EP2137159A1 - 4-(3-aminobenzoyl)-1-éthylpyrazoles et leur utilisation comme herbicides - Google Patents

4-(3-aminobenzoyl)-1-éthylpyrazoles et leur utilisation comme herbicides

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Publication number
EP2137159A1
EP2137159A1 EP08734918A EP08734918A EP2137159A1 EP 2137159 A1 EP2137159 A1 EP 2137159A1 EP 08734918 A EP08734918 A EP 08734918A EP 08734918 A EP08734918 A EP 08734918A EP 2137159 A1 EP2137159 A1 EP 2137159A1
Authority
EP
European Patent Office
Prior art keywords
alkyl
alkoxy
methyl
ethyl
methylsulfonyl
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Withdrawn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
EP08734918A
Other languages
German (de)
English (en)
Inventor
Ines Heinemann
Andreas Van Almsick
Lothar Willms
Monika Schmitt
Jan Dittgen
Martin Jeffrey Hills
Heinz Kehne
Christopher Hugh Rosinger
Dieter Feucht
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 Intellectual Property GmbH
Original Assignee
Bayer CropScience AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayer CropScience AG filed Critical Bayer CropScience AG
Priority to EP08734918A priority Critical patent/EP2137159A1/fr
Publication of EP2137159A1 publication Critical patent/EP2137159A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D231/18—One oxygen or sulfur atom
    • C07D231/20—One oxygen atom attached in position 3 or 5
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P13/00—Drugs for disorders of the urinary system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Definitions

  • the invention relates to the technical field of herbicides, in particular that of
  • R 1 is hydrogen, (C 1 -C 6 ) -alkyl or (C 1 -C 4 ) -alkoxy (C 1 -C 6 ) -alkyl,
  • R 2 represents (d-C ⁇ J alkyl, (C 2 -C 6) alkenyl, (C 2 -C 6) -alkynyl, (C r C4) alkoxy (Ci- C6) alkyl, di- (C 1 -C 4) alkoxy (Ci-C 6) alkyl, (CRC4) alkoxy (C 1 -C 4) alkoxy (C 1 -C 6) - alkyl, (C 3 -C 6 ) -Cycloalkyl or (C 3 -C 6 ) -cycloalkyl- (dC 6 ) -alkyl;
  • Y is hydrogen, (C 1 -C 6 ) -alkylsulfonyl, (C 1 -C 4 -alkoxy- (C 1 -C 6 ) -alkylsulfonyl, or in each case by m identical or different radicals from the group consisting of halogen, (C 1 -C 4 ) - Alkyl and (C 1 -C 4 ) -alkoxy-substituted phenylsulfonyl, thiophenyl-2-sulfonyl, benzoyl, (C 1 -C 4 ) -alkylbenzoyl- (C 1 -C 6 ) -alkyl or benzyl, m is 0, 1, 2 or 3,
  • the compounds of the general formula (I) contain an acidic proton which can be removed by reaction with a base.
  • bases are, for example, hydrides, hydroxides and carbonates of lithium, sodium, potassium, magnesium and calcium and ammonia and organic amines such as triethylamine and pyridine.
  • salts can be formed by addition of organic acids, such as formic or acetic acid, and inorganic acids, such as phosphoric, hydrochloric or sulfuric acid. Such salts are also the subject of the invention.
  • alkyl radicals having more than two carbon atoms may be straight-chain or branched.
  • Alkyl radicals are, for example, methyl, ethyl, n- or i-propyl, n-, i-, t- or 2-butyl, pentyls, hexyls, such as n-hexyl, i-hexyl and 1,3-dimethylbutyl.
  • Halogen is fluorine, chlorine, bromine or iodine.
  • Tosyl is 4-methylphenylsulfonyl. If a group is repeatedly substituted by radicals, it is to be understood that this group is substituted by one or more identical or different radicals.
  • the compounds of the general formula (I) can exist as stereoisomers. For example, if one or more asymmetric carbon atoms are present, enantiomers and diastereomers may occur.
  • Stereoisomers can be obtained from the mixtures obtained in the preparation by customary separation methods, for example by chromatographic separation methods.
  • stereoisomers can be selectively prepared by using stereoselective reactions using optically active sources and / or adjuvants.
  • the invention also relates to all stereoisomers and mixtures thereof which include but are not specifically defined by the general formula (I).
  • R 2 is (CrC 4) alkyl, (C 1 -C 4) alkoxy- (C 1 -C 4) alkyl, di (C 1 -C 2) alkoxy (C r C4) alkyl , (CrC 4) alkoxy- (C r C 4) alkoxy (Ci-C 4) alkyl, (C 3 -C 6) -cycloalkyl or (C 3 - C 6) cycloalkyl (C r C 2 ) -alkyl;
  • Y is hydrogen, (C r C 3) alkylsulfonyl, (C r C 2) alkoxy- (Ci-C4) - alkylsulfonyl, or in each case substituted by m methyl groups, phenylsulfonyl, thiophenyl-2-sulfonyl, benzoyl, (Ci- C 4 ) -alkylbenzoyl- (C 1 -C 6 ) -alkyl or benzyl,
  • m 0 or 1.
  • R 1 is hydrogen or (C 1 -C 4 ) -alkyl
  • R 2 is (Ci-C 4) -alkyl, (C r C4) alkoxy (CrC 4) alkyl, di (CrC 2) -alkoxy- (Cr C4) alkyl, (CrC 4) - alkoxy (Ci-C 4) alkoxy (Ci-C 4) alkyl, (C 3 -C 6) -cycloalkyl or (C 3 - C e) -cycloalkyl- (C 1 -C 2) alkyl;
  • Y is hydrogen
  • the starting compounds used in the above schemes are either commercially available or can be prepared by methods known per se.
  • the pyrazolones of the formula (II) can be prepared according to the methods described in EP-A 0 240 001 and J. Prakt. Chem. 315. 382, (1973) and the benzoyl chlorides of the formula (III) are prepared by the processes described in EP-A 0 527 036, WO 98/42678 and JP 11292849.
  • the compounds of the formula (b) according to the invention have excellent herbicidal activity against a broad spectrum of economically important monocotyledonous and dicotyledonous harmful plants. Also difficult to control perennial weeds that expel from rhizomes, rhizomes or other permanent organs well detected by the active ingredients. It is usually irrelevant whether the substances are applied in the pre-sowing, pre-emergence or postemergence process. Specifically, by way of example, some representatives of the monocotyledonous and dicotyledonous weed flora can be mentioned, which can be controlled by the compounds according to the invention, without the intention of limiting them to certain species.
  • Harmful plants occurring under the specific culture conditions in rice such as Echinochloa, Sagittaria, Alisma, Eleocharis, Scirpus and Cyperus are also excellently controlled 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 emergence of the weed seedlings is completely prevented or the weeds grow up to the cotyledon stage, but then cease their growth and finally die off completely after a lapse of three to four weeks. at
  • the compounds according to the invention show an outstanding activity against Apera spica venti, Chenopodium album, Lamium purpureum, Polygonum convulvulus, Stellaria media, Veronica hederifolia, Veronica persica and Viola tricolor.
  • the compounds of the invention have excellent herbicidal activity against mono- and dicotyledonous weeds
  • Crops of economically important crops such as wheat, barley, rye, rice, corn, sugar beet, cotton and soy only insignificant or not at all damaged.
  • they have excellent compatibility in cereals, such as wheat, barley and maize, especially wheat.
  • the present compounds are very well suited for the selective control of undesired plant growth in agricultural crops or in ornamental plantings.
  • the active compounds can also be used for controlling harmful plants in crops of known or yet to be developed genetically modified plants.
  • the transgenic plants are usually characterized by particular advantageous properties, for example, by resistance to certain pesticides, especially certain herbicides, resistance to plant diseases or pathogens such as certain plant diseases
  • Insects or microorganisms such as fungi, bacteria or viruses.
  • Other special properties relate to z. B. the crop in terms of quantity, quality, shelf life, composition and special ingredients.
  • transgenic plants with increased starch content or altered quality of the starch or those with other fatty acid composition of the crop are known.
  • the compounds of the formula (I) can be used as herbicides in crop plants which are resistant to the phytotoxic effects of the herbicides or have been made genetically resistant.
  • new plants with altered properties can be generated by genetic engineering techniques (see, eg, EP-A-0221044, EP-A-0131624).
  • transgenic crop plants which have been mentioned against certain glufosinate-type herbicides have been described in several cases (see, for example, EP-A-0242236, EP-A-242246) or glyphosate (WO 92/00377) or the sulfonylureas (EP-A-0257993, US-A-5013659), transgenic crop plants, for example Cotton capable of producing Bacillus thuringiensis toxins (Bt toxins) which render the plants resistant to certain pests (EP-A-0142924, EP-A-0193259). Transgenic crop plants with modified fatty acid composition (WO 91/13972).
  • nucleic acid molecules can be introduced into plasmids that allow mutagenesis or sequence alteration by recombination of DNA sequences.
  • z For example, base substitutions are made, partial sequences are removed, or natural or synthetic sequences are added.
  • adapters or linkers can be attached to the fragments.
  • the production of plant cells having 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 obtain a cosuppression effect or the expression of at least one appropriately engineered ribozyme which specifically cleaves transcripts of the above gene product.
  • DNA molecules may be used which comprise the entire coding sequence of a gene product, including any flanking sequences that may be present, as well as DNA molecules which comprise only parts of the coding sequence, which parts must be long enough to be present in the cells to cause an antisense effect. It is also possible to use DNA sequences which have a high degree of homology to the coding sequences of a gene product, but are not completely identical.
  • the synthesized protein may be located in any compartment of the plant cell. But to achieve the localization in a particular compartment, z.
  • the coding region can be linked to DNA sequences that ensure localization in a particular compartment.
  • 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., U.S.A. 85 (1988), 846-850; Sonnewald et al., Plant J. 1 (1991), 95-106).
  • the transgenic plant cells can be regenerated to whole plants by known techniques.
  • the transgenic plants may in principle be plants of any plant species, ie both monocotyledonous and dicotyledonous plants.
  • the active compounds according to the invention in addition to the effects observed in other crops on harmful plants, effects which are specific for the application in the respective transgenic crop often occur, for example a modified or specially extended weed spectrum which can be controlled Application rates that can be used for the application, preferably good combinability with the herbicides to which the transgenic culture is resistant, and influencing growth and yield of the transgenic crops.
  • 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-regulatory properties in crop plants. They regulate the plant's metabolism and can thus be used to specifically influence plant constituents and facilitate harvesting, such as be used by triggering desiccation and stunted growth. Furthermore, they are also suitable for the general control and inhibition of undesirable vegetative growth, without killing the plants. Inhibition of vegetative growth plays an important role in many monocotyledonous and dicotyledonous cultures, as storage can be reduced or completely prevented.
  • 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 provides herbicidal compositions which contain compounds of the formula (I).
  • the compounds of the formula (I) can be formulated in various ways, depending on which biological and / or chemical-physical parameters are provided. Possible formulation options are, for example: wettable powder (WP), water-soluble powders (SP), water-soluble concentrates, emulsifiable concentrates (EC), emulsions (EW), such as oil-in-water and water-in-oil emulsions, sprayable solutions .
  • WP wettable powder
  • SP water-soluble powders
  • EC emulsifiable concentrates
  • EW emulsions
  • oil-in-water and water-in-oil emulsions such as oil-in-water and water-in-oil emulsions, sprayable solutions .
  • SC Suspension concentrates
  • CS capsule suspensions
  • DP dusts
  • mordants granules for litter and soil application
  • granules granules (GR) in the form of micro-, spray-, Elevator and adsorption granules
  • WG water-dispersible granules
  • SG water-soluble granules
  • ULV formulations microcapsules and waxes.
  • Injectable powders are preparations which are uniformly dispersible in water and contain surfactants of the ionic and / or nonionic type (wetting agents, dispersants), eg polyoxyethylated alkylphenols, polyoxethylated fatty alcohols, polyoxethylated fatty amines, fatty alcohol polyglycol ether sulfates, alkanesulfonates, alkylbenzenesulfonates in addition to the active ingredient except a diluent or inert substance.
  • surfactants of the ionic and / or nonionic type (wetting agents, dispersants), eg polyoxyethylated alkylphenols, polyoxethylated fatty alcohols, polyoxethylated fatty amines, fatty alcohol polyglycol ether sulfates, alkanesulfonates, alkylbenzenesulfonates in addition to the active ingredient except
  • the herbicidally active compounds are finely ground, for example, in customary apparatus such as hammer mills, blower mills and air jet mills and mixed simultaneously or subsequently with the formulation auxiliaries.
  • Emulsifiable concentrates are prepared by dissolving the active ingredient in an organic solvent such as butanol, cyclohexanone, dimethylformamide, xylene or else higher-boiling aromatics or hydrocarbons or mixtures of organic solvents with the addition of one or more ionic and / or nonionic surfactants (emulsifiers).
  • organic solvent such as butanol, cyclohexanone, dimethylformamide, xylene or else higher-boiling aromatics or hydrocarbons or mixtures of organic solvents.
  • alkylarylsulfonic acid calcium salts such as calcium dodecylbenzenesulfonate or nonionic emulsifiers
  • fatty acid polyglycol esters alkylaryl polyglycol ethers, fatty alcohol polyglycol ethers, propylene oxide / ethylene oxide condensation products, alkyl polyethers, sorbitan esters such as
  • Sorbitan fatty acid esters or polyoxethylenesorbitan esters such as e.g. Polyoxyethylene sorbitan fatty acid ester.
  • Dusts are obtained by milling the active ingredient with finely divided solids, e.g. Talc, natural clays such as kaolin, bentonite and pyrophyllite, or diatomaceous earth.
  • finely divided solids e.g. Talc, natural clays such as kaolin, bentonite and pyrophyllite, or diatomaceous earth.
  • Suspension concentrates may be water or oil based. They can be prepared, for example, by wet grinding using commercially available bead mills and, if appropriate, addition of surfactants, as described, for example, in US Pat. are already listed above for the other formulation types.
  • Emulsions e.g. Oil-in-water emulsions (EW) can be prepared, for example, by means of stirrers, colloid mills and / or static mixers using aqueous organic solvents and optionally surfactants, as described e.g. listed above for the other formulation types.
  • EW Oil-in-water emulsions
  • Granules can either be prepared by spraying the active ingredient onto adsorptive, granulated inert material or by applying active substance concentrates by means of adhesives, for example polyvinyl alcohol, sodium polyacrylate or mineral oils, to the surface of carriers such as sand, kaolinites or granulated inert material. Also, suitable active ingredients can be used in the usual for the production of fertilizer granules - if desired, mixed with fertilizers - granulated.
  • adhesives for example polyvinyl alcohol, sodium polyacrylate or mineral oils
  • Water-dispersible granules are generally prepared by the usual 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 from 0.1 to 99% by weight, in particular from 0.1 to 95% by weight, of active compound of the formula (I).
  • the active ingredient concentration is for example about 10 to 90 wt .-%, the remainder to 100 wt .-% consists of conventional formulation components.
  • the active ingredient concentration may be about 1 to 90, preferably 5 to 80 wt .-%.
  • Dusty formulations contain 1 to 30 wt .-% of active ingredient, preferably usually 5 to 20 wt .-% of active ingredient, sprayable solutions contain about 0.05 to 80, preferably 2 to 50 wt .-% of active ingredient.
  • the active ingredient content depends, in part, on whether the active compound is liquid or solid and which granulating aids, fillers, etc. are used.
  • the content of active ingredient is, for example, between 1 and 95% by weight, preferably between 10 and 80% by weight.
  • the active substance formulations mentioned optionally contain the customary adhesion, wetting, dispersing, emulsifying, penetrating, preserving, antifreeze and solvent, fillers, carriers and dyes, antifoams, evaporation inhibitors and the pH and the Viscosity-influencing agent.
  • active ingredients can be used as combination partners for the active compounds according to the invention in mixture formulations or in a tank mix, as described, for example, in Weed Research 26, 441-445 (1986) or "The Pesticide Manual", 11th edition, The British Crop Protection Council and the Royal Soc. of Chemistry, 1997 and cited therein.
  • Examples of known herbicides which can be combined with the compounds of the formula (I) are 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, optionally together with a common code number): acetochlor; acifluorfen; aclonifen; AKH 7088, ie methyl [[[1- [5- [2-chloro-4- (trifluoromethyl) phenoxy] -2-nitrophenyl] -2-methoxyethylidene] amino] oxy] acetic acid and acetic acid; alachlor; alloxydim; ametryn; amidosulfuron; amitrol; AMS, ie ammonium sulfamate; anilofos; asulam; atrazine; azimsulfurones (DPX-A8947); aziprotryn; barban; BAS 516H, ie 5-fluoro-2-phen
  • Ester derivatives e.g., clodinafop-propargyl); clomazone; clomeprop; cloproxydim; clopyralid; cumyluron (JC 940); cyanazine; cycloate; Cyclosulfamuron (AC 104); cycloxydim; cycluron; cyhalofop and its ester derivatives (e.g., butyl ester, DEH
  • Ammonium salt ioxynil; imazethamethapyr; imazethapyr; imazosulfuron; iodosulfuron-methyl-sodium; isocarbamid; isopropalin; isoproturon; isouron; isoxaben; isoxapyrifop; karbutilate; lactofen; lenacil; linuron; MCPA; MCPB; mecoprop; mefenacet; mefluidide; mesosulfuron; mesotrione; metamitron; metazachlor; metham; methabenzthiazuron; methazole; methoxyphenone; methyldymron; metabenzuron, methobenzuron; metobromuron; metolachlor; metosulam (XRD 511); metoxuron; metribuzin; metsulfuron-methyl; MH; molinate; monalide; monolinur
  • pyroxofop and its esters e.g., propargyl esters
  • quinclorac e.g., quinmerac
  • quinofop and its ester derivatives e.g., quizalofop and quizalofop-P and theirs
  • Ester derivatives e.g. quizalofop-ethyl; quizalofop-P-tefuryl and -ethyl; renriduron; rimsulfuron (DPX-E 9636); S 275, i. 2- [4-chloro-2-fluoro-5- (2-propynyloxy) -phenyl] -4,5,6,7-tetrahydro-2H-indazole; secbumeton; sethoxydim; siduron; simazine; simetryn;
  • SN 106279 i. 2 - [[7- [2-chloro-4- (trifluoromethyl) phenoxy] -2-naphthalenyl] oxy] propanoic acid and methyl ester; sulcotrione; sulfentrazone (FMC-97285, F-6285); sulfazuron; sulfometuron-methyl; sulfosate (ICI-A0224); TCA; tebutam (GCP-5544); tebuthiuron; tembotrione; terbacil; terbucarb; terbuchlor; terbumeton; Terbuthylazine; terbutryn; TFH 450, i.
  • the formulations present in commercial form are optionally diluted in the usual manner, e.g. for wettable powders, emulsifiable concentrates, dispersions and water-dispersible granules by means of water. Dust-like preparations, ground or scattered granules and sprayable solutions are usually no longer diluted with other inert substances before use.
  • the type of herbicide used u.a. varies the required application rate of the compounds of formula (I). It can vary 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.
  • Step 1 3-Iso-butylamino-2-methyl-4- (methylsulfonyl) benzoic acid 2.0 g (9 mmol) of 3-fluoro-2-methyl-4- (methylsulfonyl) benzoic acid were dissolved in 26.5 ml (267 mmol) of iso-butylamine solved. The reaction was refluxed with stirring for 8 days, cooled to RT, acidified with 10% sulfuric acid and extracted twice with ethyl acetate. The combined organic phases were dried over MgSO 4 and the solvent was removed in vacuo. This gave 2.4 g of colorless solid in 98% purity.
  • Step 1 3- (2,2-Diethoxyethyl) amino-2-methyl-4- (methylsulfonyl) benzoic acid 5.1 g (22 mmol) of 3-fluoro-2-methyl-4- (methylsulfonyl) benzoic acid were dissolved in 30 ml (218 mmol) Aminoacetaldehyddiethylacetal dissolved. The batch was stirred
  • Step 2 4- [3- (2,2-Diethoxyethyl) amino-2-methyl-4- (methylsulfonyl) benzoyl] -1-ethyl-5-hydroxypyrazole Under nitrogen, 0.38 g (1.1 mmol) of 3- ( 2,2-Diethoxyethyl) amino-2-methyl-4- (methylsulfonyl) benzoic acid, 0.16 g (1.4 mmol) of 5-hydroxy-1-methyl-pyrazole and 0.25 g (1.3 mmol) of 1- (3-dimethylaminopropyl) -3 ethylcarbodiimide hydrochloride in dissolved dry CH 3 CN. The reaction was stirred for 1 day at RT and allowed to stand for 2 days.
  • a dust is obtained by mixing 10 parts by weight of a compound of general formula (I) and 90 parts by weight of talc as an inert material and in a
  • Dispersible Powder A wettable powder readily dispersible in water is obtained by reacting 25 parts by weight of a compound of general formula (I), 64 parts by weight of kaolin-containing quartz as an inert material, 10 parts by weight of potassium lignosulfonate and 1 part by weight Part by weight of oleoylmethyltaurine sodium as wetting and dispersing agent and ground in a pin mill.
  • Dispersion Concentrate A dispersion concentrate readily dispersible in water is obtained by adding 20 parts by weight of a compound of general formula (I), 6 parts by weight of alkylphenol polyglycol ether ( ⁇ Triton X 207), 3 parts by weight of isotridecanol polyglycol ether (8 EO) and 71 Parts by weight of paraffinic mineral oil (boiling range, for example, about 255 to about 277 ° C) mixed and ground in a ball mill to a fineness of less than 5 microns.
  • a compound of general formula (I) 6 parts by weight of alkylphenol polyglycol ether ( ⁇ Triton X 207), 3 parts by weight of isotridecanol polyglycol ether (8 EO) and 71 Parts by weight of paraffinic mineral oil (boiling range, for example, about 255 to about 277 ° C) mixed and ground in a ball mill to a fineness of less than 5 microns.
  • An emulsifiable concentrate is obtained from 15 parts by weight of a compound of general formula (I), 75 parts by weight of cyclohexanone as solvent and 10 parts by weight of ethoxylated nonylphenol as emulsifier.
  • a water-dispersible granule is obtained by reacting 75 parts by weight of a compound of general formula (I), 10 "lignosulfonic acid calcium,
  • a water-dispersible granule is also obtained by reacting 25 parts by weight of a compound of general formula (I),
  • Seeds or rhizome pieces of monocotyledonous and dicotyledonous harmful plants are placed in sandy loam soil in pots of 9 to 13 cm in diameter and covered with soil.
  • the herbicides formulated as emulsifiable concentrates or dusts are applied to the surface of the cover soil in the form of aqueous dispersions or suspensions or emulsions with a water application rate of 300 to 800 l / ha in different dosages.
  • the pots are kept for optimal cultivation of the plants in the greenhouse under optimal conditions.
  • the visual evaluation of the damage to the harmful plants takes place 3-4 weeks after the treatment.
  • the selected compounds according to the invention have a better herbicidal activity against a broad spectrum of economically important monocotyledonous and dicotyledonous harmful plants than those disclosed in the prior art

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
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  • Engineering & Computer Science (AREA)
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  • Dentistry (AREA)
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  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Urology & Nephrology (AREA)
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  • Plural Heterocyclic Compounds (AREA)

Abstract

L'invention concerne des 4-(3-aminobenzoyl)-1-éthylpyrazoles de formule générale (I) et leur utilisation comme herbicides. Dans cette formule générale (I), R1 et R2 représentent des restes tels qu'un hydrogène et des restes organiques tels que des restes alkyle, alcényle et alcinyle. Y représente un hydrogène ou un groupe de protection tel que tosyle.
EP08734918A 2007-04-12 2008-04-01 4-(3-aminobenzoyl)-1-éthylpyrazoles et leur utilisation comme herbicides Withdrawn EP2137159A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08734918A EP2137159A1 (fr) 2007-04-12 2008-04-01 4-(3-aminobenzoyl)-1-éthylpyrazoles et leur utilisation comme herbicides

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07007491A EP1980554A1 (fr) 2007-04-12 2007-04-12 4-(3-Aminobenzoyl)-1-éhtylpyrazole et son utilisation en tant qu'herbicide
PCT/EP2008/002566 WO2008125212A1 (fr) 2007-04-12 2008-04-01 4-(3-aminobenzoyl)-1-éthylpyrazoles et leur utilisation comme herbicides
EP08734918A EP2137159A1 (fr) 2007-04-12 2008-04-01 4-(3-aminobenzoyl)-1-éthylpyrazoles et leur utilisation comme herbicides

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EP2137159A1 true EP2137159A1 (fr) 2009-12-30

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EP07007491A Withdrawn EP1980554A1 (fr) 2007-04-12 2007-04-12 4-(3-Aminobenzoyl)-1-éhtylpyrazole et son utilisation en tant qu'herbicide
EP08734918A Withdrawn EP2137159A1 (fr) 2007-04-12 2008-04-01 4-(3-aminobenzoyl)-1-éthylpyrazoles et leur utilisation comme herbicides

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EP07007491A Withdrawn EP1980554A1 (fr) 2007-04-12 2007-04-12 4-(3-Aminobenzoyl)-1-éhtylpyrazole et son utilisation en tant qu'herbicide

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US (1) US7939467B2 (fr)
EP (2) EP1980554A1 (fr)
JP (1) JP2010523607A (fr)
CN (1) CN101657426A (fr)
AR (1) AR066009A1 (fr)
AU (1) AU2008238384B2 (fr)
BR (1) BRPI0810834A8 (fr)
CA (1) CA2683588C (fr)
CL (1) CL2008001051A1 (fr)
TW (1) TW200901882A (fr)
WO (1) WO2008125212A1 (fr)

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WO2018010001A1 (fr) 2016-07-14 2018-01-18 L.B. Foster Rail Technologies, Corp. Insert pour orifice de rail
CN112409263B (zh) * 2019-08-23 2024-04-05 东莞市东阳光农药研发有限公司 取代的苯甲酰类化合物及其应用

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AR012142A1 (es) * 1997-03-24 2000-09-27 Dow Agrosciences Llc Compuestos de 1-alquil-4-benzoil-5-hiroxipirazol, composiciones herbicidas que los contienen; metodo para controlar vegetacion no deseada y compuestosintermediarios utiles para preparar dichos compuestos
JPH11292849A (ja) * 1998-04-03 1999-10-26 Nippon Soda Co Ltd ベンゾイルピラゾール化合物および除草剤
DE10325659A1 (de) * 2003-06-06 2004-12-23 Bayer Cropscience Gmbh Herbizide Mittel enthaltend 3-Aminobenzoylpyrazole und Safener

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Title
See references of WO2008125212A1 *

Also Published As

Publication number Publication date
AU2008238384A1 (en) 2008-10-23
AU2008238384B2 (en) 2013-01-24
WO2008125212A1 (fr) 2008-10-23
US7939467B2 (en) 2011-05-10
CN101657426A (zh) 2010-02-24
TW200901882A (en) 2009-01-16
BRPI0810834A8 (pt) 2016-04-26
BRPI0810834A2 (pt) 2014-10-29
JP2010523607A (ja) 2010-07-15
CL2008001051A1 (es) 2008-08-08
US20080254991A1 (en) 2008-10-16
CA2683588A1 (fr) 2008-10-23
CA2683588C (fr) 2015-03-31
EP1980554A1 (fr) 2008-10-15
AR066009A1 (es) 2009-07-15

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