing the hydantoin derivative represented by
- examples of the halogen atom represented by X 1 , X 2 , X 2 ′, X z ⁇ X 3 , X 3 ′, and X 4 include a fluorine atom, a chlorine atom, and a bromine atom. it can.
- Examples of the alkyl group having 1 to 8 carbon atoms represented by X ′, X 2 , X 2 ′, X 2 ′′, X 3 , and X 3 ′ include a methyl group, an ethyl group, a propyl group, an isopropyl group, and a butyl group. And isobutyl, t-butyl, pentyl, hexyl, octyl, etc.
- One or more of these alkyl groups may be substituted with a halogen atom or the like, and more specifically, Examples thereof include a trifluoromethyl group.
- Examples of the alkyl group having 1 to 4 carbon atoms represented by R 1 include a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an isobutyl group and the like.
- the alkyl group having 1 to 6 carbon atoms represented by R 2 illustrates a methyl group, E Ji group, a propyl group, an isopropyl group, a butyl group, Isopuchiru group, t-butyl group, hexyl group, etc. pentyl group to, be able to.
- Examples of the aralkyl group include a benzyl group, an ⁇ -phenethyl group, a ⁇ -ethyl group, a cumyl group, and a naphthylmethyl group.
- the above alkyl groups having 1 to 4 carbon atoms, polyhaloalkyl groups having 1 to 4 carbon atoms, halogen atoms, alkoxy groups having 1 to 4 carbon atoms, nitro groups, cyano groups and the like are substituted. It may have a group.
- the polyhaloalkyl group having 1 to 4 carbon atoms includes a difluoromethyl group, a trifluoromethyl group, a trifluoroethyl group, and a 4-chlorobutyl group.
- Examples thereof include a tyl group and the like, and examples of the alkoxy group having 1 to 4 carbon atoms include a methoxy group, an ethoxy group, a propoxy group, a butoxy group, and an isobutoxy group.
- Examples of the alkyl group having 1 to 11 carbon atoms represented by R 3 , R 3 ′, R 6 and R 6 ′ include a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an isobutyl group, a t-butyl group, Examples include a pentyl group, a hexyl group, an octyl group, and a decyl group. Further, one or more of these alkyl groups may be substituted with a halogen atom, an aryl group, an alkoxy group having 1 to 4 carbon atoms, a carboxyl group, an acyl group, or the like.
- a difluoromethyl group a 2,2 , 2-Trifluoroethyl, 2-chloroethyl, 3-chloropropyl, benzyl, ⁇ -phenethyl, S-phenethyl, cumyl, naphthylmethyl, carboxymethyl, acetylmethyl Group, reacetylethyl group, 3-acetylpropyl group, butanoylethyl group and the like.
- Examples of the cycloalkyl group having 3 to 8 carbon atoms represented by R 3 , R 3 ′, R 6 and R 6 ′ include a cyclopropyl group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, and the like. These cycloalkyl groups may be substituted with an alkyl group having 1 to 4 carbon atoms.
- Examples of the alkenyl group having 3 to 12 carbon atoms represented by R 3 , R 3 ′, R fc and R b ′ include a methallyl group, a 2-propenyl group, a 2-butenyl group, a 3-butenyl group and a 2- Examples thereof include a pentenyl group, a 3-pentenyl group, a 2-hexenyl group, a 3-hexenyl group, a 5-octenyl group, and an 8-decenyl group.
- Examples of the alkynyl group having 3 to 12 carbon atoms represented by R 3 , R 3 ′, R 6 and R 4 ′′ ′ include a propargyl group, a 1-methylpropargyl group, and a 1, dimethyl propyl group. Mouth pargyl, 2-butynyl, 3-butynyl, 2-pentynyl, 3-pentynyl, 3-octynyl, 5-decynyl and the like can be exemplified.
- R ⁇ R 3 ', R b and R 6' as the alkoxycarbonyl two Rumechiru group having 1 to 8 carbon atoms represented by, main butoxycarbonyl methyl group, Etokishikaru Bonirumechiru group, propoxycarbonyl methyl group, an isopropoxy carbonyl methyl group, Examples thereof include a butoxycarbonylmethyl group, a pentyloxycarbonylmethyl group, a hexyloxycarbonylmethyl group, and an octyloxycarbonylmethyl group.
- Examples of the alkoxycarbonyl group having 1 to 8 carbon atoms represented by R 3 , R 3 ′, R h and R fc ′ include a methoxycarbonyl group, an ethoxycarbonyl group, a propoxycarbonyl group, an isopropoxycarbonyl group, Examples thereof include a butoxycarbonyl group, a pentyloxycarbonyl group, a hexyloxycarbonyl group, and an octyloxycarbonyl group.
- Examples of the aralkyloxycarbonyl group having 7 to 11 carbon atoms represented by R 3 , R 3 ′, R 6 and R 6 ′ include a benzyloxycarbonyl group, a phenyloxycarbonyl group, a naphthylmethyloxycarbonyl group and the like. Can be exemplified. On these aryl groups, substituents such as the aforementioned alkyl groups having 1 to 4 carbon atoms, polyhaloalkyl groups having 1 to 4 carbon atoms, halogen atoms, alkoxy groups having 1 to 4 carbon atoms, nitro groups, cyano groups, etc. May be provided.
- Examples of the alkyl group having 1 to 6 carbon atoms represented by R 4 , R 4 ′, R 5 and R 5 ′ include -methyl group, ethyl group, propyl group, isopropyl group, butyl group, isobutyl group and t-butyl group. , A pentyl group, etc., and one or more of these alkyl groups are substituted with a halogen atom or the like. More specifically, examples thereof include a difluoromethyl group, a 2,2,2-trifluoroethyl group, and a 3-chloropropyl group.
- Examples of the acetyl group having 2 to 6 carbon atoms represented by R 4 , R 4 ′, Rs, and R 5 ′ include an acetyl group, a propionyl group, a butyryl group, an isobutyryl group, a pararyl group, an isovaleryl group, and the like. it can.
- R 4, R 4 and alkylsulfonyl group having 1 to 6 carbon atoms represented by ', R 5 and R 5', illustrated methanesulfonyl group, ethanesulfonyl group, Puropansu Ruhoniru group, a 2-propanesulfonyl group, etc. can do.
- One or more of these alkylsulfonyl groups may be substituted with a halogen atom or the like, and more specifically, a trifluoromethanesulfonyl group, a trichloromethanesulfonyl group and the like can be exemplified.
- the arylsulfonyl group represented by R ⁇ R 4 ′, R 5 and R 5 ′ is a halogen atom, an alkyl group having 1 to 4 carbon atoms, a polyhaloalkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms , A cyano group, a nitro group or the like, and more specifically, a toluenesulfonyl group, a bromobenzenesulfonyl group, a benzenesulfonyl group, a benzenesulfonyl group, a benzenesulfonyl group, a nitrobenzenesulfonyl group, a methoxybenzene. Examples thereof include a zensulfonyl group, a trifluoromethylbenzenesulfonyl group, and a trifluoromethoxybenzenesulfonyl group.
- Examples of the alkyl group having 1 to 6 carbon atoms represented by ⁇ include a methyl group, an ethyl group, a propyl group, a t-butyl group, a pentyl group, and a hexyl group.
- Examples of the alkyl group having 1 to 8 carbon atoms represented by R 8 include a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an isobutyl group, and a t- Examples thereof include a butyl group, a pentyl group, a hexyl group, and an octyl group.
- Examples of the aralkyl group having 7 to 11 carbon atoms include a benzyl group, an ⁇ -phenethyl group, a -phenethyl group, a cumyl group, and a naphthylmethyl group.
- substituents ⁇ those exemplified above for R 3 can and Ageruko.
- a - and, B - L and R 6 '- as the leaving group represented by Shino Y is a chlorine atom, odor atom, iodine atom, triflate Ruo b acetyl O alkoxy group, Metansuru Honiruokishi group, benzenesulfonyl O carboxymethyl Group, toluenesulfonyloxy group, trifluoromethanesulfonyloxy group and the like.
- the arylisocyanate derivative represented by the general formula (2) which is a compound of the present invention and is used for producing the hydantoin derivative represented by the general formula (1), is partially commercially available, Alternatively, it can be easily produced by reacting an aniline derivative with phosgene or a phosgene equivalent according to a conventional method.
- the corresponding aniline derivative can be produced, for example, by the method described in EP04 96347-A.
- the dehydropipecolic acid derivative represented by the general formula (3) is obtained by reacting the pipecolic acid derivative represented by the general formula (20) with an N-chlorinating agent, and then reacting with a base to remove hydrogen chloride. It can be manufactured by separating them.
- This reaction is preferably performed in an organic solvent, for example, benzene- Aromatic hydrocarbon solvents such as toluene and xylene, aliphatic hydrocarbon solvents such as hexane, pentane and heptane, and ether solvents such as getyl ether, tetrahydrofuran, dioxane, and 1,2-dimethoxyethane
- organic solvent for example, benzene- Aromatic hydrocarbon solvents such as toluene and xylene, aliphatic hydrocarbon solvents such as hexane, pentane and heptane, and ether solvents such as getyl ether, tetrahydrofuran, dioxane, and 1,2-dimethoxyethane
- a solvent for example, benzene- Aromatic hydrocarbon solvents such as toluene and xylene, aliphatic hydrocarbon solvents such as hexane, pentane and h
- N-chlorinating agent examples include butyl hypochlorite and the like.
- the usable base examples include triethylamine, tributylamine, N-methylmorpholine, pyridine, ⁇ , ⁇ dimethylaniline.
- Organic amines such as 1,5-diazabicyclo [5.4.0] -7-pandene, 1,4-diazabicyclo [2.2.2] octane, alkali metal bases such as sodium hydride and sodium amide, Metal alcoholates such as sodium methoxide and sodium ethoxide can be exemplified.
- the reaction temperature is selected from the range of -30 to 150, but it is preferable to carry out the reaction at a temperature of 0 to 100 in terms of good yield.
- the dehydropipecolic acid derivative represented by the general formula (3) is in an equilibrium state between a 1,2-dehydro mouth and a 2,3-dehydro-isomer. Included in the invention.
- the hydantoin derivative represented by the general formula (1) of the present invention can be produced, for example, by the methods shown in steps 1 to 8.
- Step 11 shows a method for producing a hydantoin derivative (4) by a cycloaddition reaction of an arylisocyanoate derivative or an arylisothiosinate derivative (2) with a dehydropipecolic acid derivative (3).
- This reaction is preferably performed in the presence of a base because the reaction rate is high and the yield is good, but it is not always necessary because the dehydropipecolic acid derivative itself is a base.
- a base examples include organic amines such as triethylamine, tributylamine, N-methylmorpholine, pyridine, N, N-dimethylaniline, potassium carbonate, sodium carbonate, and hydrogencarbonate.
- alkali metal bases such as sodium bicarbonate, sodium hydride, and sodium amide.
- the amount of the base used is not particularly limited, and is preferably 0.01 to 2.0 equivalents, and more preferably 0.1 to 2.0 equivalents to the reaction substrate. It is preferable to carry out the reaction using from 0.5 to 0.5 equivalent in terms of good yield.
- This cycloaddition reaction can be carried out without solvent, but any solvent which does not harm the reaction can be used. For example, benzene.
- Aromatic hydrocarbon solvents such as toluene, xylene, and benzene, aliphatic hydrocarbon solvents such as hexane, pentane, heptane, etc., ethyl ether, tetrahydrofuran, dioxane, 1,2-dimethyloxet Ether solvents such as tan, halogen solvents such as methylene chloride, chloroform, and carbon tetrachloride; ketones such as acetone and methyl ethyl ketone; nitriles such as acetonitrile and propionitol; Esters such as acid ethyl and propionethyl, amides such as ⁇ , ⁇ -dimethylformamide and ⁇ ⁇ ⁇ methylpyrrolidone, and a mixed solvent thereof can be exemplified.
- the reaction temperature is selected from the range of ⁇ 30 to 150 ° C., but the reaction is preferably performed at 0 to 100 ° C. in terms of a good yield.
- the desired product can be obtained by a normal extraction operation. If necessary, purification can be carried out by column chromatography.
- Steps 1 and 2 are performed on the 5-position of the phenyl ring of the hydantoin derivative (5) in which X 3 ′ is 0C00R 8 among the hydantoin derivatives (4) that can be produced by the method shown in Step 11
- the alkoxycarbonyloxy group is hydrolyzed to give a hydantoin derivative (6), which is then reacted with AL (7) under basic conditions to introduce a substituent A on the oxygen atom, thereby obtaining a hydantoin derivative.
- the method for producing the derivative (8) will be described.
- Acids include mineral acids such as hydrochloric acid, sulfuric acid, and phosphoric acid
- bases include inorganic bases such as hydroxide lime, sodium hydroxide, carbonate lime, sodium hydrogen carbonate, and lithium hydrogen carbonate, sodium methoxide, and sodium ethoxy.
- metal alcoholates such as metal.
- the amount of the acid or base used is not particularly limited, but it is preferable to use an equivalent or more with respect to the reaction substrate because the reaction rate is high and the yield is good.
- a solvent is used for the reaction, and any solvent can be used as long as it does not harm the reaction.
- examples include methanol, ethanol, propanol, butanol, toluene, benzene, tetrahydrofuran, Examples thereof include acetonitrile, dioxane, water, and a mixed solvent thereof.
- the reaction temperature is selected from the range of ⁇ 10 to 150 ° C., but it is preferable to carry out the reaction at room temperature to the reflux temperature of the reaction mixture.
- the desired product can be obtained by a usual isolation operation. If necessary, purification can be performed by column chromatography.
- the reaction of the hydantoin derivative (6) with A-L (7) must be performed in the presence of a base.
- the usable base include triethylamine, tributylamine, N-methylmorpholine, and the like.
- Organic amines such as pyridin, ⁇ , ⁇ ⁇ ⁇ ⁇ -dimethylaniline, and potassium metal carbonate, sodium carbonate, hydrogen carbonate, sodium hydrogen carbonate, sodium hydrogen hydride, sodium hydride, sodium amide, etc.
- the target product can be obtained in good yield, particularly by using potassium carbonate, sodium carbonate, or the like.
- the amount of the base used is not particularly limited, but it is preferable to use the base in an equivalent amount or more based on the reaction substrate in terms of good yield.
- the reaction is preferably performed in an organic solvent, and any solvent that does not harm the reaction can be used.
- organic solvent such as benzene, toluene, xylene, and benzene benzene.
- Ether solvents such as ter, tetrahydrofuran, dioxane, and 1,2-dimethoxetane; halogen solvents such as methylene chloride, chloroform, carbon tetrachloride; ketones such as acetone and methyl ethyl ketone; acetonitrile;
- examples include nitriles such as propionitol, esters such as ethyl acetate and propionethyl, amides such as ⁇ , ⁇ -dimethylformamide and ⁇ -methylpyrrolidone, and mixed solvents thereof.
- reaction proceeds even at room temperature, it is preferable to carry out the reaction under heating at about 50 to 150, since the reaction is completed in a short time by carrying out the heating and the desired product can be obtained in a high yield.
- the desired product can be obtained by the usual isolation procedure, but if necessary, it can be purified by column chromatography. it can.
- It hydantoin derivative conductor (9) The hydantoin derivative Q0) is reduced by reducing the 2-position group at the 5-position to an amino group, which is then reacted with ⁇ -Ldl) to induce hydantoin by introducing a substituent B onto the nitrogen atom.
- a method for manufacturing the conductor (12) will be described.
- a reduction reaction can be used for a reduction agent that does not harm other functional groups. Examples thereof include metal reducing agents such as reduced iron, zinc, and tin, etc.
- the reaction is preferably performed in an acetic acid solvent, but may be performed in a mixed solvent system with another solvent, for example, ethyl acetate.
- the reaction is preferably carried out at a reflux temperature of acetic acid selected from the range of room temperature to 150 ° C.
- the desired product can be obtained by a normal extraction operation. If necessary, the product can be purified by column chromatography.
- the reaction of the hydantoin derivative ao) with B-i) is preferably carried out in the presence of a base, since the reaction rate is high and the yield is good, but the hydantoin Derivative ⁇ ) is not always necessary because it is a base.
- the base examples include organic amines such as triethylamine, tributylamine, ⁇ -methylmorpholine, pyridine, ⁇ , ⁇ -dimethylaniline, carbon dioxide, sodium carbonate, and the like.
- alkali metal bases such as sodium bicarbonate, sodium bicarbonate, sodium hydride and sodium amide.
- the amount of the base used is not particularly limited, but it is preferable to use the base in an equivalent amount or more based on the reaction substrate in terms of good yield, and it is also possible to use the base in excess and use it as a solvent.
- This reaction can be carried out in an organic solvent, for example, aromatic hydrocarbon solvents such as benzene, toluene, xylene, and benzene benzene, dimethyl ether, tetrahydrofuran, dioxane, 1,2-dimethoxetane, etc.
- aromatic hydrocarbon solvents such as benzene, toluene, xylene, and benzene benzene, dimethyl ether, tetrahydrofuran, dioxane, 1,2-dimethoxetane, etc.
- Ether solvents methylene chloride, chloroform, halogen solvents such as carbon tetrachloride, ketones such as acetone and methyl ethyl ketone, nitriles such as acetate nitrile and propionitrile, ethyl acetate, Esters such as propionethyl, amides such as ⁇ , ⁇ -dimethylformamide and ⁇ -methylpyrrolidone, or a mixed solvent thereof can be exemplified.
- the reaction temperature is selected from the range of -10 to 150 ° C, but it is preferable to carry out the reaction at 0 ° C to the reflux temperature of the reaction mixture.
- the desired product can be obtained by a usual extraction operation. If necessary, the product can be purified by column chromatography.
- Step 1 is carried out by reacting the hydantoin derivative (13) with a glycolic acid derivative or a thioglycolic acid derivative (14). This is the step of manufacturing.
- RR 2 , X, X 1 , X 4 and Y represent the same meaning as described above.
- a base For example, organic amines such as triethylamine, tributylamine, m-methylmorpholine, pyridine, lutidine, carbon dioxide lime, sodium carbonate, sodium acetate, acetate lime, sodium hydride, sodium amide And the like.
- the use of sodium hydride, sodium amide, or the like enables the target product to be obtained in good yield.
- the amount of the base used is not particularly limited, but it is preferable to use the base in an equivalent amount or more based on the reaction substrate in terms of good yield.
- the reaction can be carried out without a solvent, but can be carried out in a usual organic solvent.
- organic solvent any solvent that does not harm the reaction can be used.
- benzene, toluene, benzene, ether, dimethyloxetane, dioxane, tetrahydrofuran, ⁇ , ⁇ -Dimethylformamide, or a mixed solvent thereof can be exemplified.
- the reaction temperature is selected from the range of -10 to 150 ° C, and after the reaction is completed, the target substance can be obtained by a normal extraction operation. It can also be purified by column chromatography or recrystallization.
- Step 17 is a step of producing the bicyclic hydantoin derivative (17) by selectively reducing the bicyclic hydantoin derivative (151 diamino group to an amino group).
- the formation process of the hydantoin derivative (17) is, as shown in the above formula, by the reduction of the ditro group of the hydantoin derivative (15) to an amino group. After generation, the intramolecular amidation reaction proceeds to give the hydantoin derivative (17). Since the cyclization reaction of the intermediate hydantoin derivative (16) to the hydantoin derivative (17) is very fast, the target compound can be obtained in one step without isolating the hydantoin derivative (16). Can be obtained.
- any reducing agent that does not harm the existing functional groups can be used.
- reducing agents such as reduced iron, zinc, and tin can be used.
- the reaction is preferably performed in an aliphatic carboxylic acid solvent such as acetic acid or propionic acid, but mixed with another solvent such as ethyl acetate. It can be carried out even in a mixed solvent.
- the reaction temperature is selected from the range of room temperature to 150 ° C, but it is preferable to carry out the reaction at the reflux temperature of the solvent used.
- the desired product can be obtained by ordinary isolation procedures. If necessary, purification can be performed by column chromatography or recrystallization.
- Step 18 is a step of producing a bicyclic hydantoin derivative (19) by introducing a substituent R 6 ′ onto the amide nitrogen atom of the bicyclic hydantoin derivative (17).
- R 6 ′, X, X 1 , Y, and L represent the same meaning as described above.
- a base examples include organic amines such as triethylamine, triptylamine, N-methylmorpholine, pyridine, lutidine, and alkali metal bases such as carbon dioxide, sodium carbonate, sodium hydride, and sodium amide.
- alkali metal bases such as carbon dioxide, sodium carbonate, sodium hydride, and sodium amide.
- the target substance can be obtained in good yield.
- the amount of the base used is not particularly limited, but the yield can be reduced by using an equivalent amount or more based on the reaction substrate. It is preferable in a good point.
- the reaction is preferably carried out in an organic solvent, and any solvent that does not harm the reaction can be used.
- aromatic hydrocarbon solvents such as benzene, toluene, xylene, and benzene benzene
- Ether solvents such as tetrahydrofuran, dioxane and 1,2-dimethoxetane
- ketones such as acetone and methylethyl ketone
- nitriles such as acetonitrile and propionitrile
- esters such as ethyl acetate and propionethyl
- amides such as N, N-dimethylformamide and N-methylpyrrolidone, or a mixed solvent thereof.
- the reaction temperature is selected from the range of ⁇ 10 to 150 ° C., but it is preferably carried out at 0 ° C. to the reflux temperature of the reaction mixture.
- a saturated aqueous ammonium chloride solution (20 mL) was added, the organic layer was separated, and the aqueous layer was extracted with ether (10 niL ⁇ 2) .
- the obtained organic layers were combined and washed with a saturated aqueous sodium chloride solution (40 mL).
- the crude product was obtained by filtering off the desiccant and concentrating the filtrate under reduced pressure to obtain a crude product, which was subjected to silica gel column chromatography ( ⁇ Ko-Igel C-200, ethyl acetate).
- 2,4-Dichloro-5-methoxycarbonyloxyphenylisocyanate (3.90 g, 15 ml) was added to a toluene (70 DIL) solution of ethyl propipecolate ethylate (2.33 g, 15 mol) under ice-cooling and stirring. ⁇ ⁇ ol) and triethylamine (1.05 mL, 7.5 olol) in toluene (30 mL) were added dropwise, and the mixture was stirred at 0 ° for 30 minutes, heated to room temperature for 17 hours, and further heated at 80 ° C for 5.5 hours.
- the aqueous layer was further extracted with ethyl acetate (20 mL x 2). This was washed with a saturated saline solution (100 mL), and dried over anhydrous magnesium sulfate. After filtering off the desiccant, the filtrate was concentrated under reduced pressure to obtain a crude product.
- Ethyl dehydrolopipecolic acid (0.37 g, 2.36 mmol) in toluene (0 to 15 mU at 4-chloro-2-fluoromethyl-5-methylpropargyloxyphenyl) isocyanate (0.60 g, 2.36 ⁇ and triethylamine) 0.16mL, 1.
- a solution of 18 dragonol) in toluene (5 mL) was added. After stirring at 0 ° C for 0.5 hour, the temperature was raised to room temperature and further heated at 80 for 14.5 hours.
- the product was purified by silica gel column chromatography (Co-gel C-200, ethyl acetate: hexane -1: 2) to give the desired product, 2- (4-ethoxycarbonyl).
- the aqueous layer was extracted with ethyl acetate (50 niL ⁇ 2)
- the obtained organic layers were combined, washed successively with a saturated aqueous solution of sodium bicarbonate (lOOmL octa-saturated saline (lOOraL), and dried over anhydrous magnesium sulfate.
- the compound of the present invention when used as a herbicide, it can be used as it is, but in general, one or several adjuvants can be mixed and used as a herbicide.
- various carriers, extenders, solvents, surfactants, stabilizers, etc. are blended and formulated in the usual manner, for example, into wettable powders, emulsions, powders, granules, flowables, etc. It is preferred to use.
- Examples of the solvent which is one of the auxiliary agents in the herbicide containing the compound of the present invention as an active ingredient include water, alcohols, ketones, ethers, aliphatic and aromatic hydrocarbons, halogenated hydrocarbons, Suitable are acid amides, esters, nitriles and the like, and one or a mixture of two or more of these are used.
- fillers examples include clays such as kaolin and bentonite; talcs such as talc and phyllite; mineral powders such as diatomaceous earth and oxides such as white carbon; and soybean powders; and plant powders such as CMC. Is used.
- a surfactant may be used as a spreading agent, a dispersant, an emulsifier, or a penetrant.
- the surfactant include a nonionic surfactant, a cationic surfactant, and an amphoteric surfactant. These surfactants are utilized as one type or a mixture of two or more types depending on the application.
- Preferable methods of using the herbicide containing the compound of the present invention as an active ingredient include soil treatment, water surface treatment, foliage treatment, and the like. Particularly superior effects are obtained by application from the time before germination of the control weeds to the time of germination.
- the herbicide containing the compound of the present invention as an active ingredient can be used for other active ingredients which do not inhibit the herbicidal activity of the present active ingredient, such as other herbicides, insecticides, fungicides, and plant growth. It is also possible to mix and use regulators etc. It is.
- Field soil was filled into a bat having an area of 10xl0 cm 2 and a depth of 5 cm, and seeds of linubie, mehishiba, aobu, shiroza and corn were sowed and covered with 0.5 cm of soil thereon.
- the wettable powder or emulsion of the compound of the present invention prepared according to the formulation example was diluted and uniformly spread on the covering soil so as to have a predetermined dose per are.
- the herbicidal effect on the test weeds and the phytotoxicity on corn A survey was conducted using the criteria, and the results are shown in Table 18-19.
- a field soil of 10 x 10 cni 2 and a depth of 5 cm is filled with field soil, and seeds of linubie, ichibi, aobu, shiroza and corn are sowed and grown for 15 days.
- the wettable powder or emulsion of the compound of the present invention prepared according to the formulation example was diluted, adjusted to a predetermined concentration, added with a developing agent, and sprayed with a water amount of 20 liters per kiloliter. 10 days after treatment: Herbicidal effect on test weeds and phytotoxicity on corn 1 Investigations were performed using up to five criteria, and the results are shown in Tables 20 and 21.
- the hydantoin derivative of the present invention has excellent herbicidal activity against a wide variety of weeds, and can be used as an effective active ingredient of a herbicide. These derivatives are easily produced by the production method of the present invention.
- the herbicide of the present invention can be used as an agricultural and horticultural herbicide for paddy fields or field effects.
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- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Plural Heterocyclic Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9510107A BR9510107A (pt) | 1994-12-27 | 1995-12-26 | Derivados de hidantoina processos para preparação dos mesmos e herbicidas contendo os referidos derivados como ingrediente ativo |
US08/836,154 US5883049A (en) | 1994-12-27 | 1995-12-26 | Hydantoin derivatives and herbicides containing said derivatives as active ingredient |
AU43157/96A AU692030B2 (en) | 1994-12-27 | 1995-12-26 | Hydantoin derivatives, process for producing the same and herbicides comprising the same as active ingredients |
EP95941888A EP0801068A4 (en) | 1994-12-27 | 1995-12-26 | HYDANTOIN DERIVATIVES, PROCESS FOR PRODUCING THE SAME, AND HERBICIDES INCLUDING THEM AS ACTIVE INGREDIENTS |
KR19977004461A KR987000980A (en) | 1994-12-27 | 1997-06-27 | Hydantoin derivatives, process for producing the same and herbicides comprising the same as active ingredients |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6/324536 | 1994-12-27 | ||
JP32453694 | 1994-12-27 | ||
JP7/122054 | 1995-05-22 | ||
JP12205495 | 1995-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996020195A1 true WO1996020195A1 (fr) | 1996-07-04 |
Family
ID=26459273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1995/002683 WO1996020195A1 (fr) | 1994-12-27 | 1995-12-26 | Derives d'hydantoine, procede de production et herbicides les incluant comme ingredients actifs |
Country Status (9)
Country | Link |
---|---|
US (1) | US5883049A (ja) |
EP (1) | EP0801068A4 (ja) |
JP (1) | JPH0940673A (ja) |
KR (2) | KR980700980A (ja) |
CN (1) | CN1175255A (ja) |
AU (1) | AU692030B2 (ja) |
BR (1) | BR9510107A (ja) |
CA (1) | CA2208263A1 (ja) |
WO (1) | WO1996020195A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997047626A1 (fr) * | 1996-06-14 | 1997-12-18 | Sagami Chemical Research Center | Derives d'hydantoine bicycliques, produits intermediaires destines a leur fabrication, procede de preparation de ces derives et herbicides les contenant en qualite d'ingredient actif |
WO1998037065A1 (en) * | 1997-02-19 | 1998-08-27 | E.I. Du Pont De Nemours And Company | N-arylsulfonamide- and pyrrolidinecarboxylic acid intermediates, and their use for the preparation of herbicidal 1,3-dioxo-1h-pyrrolo[1,2-c]imidazole derivatives |
KR100404965B1 (ko) * | 2000-08-29 | 2003-11-10 | (주) 리드제넥스 | 조합화학(combinatorial chemistry)에서 특징적으로 고체상과 고리화반응 단계에 트리에틸아민과 THF를 이용하여 신규 히덴토인 유도체의 합성법 |
WO2012041789A1 (en) | 2010-10-01 | 2012-04-05 | Basf Se | Herbicidal benzoxazinones |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2235146C (en) * | 1995-10-25 | 2004-12-14 | E.I. Du Pont De Nemours And Company | Herbicidal sulfonamides |
UA118035C2 (uk) * | 2013-10-07 | 2018-11-12 | Сінгента Партісіпейшнс Аг | Гербіцидні сполуки |
CA2931585A1 (en) | 2013-12-23 | 2015-07-02 | Syngenta Participations Ag | Dihydro-hydantoin derivatives with herbicidal activity |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4220465A (en) * | 1977-02-01 | 1980-09-02 | E. I. Du Pont De Nemours And Company | Imidazothiazine-1,3(2H)-diones |
US4179276A (en) * | 1977-02-01 | 1979-12-18 | E. I. Du Pont De Nemours And Company | Novel imidazothiazine-1,3 (2H)-diones |
DK156573C (da) * | 1981-06-16 | 1990-01-29 | Sumitomo Chemical Co | 2-(2-fluor-4-halogen-5-substitueret-phenyl)-hydantoinderivater, et herbicidt praeparat indeholdende disse, en fremgangsmaade til bekaempelse af ukrudt under anvendelse af disse samt anvendelse af disse som herbicid |
BR8606916A (pt) * | 1985-10-11 | 1987-11-03 | Sagami Chem Res | Derivados de oxazolidinadiona,processo para produzir os derivados,e herbicidas contendo os derivados |
US4804394A (en) * | 1986-09-09 | 1989-02-14 | Nihon Tokushu Noyaku Seizo K.K. | Benzoxazines and use as herbicides |
JP2860367B2 (ja) * | 1989-03-02 | 1999-02-24 | アグロ カネショウ株式会社 | 複素環化合物、その製造法及びそれを有効成分として含有する除草剤 |
GB9016476D0 (en) * | 1990-07-27 | 1990-09-12 | Sandoz Ltd | Improvements in or relating to organic compounds |
ATE142195T1 (de) * | 1991-01-22 | 1996-09-15 | Sagami Chem Res | Verfahren zur herstellung von fluorbenzolderivaten und verwandter verbindungen |
EP0635485B1 (en) * | 1992-03-25 | 1997-06-11 | Sagami Chemical Research Center | Tetrahydrophthalamide derivative, intermediate for producing the same, production of both, and herbicide containing the same as active ingredient |
-
1995
- 1995-12-26 JP JP7338383A patent/JPH0940673A/ja active Pending
- 1995-12-26 CA CA002208263A patent/CA2208263A1/en not_active Abandoned
- 1995-12-26 EP EP95941888A patent/EP0801068A4/en not_active Withdrawn
- 1995-12-26 KR KR1019970704461A patent/KR980700980A/ko not_active Application Discontinuation
- 1995-12-26 AU AU43157/96A patent/AU692030B2/en not_active Ceased
- 1995-12-26 US US08/836,154 patent/US5883049A/en not_active Expired - Fee Related
- 1995-12-26 BR BR9510107A patent/BR9510107A/pt not_active Application Discontinuation
- 1995-12-26 CN CN95197677A patent/CN1175255A/zh active Pending
- 1995-12-26 WO PCT/JP1995/002683 patent/WO1996020195A1/ja not_active Application Discontinuation
-
1997
- 1997-06-27 KR KR19977004461A patent/KR987000980A/ko unknown
Non-Patent Citations (1)
Title |
---|
NIOPAS I. PHARMAZIE, 1992, Vol. 47, No. 3, pages 189-191. * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997047626A1 (fr) * | 1996-06-14 | 1997-12-18 | Sagami Chemical Research Center | Derives d'hydantoine bicycliques, produits intermediaires destines a leur fabrication, procede de preparation de ces derives et herbicides les contenant en qualite d'ingredient actif |
WO1998037065A1 (en) * | 1997-02-19 | 1998-08-27 | E.I. Du Pont De Nemours And Company | N-arylsulfonamide- and pyrrolidinecarboxylic acid intermediates, and their use for the preparation of herbicidal 1,3-dioxo-1h-pyrrolo[1,2-c]imidazole derivatives |
US6384234B1 (en) * | 1997-02-19 | 2002-05-07 | Degussa Ag | N-arylsulfonamide- and pyrrolidinecarboxylic acid intermediates, and their use for the preparation of herbicidal 1,3-dioxo-1h-pyrrolo[1,2-c]imidazole derivatives |
US6664400B2 (en) | 1997-02-19 | 2003-12-16 | Degussa Ag | N-arylsulfonamide and pyrrolidinecarboxylic acid intermediates, and their use for the preparation of herbicidal 1,3-dioxo-1h-pyrrolo[1,2-c]imidazole derivatives |
KR100404965B1 (ko) * | 2000-08-29 | 2003-11-10 | (주) 리드제넥스 | 조합화학(combinatorial chemistry)에서 특징적으로 고체상과 고리화반응 단계에 트리에틸아민과 THF를 이용하여 신규 히덴토인 유도체의 합성법 |
WO2012041789A1 (en) | 2010-10-01 | 2012-04-05 | Basf Se | Herbicidal benzoxazinones |
Also Published As
Publication number | Publication date |
---|---|
CA2208263A1 (en) | 1996-07-04 |
JPH0940673A (ja) | 1997-02-10 |
CN1175255A (zh) | 1998-03-04 |
AU692030B2 (en) | 1998-05-28 |
BR9510107A (pt) | 1997-11-25 |
EP0801068A1 (en) | 1997-10-15 |
US5883049A (en) | 1999-03-16 |
AU4315796A (en) | 1996-07-19 |
KR980700980A (ko) | 1998-04-30 |
KR987000980A (en) | 1998-04-30 |
EP0801068A4 (en) | 2000-08-23 |
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