EP1527069A2 - Pyridines et pyrimidines substituees par 4-trifluoromethylpyrazolyle - Google Patents

Pyridines et pyrimidines substituees par 4-trifluoromethylpyrazolyle

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Publication number
EP1527069A2
EP1527069A2 EP03766160A EP03766160A EP1527069A2 EP 1527069 A2 EP1527069 A2 EP 1527069A2 EP 03766160 A EP03766160 A EP 03766160A EP 03766160 A EP03766160 A EP 03766160A EP 1527069 A2 EP1527069 A2 EP 1527069A2
Authority
EP
European Patent Office
Prior art keywords
halogen
alkyl
alkoxy
compounds
hydrogen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP03766160A
Other languages
German (de)
English (en)
Inventor
Michael Gerhard Hoffmann
Hendrik Helmke
Lothar Willms
Thomas Auler
Hermann Bieringer
Hubert Menne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer CropScience AG
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Bayer CropScience AG
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Filing date
Publication date
Application filed by Bayer CropScience AG filed Critical Bayer CropScience AG
Publication of EP1527069A2 publication Critical patent/EP1527069A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
    • C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
    • 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
    • A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
    • 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
    • C07D401/14—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 three or more hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing three or more hetero rings

Definitions

  • the invention relates to the technical field of herbicides, in particular that of herbicides from the group of heteroaryl pyrazoles for the selective control of weeds and grasses in crops of useful plants.
  • pyridines and pyrimidines which are substituted by azole radicals, such as pyrazolyl, imidazolyl and triazolyl, have herbicidal properties.
  • WO 99/28301 discloses pyridines and pyrimidines which carry an azole residue in the 2-position and an aromatic or heteroaromatic residue bonded via a carbon atom in the 6-position.
  • WO 98/40379 describes pyridines and pyrimidines which carry an azole radical in the 2-position and an aromatic or heteroaromatic radical which is bonded via an atom from the group consisting of oxygen, nitrogen and sulfur.
  • the azole residue in the 2-position can be substituted by various residues.
  • EP-A 1 101 764 describes herbicidally active pyridines which are substituted in the 2-position by 3-trifluoromethyl-1-pyrazolyl.
  • WO 03/016308 describes 2-heterocyclyl-4-thienyloxy-pyrimidines.
  • the object of the present invention is therefore to provide herbicidally active compounds having improved herbicidal properties compared to the compounds disclosed in the prior art.
  • A means a residue from group A6 to A15:
  • R 1 and R 2 independently of one another are hydrogen, halogen, cyano, isocyano, OH, COOR 10 , COR 10 , CH 2 OH, CH 2 SH, CH 2 NH 2 , NO 2 , (-C-C 4 ) alkyl, halogen - (CrC 4 ) alkyl, (C 3 -C 6 ) cycloalkyl, (-C-C 4 ) alkoxy, halogen- (-C-C 4 ) alkoxy, (CC 2 ) alkoxy- (C ⁇ -C 2 ) -alkyl, (C 2 -C 4 ) -alkenyl, (C 2 -C 4 ) -alkynyl, (C 3 -C 4 ) -alkenyloxy, (C 3 -C 4 ) -alkynyloxy, (dC ⁇ -alkylthio- Cd-C ⁇ -alkyl, S (O) n R 9
  • R 5 means halogen, cyano, (-C 4 ) alkyl, halogen (dC 4 ) alkyl, (C 4 ) alkoxy, halogen (C 4 ) alkoxy, halogen (dC 4th ) alkylthio, (C 3 -C 5 ) cycloalkyl, halogen (C 3 -C 5 ) cycloalkyl.
  • SF 5 S (O) n R 9 , (C 2 -C 4 ) alkenyl or (C 2 -C 4 ) alkynyl;
  • R 6 represents hydrogen, halogen, cyano, (CC 4 ) alkyl, halogen (dC 4 ) alkyl, (dC 4 ) alkoxy, halogen (C 1 -C 4 ) alkoxy or S (O) n R 9 ;
  • R 8 is hydrogen, halogen, cyano, (-CC 4 ) alkyl, (CC 4 ) -alkoxy, hydroxy, amino, (-C-C) alkylamino, (dC 3 ) -alkylcarbonylamino, (CrC 4 ) - alkylsulfonylamino , Di- (-C-C) alkylamino or S (O) n R 9 ;
  • R 9 represents hydrogen, (dC 4 ) alkyl or halo (CC 4 ) alkyl
  • R 10 represents hydrogen or (C 1 -C 4 ) alkyl
  • X represents oxygen or sulfur
  • n 0, 1 or 2.
  • alkyl, alkenyl and alkynyl radicals having more than two or three carbon atoms can be straight-chain or branched.
  • Alkyl radicals mean methyl, ethyl, n- or i-propyl, n-, i-, t- or 2-butyl.
  • alkenyl means ethenyl, 1-propenyl, 2-propenyl and the various butenyl isomers.
  • Alkynyl means ethynyl, 1-propynyl, 2-propynyl and the various butynyl isomers.
  • alkynyloxy represents HC ⁇ CCH 2 O, CH 3 C ⁇ CCH 2 O and CH 3 C ⁇ CCH 2 CH 2 O.
  • Cycloalkyl means cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl.
  • Halogen means fluorine, chlorine, bromine or iodine.
  • Haloalkyl means partially or completely substituted alkyl, for example CF 3 , CHF 2 , CH 2 F, CF 3 CF 2 , CH 2 FCHCI, CCI 3 , by halogen, preferably by fluorine, chlorine and / or bromine, in particular by fluorine or chlorine, CHCI 2 , CH 2 CH 2 CI;
  • Haloalkoxy is, for example, OCF 3 , OCHF 2 , OCH 2 F, CF 3 CF 2 O, OCH 2 CF 3 and OCH 2 CH 2 CI; The same applies to other halogen-substituted radicals.
  • the compounds of the formula (I) can be present as stereoisomers. For example, if a double bond is present, diastereomers can occur. If, for example, one or more asymmetric carbon atoms are present, enantiomers and diastereomers can occur.
  • Stereoisomers can be obtained from the mixtures obtained in the preparation by customary separation methods, e.g. obtained by chromatographic separation processes. Stereoisomers can also be produced selectively by using stereo-selective reactions using optically active starting materials and / or auxiliary substances.
  • the invention also relates to all stereoisomers and their mixtures which are encompassed by the general formula (I) but are not specifically defined.
  • N-oxides can be prepared according to methods known to those skilled in the art by reaction with oxidizing reagents such as peracids, hydrogen peroxide and sodium perborate. Such methods are described, for example, in TL Gilchrist, Comprehensive Organic Synthesis, Volume 7, pages 748 to 750, SV Ley, Ed., Pergamon Press.
  • Compounds of the formula (I) can in principle form salts by addition with a) acids such as hydrogen chloride, hydrogen bromide, nitric acid, phosphoric acid, sulfuric acid, acetic acid, oxalic acid, or b) bases such as pyridine, ammonia, triethylamine, sodium carbonate, potassium carbonate, sodium hydroxide, potassium hydroxide.
  • acids such as hydrogen chloride, hydrogen bromide, nitric acid, phosphoric acid, sulfuric acid, acetic acid, oxalic acid
  • bases such as pyridine, ammonia, triethylamine, sodium carbonate, potassium carbonate, sodium hydroxide, potassium hydroxide.
  • preferred embodiments of the compounds according to the invention always include the N-oxides and salts.
  • Preferred compounds of the general formula (I) are those in which R 1 is hydrogen, halogen, methoxy, methyl or ethyl, and
  • R 2 is hydrogen, methyl, ethyl, methoxy, ethoxy, cyano, ethynyl, vinyl or formyl, and the other substituents and indices each have the meanings given above.
  • R 8 represents hydrogen, halogen or (-CC 4 ) alkyl
  • R 5 is halogen, cyano, halogen (C 1 -C 4 ) alkyl, halogen (C 1 -C 4 ) alkoxy or halogen (CrC 4 ) alkylthio, and the other substituents and indices each have the meanings given above.
  • R 1 is hydrogen
  • R 2 is hydrogen, methyl or ethyl
  • R 3 is methyl or ethyl
  • R 4 is hydrogen
  • R 6 is hydrogen, and the other substituents and indices each have the meanings given above.
  • Pyrazoles of the formula (V) can be prepared according to methods known to those skilled in the art. The preparation of 4-trifluoromethyl pyrazole is described for example in THL, 37, 11, 1996 page 1829-1832.
  • the compounds of formula (I) according to the invention have excellent herbicidal activity against a broad spectrum of economically important mono- and dicotyledonous harmful plants.
  • Perennial weeds that are difficult to control and that sprout from rhizomes, rhizomes or other permanent organs are also well captured by the active ingredients. It is usually irrelevant whether the substances are applied by pre-sowing, pre-emergence or post-emergence.
  • Some representatives of the monocotyledonous and dicotyledonous weed flora can be mentioned in detail, which can be controlled by the compounds according to the invention without the name being intended to restrict them to certain species.
  • weed species for example, Avena, Lolium, Alopecurus, Phalaris, Echinochloa, Digitaria, Setaria and Cyperus species from the annual group and on the perennial species Agropyron, Cynodon, Imperata and Sorghum as well as perennial Cyperus species are well recorded.
  • the spectrum of activity extends to species such as Galium, Viola, Veronica, Lamium, Stellaria, Amaranthus, Sinapis, Ipomoea, Sida, Matricaria and Abutilon on the annual side as well as Convoivulus, Cirsium, Rumex and Artemisia for perennial weeds.
  • Harmful plants occurring in the rice under the specific culture conditions such as, for example, Echinochloa, Sagittaria, Alisma, Eleocharis, Scirpus and Cyperus, are also excellently combated by the active compounds according to the invention. If the compounds according to the invention are applied to the surface of the earth before germination, then either the weed seedlings do not emerge completely or the weeds grow up to the cotyledon stage, but then stop their growth and eventually die completely after three to four weeks.
  • the compounds according to the invention show an excellent action against Amaranthus retroflexus, Avena sp., Echinochloa sp., Cyperus serotinus, Lolium multiflorum, Setaria viridis, Sagittaria pygmaea, Scirpus juncoides, Sinapis sp. and Stellaria media.
  • the compounds of the invention have excellent herbicidal activity against monocotyledonous and dicotyledonous weeds, crop plants of economically important crops such as e.g. Wheat, barley, rye, rice, corn, sugar beet, cotton and soy are only slightly or not at all damaged. They are particularly well tolerated in wheat, corn, rice and soybeans. For these reasons, the present compounds are very suitable for the selective control of undesired plant growth in agricultural crops or in ornamental crops.
  • the active compounds can also be used to control harmful plants in crops of known or still to be developed genetically modified plants.
  • the transgenic plants are generally distinguished by special advantageous properties, for example resistance to certain pesticides, especially certain herbicides, resistance to plant diseases or pathogens of plant diseases such as certain insects or microorganisms such as fungi, bacteria or viruses.
  • Other special properties concern e.g. B. the crop in terms of quantity, quality, shelf life, composition and special ingredients.
  • Transgenic plants with an increased starch content or altered starch quality or with a different fatty acid composition of the crop are known.
  • Preferred is the use of the compounds of formula (I) according to the invention or their salts in economically important transgenic crops of useful and ornamental plants, for. B.
  • the compounds of the formula (I) can preferably be used as herbicides in crops which are resistant to the phytotoxic effects of the herbicides or have been rendered genetically resistant.
  • new plants which have modified properties in comparison to previously occurring plants are, for example, classic breeding methods and the generation of mutants.
  • new plants with modified properties can be produced using genetic engineering methods (see, for example, EP-A-0221044, EP-A-0131624).
  • genetic engineering modifications of crop plants have been described in order to modify the starch synthesized in the plants (e.g. WO 92/11376, WO 92/14827,
  • transgenic crop plants which act against certain herbicides of the glufosinate type (cf., for example, EP-A-0242236, EP-A-242246) or glyphosate
  • Bacillus thuringiensis toxins Bacillus thuringiensis toxins (Bt toxins) which make the plants resistant to certain pests (EP-A-0142924,
  • Plasmids are introduced which allow mutagenesis or a sequence change by recombining DNA sequences. With the help of the standard procedures mentioned above, e.g. B. base exchanges, partial sequences removed or natural or synthetic sequences added.
  • adapters or linkers can be attached to the fragments.
  • the production of plant cells with a reduced activity of a gene product can be achieved, for example, by the expression of at least one corresponding antisense RNA, a sense RNA to achieve a cosuppression effect or the expression of at least one appropriately constructed ribozyme which specifically cleaves transcripts of the above-mentioned gene product.
  • DNA molecules can be used that comprise the entire coding sequence of a gene product, including any flanking sequences that may be present, as well as DNA molecules that only comprise parts of the coding sequence, these parts having to be long enough to be in the cells to cause an antisense effect. It is also possible to use DNA sequences which encode a high degree of homology
  • the synthesized protein When nucleic acid molecules are expressed in plants, the synthesized protein can be located in any compartment of the plant cell. However, in order to achieve localization in a particular compartment, z. B. the coding region can be linked to DNA sequences that ensure localization in a particular compartment. Such sequences are Known to those skilled in the art (see, for example, Braun et al., EMBO J. 11 (1992), 3219-3227; Wolter et al., Proc. Natl. Acad. Sci. USA 85 (1988), 846-850; Sonnewald et al., Plant J. 1 (1991), 95-106).
  • the transgenic plant cells can be regenerated into whole plants using known techniques.
  • the transgenic plants can in principle be plants of any plant species, i.e. both monocot and dicot plants.
  • the active compounds according to the invention are used in transgenic crops, in addition to the effects on harmful plants which can be observed in other crops, there are often effects which are specific to the application in the respective transgenic culture, for example a changed or specifically expanded weed spectrum which can be controlled changed Amounts that can be used for the application, preferably good combinability with the herbicides to which the transgenic crop is resistant, and influencing the growth and yield of the transgenic crop plants.
  • the invention therefore also relates to the use of the compounds according to the invention as herbicides for controlling harmful plants in transgenic crop plants.
  • the substances according to the invention have excellent growth-regulating properties in crop plants. They intervene regulating the plant's own metabolism and can thus be used to influence plant constituents in a targeted manner and to facilitate harvesting, for example by triggering desiccation and stunted growth. Furthermore, they are also suitable for general control and inhibition of undesirable vegetative growth without killing the plants.
  • An inhibition of the Vegetative growth plays a major role in many monocotyledonous and dicotyledonous crops, as this can reduce or completely prevent storage.
  • the compounds according to the invention can be used in the form of wettable powders, emulsifiable concentrates, sprayable solutions, dusts or granules in the customary formulations.
  • the invention therefore also relates to herbicidal compositions which comprise compounds of the formula (I).
  • the compounds of formula (I) can be formulated in different ways, depending on which biological and / or chemical-physical parameters are specified.
  • Possible formulation options are, for example: wettable powder (SP), water-soluble powder (WP), water-soluble concentrates, emulsifiable concentrates (EC), emulsions (EW), such as oil-in-water and water-in-oil emulsions, sprayable solutions , Suspension concentrates (SC), dispersions based on oil or water, oil-miscible solutions, capsule suspensions (CS), dusts (DP), pickling agents, granules for spreading and soil application, granules (GR) in the form of micro, spray , Elevator and adsorption granules, water-dispersible granules (WG), water-soluble granules (SG), ULV formulations, microcapsules and waxes.
  • SP wettable powder
  • WP water-soluble powder
  • EC emulsifiable concentrates
  • EW emulsions
  • SC Suspension concentrates
  • SC dispersions based on oil or
  • Spray powders are preparations which are uniformly dispersible in water and which, in addition to the active substance, contain not only a diluent or an inert substance, but also ionic and / or nonionic surfactants (wetting agents, dispersing agents), e.g.
  • the herbicidal active ingredients are, for example, finely ground in customary apparatuses such as hammer mills, fan mills and air jet mills and are mixed simultaneously or subsequently with the formulation auxiliaries.
  • Emulsifiable concentrates are made by dissolving the active ingredient in an organic solvent e.g. Butanol, cyclohexanone, dimethylformamide, xylene or higher-boiling aromatics or hydrocarbons or mixtures of organic solvents with the addition of one or more surfactants of ionic and / or nonionic type (emulsifiers).
  • organic solvent e.g. Butanol, cyclohexanone, dimethylformamide, xylene or higher-boiling aromatics or hydrocarbons or mixtures of organic solvents
  • surfactants e.g., ionic and / or nonionic type
  • alkylarylsulfonic acid calcium salts such as Ca-dodecylbenzenesulfonate or nonionic emulsifiers such as fatty acid polyglycol esters, alkyl aryl polyglycol ethers, fatty alcohol polyglycol ethers, propylene oxide-ethylene oxide condensation products, alkyl polyethers, sorbitan esters such as e.g. Sorbitan fatty acid esters or polyoxethylene sorbitan esters such as e.g. Polyoxyethylene sorbitan fatty acid esters.
  • Dusts are obtained by grinding the active ingredient with finely divided solid substances, e.g. Talc, natural clays such as kaolin, bentonite and pyrophyllite, or diatomaceous earth.
  • finely divided solid substances e.g. Talc, natural clays such as kaolin, bentonite and pyrophyllite, or diatomaceous earth.
  • Suspension concentrates can be water or oil based. You can, for example, by wet grinding using commercially available pearl mills and optionally adding surfactants, such as those already listed above for the other types of formulation.
  • Emulsions e.g. Oil-in-water emulsions (EW) can, for example, by means of stirrers, colloid mills and / or static mixers using aqueous organic solvents and optionally surfactants, such as those e.g. already listed above for the other types of formulation.
  • EW Oil-in-water emulsions
  • Granules can either be produced by spraying the active ingredient onto adsorbable, granulated inert material or by applying
  • Active ingredient concentrates using adhesives e.g. Polyvinyl alcohol, sodium polyacrylic acid or mineral oils, on the surface of carriers such as sand, kaolinite or granulated inert material.
  • Suitable active ingredients can also be granulated in the manner customary for the production of fertilizer granules, if desired in a mixture with fertilizers.
  • Water-dispersible granules are generally produced using the customary methods, such as spray drying, fluidized bed granulation, plate granulation, mixing with high-speed mixers and extrusion without solid inert material.
  • the agrochemical preparations generally contain 0.1 to 99% by weight, in particular 0.1 to 95% by weight, of active ingredient of the formula (I).
  • active ingredient concentration for example, about 10 to 90 wt .-%, the rest of 100 wt .-% consists of conventional formulation components.
  • the active compound concentration can be about 1 to 90, preferably 5 to 80,% by weight.
  • Dust-like formulations contain 1 to 30% by weight of active ingredient, preferably mostly 5 to 20% by weight of active ingredient, sprayable solutions contain about 0.05 to 80, preferably 2 to 50% by weight of active ingredient.
  • the active ingredient content depends in part on whether the active compound is in liquid or solid form and which granulating aids, fillers, etc. are used.
  • the active ingredient content of the water-dispersible granules is, for example, between 1 and 95% by weight, preferably between 10 and 80% by weight.
  • the active ingredient formulations mentioned may contain the customary adhesives, wetting agents, dispersants, emulsifiers, penetrants, preservatives, antifreeze agents and solvents, fillers, carriers and dyes, defoamers,
  • combinations with other pesticidally active substances e.g. Manufacture insecticides, acaricides, herbicides, fungicides, as well as with safeners, fertilizers and / or growth regulators, e.g. in the form of a finished formulation or as a tank mix.
  • pesticidally active substances e.g. Manufacture insecticides, acaricides, herbicides, fungicides, as well as with safeners, fertilizers and / or growth regulators, e.g. in the form of a finished formulation or as a tank mix.
  • Known herbicides which can be combined with the compounds of the formula (I) are, for example, the following active substances (note: the compounds are either with the "common name” according to the International Organization for Standardization (ISO) or with the chemical name , possibly labeled with a usual code number): acetochlor; acifluorfen; aclonifen; AKH 7088, ie [[[1- [5- [2-chloro-4- (trifluoromethyl) phenoxy] -2-nitrophenyl] -2-methoxyethylidene] amino] oxy] acetic acid and methyl acetate; alachlor; alloxydim; ametryn; amidosulfuron; amitrol; AMS, ie ammonium sulfamate; anilofos; asulam; atrazine; azimsulfurone (DPX-A8947); aziprotryn; barban; BAS 516 H, ie 5-fluoro-2
  • N, N-di-2-propenylacetamide; CDEC i.e. Diethyldithiocarbamic acid 2-chlorallylester; chlomethoxyfen; chloramben; chlorazifop-butyl, chloromesulone (ICI-A0051); chlorbromuron; chlorbufam; chlorfenac; chlorflurecol-methyl; chloridazon; chlorimuron ethyl; chlornitrofen; chlorotoluron; chloroxuron; chlorpropham; chlorsulfuron; chlorthal-dimethyl; chlorthiamid; cinmethylin; cinosulfuron; clethodim; clodinafop and its ester derivatives (e.g.
  • clodinafop-propargyl clomazone
  • clomeprop cloproxydim
  • clopyralid cumyluron
  • JC 940 cumyluron
  • cyanazine cyanazine
  • cycloate cyclosulfamuron
  • AC 104 cycloxydim
  • cycluron cycluron; cyhalofop and its
  • Ester derivatives e.g. butyl ester, DEH-112; cyperquat; cyprazine; cyprazole; daimuron; 2,4-DB; dalapon; desmedipham; Desmetryn; di-allate; dicamba; dichlobenil; dichloroprop; diclofop and its esters such as diclofop-methyl; diethatyl; difenoxuron; difenzoquat; diflufenican; dimefuron; dimethachlor; dimethametryn; dimethenamid
  • SAN-582H dimethazone, clomazone; dimethipin; dimetrasulfuron, dinitramine; dinoseb; dinoterb; diphenamid; dipropetryn; diquat; dithiopyr; diuron; DNOC; eglinazine-ethyl; EL 77, ie 5-cyano-1- (1, 1-dimethylethyl) -N-methyl-1H-pyrazole-4-carboxamide; endothal; EPTC; esprocarb; ethalfluralin; ethametsulfuron-methyl; Ethidimuron; ethiozin; ethofumesate; F5231, ie N- [2-chloro-4-fluoro-5- [4- (3-fluoropropyl) -4,5-dihydro-5-oxo-1H-tetrazol-1-yl] phenyl] ethanesulfonamide; eth
  • esters; haloxyfop-P ( R-haloxyfop) and its esters; hexazinone; imazapyr; imazamethabenz-methyl; imazaquin and salts such as the ammonium salt; ioxynil; imazethamethapyr; imazethapyr; imazosulfuron; isocarbamid; isopropalin; isoproturon; isouron; isoxaben; isoxapyrifop; karbutilate; lactofen; lenacil; linuron; MCPA; MCPB; mecoprop; mefenacet; mefluidide; metamitron; metazachlor; metham; methabenzthiazuron; methazole; methoxyphenone; methyldymron; metabenzuron, methobenzuron; metobromuron; metolachlor; metosulam (XRD 511); metoxuron; me
  • S 275 i.e. 2- [4-chloro-2-fluoro-5- (2-propynyloxy) phenyl] -4,5,6,7-tetrahydro-2H-indazole; secbumeton; sethoxydim; siduron; simazine; simetryn; SN 106279, i.e.
  • the formulations available in commercial form are usually diluted in e.g. for wettable powders, emulsifiable concentrates, dispersions and water-dispersible granules using water. Preparations in the form of dust, ground granules or granules as well as sprayable solutions are usually no longer diluted with other inert substances before use.
  • the required application rate of the compounds of formula (I) varies. It can fluctuate within wide limits, e.g. between 0.001 and 1.0 kg / ha or more of active substance, but is preferably between 0.005 and 750 g / ha.
  • a dusting agent is obtained by mixing 10 parts by weight of a compound of the general formula (I) and 90 parts by weight of talc as an inert substance and comminuting them in a hammer mill.
  • a wettable powder which is readily dispersible in water is obtained by mixing 25 parts by weight of a compound of the general formula (I), 64 parts by weight of kaolin-containing quartz as an inert substance, 10 parts by weight of potassium lignosulfonate and 1 part by weight of sodium oleoylmethyl taurine as a wetting and dispersing agent grinds in a pin mill.
  • a water-dispersible dispersion concentrate is obtained by mixing 20 parts by weight of a compound of general formula (I), 6 parts by weight
  • Isotridecanol polyglycol ether (8 EO) and 71 parts by weight of paraffinic mineral oil (boiling range e.g. approx. 255 to above 277 ° C) are mixed and ground in a attritor to a fineness of less than 5 microns.
  • An emulsifiable concentrate is obtained from 15 parts by weight of a compound of the general formula (I), 75 parts by weight of cyclohexanone as solvent and 10 parts by weight of oxyethylated nonylphenol as emulsifier.
  • a water-dispersible granulate is obtained by mixing 75 parts by weight of a compound of the general formula (I), 10 "calcium lignosulfonic acid,
  • a water-dispersible granulate is also obtained by
  • the compound according to the invention of example No. 1.22 shows at least 80% activity against Amaranthus retroflexus, Avena fatua, at a dosage of 20 g of active substance per hectare. Agropyrons repens, Alopecurus myosuroides, Digitaria sanguinalis, Galium aparine, Lolium multiflorum, Setaria viridis, Sorghum halepense and Veronica persica. At the same dosage, this compound according to the invention does not cause damage to the crop plants Oryza sativa (rice) and Zea mays (maize).
  • Example No. 1.22 shows an at least 90% activity against Chenopodium album, Digitaria sanguinalis, Matricaria inodora, Pharbitis purpureum and Veronica persica.

Abstract

La présente invention concerne des pyridines et des pyrimidines substituées par 4-trifluorométhylpyrazolyle de formule (I) et leur utilisation en tant qu'herbicides. Dans la formule générale (I), R<1>, R<2>, R<3> et R<4> sont différents radicaux, A est un radical aromatique ou hétéroaromatique, et Z est un atome d'azote ou de carbone.
EP03766160A 2002-07-25 2003-07-14 Pyridines et pyrimidines substituees par 4-trifluoromethylpyrazolyle Withdrawn EP1527069A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10234875 2002-07-25
DE10234875A DE10234875A1 (de) 2002-07-25 2002-07-25 4-Trifluormethylpyrazolyl substituierte Pyridine und Pyrimidine
PCT/EP2003/007573 WO2004013131A2 (fr) 2002-07-25 2003-07-14 Pyridines et pyrimidines substituees par 4-trifluoromethylpyrazolyle

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TW200403235A (en) 2004-03-01
WO2004013131A2 (fr) 2004-02-12
HRP20050073A2 (en) 2006-03-31
CN1671702A (zh) 2005-09-21
UA79135C2 (en) 2007-05-25
US7211673B2 (en) 2007-05-01
PL375390A1 (en) 2005-11-28
RS20050029A (en) 2007-09-21
MY131916A (en) 2007-09-28
AU2003250942A1 (en) 2004-02-23
US20060122063A1 (en) 2006-06-08
TWI269797B (en) 2007-01-01
RU2005105575A (ru) 2005-10-10
AR040668A1 (es) 2005-04-13
MXPA05000953A (es) 2005-05-16
DE10234875A1 (de) 2004-02-05
WO2004013131A3 (fr) 2004-05-06
CA2494593A1 (fr) 2004-02-12
JP2006504662A (ja) 2006-02-09
BR0312926A (pt) 2005-07-12
US20040072692A1 (en) 2004-04-15
US7022650B2 (en) 2006-04-04

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