Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
  • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
  • C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
• • 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
  • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
  • A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
  • A01P3/00—Fungicides

Definitions

• the present invention relates to a fluorine-containing pyrimidine compound, a harmful fungal control agent, and a method for producing a fluorine-containing pyrimidine compound.
• fluorine-containing pyrimidine compounds have various biological activities.
• compounds having a pyridine ring at the 2-position of the pyrimidine ring and a trifluoromethyl group at the 5-position are expected to be used in the fields of medicine and agricultural chemicals.
• Patent Documents 1 and 6 report that 2-(4-pyridyl)-5-trifluoromethylpyrimidine derivatives have human melanin-concentrating hormone inhibitory activity and acetyl CoA carboxylase 2 inhibitory activity.
• Patent Documents 2, 4, 5 and 7 2-(3-pyridyl)-5-trifluoromethylpyrimidine derivatives have fungicidal activity, insecticidal activity, orexin receptor inhibitory activity, focal adhesion kinase inhibitory activity and acetyl CoA carboxylase 2 inhibitory activity.
• Patent Documents 2 and 3 report that 2-(2-pyridyl)-5-trifluoromethylpyrimidine derivatives have fungicidal, insecticidal and herbicidal activities.
• Patent Document 8 reports that pyridylpyrimidine derivatives having various substituents exhibit preventive or therapeutic control effects against many plant diseases such as rice blast, wheat eye spot, and apple scab. It is
• fluorine-containing pyrimidine compound having a fluorine-containing substituent at the 5-position of the pyrimidine ring, a heterocyclic substituent at the 2-position, and further substituents at the 4- and 6-positions in terms of reactivity and selectivity
• fluorine-containing pyrimidine compound has not been previously reported.
• the fluorinated pyrimidine compounds may have useful biological activities.
• the present invention provides a novel fluorine-containing pyrimidine compound and a method for producing the same.
• W and X are each independently a hydrogen atom, a halogen atom, a hydrocarbon group having 1 to 10 carbon atoms, -C m F 2m+1 (m is an integer of 1 to 10), a nitro group, -OA 1 , -SO l A 1 (l is an integer from 1 to 3), -SA 1 , -NA 1 A 2 , -B(OA 1 )(OA 2 ), -COA 1 , -COOA 1 or -CONA 1 A represents 2 , Y represents a halogen atom or —OA 3 ; Z is a halogen atom, a hydrocarbon group having 1 to 10 carbon atoms, -C m F 2m+1 (m is an integer of 1 to 10), a nitro group, -OA 1 , -SO l A 1 (l is 1 to is an integer of 3), representing -SA 1 or -NA 1 A 2 , A 1 and A 2 each independently
• a harmful fungi control agent comprising the fluorine-containing pyrimidine compound or a salt thereof according to [1] above as an active ingredient.
• a harmful fungi control agent comprising the fluorine-containing pyrimidine compound or a salt thereof according to [1] above as an active ingredient.
• a method for producing a fluorine-containing pyrimidine compound [4] (d) by reacting an aryl halide represented by the following general formula (8) or a derivative thereof with a fluorine-containing pyrimidine compound represented by the following general formula (9) to obtain a compound represented by the following general formula (1) ) to obtain a fluorine-containing pyrimidine compound represented by
• a novel fluorine-containing pyrimidine compound and a method for producing the same can be provided.
• fluorine-containing pyrimidine compound The fluorine-containing pyrimidine compound of the present invention is represented by the following general formula (1), (2) or (3).
• W and X are each independently a hydrogen atom, a halogen atom, a hydrocarbon group having 1 to 10 carbon atoms, -C m F 2m+1 (m is an integer of 1 to 10), a nitro group, -OA 1 , -SO l A 1 (l is an integer from 1 to 3), -SA 1 , -NA 1 A 2 , -B(OA 1 )(OA 2 ), -COA 1 , -COOA 1 or -CONA 1 A represents 2 , Y represents a halogen atom or —OA 3 ; Z is a halogen atom, a hydrocarbon group having 1 to 10 carbon atoms, -C m F 2m+1 (m is an integer of 1 to 10), a nitro group, -OA 1 , -SO l A 1 (l is 1 to is an integer of 3), representing -SA 1 or -NA 1 A 2 , A 1 and A 2 each independently
• the halogen atom is F, Cl, Br or I, preferably F or Cl.
• a 3 represents a hydrocarbon group having 1 to 12 carbon atoms.
• a 3 is not particularly limited as long as it is a hydrocarbon group having 1 to 12 carbon atoms and consisting of carbon atoms and hydrogen atoms, and may be a chain hydrocarbon group, an aromatic hydrocarbon group, an alicyclic hydrocarbon group, or the like. mentioned.
• the chain hydrocarbon group is not particularly limited as long as the total number of carbon atoms is 1 to 12, and may be a straight chain hydrocarbon group or a branched chain hydrocarbon group.
• the aromatic hydrocarbon group is not particularly limited as long as the total number of carbon atoms is 6 to 12, and may be a substituted aromatic hydrocarbon group or an unsubstituted aromatic hydrocarbon group. good too.
• the aromatic hydrocarbon group may have a condensed polycyclic structure.
• the alicyclic hydrocarbon group is not particularly limited as long as the total number of carbon atoms is 3 to 12, and may be a substituted alicyclic hydrocarbon group or an unsubstituted alicyclic hydrocarbon group. may be Moreover, the alicyclic hydrocarbon group may have a bridged ring structure.
• Examples of chain hydrocarbon groups represented by A3 include methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, s-butyl group, t-butyl group, pentyl group, hexyl group, Alkyl groups such as heptyl group, octyl group, nonyl group, decyl group, undecyl group, dodecyl group; ethenyl group, propenyl group, butenyl group, pentenyl group, hexenyl group, heptenyl group, octenyl group, nonenyl group, decenyl group, undecenyl alkenyl groups such as group, dodecenyl group; alkynyl groups such as ethynyl group, propynyl group, butynyl group, pentynyl group, hexy
• the aromatic hydrocarbon group represented by A3 includes a phenyl group, a benzyl group, a tolyl group, a naphthyl group and the like.
• the tolyl group may be o-tolyl group, m-tolyl group or p-tolyl group, preferably p-tolyl group.
• the alicyclic hydrocarbon group represented by A3 includes saturated or unsaturated cyclic hydrocarbon groups.
• Examples of cyclic hydrocarbon groups include cyclopropyl, cyclobutyl, cyclohexyl, cyclopentyl, adamantyl and norbornyl groups.
• W and X are preferably a hydrogen atom, a halogen atom or a hydrocarbon group having 1 to 10 carbon atoms, more preferably a hydrogen atom. W and X may be the same or different. It is particularly preferred that both W and X are hydrogen atoms.
• Z is preferably a halogen atom, a hydrocarbon group having 1 to 10 carbon atoms, -C m F 2m+1 (m is an integer of 1 to 10) or a nitro group.
• the total number of carbon atoms of the hydrocarbon groups of the plurality of Z's may be 5 or more.
• n is an integer of 1-3.
• the halogen atom is F, Cl, Br or I, preferably F or Cl.
• the hydrocarbon group having 1 to 10 carbon atoms is not particularly limited as long as it is a hydrocarbon group having 1 to 10 carbon atoms and consisting of a carbon atom and a hydrogen atom .
• C 1-10 hydrocarbon groups are mentioned among the hydrocarbon groups mentioned in .
• —C m F 2m+1 is not particularly limited as long as it is a perfluoroalkyl group consisting of carbon atoms and fluorine atoms.
• —C m F 2m+1 may be linear or branched.
• m is an integer of 1-10, preferably an integer of 1-3.
• a 1 and A 2 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms.
• a 1 and A 2 may be the same or different.
• Examples of the hydrocarbon group having 1 to 10 carbon atoms include the hydrocarbon groups having 1 to 10 carbon atoms among the hydrocarbon groups mentioned in the explanation of A 3 above.
• l is an integer of 1 to 3, preferably 1;
• the harmful fungi control agent of the present invention contains the fluorine-containing pyrimidine compound or salt thereof of the present invention as an active ingredient.
• the harmful fungal control agent of the present invention may contain one or more of the fluorine-containing pyrimidine compounds or salts thereof.
• the harmful fungi control agent of the present invention contains the salt of the fluorine-containing pyrimidine compound of the present invention
• examples of the salt of the fluorine-containing pyrimidine compound of the present invention include hydrochloride, hydrobromide, acetate and sulfate. is mentioned.
• the harmful fungal control agent of the present invention is suitable for various cultivations such as wheat, rye, barley, oats, rice, corn, pasture grass, banana, cotton, soybean, coffee trees, sugar cane, vines, fruit trees and foliage plants. It is particularly suitable for controlling plants; vegetables such as cucumbers, beans, tomatoes, potatoes and gourds; and numerous fungi on the seeds of these plants.
• the harmful fungal control agent of the present invention is particularly suitable for controlling the following plant diseases caused by harmful fungi: rice blast (Primularia oryzae), sesame leaf blight (Cochliobolus miyabeanus), sheath blight (Rizoctonia solani) and the like; Wheat's udon disease (ERYSIPHE GRAMINIS), Gibberberella Zeae, (red) rust disease (red) rust disease (red) rust disease (red), p.RECONDITA, p.RECONDITA, P.RECONDITA, P.RECONDITA, P.RECONDITA, P.HORDEI) Diseases (Typhula SP., Micronectruela nivalis), Naked smut (Ustilago tritici, U.
• nicotianae Phyllotic tina citricarpa
• canker disease Xanthomonas citri
• Monilia mali of apples Valsa mali, powdery mildew (Podosphaera leucotricha), leaf spot (Alternaria mali), scab (Venturia inaequalis), black spot (Mycospherella pomi), anthracnose ( Colletotrichum acutatum), ring spot (Botryosphaeria berengeriana), red star disease (Gymnosporangium yamadae), ash star disease (Monililinia fructicola), etc.; pear scab (Venturia nashicola, V.
• bean anthracnose Cold-totrichum lindemthianum
• Peanut black stain Cercospora personata
• brown spot Cercospora arachidicola
• pea powdery mildew Edrysiphe pisi
• Potato summer blight Alternaria solani), late blight (Phytophthora infestans), leaf rot fungus (Rhizoctonia solani), etc.
• Tobacco red star Alternaria longipes
• powdery mildew Erysiphe cichoracearum
• anthracnose Colletotrichum tabacum
• downy mildew Peronospora tabacina
• late blight Phytophthora nicotianae
• the harmful fungal control agent of the present invention is effective against fungi and molds that cause plant diseases such as tomato late blight, wheat red rust, cucumber powdery mildew, cucumber and kidney bean gray mold, and kidney bean leaf rot. It is particularly suitable for control.
• the fluorine-containing pyrimidine compound or salt thereof of the present invention may be used as it is in a pure form without adding other ingredients.
• Forms that can be taken i.e. solid formulations such as granules, powders, formulations for widespread application or dispersible products; wettable powders, emulsions, aqueous solutions, solutions, pastes, oil dispersions, dispersion formulations, emulsion formulations, They may be used in the form of liquid formulations such as oils, aerosols, sprays or flowable formulations.
• the form of application depends on the specific purpose, but in each case, it is preferred that the fluorine-containing pyrimidine compound or salt thereof of the present invention is finely and uniformly dispersed.
• the harmful fungi control agent of the present invention can be prepared by a known method.
• it can be prepared by applying the fluorine-containing pyrimidine compound of the present invention or a salt thereof in a solvent and/or onto a solid carrier, using auxiliary agents such as emulsifiers and dispersants as necessary.
• solvents examples include water, aromatic solvents (e.g., toluene, xylene, etc.), paraffins (e.g., mineral oil fractions, etc.), alcohols (e.g., methanol, butanol, pentanol, benzyl alcohol, etc.), ketones (e.g., , cyclohexanone, ⁇ -butyl lactone, etc.), pyrrolidones (eg, NMP, NOP, etc.), acetates (eg, glycol diacetate, etc.), glycols, fatty acid dimethylamides, fatty acids, and fatty acid esters. A mixture of two or more solvents may be used.
• aromatic solvents e.g., toluene, xylene, etc.
• paraffins e.g., mineral oil fractions, etc.
• alcohols e.g., methanol, butanol, pentanol, benzyl alcohol, etc
• Solid carriers include mineral earths (e.g. silica gel, silicate, talc, kaolin, attaclay, limestone, lime, chalk, bolus, ocher, clay, dolomide, diatomaceous earth, calcium sulfate, magnesium sulfate, oxide magnesium), pulverized synthetic materials, fertilizers (e.g. ammonium sulfate, ammonium phosphate, ammonium nitrate or urea), products of plant origin (e.g. flour, bark flour, wood flour, nut flour, etc.), cellulose powder, etc. mentioned.
• mineral earths e.g. silica gel, silicate, talc, kaolin, attaclay, limestone, lime, chalk, bolus, ocher, clay, dolomide, diatomaceous earth, calcium sulfate, magnesium sulfate, oxide magnesium
• fertilizers e.g. ammonium sulfate, ammonium phosphate, ammonium nitrate
• Emulsifiers include nonionic or anionic emulsifiers (eg, polyoxyethylene fatty alcohol ethers, alkylsulfonates or arylsulfonates).
• Dispersants include lignosulfite waste liquor, methylcellulose, and the like.
• the harmful fungi control agent of the present invention may contain a surfactant.
• Suitable surfactants include lignosulfonic acids, naphthalenesulfonic acids, phenolsulfonic acids, dibutylnaphthalenesulfonic acids, alkylarylsulfonic acids, alkylsulfonic acids, alkylsulfonic acids, fatty alcohol sulfates, fatty acids, and sulfated fatty alcohol glycol ethers.
• the fungal control agent of the present invention is a directly sprayable solution, emulsion, paste, oil dispersion, etc.
• the fungal control agent of the present invention is a medium to high boiling point mineral oil fraction (e.g., kerosene or diesel oil). oil); coal tar oil; oils of vegetable or animal origin; butanol, cyclohexanol, cyclohexanone, isophorone; or strongly polar solvents such as dimethylsulfoxide, N-methylpyrrolidone or water.
• the harmful fungi-controlling agent of the present invention is a powder, a broad-spreading agent, or a dustable product
• the harmful fungi-controlling agent of the present invention is obtained by mixing the fluorine-containing pyrimidine compound of the present invention or a salt thereof with the solid carrier. Alternatively, it can be produced by pulverizing at the same time as the solid carrier.
• the harmful fungal control agent of the present invention is a granule such as coated granules, impregnated granules or homogeneous granules
• the harmful fungal control agent of the present invention is or a salt thereof to the solid support.
• the content of the fluorine-containing pyrimidine compound or salt thereof of the present invention in the agent for controlling harmful fungi of the present invention varies depending on the formulation form, application method and other conditions.
• the harmful fungi control agent of the present invention may contain only the fluorine-containing pyrimidine compound or its salt of the present invention depending on the case.
• the content of the fluorine-containing pyrimidine compound or salt thereof of the present invention in the harmful fungi control agent of the present invention is usually 0.2 to 95% by mass, preferably 0.5 to 70% by mass.
• the harmful fungi control agent of the present invention has an excellent control effect when sprayed on foliage, and is applied at a concentration of, for example, 10 to 4000 ppm.
• the amount of active ingredient is usually 10 to 300 mg, preferably 15 to 200 mg, per 1 m 2 . be done.
• the active ingredient is usually used in an amount of 2 to 200 mg, preferably 5 to 100 mg, per 1 m 2 .
• the amount of active ingredient when used as a powder, is usually 15 to 120 mg per 1 m 2 , when used as a granule, the amount of active ingredient is usually 30 to 240 mg per 1 m 2 , and when used as an emulsion, the amount of active ingredient is usually 30 to 240 mg per 1 m 2 . 40-250 mg is usually used. However, in special cases, the above range may be, and sometimes must be, below.
• Dispersion Formulation The fluorine-containing pyrimidine compound of the present invention or a salt thereof is dissolved in cyclohexanone to which a dispersant (for example, polyvinylpyrrolidone etc.) is added. Dilution with water gives a dispersion formulation.
• a dispersant for example, polyvinylpyrrolidone etc.
• Emulsion The fluorine-containing pyrimidine compound of the present invention or a salt thereof is dissolved in xylene to which calcium dodecylbenzenesulfonate and castor oil ethoxylate are added. Dilution with water gives an emulsion.
• Emulsion formulation The fluorine-containing pyrimidine compound or its salt of the present invention is dissolved in xylene to which calcium dodecylbenzenesulfonate and castor oil ethoxylate are added. This mixture is introduced into water using an emulsifier to form a homogeneous emulsion. Dilution with water gives an emulsion.
• a fine suspension of the active compound is prepared by adding a dispersant or wetting agent and water or an organic solvent to the fluorine-containing pyrimidine compound or its salt of the present invention and finely pulverizing it in a ball mill under stirring. can get. Dilution with water gives a stable suspension.
• Water granules and water granules A dispersant and a wetting agent are added to the fluorine-containing pyrimidine compound or its salt of the present invention, pulverized, and a dedicated device (eg, extruder, spray tower, fluidized bed, etc.) is used to make water-granules or water-soluble granules. Dilution with water gives a stable dispersion or solution.
• a dedicated device eg, extruder, spray tower, fluidized bed, etc.
• the fluorine-containing pyrimidine compound or its salt of the present invention is pulverized and thoroughly mixed with finely pulverized kaolin. This gives a dusty product.
• the fluorine-containing pyrimidine compound or salt thereof of the present invention is pulverized and combined with a carrier. At this time, an extrusion method, a spray drying method, or a fluidized bed method can be used. This gives granules to be applied undiluted.
• the harmful fungi control agent of the present invention can be used by spraying, spraying, dusting, wide-area spraying, watering, and the like.
• the form at that time one can be selected from the forms described above in accordance with the purpose. In any case, it is preferable to ensure that the fluorine-containing pyrimidine compound or salt thereof of the present invention is used in the form of being dispersed as finely as possible.
• Aqueous application forms can be prepared by adding water to emulsion concentrates, pastes or wettable powders (for example, dusting powders, oily dispersants).
• Emulsions, pastes or wettable powders are prepared by homogenizing the fluorine-containing pyrimidine compound of the present invention or its salt using a wetting agent, a tackifier, a dispersant or an emulsifier, as it is or by dissolving it in an oil or solvent.
• a concentrate comprising the fluorine-containing pyrimidine compound of the present invention or a salt thereof, a wetting agent, a tackifier, a dispersant or an emulsifier, and optionally a solvent or oil can be prepared, and such concentrate can be prepared with water. Suitable for dilution.
• the concentration of the fluorine-containing pyrimidine compound or its salt of the present invention can be set within a relatively wide range, but generally 0.0001 to 10 mass. %, preferably 0.01 to 1% by mass.
• oils, wetting agents, adjuvants, etc. may be added to the harmful fungi control agent of the present invention immediately before use (tank mix). These can be added, for example, in an amount of 0.1 to 10 parts by mass per 1 part by mass of the harmful fungi control agent of the present invention.
• the harmful fungi control agent of the present invention is sufficiently effective even when used alone in the form of application as a harmful fungi control agent.
• other agents such as herbicides, insecticides, attractants, growth regulators, disease control agents (such as fungicides), fertilizers, etc. can also be present together.
• the harmful fungal control agent of the present invention comprises the fluorine-containing pyrimidine compound of the present invention or a salt thereof, and at least one herbicide, insecticide, attractant, growth regulator, disease control agent (fungicide, etc.), fertilizer. It may be used in combination with other agents such as In particular, the fluorine-containing pyrimidine compound or salt thereof of the present invention tends to broaden the spectrum of fungicidal activity when combined with other fungicides.
• Copper disease control agents such as basic copper chloride, cupric hydroxide, basic copper sulfate, anhydrous copper sulfate, oxine copper, copper nonylphenolsulfonate, DEBDC, and quicklime;
• Inorganic agents such as sulfur, polysulfide lime, zinc sulfate, sodium hydrogen carbonate, potassium hydrogen carbonate, sodium hypochlorite;
• organic sulfur agents such as zineb, maneb, manzeb, ambam, polycarbamate, organic sulfur nickel salt, propineb, ziram, thiuram, thiadiazine; organophosphorous agents such as IBP, EDDP, tolclofos-methyl, fosetyl; melanin synthesis inhibitors such as fthalide, tricyclazole, pyroquilone, carpropamide, diclocimet, phenoxanyl; benzimidazoles such as benomyl, thiophanate-methyl, thiazendazole;
• soil disease control agents such as fursulfamide, hydroxyisoxazole, eclomezole, dazomet, chloroneb, metasulfocarb, methylisothiocyanate, DD, methyl bromide, chloropicrin, carbam;
• Insecticides pest and tick control agents: cyanophos, fenthion, fenitrothion, diclofenthion, pyrimiphos-methyl, diazinon, quinalphos, isoxathion, pyridafenthion, chlorpyrifos-methyl, chlorpyrifos, vamidothion, malathion, phenthoate, dimethoate, thiomethone, disulfotone, fosarone, methidathione, prothiophos, sulprophos, profenophos, pyraclophos, dichlorvos, monocro organophosphorus pest control agents such as tophos, naled, tetrachlorbinphos, dimethylvinphos, chlorfenvinphos, propafos, acephate, isofenphos, trichlorfon, EPN, ethion; carbamate pest control agents such as carbaryl, iso
• Attractant Insect pheromone attractants such as litrua, beet aamilua, diamolua, peach flua, tetradecenyl acetate, tautrilua, pirimarua, oriflua, cherirua, bullwella, loucalua, fisilua, inmeranolua, sakimeranolua, sweetbirua, fallwelua; other attractants such as pinene oil, methyl eugenol, protein hydrolysate, ceulua, methyl phenyl acetate; rodenticides such as monofluoroacetate, coumateroralyl, warfarin, chlorophacinone, diphacinone, zinc phosphide, thallium sulfate; lime nitrogen, etc.
• Insect pheromone attractants such as litrua, beet aamilua, diamolua
• Herbicide phenoxy herbicides such as 2,4-PA, MCPA, MCPB, MCPP, triclopyr, clomeprop, naproanilide, fenoxaprop-ethyl, cyhalopop-butyl, fluazipop, quizalop-ethyl; carbamate herbicides such as IPC, fenmedifam, desmedifam, bentiocarb, orthovencarb, esprocarb, molinate, dimepiperate, piributicarb; acid amide herbicides such as DCPA, alachlor, pretilachlor, metolachlor, butachlor, dimethenamide, thenylchlor, bromobutide, etobenzanide, diflufenican, mefenacet, napropamide, caffenstrol, propyzamide, isoxaben, and ashram; urea-based herbicides such as DCMU, Linuron, Siduron
• the above-mentioned other agents are preferably added in an amount that allows each agent to sufficiently exhibit the desired effect, although it depends on the type thereof and the type of the harmful fungi control agent of the present invention used in combination.
• the above other agents are added in an amount of, for example, 0.1 to 1000% by mass, preferably 0.5 to 500% by mass, based on the mass of the harmful fungi control agent.
• Method for producing fluorine-containing pyrimidine compound include the following methods (a) to (f).
• the fluorine-containing pyrimidine compounds represented by the general formulas (5) to (7) are represented by the following reaction formulas, the fluoroisobutylene derivatives represented by the following general formula (12) or the following general formula (13). and amidine derivatives represented by the following general formulas (14) to (16).
• the reaction temperature during the reaction is preferably 0 to 100°C, more preferably 5 to 50°C, and even more preferably 10 to 20°C. Further, the reaction time is preferably 0.5 to 48 hours, more preferably 1 to 36 hours, even more preferably 2 to 12 hours.
• W, X, Y and X 1 are as defined above, Z 1 is a halogen atom, -OA 1 , -SO p A 1 (p is an integer of 0 to 3), or -NA 1 A 2 , and A 1 and A 2 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms.
• the fluorine-containing pyrimidine compounds represented by the general formulas (9) to (11) are pyrimidines of the fluorine-containing pyrimidine compounds represented by the general formulas (5) to (7), respectively, as shown in the reaction formulas below. It can be obtained by replacing the halogen atom (X 1 ) located at the 6-position of the ring with an amino group (--NH 2 ) by reaction with ammonia as a nucleophile.
• the reaction temperature for the reaction is preferably 20 to 150° C., and the reaction time is preferably 1 to 24 hours.
• a base such as triethylamine may also be used as a reaction aid.
• organic solvents examples include ethers such as tetrahydrofuran, diethyl ether, dioxane, monoglyme, diglyme, triglyme, and tetraglyme; aromatics such as benzene, toluene, and xylene. group hydrocarbons; nitriles such as acetonitrile; aprotic polar solvents such as dimethylformamide, dimethylacetamide, methylpyrrolidone, dimethylethyleneurea, tetramethylurea, dimethylsulfoxide and sulfolane;
• ethers such as tetrahydrofuran, diethyl ether, dioxane, monoglyme, diglyme, triglyme, and tetraglyme
• aromatics such as benzene, toluene, and xylene. group hydrocarbons
• nitriles such as acetonitrile
• Examples of basic substances that can be used in the above methods (a) to (f) include alkali metals such as sodium hydroxide, potassium hydroxide, calcium hydroxide, lithium hydroxide, magnesium hydroxide and barium hydroxide. /alkaline earth metal hydroxides; alkali metal/alkaline earth metal carbonates such as sodium carbonate, potassium carbonate, sodium hydrogen carbonate, potassium hydrogen carbonate; metal hydrides such as sodium hydride, potassium hydride, calcium hydride tertiary amines such as trimethylamine, triethylamine, diisopropylethylamine, diazabicycloundecene, and N,N-dimethylaniline;
• the reaction temperature in the above methods (a) to (f) is preferably -20°C or higher and lower than the boiling point of the organic solvent, more preferably 25 to 100°C, and even more preferably 80 to 90°C.
• the reaction time in the above methods (a) to (f) is preferably 0.5 to 48 hours, more preferably 1 to 36 hours, even more preferably 20 to 25 hours.
• Example 1 ⁇ Production of 6-methoxy-N-phenyl-2-(2-pyridyl)-5-(trifluoromethyl)-4-pyrimidinamine> 0.5 g (1.8 mmol) of 6-fluoro-4-methoxy-2-(2-pyridyl)-5-trifluoromethylpyrimidine was dissolved in 6 ml of acetonitrile, 0.2 g (2.4 mmol) of aniline and 0.2 g of triethylamine. 4 g (4.1 mmol) was added, and the mixture was heated under reflux and stirred for 22.3 hours.
• Example 2 ⁇ Production of 6-methoxy-N-(3-methylphenyl)-2-(2-pyridyl)-5-(trifluoromethyl)-4-pyrimidinamine> Dissolve 0.5 g (1.8 mmol) of 6-fluoro-4-methoxy-2-(2-pyridyl)-5-trifluoromethylpyrimidine in 6 ml of acetonitrile, add 0.2 g (2.2 mmol) of m-toluidine and triethylamine. 0.4 g (4.1 mmol) was added, and the mixture was heated under reflux and stirred for 19.5 hours.
• Example 30 ⁇ Production of 6-methoxy-N-(4-methylphenyl)-2-(3-methyl-2-pyridyl)-5-(trifluoromethyl)-4-pyrimidinamine> 0.02 g (0.2 mmol) of p-toluidine was dissolved in 1.0 ml of DMF, 0.02 g (0.4 mmol) of sodium hydride was added, stirred at room temperature for 30 minutes, cooled to 0°C, and added to 2.0 ml of DMF. 0.05 g of dissolved crude 4-fluoro-6-methoxy-2-(3-methyl-2-pyridyl)-5-trifluoromethylpyrimidine was added and stirred at room temperature for 17.1 hours.
• Control value ⁇ (Average diseased area in untreated area - Average diseased area in treated area)/Average diseased area in untreated area ⁇ x 100
• Control value ⁇ (untreated mycelia diameter - treated mycelia diameter) / untreated mycelia diameter ⁇ ⁇ 100
• the fluorine-containing pyrimidine compound of the present invention exhibits a sterilizing effect against pathogens of cucumber powdery mildew and gray mold, and is effective as a compound exhibiting biological activity, particularly as an agent for controlling harmful fungi.
• the fluorine-containing pyrimidine compound of the present invention can be suitably used as an active ingredient of a harmful fungal control agent mainly in the agricultural field.

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