EP4305025A1 - Chiral n-(1,3,4-oxadiazole-2-yl)phenyl carboxylic acid amides and their use as herbicides - Google Patents
Chiral n-(1,3,4-oxadiazole-2-yl)phenyl carboxylic acid amides and their use as herbicidesInfo
- Publication number
- EP4305025A1 EP4305025A1 EP22709334.1A EP22709334A EP4305025A1 EP 4305025 A1 EP4305025 A1 EP 4305025A1 EP 22709334 A EP22709334 A EP 22709334A EP 4305025 A1 EP4305025 A1 EP 4305025A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plants
- oxadiazol
- emergence
- phenylcarboxamides
- compounds
- 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.)
- Pending
Links
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- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
- 229940043267 rhodamine b Drugs 0.000 description 1
- 108091092562 ribozyme Proteins 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000003620 semiochemical Substances 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 229920005552 sodium lignosulfonate Polymers 0.000 description 1
- KZOJQMWTKJDSQJ-UHFFFAOYSA-M sodium;2,3-dibutylnaphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S([O-])(=O)=O)=C(CCCC)C(CCCC)=CC2=C1 KZOJQMWTKJDSQJ-UHFFFAOYSA-M 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010904 stalk Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical class NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 description 1
- ZFXYFBGIUFBOJW-UHFFFAOYSA-N theophylline Chemical compound O=C1N(C)C(=O)N(C)C2=C1NC=N2 ZFXYFBGIUFBOJW-UHFFFAOYSA-N 0.000 description 1
- 229960000278 theophylline Drugs 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000004552 water soluble powder Substances 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
- C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
- C07D271/10—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles
- C07D271/113—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
-
- 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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
-
- 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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/82—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
-
- 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
- A01P13/00—Herbicides; Algicides
Definitions
- the invention relates to the technical field of herbicides, in particular that of herbicides for the selective control of weeds and weed grasses in crops of useful plants.
- WO 2012/126932 A1 and WO 2018/202535 A1 describe herbicidally active benzoylamides which differ from one another essentially in the nature of the N-bonded heterocyclic substituent and the substituents on the phenyl ring.
- Both publications disclose, inter alia, (1,3,4-oxadiazol-2-yl)phenylcarboxamides which carry different alkylsulphinyl radicals in the 3-position of the phenyl ring, the stereochemistry of these chiral alkylsulphinyl radicals not being specified.
- benzoylamides known from the documents mentioned above often have an unfavorable profile with regard to their biological properties, such as herbicidal action, compatibility with crop plants, and toxicological and ecotoxicological properties.
- the object of the present invention is to provide alternative herbicidally active ingredients. This object is achieved by the (1,3,4-oxadiazol-2-yl)phenylcarboxamides according to the invention which are described below and which carry a chiral alkylsulphinyl radical with a stereochemically defined configuration in the 3-position of the phenyl ring.
- the present invention relates to N-(1,3,4-oxadiazol-2-yl)phenylcarboxamides or salts thereof having the absolute configuration given in formula (I). in which the substituents have the following meanings: R is hydrogen or methyl,
- X means CI or methyl
- R' means methyl or c-Pr
- Z means CF 3 or CHF 2 .
- Compounds according to the invention are those compounds of the general formula (I) which, according to the Cahn-Ingold-Prelog rules, are present in the S configuration provided that R' has a lower priority than the phenyl ring. This applies, for example, to compounds of general formula (I) in which R' is methyl or cyclopropyl. Further compounds according to the invention are those compounds of the general formula (I) which, according to the Cahn-Ingold-Prelog rules, are in the R configuration provided that R' has a higher priority than the phenyl ring.
- Compounds 1-1 to 1-5 are particularly preferred: Compounds 1-4 and 1-5 are very particularly preferred:
- racemic N-(1,3,4-oxadiazol-2-yl)phenylcarboxamides (Ia) are known in principle and can be prepared, for example, by the methods described in WO 2012/126932 or WO 2018/202535.
- the compounds of the formula (I) according to the invention have excellent herbicidal activity against a broad spectrum of economically important monocotyledonous and dicotyledonous annual harmful plants.
- the subject matter of the present invention is therefore also a method for controlling unwanted plants or for regulating the growth of plants, preferably in plant cultures, in which one or more compound(s) according to the invention are applied to the plants (e.g. harmful plants such as monocotyledonous or dicotyledonous weeds or unwanted crop plants), the seeds (e.g. grains, seeds or vegetative propagation organs such as tubers or parts of shoots with buds) or the area on which the plants grow (e.g. the area under cultivation) are placed.
- the compounds according to the invention can be applied, for example, before sowing (possibly also by incorporation into the soil), pre-emergence or post-emergence.
- the details are exemplary some representatives of the monocotyledonous and dicotyledonous weed flora mentioned, which can be controlled by the compounds according to the invention, without the naming of a restriction to specific species.
- the compounds according to the invention are applied to the surface of the soil before germination, either the emergence of the weed seedlings is completely prevented or the weeds grow up to the cotyledon stage, but then stop growing.
- the compounds according to the invention can have selectivities in useful crops and can also be used as non-selective herbicides.
- the active compounds can also be used to control harmful plants in crops of known or genetically modified plants that are still to be developed.
- the transgenic plants are usually characterized by particularly advantageous properties, for example resistance to certain active ingredients used in the agricultural industry, especially certain herbicides,
- Plant diseases or pathogens of plant diseases such as certain Insects or microorganisms such as fungi, bacteria or viruses.
- Other special properties concern, for example, the harvested crop in terms of quantity, quality, shelf life, composition and special ingredients.
- transgenic plants with an increased starch content or altered starch quality or those with a different fatty acid composition in the harvested crop are known.
- Other special properties include tolerance or resistance to abiotic stressors such as heat, cold, drought, salt and ultraviolet radiation.
- the compounds of the formula (I) can be used as herbicides in crops of useful plants which are resistant to the phytotoxic effects of the herbicides or have been made resistant by genetic engineering.
- new plants that have modified properties compared to previously existing plants include, for example, classical breeding methods and the generation of mutants.
- new plants with modified properties can be produced using genetic engineering methods (see e.g. EP 0221044,
- EP 0131624 For example, genetic engineering modifications of crop plants for the purpose of modifying the starch synthesized in the plants (eg WO 92/011376 A, WO 92/014827 A, WO 91/019806 A), transgenic crop plants which are active against certain herbicides of the glufosinate (see, for example, EP 0242236 A, EP 0242246 A) or glyphosate (WO 92/000377 A) or sulfonylureas (EP 0257993 A, US Pat . corn or soybean with the trade name or designation OptimumTM GATTM (Glyphosate ALS Tolerant).
- OptimumTM GATTM Glyphosate ALS Tolerant
- transgenic crop plants for example cotton, with the ability to produce Bacillus thuringiensis toxins (Bt toxins), which make the plants resistant to certain pests (EP 0142924 A, EP 0193259 A).
- Bacillus thuringiensis toxins Bacillus thuringiensis toxins
- transgenic crop plants with modified fatty acid composition WO 91/013972 A.
- genetically modified crops with new ingredients or secondary substances such as new phytoalexins that cause increased disease resistance
- EP 0309862 A, EP 0464461 A genetically modified plants with reduced photorespiration that have higher yields and higher stress tolerance
- EP 0305398 A transgenic crops that pharmaceutically or diagnostically important proteins produce
- molecular pharming transgenic crop plants, which are characterized by higher yields or better quality transgenic crop plants, which are distinguished by a combination of, for example, the new properties mentioned above award (“gene stacking")
- nucleic acid molecules can be introduced into plasmids, which allow mutagenesis or sequence modification by recombination of DNA sequences.
- base exchanges can be made, partial sequences can be removed or natural or synthetic sequences can be added.
- Adapters or linkers can be attached to the fragments to join the DNA fragments together, see, e.g., Sambrook et al., 1989, Molecular Cloning, A Laboratory Manual, 2nd ed., Cold Spring Harbor Laboratory Press, Cold Spring Harbor, NY; or Winnacker "Genes and Clones", VCH Weinheim 2nd edition 1996
- the production of plant cells with a reduced activity of a gene product can be achieved, for example, by expressing at least one corresponding antisense RNA, a sense RNA to achieve a cosuppression effect or the expression of at least one correspondingly constructed ribozyme that specifically cleaves transcripts of the above gene product.
- DNA molecules can be used which include the entire coding sequence of a gene product, including any flanking sequences present, as well as DNA molecules which only include parts of the coding sequence, these parts having to be long enough to enter the cells produce 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 can be located in any compartment of the plant cell.
- the coding region can, for example, be linked to DNA sequences which ensure localization in a specific 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. Sci. USA 85 (1988), 846-850; Sonnewald et al. (1991) Plant J. 1:95-106).
- the expression of the nucleic acid molecules can also take place in the organelles of the plant cells.
- the transgenic plant cells can be regenerated into whole plants using known techniques.
- the compounds (I) according to the invention can preferably be used in transgenic cultures which are active against growth substances, such as 2,4-D, dicamba or against herbicides, the essential plant enzymes, e.g. acetolactate synthases (ALS), EPSP synthases, glutamine synthases (GS) or hydroxyphenylpyruvate Dioxygenases (HPPD) inhibit or are resistant to herbicides from the group of sulfonylureas, glyphosate, glufosinate or benzoylisoxazoles and analogous active substances, or to any combination of these active substances.
- the essential plant enzymes e.g. acetolactate synthases (ALS), EPSP synthases, glutamine synthases (GS) or hydroxyphenylpyruvate Dioxygenases (HPPD) inhibit or are resistant to herbicides from the group of sulfonylureas, glyphosate, glufosinate or benzoyliso
- the compounds according to the invention can particularly preferably be used in transgenic crop plants which are resistant to a combination of glyphosate and glufosinate, glyphosate and sulfonylureas or imidazolinones.
- the compounds of the invention in transgenic crops such.
- B. corn or soybean with the trade name or designation OptimumTM GATTM (Glyphosate ALS Tolerant) can be used.
- the active compounds according to the invention are used in transgenic cultures, in addition to the effects observed in other cultures against harmful plants, there are often effects that are specific to the application in the respective transgenic culture, for example a modified or specially expanded spectrum of weeds that can be controlled Application rates 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 of the formula (I) according to the invention as herbicides for controlling harmful plants in transgenic crop plants.
- the compounds according to the invention can be used in the customary preparations in the form of wettable powders, emulsifiable concentrates, sprayable solutions, dusts or granules.
- the invention therefore also relates to herbicidal and plant growth-regulating compositions which contain the compounds according to the invention.
- the compounds according to the invention can be formulated in various ways, depending on which biological and/or chemico-physical parameters are given.
- WP wettable powder
- SP water-soluble powder
- EC emulsifiable concentrates
- EW emulsions
- SC suspension concentrates
- SC oil- or water-based dispersions
- CS capsule suspensions
- DP dusts
- dressings granules for spreading and floor application
- granules GR
- WG water-dispersible granules
- SG water-soluble granules
- Wettable powders are preparations that are uniformly dispersible in water and which, in addition to the active ingredient, contain a diluent or inert substance as well as ionic and/or non-ionic surfactants (wetting agents, dispersing agents), e.g. sodium lignosulfonate, sodium 2,2'-dinaphthylmethane-6,6'-disulfonate, sodium dibutylnaphthalenesulfonate or sodium oleoylmethyltaurine.
- wetting agents, dispersing agents e.g. sodium lignosulfonate, sodium 2,2'-dinaphthylmethane-6,6'-disulfonate, sodium dibutylnaphthalenesulfonate or sodium oleoylmethyltaurine.
- the herbicidal active ingredients are finely ground, for example in conventional apparatus such as hammer mills, blower mills and air jet mills, and mixed
- Emulsifiable concentrates are prepared by dissolving the active ingredient in an organic solvent, for example butanol, cyclohexanone, dimethylformamide, xylene or 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 for example butanol, cyclohexanone, dimethylformamide, xylene or 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 polyoxyethylene sorbitan esters such as 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. They can be produced, for example, by wet grinding using commercially available bead 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)
- EW oil-in-water emulsions
- Granules can either be produced by spraying the active ingredient onto adsorptive, granulated inert material or by applying active ingredient concentrates using adhesives, e.g. polyvinyl alcohol, sodium polyacrylic acid or mineral oils, to the surface of carriers such as sand, kaolinite or granulated inert material.
- adhesives e.g. polyvinyl alcohol, sodium polyacrylic acid or mineral oils
- 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 without solid inert material by conventional processes such as spray drying, fluidized bed granulation, pan granulation, mixing with high-speed mixers and extrusion.
- the agrochemical preparations generally contain 0.1 to 99% by weight, in particular 0.1 to 95% by weight, of compounds according to the invention.
- the active substance concentration is about 10 to 90% by weight, the remainder to 100% by weight consists of the usual formulation components.
- the active substance concentration can be about 1 to 90% by weight, preferably 5 to 80% by weight.
- Formulations in dust form contain 1 to 30% by weight of active ingredient, preferably mostly 5 to 20% by weight of active ingredient, and sprayable solutions contain about 0.05 to 80% by weight, 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 on the granulation aids, fillers, etc. used.
- the active substance content is, for example, between 1 and 95% by weight, preferably between 10 and 80% by weight.
- the active ingredient formulations mentioned optionally contain the customary adhesives, wetting agents, dispersants, emulsifiers, penetration agents, preservatives, antifreeze agents and solvents, fillers, carriers and dyes, defoamers, evaporation inhibitors and the pH and the Viscosity affecting agents.
- combinations with other pesticidally active substances such as insecticides, acaricides, herbicides, fungicides, and with safeners, fertilizers and/or growth regulators can also be produced, e.g. in the form of a ready-to-use formulation or as a tank mix.
- the formulations which are in the commercially available form, are diluted, if appropriate, in the customary manner, e.g. with water in the case of wettable powders, emulsifiable concentrates, dispersions and water-dispersible granules.
- Preparations in the form of dust, ground or granulated granules and sprayable solutions are usually not diluted with other inert substances before use.
- the required application rate of the compounds of the formula (I) varies with the external conditions such as temperature, humidity, the type of herbicide used, etc. You can continue within Limits vary, for example between 0.001 and 10.0 kg/ha or more active substance, but it is preferably between 0.005 and 5 kg/ha, more preferably in the range from 0.01 to 1.5 kg/ha, particularly preferably in the range of 0.05 to 1 kg/ha g/ha. This applies to both pre-emergence and post-emergence application.
- Carrier means a natural or synthetic, organic or inorganic substance with which the active ingredients are mixed or combined for better applicability, especially for application to plants or parts of plants or seeds.
- the carrier which may be solid or liquid, is generally inert and should be agriculturally useful.
- Suitable solid or liquid carriers are: e.g. ammonium salts and ground natural minerals such as kaolin, clay, talc, chalk, quartz, attapulgite, montmorillonite or diatomaceous earth and ground synthetic minerals such as highly disperse silica, aluminum oxide and natural or synthetic silicates, resins, waxes, solid fertilizers, water, alcohols, especially butanol, organic solvents, mineral and vegetable oils and derivatives thereof. Mixtures of such excipients can also be used.
- Suitable solid carriers for granules are: e.g.
- broken and fractionated natural rocks such as calcite, marble, pumice, sepiolite, dolomite and synthetic granules made from inorganic and organic flours and granules made from organic material such as sawdust, coconut shells, corn cobs and tobacco stalks.
- Suitable liquefied gaseous extenders or carriers are liquids which are gaseous at normal temperature and under normal pressure, e.g. aerosol propellants such as halogenated hydrocarbons, as well as butane, propane, nitrogen and carbon dioxide.
- aerosol propellants such as halogenated hydrocarbons, as well as butane, propane, nitrogen and carbon dioxide.
- Adhesives such as carboxymethylcellulose, natural and synthetic polymers in powder, granular or latic form, such as gum arabic, polyvinyl alcohol, polyvinyl acetate, and natural phospholipids, such as cephalins and lecithins, and synthetic phospholipids can be used in the formulations. Further additives can be mineral and vegetable oils.
- organic solvents can also be used as auxiliary solvents.
- Essential liquid solvents are: aromatics such as xylene, toluene or alkyl naphthalenes, chlorinated aromatics or chlorinated aliphatic hydrocarbons such as chlorobenzenes, chloroethylene or dichloromethane, aliphatic hydrocarbons such as cyclohexane or paraffins, e.g. petroleum fractions, mineral and vegetable oils,
- Alcohols such as butanol or glycol and their ethers and esters, ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone, strongly polar solvents such as dimethyl formamide and dimethyl sulfoxide, and water.
- the agents according to the invention can also contain other components, such as surface-active substances.
- Emulsifying and/or foaming agents, dispersing agents or wetting agents with ionic or non-ionic ones come as surface-active substances Properties or mixtures of these surfactants in question.
- Examples include salts of polyacrylic acid, salts of lignosulphonic acid, salts of phenolsulphonic acid or naphthalenesulphonic acid, polycondensates of ethylene oxide with fatty alcohols or with fatty acids or with fatty amines, substituted phenols (preferably alkylphenols or arylphenols), salts of sulphosuccinic esters, taurine derivatives (preferably alkyl taurates), phosphoric esters of polyethoxylated alcohols or phenols, fatty acid esters of polyols, and derivatives of compounds containing sulfates, sulfonates and phosphates, for example alkylaryl polyglycol ethers, alkyl sulfonates, alkyl sulfates, aryl sulfonates, protein hydrolysates, fignin sulfite waste liquors and methylcellulose.
- the presence of a surfactant is necessary when one of the active ingredients and
- Dyes such as inorganic pigments such as iron oxide, titanium oxide, ferrocyanide and organic dyes such as alizarin, azo and metal phthalocyanine dyes and trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum and zinc can be used.
- the active ingredients can be combined with any solid or liquid additive commonly used for formulation purposes.
- the agents and formulations according to the invention contain between 0.05 and 99% by weight, 0.01 and 98% by weight, preferably between 0.1 and 95% by weight, particularly preferably between 0.5 and 90% Active ingredient, most preferably between 10 and 70 percent by weight.
- the active ingredients or agents according to the invention can be used as such or depending on their respective physical and / or chemical properties in the form of their formulations or the use forms prepared therefrom, such as aerosols, capsule suspensions, cold mist concentrates, hot mist concentrates, encapsulated granules, fine granules, flowable concentrates for Treatment of seeds, ready-to-use solutions, dustable powders, emulsifiable concentrates, oil-in-water emulsions, water-in-oil emulsions, macrogranules, microgranules, oil-dispersible powders, oil-miscible flowable concentrates, oil-miscible liquids, foams, pastes, Pesticide-coated seeds, suspension concentrates, suspension-emulsion concentrates, soluble concentrates, suspensions, wettable powders, soluble powders, dusts and granules, water-soluble granules or tablets, water-soluble powders for seed treatment, wettable powders, drug
- the formulations mentioned can be prepared in a manner known per se, for example by mixing the active ingredients with at least one conventional extender, solvent or diluent, emulsifier, dispersant and/or binder or fixative, wetting agent, water repellent, if appropriate Siccatives and UV stabilizers and optionally dyes and pigments, defoamers, preservatives, secondary thickeners, adhesives, gibberellins and other processing aids.
- the agents according to the invention include not only formulations which are already ready for use and which can be applied to the plant or the seed using a suitable apparatus, but also commercial concentrates which have to be diluted with water before use.
- the active ingredients according to the invention can be used as such or in their (commercially available) formulations and in the use forms prepared from these formulations in a mixture with other (known) active ingredients such as insecticides, focking agents, sterilants, bactericides, acaricides, nematicides, fungicides, growth regulators, herbicides , fertilizers, safeners or semiochemicals are present.
- the treatment according to the invention of the plants and parts of plants with the active ingredients or agents takes place directly or by acting on their environment, the fecal space or the fecal space, using the usual treatment methods, e.g. Atomizing, nebulizing, (Ver-) scattering, foaming, brushing, spreading, pouring (drenching), drip irrigation and propagation material, especially seeds, also by dry dressing, wet dressing, slurry dressing, encrusting, single or multi-layer encasing, etc. It is also possible to apply the active ingredients using the ultra-flow volume method or to inject the active ingredient preparation or the active ingredient itself into the soil.
- One of the advantages of the present invention is that due to the special systemic properties of the active ingredients or agents according to the invention, the treatment of the seed with these active ingredients or agents not only protects the seed itself but also the resulting plants from phytopathogenic fungi after emergence . In this way, the immediate treatment of the crop at the time of sowing or shortly thereafter can be omitted.
- the active ingredients or agents according to the invention can also be used in particular in the case of transgenic seed, the plant growing from this seed being able to express a protein which acts against pests.
- the active compounds or agents according to the invention By treating such seed with the active compounds or agents according to the invention, certain pests can already be controlled by the expression of the insecticidal protein, for example.
- a further synergistic effect can be observed, which additionally increases the effectiveness of the protection against pest infestation.
- the agents according to the invention are suitable for protecting seed of any plant variety used in agriculture, in greenhouses, in forests or in horticulture and viticulture.
- these are grain seeds (such as wheat, barley, rye, triticale, millet and oats), corn, cotton, soybeans, rice, potatoes, sunflowers, beans, coffee, beet (e.g. sugar beet and fodder beet), peanut, Canola, poppy, olive, coconut, cocoa, sugar cane, tobacco, vegetables (such as tomato, cucumber, onion and lettuce), turf and ornamental plants (see also below).
- the treatment of grain seeds such as wheat, barley, rye, triticale and oats
- maize and rice is of particular importance.
- transgenic seed As also described below, the treatment of transgenic seed with the active ingredients or agents according to the invention is of particular importance.
- the heterologous gene in transgenic seed can be derived, for example, from microorganisms of the species Bacillus, Rhizobium, Pseudomonas, Serratia, Trichoderma, Clavibacter, Glomus or Gliocladium.
- This heterologous gene preferably originates from Bacillus sp., the gene product having an effect against the corn borer (European corn borer) and/or western corn rootworm.
- the heterologous gene is particularly preferably derived from Bacillus thuringiensis.
- the agent according to the invention is applied to the seed alone or in a suitable formulation.
- the seed is treated in a state in which it is sufficiently stable that no damage occurs during the treatment.
- seed treatment can be done at any time between harvest and sowing.
- seeds are used which have been separated from the plant and freed from cobs, husks, stalks, husk, wool or pulp.
- seed can be used that has been harvested, cleaned and dried to a moisture content of less than 15% by weight.
- seeds can be used that, after drying, have been treated with e.g. water and then dried again.
- care when treating the seed, care must be taken to ensure that the amount of the agent according to the invention and/or other additives applied to the seed is chosen such that the germination of the seed is not impaired or the resulting plant is not damaged. This is particularly important for active ingredients that can have phytotoxic effects when applied in certain quantities.
- the agents according to the invention can be applied directly, ie without containing further components and without having been diluted.
- suitable formulations and methods for seed treatment are known to those skilled in the art and are described, for example, in the following documents: US Pat. No. 4,272,417 A, US Pat. No. 4,245,432 A, US Pat A2.
- the active compounds which can be used according to the invention can be converted into the customary seed dressing formulations, such as solutions, emulsions, suspensions, powders, foams, slurries or other coating materials for seed, and also ULV formulations.
- formulations are produced in a known manner by mixing the active ingredients with customary additives, such as customary extenders and solvents or diluents, dyes, wetting agents, dispersants, emulsifiers, defoamers, preservatives, secondary thickeners, adhesives, gibberellins and also water .
- customary additives such as customary extenders and solvents or diluents, dyes, wetting agents, dispersants, emulsifiers, defoamers, preservatives, secondary thickeners, adhesives, gibberellins and also water .
- Suitable dyes which can be present in the seed-dressing formulations which can be used according to the invention are all dyes customary for such purposes. Both pigments which are sparingly soluble in water and dyes which are soluble in water can be used here. Examples which may be mentioned are those designated Rhodamine B, C.I. Pigment Red 112 and C.I. Solvent Red 1 known dyes.
- Suitable wetting agents which can be present in the seed-dressing formulations which can be used according to the invention are all the wetting-promoting substances which are customary for the formulation of agrochemical active ingredients.
- Alkylnaphthalene sulfonates such as diisopropyl or diisobutyl naphthalene sulfonates can preferably be used.
- Suitable dispersants and/or emulsifiers which can be present in the seed-dressing formulations which can be used according to the invention are all nonionic, anionic and cationic dispersants customary for the formulation of agrochemically active compounds.
- Nonionic or anionic dispersants or mixtures of nonionic or anionic dispersants can preferably be used.
- Suitable nonionic dispersants include, in particular, ethylene oxide-propylene oxide block polymers, alkylphenol polyglycol ethers and tristryrylphenol polyglycol ethers and their phosphated or sulfated derivatives.
- Suitable anionic dispersants are, in particular, lignin sulfonates, polyacrylic acid salts and aryl sulfonate-formaldehyde condensates. All foam-inhibiting substances customary for the formulation of agrochemical active substances can be present as foam-inhibiting agents in the seed-dressing formulations which can be used according to the invention. Silicone defoamers and magnesium stearate can preferably be used.
- All substances which can be used for such purposes in agrochemical agents can be present as preservatives in the seed dressing formulations which can be used according to the invention.
- Examples include dichlorophene and benzyl alcohol hemiformal.
- Secondary thickeners which can be present in the seed-dressing formulations which can be used according to the invention are all substances which can be used for such purposes in agrochemical compositions. Cellulose derivatives, acrylic acid derivatives, xanthan, modified clays and highly disperse silicic acid are preferred.
- Suitable adhesives which can be present in the mordant formulations which can be used according to the invention are all the customary binders which can be used in mordants.
- Polyvinylpyrrolidone, polyvinyl acetate, polyvinyl alcohol and tylose may be mentioned as preferred.
- the seed dressing formulations which can be used according to the invention can be used either directly or after prior dilution with water for the treatment of seed of all kinds, including seed of transgenic plants. Additional synergistic effects can also occur in interaction with the substances formed by expression.
- the dressing is carried out by placing the seed in a mixer, adding the desired amount of dressing formulation either as such or after diluting it with water and mixing until the formulation is evenly distributed on the seed. If necessary, a drying process follows.
- the active compounds according to the invention are suitable for the protection of plants and plant organs, for increasing crop yields and improving the quality of crops, while being well tolerated by plants, favorable toxicity to warm-blooded animals and good environmental compatibility. They can preferably be used as crop protection agents. They are active against normally sensitive and resistant species and against all or some developmental stages.
- the compounds according to the invention were prepared by chiral supercritical liquid chromatography (SFC) separation of the corresponding racemates (Ia).
- SFC supercritical liquid chromatography
- the separation of the enantiomers was carried out on a Sepiatec SFC 100 device.
- the conditions of the separations that led to the S enantiomers 1-1, 1-2, 1-3, 1-4, 1-5 and 1-6 are described below by way of example.
- the enantiomeric purity of the separated enantiomers was determined using an analytical SFC system (Aquity UPC 2 from Waters). It is given as the enantiomeric excess ee in the examples described below. Rotational values were determined using a Krüss polarimeter.
- Table 1 Compounds of the general formula (I) according to the invention, in which R, X, Z and R' have the meaning given in Table 1.
- a dust is obtained by mixing 10 parts by weight of a compound of the formula (I) and/or salts thereof and 90 parts by weight of talcum as an inert substance and comminuting in a hammer mill.
- a water-dispersible, wettable powder is obtained by mixing 25 parts by weight of a compound of the formula (I) and/or salts thereof, 64 parts by weight of kaolin-containing quartz as an inert material, 10 parts by weight of potassium lignosulfonate and 1 part by weight mixes sodium oleoylmethyltaurine as a wetting and dispersing agent and grinds it in a pin mill.
- a water-dispersible dispersion concentrate is obtained by mixing 20 parts by weight of a compound of the formula (I) and/or salts thereof with 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, approx. 255 to over 277 C) and ground to a fineness of less than 5 microns in a ball mill.
- An emulsifiable concentrate is obtained from 15 parts by weight of a compound of the formula (I) and/or salts thereof, 75 parts by weight of cyclohexanone as solvent and 10 parts by weight of ethoxylated nonylphenol as emulsifier.
- a water-dispersible granulate is obtained by
- a water-dispersible granulate is also obtained by adding 25 parts by weight of a compound of the formula (I) and/or salts thereof,
- ECHCG Echinochloa crus-galli HORMU Hordeum murinum
- Seeds of monocotyledonous or dicotyledonous weeds or crop plants are laid out in sandy loam soil in wood fiber pots and covered with soil.
- the compounds according to the invention formulated in the form of wettable powders (WP) or as emulsion concentrates (EC) are then applied to the surface of the covering soil as an aqueous suspension or emulsion with a water application rate of the equivalent of 600 to 800 l/ha with the addition of 0.2% wetting agent applied. After treatment, the pots are placed in the greenhouse and maintained under good growth conditions for the test plants.
- WP wettable powders
- EC emulsion concentrates
- Table 2b Pre-emergence effect at 80g/ha against AMARE in %
- Table 3 Pre-emergence effect at 80g/ha against AVEFA in %
- Table 4a Pre-emergence effect at 20g/ha against DIGSA in %
- Table 5b Pre-emergence effect at 20g/ha against ECHCG in %
- Table 5c Pre-emergence effect at 80g/ha against ECHCG in %
- Table 6 Pre-emergence effect at 80g/ha against LOLRI in %
- Table 7a Pre-emergence effect at 20g/ha against MATIN in %
- Table 7b Pre-emergence effect at 80g/ha against MATIN in %
- Table 8 Pre-emergence effect at 80g/ha against PHBPU in %
- Table 9 Pre-emergence effect at 80g/ha against POLCO in %
- Table 10c Pre-emergence effect at 80g/ha against SETVI in %
- Table 11a Pre-emergence effect at 20g/ha against STEME in %
- Table 11b Pre-emergence effect at 80g/ha against STEME in %
- Table 12a Pre-emergence effect at 20g/ha against VERPE in %
- Table 13a Pre-emergence effect at 20g/ha against VIOTR in %
- Table 13b Pre-emergence effect at 80g/ha against VIOTR in %
- Table 16a Post-emergence effect at 5g/ha against DIGSA in %
- Table 16b Post-emergence effect at 20g/ha against DIGSA in %
- Table 17a Post-emergence effect at 5g/ha against ECHCG in %
- Table 18a Post-emergence effect at 5g/ha against MATIN in %
- Table 18b Post-emergence effect at 20g/ha against MATIN in %
- Table 19a Post-emergence effect at 5g/ha against PHBPU in %
- Table 20 Post-emergence effect at 20g/ha against POLCO in %
- Table 21a Post-emergence effect at 5g/ha against SETVI in %
- Table 21b Post-emergence effect at 20g/ha against SETVI in %
- Table 23a Post-emergence effect at 5g/ha against VERPE in %
- Table 23b Post-emergence effect at 20g/ha against VERPE in %
- Table 24a Post-emergence effect at 1.25g/ha against VIOTR in %
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Abstract
Disclosed are chiral N-(1,3,4-oxadioazole-2-yl)phenyl carboxylic acid amides of general formula (I) as well as their use as herbicides. In formula (I) X, Z, R and R' represent radicals such as alkyl, cycloalkyl and halogen.
Description
Chirale N-(l,3,4-Oxadiazol-2-yl)phenylcarbonsäureamide und ihre Verwendung als Herbizide Beschreibung Description of chiral N-(1,3,4-oxadiazol-2-yl)phenylcarboxamides and their use as herbicides
Die Erfindung betrifft das technische Gebiet der Herbizide, insbesondere das der Herbizide zur selektiven Bekämpfung von Unkräutern und Ungräsern in Nutzpflanzenkulturen. The invention relates to the technical field of herbicides, in particular that of herbicides for the selective control of weeds and weed grasses in crops of useful plants.
WO 2012/126932 Al und WO 2018/202535 Al beschreiben herbizid wirksame Benzoylamide, die sich im Wesentlichen durch die Art des N-gebundenen heterocyclischen Substituenten und der Substituenten am Phenylring voneinander unterscheiden. Beide Schriften offenbaren unter anderen (1,3,4-Oxadiazol- 2-yl)phenylcarbonsäure-amide, die in 3-Position des Phenylrings unterschiedliche Alkylsulfinyl-Reste tragen, wobei die Stereochemie dieser chiralen Alkylsulfinyl-Reste nicht spezifiziert ist. WO 2012/126932 A1 and WO 2018/202535 A1 describe herbicidally active benzoylamides which differ from one another essentially in the nature of the N-bonded heterocyclic substituent and the substituents on the phenyl ring. Both publications disclose, inter alia, (1,3,4-oxadiazol-2-yl)phenylcarboxamides which carry different alkylsulphinyl radicals in the 3-position of the phenyl ring, the stereochemistry of these chiral alkylsulphinyl radicals not being specified.
Jedoch weisen die aus den oben genannten Schriften bekannten Benzoylamide oftmals ein ungünstiges Profil hinsichtlich ihrer biolologischen Eigenschaften auf, wie herbizide Wirkung, Verträglichkeit gegenüber Kulturpflanzen, toxikologische und ökotoxikologische Eigenschaften. However, the benzoylamides known from the documents mentioned above often have an unfavorable profile with regard to their biological properties, such as herbicidal action, compatibility with crop plants, and toxicological and ecotoxicological properties.
Aufgabe der vorliegenden Erfindung ist es, alternative herbizid wirksame Wirkstoffe bereitzustellen. Diese Aufgabe wird durch die nachfolgend beschriebenen erfindungsgemäßen (l,3,4-Oxadiazol-2- yl)phenylcarbonsäureamide gelöst, die in 3-Position des Phenylrings einen chiralen Alkylsulfinyl-Rest mit stereochemisch definierter Konfiguration tragen. The object of the present invention is to provide alternative herbicidally active ingredients. This object is achieved by the (1,3,4-oxadiazol-2-yl)phenylcarboxamides according to the invention which are described below and which carry a chiral alkylsulphinyl radical with a stereochemically defined configuration in the 3-position of the phenyl ring.
Gegenstand der vorliegenden Erfindung sind N-(l,3,4-Oxadiazol-2-yl)phenylcarbonsäureamide oder deren Salze mit der in Formel (I) angegebenen absoluten Konfiguration
worin die Substituenten folgende Bedeutungen haben: R bedeutet Wasserstoff oder Methyl, The present invention relates to N-(1,3,4-oxadiazol-2-yl)phenylcarboxamides or salts thereof having the absolute configuration given in formula (I). in which the substituents have the following meanings: R is hydrogen or methyl,
X bedeutet CI oder Methyl,
R' bedeutet Methyl oder c-Pr, X means CI or methyl, R' means methyl or c-Pr,
Z bedeutet CF3 oder CHF2. Z means CF 3 or CHF 2 .
Erfindungsgemäße Verbindungen sind solche Verbindungen der allgemeinen Formel (I), welche nach den Cahn-Ingold-Prelog Regeln in der S-Konfiguration vorliegen sofern R' eine geringere Priorität als der Phenylring aufweist. Dieses gilt zum Beispiel für Verbindungen der allgemeinen Formel (I), bei denen R' Methyl oder Cyclopropyl ist. Weitere erfindungsgemäße Verbindungen sind solche Verbindungen der allgemeinen Formel (I), welche nach den Cahn-Ingold-Prelog Regeln in der R- Konfiguration vorliegen sofern R' eine höhere Priorität als der Phenylring aufweist. Compounds according to the invention are those compounds of the general formula (I) which, according to the Cahn-Ingold-Prelog rules, are present in the S configuration provided that R' has a lower priority than the phenyl ring. This applies, for example, to compounds of general formula (I) in which R' is methyl or cyclopropyl. Further compounds according to the invention are those compounds of the general formula (I) which, according to the Cahn-Ingold-Prelog rules, are in the R configuration provided that R' has a higher priority than the phenyl ring.
Bevorzugt sind Verbindungen 1-1 bis 1-16:
Compounds 1-1 to 1-16 are preferred:
Besonders bevorzugt sind Verbindungen 1-1 bis 1-5:
Ganz besonders bevorzugt sind Verbindungen 1-4 und 1-5:
Compounds 1-1 to 1-5 are particularly preferred: Compounds 1-4 and 1-5 are very particularly preferred:
In allen nachfolgend genannten Formeln haben die Substituenten und Symbole, sofern nicht anders definiert, dieselbe Bedeutung wie unter Formel (I) beschrieben. Unless defined otherwise, the substituents and symbols in all the formulas given below have the same meaning as described under formula (I).
Erfindungsgemäße Verbindungen der allgemeinen Formel (I) können beispielsweise durch chromatographische Enantiomerentrennung der racemischen N-(l,3,4-Oxadiazol-2- yl)phenylcarbonsäureamide (Ia), wie in Schema 1 angegeben, hergestellt werden. Compounds of the general formula (I) according to the invention can be prepared, for example, by chromatographic separation of the enantiomers of the racemic N-(1,3,4-oxadiazol-2-yl)phenylcarboxamides (Ia), as indicated in scheme 1.
Schema 1:
Scheme 1:
Die racemischen N-(l,3,4-Oxadiazol-2-yl)phenylcarbonsäureamide (Ia) sind grundsätzlich bekannt und können beispielsweise gemäß den in WO 2012/126932 oder WO 2018/202535 beschriebenen Methoden hergestellt werden. The racemic N-(1,3,4-oxadiazol-2-yl)phenylcarboxamides (Ia) are known in principle and can be prepared, for example, by the methods described in WO 2012/126932 or WO 2018/202535.
Die erfindungsgemäßen Verbindungen der Formel (I), weisen eine ausgezeichnete herbizide Wirksamkeit gegen ein breites Spektrum wirtschaftlich wichtiger mono- und dikotyler annueller Schadpflanzen auf. The compounds of the formula (I) according to the invention have excellent herbicidal activity against a broad spectrum of economically important monocotyledonous and dicotyledonous annual harmful plants.
Gegenstand der vorliegenden Erfindung ist daher auch ein Verfahren zur Bekämpfung von unerwünschten Pflanzen oder zur Wachstumsregulierung von Pflanzen, vorzugsweise in Pflanzenkulturen, worin eine oder mehrere erfindungsgemäße Verbindung(en) auf die Pflanzen (z.B. Schadpflanzen wie mono- oder dikotyle Unkräuter oder unerwünschte Kulturpflanzen), das Saatgut (z.B. Körner, Samen oder vegetative Vermehrungsorgane wie Knollen oder Sprossteile mit Knospen) oder die Fläche, auf der die Pflanzen wachsen (z.B. die Anbaufläche), ausgebracht werden. Dabei können die erfindungsgemäßen Verbindungen z.B. im Vorsaat- (ggf. auch durch Einarbeitung in den Boden), Vorauflauf- oder Nachauflaufverfahren ausgebracht werden. Im Einzelnen seien beispielhaft
einige Vertreter der mono- und dikotylen Unkrautflora genannt, die durch die erfindungsgemäßen Verbindungen kontrolliert werden können, ohne dass durch die Nennung eine Beschränkung auf bestimmte Arten erfolgen soll. The subject matter of the present invention is therefore also a method for controlling unwanted plants or for regulating the growth of plants, preferably in plant cultures, in which one or more compound(s) according to the invention are applied to the plants (e.g. harmful plants such as monocotyledonous or dicotyledonous weeds or unwanted crop plants), the seeds (e.g. grains, seeds or vegetative propagation organs such as tubers or parts of shoots with buds) or the area on which the plants grow (e.g. the area under cultivation) are placed. The compounds according to the invention can be applied, for example, before sowing (possibly also by incorporation into the soil), pre-emergence or post-emergence. The details are exemplary some representatives of the monocotyledonous and dicotyledonous weed flora mentioned, which can be controlled by the compounds according to the invention, without the naming of a restriction to specific species.
Monokotyle Schadpflanzen der Gattungen: Aegilops, Agropyron, Agrostis, Alopecurus, Apera, Avena, Brachiaria, Bromus, Cenchrus, Commelina, Cynodon, Cyperus, Dactyloctenium, Digitaria, Echinochloa, Eleocharis, Eleusine, Eragrostis, Eriochloa, Festuca, Fimbristylis, Heteranthera, Imperata, Ischaemum, Leptochloa, Lolium, Monochoria, Panicum, Paspalum, Phalaris, Phleum, Poa, Rottboellia, Sagittaria, Scirpus, Setaria, Sorghum. Monocotyledonous weeds of the genera: Aegilops, Agropyron, Agrostis, Alopecurus, Apera, Avena, Brachiaria, Bromus, Cenchrus, Commelina, Cynodon, Cyperus, Dactyloctenium, Digitaria, Echinochloa, Eleocharis, Eleusine, Eragrostis, Eriochloa, Festuca, Fimbristylis, Heteranthera, Imperata , Ischaemum, Leptochloa, Lolium, Monochoria, Panicum, Paspalum, Phalaris, Phleum, Poa, Rottboellia, Sagittaria, Scirpus, Setaria, Sorghum.
Dikotyle Unkräuter der Gattungen: Abutilon, Amaranthus, Ambrosia, Anoda, Anthemis, Aphanes, Artemisia, Atriplex, Bellis, Bidens, Capsella, Carduus, Cassia, Centaurea, Chenopodium, Cirsium, Convolvulus, Datura, Desmodium, Emex, Erysimum, Euphorbia, Galeopsis, Galinsoga, Galium, Hibiscus, Ipomoea, Kochia, Lamium, Lepidium, Lindernia, Matricaria, Mentha, Mercurialis, Mullugo, Myosotis, Papaver, Pharbitis, Plantago, Polygonum, Portulaca, Ranunculus, Raphanus, Rorippa, Rotala, Rumex, Salsola, Senecio, Sesbania, Sida, Sinapis, Solanum, Sonchus, Sphenoclea, Stellaria, Taraxacum, Thlaspi, Trifolium, Urtica, Veronica, Viola, Xanthium. Dicotyledonous weeds of the genera: Abutilon, Amaranthus, Ambrosia, Anoda, Anthemis, Aphanes, Artemisia, Atriplex, Bellis, Bidens, Capsella, Carduus, Cassia, Centaurea, Chenopodium, Cirsium, Convolvulus, Datura, Desmodium, Emex, Erysimum, Euphorbia, Galeopsis , Galinsoga, Galium, Hibiscus, Ipomoea, Kochia, Lamium, Lepidium, Lindernia, Matricaria, Mentha, Mercurialis, Mullugo, Myosotis, Papaver, Pharbitis, Plantago, Polygonum, Portulaca, Ranunculus, Raphanus, Rorippa, Rotala, Rumex, Salsola, Senecio , Sesbania, Sida, Sinapis, Solanum, Sonchus, Sphenoclea, Stellaria, Taraxacum, Thlaspi, Trifolium, Urtica, Veronica, Viola, Xanthium.
Werden die erfindungsgemäßen Verbindungen vor dem Keimen auf die Erdoberfläche appliziert, so wird entweder das Auflaufen der Unkrautkeimlinge vollständig verhindert oder die Unkräuter wachsen bis zum Keimblattstadium heran, stellen jedoch dann ihr Wachstum ein. If the compounds according to the invention are applied to the surface of the soil before germination, either the emergence of the weed seedlings is completely prevented or the weeds grow up to the cotyledon stage, but then stop growing.
Bei Applikation der Wirkstoffe auf die grünen Pflanzenteile im Nachauflaufverfahren tritt nach der Behandlung Wachstumsstop ein und die Schadpflanzen bleiben in dem zum Applikationszeitpunkt vorhandenen Wachstumsstadium stehen oder sterben nach einer gewissen Zeit ganz ab, so dass auf diese Weise eine für die Kulturpflanzen schädliche Unkrautkonkurrenz sehr früh und nachhaltig beseitigt wird. When the active ingredients are applied to the green parts of the plant post-emergence, growth stops after the treatment and the harmful plants remain in the growth stage present at the time of application or die off completely after a certain time, so that in this way weed competition that is harmful to the crop plants occurs very early and is permanently eliminated.
Die erfindungsgemäßen Verbindungen können in Nutzkulturen Selektivitäten aufweisen und können auch als nichtselektive Herbizide eingesetzt werden. The compounds according to the invention can have selectivities in useful crops and can also be used as non-selective herbicides.
Aufgrund ihrer herbiziden und pflanzenwachstumsregulatorischen Eigenschaften können die Wirkstoffe auch zur Bekämpfung von Schadpflanzen in Kulturen von bekannten oder noch zu entwickelnden gentechnisch veränderten Pflanzen eingesetzt werden. Die transgenen Pflanzen zeichnen sich in der Regel durch besondere vorteilhafte Eigenschaften aus, beispielsweise durch Resistenzen gegenüber bestimmten in der Agrarindustrie verwendeten Wirkstoff , vor allem bestimmten Herbiziden,Because of their herbicidal and plant growth-regulating properties, the active compounds can also be used to control harmful plants in crops of known or genetically modified plants that are still to be developed. The transgenic plants are usually characterized by particularly advantageous properties, for example resistance to certain active ingredients used in the agricultural industry, especially certain herbicides,
Resistenzen gegenüber Pflanzenkrankheiten oder Erregern von Pflanzenkrankheiten wie bestimmten
Insekten oder Mikroorganismen wie Pilzen, Bakterien oder Viren. Andere besondere Eigenschaften betreffen z.B. das Erntegut hinsichtlich Menge, Qualität, Lagerfähigkeit, Zusammensetzung und spezieller Inhaltsstoffe. So sind transgene Pflanzen mit erhöhtem Stärkegehalt oder veränderter Qualität der Stärke oder solche mit anderer Fettsäurezusammensetzung des Ernteguts bekannt. Weitere besondere Eigenschaften hegen in einer Toleranz oder Resistenz gegen abiotische Stressoren z.B. Hitze, Kälte, Trockenheit, Salz und ultraviolette Strahlung. 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, for example, the harvested crop in terms of quantity, quality, shelf life, composition and special ingredients. Thus, transgenic plants with an increased starch content or altered starch quality or those with a different fatty acid composition in the harvested crop are known. Other special properties include tolerance or resistance to abiotic stressors such as heat, cold, drought, salt and ultraviolet radiation.
Bevorzugt ist die Anwendung der erfindungsgemäßen Verbindungen der Formel (I) in wirtschaftlich bedeutenden transgenen Kulturen von Nutz -und Zierpflanzen, Preference is given to using the compounds of the formula (I) according to the invention in economically important transgenic crops of useful and ornamental plants,
Die Verbindungen der Formel (I) können als Herbizide in Nutzpflanzenkulturen eingesetzt werden, welche gegenüber den phytotoxischen Wirkungen der Herbizide resistent sind bzw. gentechnisch resistent gemacht wurden. The compounds of the formula (I) can be used as herbicides in crops of useful plants which are resistant to the phytotoxic effects of the herbicides or have been made resistant by genetic engineering.
Herkömmliche Wege zur Herstellung neuer Pflanzen, die im Vergleich zu bisher vorkommenden Pflanzen modifizierte Eigenschaften aufweisen, bestehen beispielsweise in klassischen Züchtungsverfahren und der Erzeugung von Mutanten. Alternativ können neue Pflanzen mit veränderten Eigenschaften mit Hilfe gentechnischer Verfahren erzeugt werden (siehe z.B. EP 0221044, Conventional ways of producing new plants that have modified properties compared to previously existing plants include, for example, classical breeding methods and the generation of mutants. Alternatively, new plants with modified properties can be produced using genetic engineering methods (see e.g. EP 0221044,
EP 0131624). Beschrieben wurden beispielsweise in mehreren Fähen gentechnische Veränderungen von Kulturpflanzen zwecks Modifikation der in den Pflanzen synthetisierten Stärke (z.B. WO 92/011376 A, WO 92/014827 A, WO 91/019806 A), transgene Kulturpflanzen, welche gegen bestimmte Herbizide vom Typ Glufosinate (vgl. z.B. EP 0242236 A, EP 0242246 A) oder Glyphosate (WO 92/000377 A) oder der Sulfonylharnstoffe (EP 0257993 A, US 5,013,659) oder gegen Kombinationen oder Mischungen dieser Herbizide durch „gene stacking“ resistent sind, wie transgenen Kulturpflanzen z. B. Mais oder Soja mit dem Handelsnamen oder der Bezeichnung OptimumTM GATTM (Glyphosate ALS Tolerant). transgene Kulturpflanzen, beispielsweise Baumwolle, mit der Fähigkeit Bacillus thuringiensis- Toxine (Bt-Toxine) zu produzieren, welche die Pflanzen gegen bestimmte Schädlinge resistent machen (EP 0142924 A, EP 0193259 A). transgene Kulturpflanzen mit modifizierter Fettsäurezusammensetzung (WO 91/013972 A). gentechnisch veränderte Kulturpflanzen mit neuen Inhalts- oder Sekundärstoffen z.B. neuen Phytoalexinen, die eine erhöhte Krankheitsresistenz verursachen (EP 0309862 A, EP 0464461 A) gentechnisch veränderte Pflanzen mit reduzierter Photorespiration, die höhere Erträge und höhere Stresstoleranz aufweisen (EP 0305398 A) transgene Kulturpflanzen, die pharmazeutisch oder diagnostisch wichtige Proteine produzieren („molecular pharming“) transgene Kulturpflanzen, die sich durch höhere Erträge oder bessere Qualität auszeichnen transgene Kulturpflanzen die sich durch eine Kombinationen z.B. der o. g. neuen Eigenschaften
auszeichnen („gene stacking“) EP 0131624). For example, genetic engineering modifications of crop plants for the purpose of modifying the starch synthesized in the plants (eg WO 92/011376 A, WO 92/014827 A, WO 91/019806 A), transgenic crop plants which are active against certain herbicides of the glufosinate ( See, for example, EP 0242236 A, EP 0242246 A) or glyphosate (WO 92/000377 A) or sulfonylureas (EP 0257993 A, US Pat . corn or soybean with the trade name or designation OptimumTM GATTM (Glyphosate ALS Tolerant). transgenic crop plants, for example cotton, with the ability to produce Bacillus thuringiensis toxins (Bt toxins), which make the plants resistant to certain pests (EP 0142924 A, EP 0193259 A). transgenic crop plants with modified fatty acid composition (WO 91/013972 A). genetically modified crops with new ingredients or secondary substances such as new phytoalexins that cause increased disease resistance (EP 0309862 A, EP 0464461 A) genetically modified plants with reduced photorespiration that have higher yields and higher stress tolerance (EP 0305398 A) transgenic crops that pharmaceutically or diagnostically important proteins produce ("molecular pharming") transgenic crop plants, which are characterized by higher yields or better quality transgenic crop plants, which are distinguished by a combination of, for example, the new properties mentioned above award ("gene stacking")
Zahlreiche molekularbiologische Techniken, mit denen neue transgene Pflanzen mit veränderten Eigenschaften hergestellt werden können, sind im Prinzip bekannt; siehe z.B. I. Potrykus und G. Spangenberg (eds.) Gene Transfer to Plants, Springer Lab Manual (1995), Springer Verlag Berlin, Heidelberg oder Christou, "Trends in Plant Science" 1 (1996) 423-431). Numerous molecular biological techniques with which new transgenic plants with modified properties can be produced are known in principle; see e.g. I. Potrykus and G. Spangenberg (eds.) Gene Transfer to Plants, Springer Lab Manual (1995), Springer Verlag Berlin, Heidelberg or Christou, "Trends in Plant Science" 1 (1996) 423-431).
Für derartige gentechnische Manipulationen können Nucleinsäuremoleküle in Plasmide eingebracht werden, die eine Mutagenese oder eine Sequenzveränderung durch Rekombination von DNA- Sequenzen erlauben. Mit Hilfe von Standardverfahren können z.B. Basenaustausche vorgenommen, Teilsequenzen entfernt oder natürliche oder synthetische Sequenzen hinzugefügt werden. Für die Verbindung der DNA-Fragmente untereinander können an die Fragmente Adaptoren oder Linker angesetzt werden, siehe z.B. Sambrook et al., 1989, Molecular Cloning, A Laboratory Manual, 2. Aufl. Cold Spring Harbor Laboratory Press, Cold Spring Harbor, NY; oder Winnacker "Gene und Klone", VCH Weinheim 2. Auflage 1996 For such genetic engineering manipulations, nucleic acid molecules can be introduced into plasmids, which allow mutagenesis or sequence modification by recombination of DNA sequences. With the help of standard methods, for example, base exchanges can be made, partial sequences can be removed or natural or synthetic sequences can be added. Adapters or linkers can be attached to the fragments to join the DNA fragments together, see, e.g., Sambrook et al., 1989, Molecular Cloning, A Laboratory Manual, 2nd ed., Cold Spring Harbor Laboratory Press, Cold Spring Harbor, NY; or Winnacker "Genes and Clones", VCH Weinheim 2nd edition 1996
Die Herstellung von Pflanzenzellen mit einer verringerten Aktivität eines Genprodukts kann beispielsweise erzielt werden durch die Expression mindestens einer entsprechenden antisense-RNA, einer sense-RNA zur Erzielung eines Cosuppressionseffektes oder die Expression mindestens eines entsprechend konstruierten Ribozyms, das spezifisch Transkripte des obengenannten Genprodukts spaltet. Hierzu können zum einen DNA-Moleküle verwendet werden, die die gesamte codierende Sequenz eines Genprodukts einschließlich eventuell vorhandener flankierender Sequenzen umfassen, als auch DNA-Moleküle, die nur Teile der codierenden Sequenz umfassen, wobei diese Teile lang genug sein müssen, um in den Zellen einen antisense-Effekt zu bewirken. Möglich ist auch die Verwendung von DNA-Sequenzen, die einen hohen Grad an Homologie zu den codiereden Sequenzen eines Genprodukts aufweisen, aber nicht vollkommen identisch sind. The production of plant cells with a reduced activity of a gene product can be achieved, for example, by expressing at least one corresponding antisense RNA, a sense RNA to achieve a cosuppression effect or the expression of at least one correspondingly constructed ribozyme that specifically cleaves transcripts of the above gene product. For this purpose, on the one hand, DNA molecules can be used which include the entire coding sequence of a gene product, including any flanking sequences present, as well as DNA molecules which only include parts of the coding sequence, these parts having to be long enough to enter the cells produce 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.
Bei der Expression von Nucleinsäuremolekülen in Pflanzen kann das synthetisierte Protein in jedem beliebigen Kompartiment der pflanzlichen Zelle lokalisiert sein. Um aber die Lokalisation in einem bestimmten Kompartiment zu erreichen, kann z.B. die codierende Region mit DNA-Sequenzen verknüpft werden, die die Lokalisierung in einem bestimmten Kompartiment gewährleisten. Derartige Sequenzen sind dem Fachmann bekannt (siehe beispielsweise Braun et al., EMBO J. 11 (1992), 3219- 3227; Wolter et al., Proc. Natl. Acad. Sei. USA 85 (1988), 846-850; Sonnewald et al., Plant J. 1 (1991), 95-106). Die Expression der Nukleinsäuremoleküle kann auch in den Organellen der Pflanzenzellen stattfinden.
Die transgenen Pflanzenzellen können nach bekannten Techniken zu ganzen Pflanzen regeneriert werden. Bei den transgenen Pflanzen kann es sich prinzipiell um Pflanzen jeder beliebigen Pflanzenspezies handeln, d.h., sowohl monokotyle als auch dikotyle Pflanzen. So sind transgene Pflanzen erhältlich, die veränderte Eigenschaften durch Überexpression, Suppression oder Inhibierung homologer (= natürlicher) Gene oder Gensequenzen oder Expression heterologer (= fremder) Gene oder Gensequenzen aufweisen. 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 specific compartment, the coding region can, for example, be linked to DNA sequences which ensure localization in a specific 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. (1991) Plant J. 1:95-106). The expression of the nucleic acid molecules can also take place in the organelles of the plant cells. The transgenic plant cells can be regenerated into whole plants using known techniques. In principle, the transgenic plants can be plants of any desired plant species, ie both monocotyledonous and dicotyledonous plants. It is thus possible to obtain transgenic plants which have modified properties as a result of overexpression, suppression or inhibition of homologous (=natural) genes or gene sequences or expression of heterologous (=foreign) genes or gene sequences.
Vorzugsweise können die erfindungsgemäßen Verbindungen (I) in transgenen Kulturen eingesetzt werden, welche gegen Wuchsstoffe, wie z.B. 2,4-D, Dicamba oder gegen Herbizide, die essentielle Pflanzenenzyme, z.B. Acetolactatsynthasen (ALS), EPSP Synthasen, Glutaminsynthasen (GS) oder Hydoxyphenylpyruvat Dioxygenasen (HPPD) hemmen, respektive gegen Herbizide aus der Gruppe der Sulfonylharnstoffe, der Glyphosate, Glufosinate oder Benzoylisoxazole und analogen Wirkstoffe, oder gegen beliebige Kombinationen dieser Wirkstoffe, resistent sind. The compounds (I) according to the invention can preferably be used in transgenic cultures which are active against growth substances, such as 2,4-D, dicamba or against herbicides, the essential plant enzymes, e.g. acetolactate synthases (ALS), EPSP synthases, glutamine synthases (GS) or hydroxyphenylpyruvate Dioxygenases (HPPD) inhibit or are resistant to herbicides from the group of sulfonylureas, glyphosate, glufosinate or benzoylisoxazoles and analogous active substances, or to any combination of these active substances.
Besonders bevorzugt können die erfindungsgemäßen Verbindungen in transgenen Kulturpflanzen eingesetzt werden, die gegen eine Kombination von Glyphosaten und Glufosinaten, Glyphosaten und Sulfonylharnstoffen oder Imidazolinonen resistent sind. Ganz besonders bevorzugt können die erfindungsgemäßen Verbindungen in transgenen Kulturpflanzen wie z. B. Mais oder Soja mit dem Handelsnamen oder der Bezeichnung OptimumTM GATTM (Glyphosate ALS Tolerant) eingesetzt werden. The compounds according to the invention can particularly preferably be used in transgenic crop plants which are resistant to a combination of glyphosate and glufosinate, glyphosate and sulfonylureas or imidazolinones. Very particularly preferably, the compounds of the invention in transgenic crops such. B. corn or soybean with the trade name or designation OptimumTM GATTM (Glyphosate ALS Tolerant) can be used.
Bei der Anwendung der erfindungsgemäßen Wirkstoffe in transgenen Kulturen treten neben den in anderen Kulturen zu beobachtenden Wirkungen gegenüber Schadpflanzen oftmals Wirkungen auf, die für die Applikation in der jeweiligen transgenen Kultur spezifisch sind, beispielsweise ein verändertes oder speziell erweitertes Unkrautspektrum, das bekämpft werden kann, veränderte Aufwandmengen, die für die Applikation eingesetzt werden können, vorzugsweise gute Kombinierbarkeit mit den Herbiziden, gegenüber denen die transgene Kultur resistent ist, sowie Beeinflussung von Wuchs und Ertrag der transgenen Kulturpflanzen. When the active compounds according to the invention are used in transgenic cultures, in addition to the effects observed in other cultures against harmful plants, there are often effects that are specific to the application in the respective transgenic culture, for example a modified or specially expanded spectrum of weeds that can be controlled Application rates 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.
Gegenstand der Erfindung ist deshalb auch die Verwendung der erfindungsgemäßen Verbindungen der Formel (I) als Herbizide zur Bekämpfung von Schadpflanzen in transgenen Kulturpflanzen. The invention therefore also relates to the use of the compounds of the formula (I) according to the invention as herbicides for controlling harmful plants in transgenic crop plants.
Die erfindungsgemäßen Verbindungen können in Form von Spritzpulvern, emulgierbaren Konzentraten, versprühbaren Lösungen, Stäubemitteln oder Granulaten in den üblichen Zubereitungen angewendet werden. Gegenstand der Erfindung sind deshalb auch herbizide und pflanzenwachstumsregulierende Mittel, welche die erfindungsgemäßen Verbindungen enthalten.
Die erfindungsgemäßen Verbindungen können auf verschiedene Art formuliert werden, je nachdem welche biologischen und/oder chemisch-physikalischen Parameter vorgegeben sind. Als Formulierungsmöglichkeiten kommen beispielsweise in Frage: Spritzpulver (WP), wasserlösliche Pulver (SP), wasserlösliche Konzentrate, emulgierbare Konzentrate (EC), Emulsionen (EW), wie Öl-in-Wasser- und Wasser-in-Öl-Emulsionen, versprühbare Lösungen, Suspensionskonzentrate (SC), Dispersionen auf Öl- oder Wasserbasis, ölmischbare Lösungen, Kapselsuspensionen (CS), Stäubemittel (DP), Beizmittel, Granulate für die Streu- und Bodenapplikation, Granulate (GR) in Form von Mikro-, Sprüh-, Aufzugs- und Adsorptionsgranulaten, wasserdispergierbare Granulate (WG), wasserlösliche Granulate (SG), ULV-Formulierungen, Mikrokapseln und Wachse. Diese einzelnen Formulierungstypen sind im Prinzip bekannt und werden beispielsweise beschrieben in: Winnacker-Küchler, "Chemische Technologie", Band 7, C. Hanser Verlag München, 4. Aufl. 1986, Wade van Valkenburg, "Pesticide Formulations", Marcel Dekker, N.Y., 1973, K. Martens, "Spray Drying" Handbook, 3rd Ed. 1979, G. Goodwin Ltd. London. The compounds according to the invention can be used in the customary preparations in the form of wettable powders, emulsifiable concentrates, sprayable solutions, dusts or granules. The invention therefore also relates to herbicidal and plant growth-regulating compositions which contain the compounds according to the invention. The compounds according to the invention can be formulated in various ways, depending on which biological and/or chemico-physical parameters are given. Examples of possible formulations are: wettable powder (WP), water-soluble powder (SP), water-soluble concentrates, emulsifiable concentrates (EC), emulsions (EW), such as oil-in-water and water-in-oil emulsions, sprayable solutions , suspension concentrates (SC), oil- or water-based dispersions, oil-miscible solutions, capsule suspensions (CS), dusts (DP), dressings, granules for spreading and floor application, granules (GR) in the form of micro, spray, lift - and adsorption granules, water-dispersible granules (WG), water-soluble granules (SG), ULV formulations, microcapsules and waxes. These individual formulation types are known in principle and are described, for example, in: Winnacker-Küchler, "Chemical Technology", Volume 7, C. Hanser Verlag Munich, 4th edition 1986, Wade van Valkenburg, "Pesticide Formulations", Marcel Dekker, NY , 1973, K. Martens, "Spray Drying" Handbook, 3rd Ed. 1979, G Goodwin Ltd. London.
Die notwendigen Formulierungshilfsmittel wie Inertmaterialien, Tenside, Lösungsmittel und weitere Zusatzstoffe sind ebenfalls bekannt und werden beispielsweise beschrieben in: Watkins, "Handbook of Insecticide Dust Diluents and Carriers", 2nd Ed., Darland Books, Caldweh N.J., H.v. Olphen, "Introduction to Clay Colloid Chemistry", 2nd Ed., J. Wiley & Sons, N.Y., C. Marsden, "Solvents Guide", 2nd Ed., Interscience, N.Y. 1963, McCutcheon's "Detergents and Emulsifiers Annual", MC Publ. Corp., Ridgewood N.J., Sisley and Wood, "Encyclopedia of Surface Active Agents", Chem. Publ. Co. Ine., N.Y. 1964, Schönfeldt, "Grenzflächenaktive Äthylenoxid-addukte", Wiss. Verlagsgesell., Stuttgart 1976, Winnacker-Küchler, "Chemische Technologie", Band 7, C. Hanser Verlag München, 4. Aufl. 1986. The necessary formulation aids such as inert materials, surfactants, solvents and other additives are also known and are described, for example, in: Watkins, "Handbook of Insecticide Dust Diluents and Carriers", 2nd Ed., Darland Books, Caldweh N.J., H.v. Olphen, "Introduction to Clay Colloid Chemistry", 2nd Ed., J. Wiley & Sons, N.Y., C. Marsden, "Solvents Guide", 2nd Ed., Interscience, N.Y. 1963, McCutcheon's "Detergents and Emulsifiers Annual", MC Publ. Corp., Ridgewood N.J., Sisley and Wood, "Encyclopedia of Surface Active Agents", Chem. Publ. Co. Ine., N.Y. 1964, Schönfeldt, "Interface-active ethylene oxide adducts", Wiss. Verlagsgesellschaft., Stuttgart 1976, Winnacker-Küchler, "Chemical Technology", Volume 7, C. Hanser Verlag Munich, 4th edition 1986.
Auf der Basis dieser Formulierungen lassen sich auch Kombinationen mit anderen Wirkstoffen, wie z.B. Insektiziden, Akariziden, Herbiziden, Fungiziden, sowie mit Safenern, Düngemitteln und/oder Wachstumsregulatoren herstellen, z.B. in Form einer Fertigformulierung oder als Tankmix. On the basis of these formulations, it is also possible to produce combinations with other active ingredients, such as insecticides, acaricides, herbicides, fungicides, and with safeners, fertilizers and/or growth regulators, e.g. in the form of a ready-to-use formulation or as a tank mix.
Spritzpulver sind in Wasser gleichmäßig dispergierbare Präparate, die neben dem Wirkstoff außer einem Verdünnungs- oder Inertstoff noch Tenside ionischer und/oder nichtionischer Art (Netzmittel, Dispergiermittel), z.B. polyoxyethylierte Alkylphenole, polyoxethylierte Fettalkohole, polyoxethylierte Fettamine, Fettalkoholpolyglykolether-sulfate, Alkansulfonate, Alkylbenzolsulfonate, ligninsulfonsaures Natrium, 2,2'-dinaphthylmethan-6,6'-disulfonsaures Natrium, dibutylnaphthalin-sulfonsaures Natrium oder auch oleoylmethyltaurinsaures Natrium enthalten. Zur Herstellung der Spritzpulver werden die herbiziden Wirkstoffe beispielsweise in üblichen Apparaturen wie Hammermühlen, Gebläsemühlen und Luftstrahlmühlen feingemahlen und gleichzeitig oder anschließend mit den Formulierungshilfsmitteln vermischt.
Emulgierbare Konzentrate werden durch Auflösen des Wirkstoffes in einem organischen Lösungsmittel z.B. Butanol, Cyclohexanon, Dimethylformamid, Xylol oder auch höhersiedenden Aromaten oder Kohlenwasserstoffen oder Mischungen der organischen Lösungsmittel unter Zusatz von einem oder mehreren Tensiden ionischer und/oder nichtionischer Art (Emulgatoren) hergestellt. Als Emulgatoren können beispielsweise verwendet werden: Alkylarylsulfonsaure Calzium-Salze wie Ca-Dodecylbenzolsulfonat oder nichtionische Emulgatoren wie Fettsäurepoly-glykolester, Alkylarylpolyglykolether, Fettalkoholpolyglykolether, Propylenoxid-Ethylen- oxid- Kondensationsprodukte, Alkylpolyether, Sorbitanester wie z.B. Sorbitanfett-säureester oder Polyoxethylensorbitanester wie z.B. Polyoxyethylensorbitan-fettsäureester. Wettable powders are preparations that are uniformly dispersible in water and which, in addition to the active ingredient, contain a diluent or inert substance as well as ionic and/or non-ionic surfactants (wetting agents, dispersing agents), e.g. sodium lignosulfonate, sodium 2,2'-dinaphthylmethane-6,6'-disulfonate, sodium dibutylnaphthalenesulfonate or sodium oleoylmethyltaurine. To prepare the wettable powders, the herbicidal active ingredients are finely ground, for example in conventional 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, for example butanol, cyclohexanone, dimethylformamide, xylene or higher-boiling aromatics or hydrocarbons or mixtures of organic solvents, with the addition of one or more ionic and/or nonionic surfactants (emulsifiers). Examples of emulsifiers that can be used are: alkylarylsulfonic acid calcium salts such as calcium dodecylbenzenesulfonate or nonionic emulsifiers such as 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 polyoxyethylene sorbitan esters such as polyoxyethylene sorbitan fatty acid esters .
Stäubemittel erhält man durch Vermahlen des Wirkstoffes mit fein verteilten festen Stoffen, z.B. Talkum, natürlichen Tonen, wie Kaolin, Bentonit und Pyrophyllit, oder Diatomeenerde. 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.
Suspensionskonzentrate können auf Wasser- oder Ölbasis sein. Sie können beispielsweise durch Naß- Vermahlung mittels handelsüblicher Perlmühlen und gegebenenfalls Zusatz von Tensiden, wie sie z.B. oben bei den anderen Formulierungstypen bereits aufgeführt sind, hergesteht werden. Suspension concentrates can be water or oil based. They can be produced, for example, by wet grinding using commercially available bead mills and optionally adding surfactants, such as those already listed above for the other types of formulation.
Emulsionen, z.B. Öl-in-Wasser-Emulsionen (EW), lassen sich beispielsweise mittels Rührern, Kolloidmühlen und/oder statischen Mischern unter Verwendung von wäßrigen organischen Lösungsmitteln und gegebenenfalls Tensiden, wie sie z.B. oben bei den anderen Formulierungstypen bereits aufgeführt sind, herstellen. Emulsions, e.g. oil-in-water emulsions (EW), can be prepared, for example, using stirrers, colloid mills and/or static mixers using aqueous organic solvents and, if appropriate, surfactants, such as those already listed above for the other types of formulation.
Granulate können entweder durch Verdüsen des Wirkstoffes auf adsorptionsfähiges, granuliertes Inertmaterial hergesteht werden oder durch Aufbringen von Wirkstoffkonzentraten mittels Klebemitteln, z.B. Polyvinylalkohol, polyacrylsaurem Natrium oder auch Mineralölen, auf die Oberfläche von Trägerstoffen wie Sand, Kaolinite oder von granuliertem Inertmaterial. Auch können geeignete Wirkstoffe in der für die Herstellung von Düngemittelgranulaten üblichen Weise - gewünschtenfalls in Mischung mit Düngemitteln - granuliert werden. Granules can either be produced by spraying the active ingredient onto adsorptive, granulated inert material or by applying active ingredient concentrates using adhesives, e.g. polyvinyl alcohol, sodium polyacrylic acid or mineral oils, to 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.
Wasserdispergierbare Granulate werden in der Regel nach den üblichen Verfahren wie Sprühtrocknung, Wirbelbett-Granulierung, Teller-Granulierung, Mischung mit Hochgeschwindigkeitsmischern und Extrusion ohne festes Inertmaterial hergesteht. Water-dispersible granules are generally produced without solid inert material by conventional processes such as spray drying, fluidized bed granulation, pan granulation, mixing with high-speed mixers and extrusion.
Zur Herstellung von Teller-, Fließbett-, Extruder- und Sprühgranulate siehe z.B. Verfahren in "Spray-Drying Handbook" 3rd ed. 1979, G. Goodwin Ltd., London, J.E. Browning, "Agglomeration",
Chemical and Engineering 1967, Seiten 147 ff, "Perry's Chemical Engineer's Handbook", 5th Ed., McGraw-Hill, New York 1973, S. 8-57. For the production of disc, fluidized bed, extruder and spray granules, see, for example, methods in "Spray-Drying Handbook" 3rd ed. 1979, G. Goodwin Ltd., London, JE Browning, "Agglomeration", Chemical and Engineering 1967, pp. 147 ff, "Perry's Chemical Engineer's Handbook", 5th Ed., McGraw-Hill, New York 1973, pp. 8-57.
Für weitere Einzelheiten zur Formulierung von Pflanzenschutzmitteln siehe z.B. G.C. Klingman, "Weed Control as a Science", John Wiley and Sons, Inc., New York, 1961, Seiten 81-96 und J.D. Freyer, S.A. Evans, "Weed Control Handbook", 5th Ed., Blackwell Scientific Publications, Oxford, 1968, Seiten 101-103. For further details on the formulation of crop protection products see, e.g., G.C. Klingman, "Weed Control as a Science", John Wiley and Sons, Inc., New York, 1961, pp. 81-96 and J.D. Freyer, S.A. Evans, "Weed Control Handbook", 5th Ed., Blackwell Scientific Publications, Oxford, 1968, pages 101-103.
Die agrochemischen Zubereitungen enthalten in der Regel 0.1 bis 99 Gew.-%, insbesondere 0.1 bis 95 Gew.-%, erfindungsgemäße Verbindungen. In Spritzpulvern beträgt die Wirkstoff-konzentration z.B. etwa 10 bis 90 Gew.-%, der Rest zu 100 Gew.-% besteht aus üblichen Formulierungsbestandteilen. Bei emulgierbaren Konzentraten kann die Wirkstoffkonzentration etwa 1 bis 90, vorzugsweise 5 bis 80 Gew.-% betragen. Staubförmige Formulierungen enthalten 1 bis 30 Gew.-% Wirkstoff, vorzugsweise meistens 5 bis 20 Gew.-% an Wirkstoff, versprühbare Lösungen enthalten etwa 0.05 bis 80, vorzugsweise 2 bis 50 Gew.-% Wirkstoff. Bei wasser-dispergierbaren Granulaten hängt der Wirkstoffgehalt zum Teil davon ab, ob die wirksame Verbindung flüssig oder fest vorliegt und welche Granulierhilfsmittel, Füllstoffe usw. verwendet werden. Bei den in Wasser dispergierbaren Granulaten liegt der Gehalt an Wirkstoff beispielsweise zwischen 1 und 95 Gew.-%, vorzugsweise zwischen 10 und 80 Gew.-%. The agrochemical preparations generally contain 0.1 to 99% by weight, in particular 0.1 to 95% by weight, of compounds according to the invention. In wettable powders, for example, the active substance concentration is about 10 to 90% by weight, the remainder to 100% by weight consists of the usual formulation components. In the case of emulsifiable concentrates, the active substance concentration can be about 1 to 90% by weight, preferably 5 to 80% by weight. Formulations in dust form contain 1 to 30% by weight of active ingredient, preferably mostly 5 to 20% by weight of active ingredient, and sprayable solutions contain about 0.05 to 80% by weight, preferably 2 to 50% by weight of active ingredient. In the case of water-dispersible granules, the active ingredient content depends in part on whether the active compound is in liquid or solid form and on the granulation aids, fillers, etc. used. In the case of the water-dispersible granules, the active substance content is, for example, between 1 and 95% by weight, preferably between 10 and 80% by weight.
Daneben enthalten die genannten Wirkstofformulierungen gegebenenfalls die jeweils üblichen Haft-, Netz-, Dispergier-, Emulgier-, Penetrations-, Konservierungs-, Frostschutz- und Lösungsmittel, Füll-, Träger- und Farbstoffe, Entschäumer, Verdunstungshemmer und den pH-Wert und die Viskosität beeinflussende Mittel. In addition, the active ingredient formulations mentioned optionally contain the customary adhesives, wetting agents, dispersants, emulsifiers, penetration agents, preservatives, antifreeze agents and solvents, fillers, carriers and dyes, defoamers, evaporation inhibitors and the pH and the Viscosity affecting agents.
Auf der Basis dieser Formulierungen lassen sich auch Kombinationen mit anderen pestizid wirksamen Stoffen, wie z.B. Insektiziden, Akariziden, Herbiziden, Fungiziden, sowie mit Safenern, Düngemitteln und/oder Wachstumsregulatoren herstellen, z.B. in Form einer Fertigformulierung oder als Tankmix. On the basis of these formulations, combinations with other pesticidally active substances, such as insecticides, acaricides, herbicides, fungicides, and with safeners, fertilizers and/or growth regulators can also be produced, e.g. in the form of a ready-to-use formulation or as a tank mix.
Zur Anwendung werden die in handelsüblicher Form vorliegenden Formulierungen gegebenenfalls in üblicher Weise verdünnt z.B. bei Spritzpulvern, emulgierbaren Konzentraten, Dispersionen und wasserdispergierbaren Granulaten mittels Wasser. Staubförmige Zubereitungen, Boden- bzw. Streugranulate sowie versprühbare Lösungen werden vor der Anwendung üblicherweise nicht mehr mit weiteren inerten Stoffen verdünnt. For use, the formulations, which are in the commercially available form, are diluted, if appropriate, in the customary manner, e.g. with water in the case of wettable powders, emulsifiable concentrates, dispersions and water-dispersible granules. Preparations in the form of dust, ground or granulated granules and sprayable solutions are usually not diluted with other inert substances before use.
Mit den äußeren Bedingungen wie Temperatur, Feuchtigkeit, der Art des verwendeten Herbizids, u.a. variiert die erforderliche Aufwandmenge der Verbindungen der Formel (I). Sie kann innerhalb weiter
Grenzen schwanken, z.B. zwischen 0,001 und 10,0 kg/ha oder mehr Aktivsubstanz, vorzugsweise liegt sie jedoch zwischen 0,005 bis 5 kg/ha, weiter bevorzugt im Bereich von 0,01 bis 1,5 kg/ha, insbesondere bevorzugt im Bereich von 0,05 bis 1 kg/ha g/ha. Dies gilt sowohl für die Anwendung im Vorauflauf oder im Nachauflauf. The required application rate of the compounds of the formula (I) varies with the external conditions such as temperature, humidity, the type of herbicide used, etc. You can continue within Limits vary, for example between 0.001 and 10.0 kg/ha or more active substance, but it is preferably between 0.005 and 5 kg/ha, more preferably in the range from 0.01 to 1.5 kg/ha, particularly preferably in the range of 0.05 to 1 kg/ha g/ha. This applies to both pre-emergence and post-emergence application.
Trägerstoff bedeutet eine natürliche oder synthetische, organische oder anorganische Substanz, mit welchen die Wirkstoffe zur besseren Anwendbarkeit, v.a. zum Aufbringen auf Pflanzen oder Pflanzenteile oder Saatgut, gemischt oder verbunden sind. Der Trägerstoff, welcher fest oder flüssig sein kann, ist im Allgemeinen inert und sollte in der Landwirtschaft verwendbar sein. Carrier means a natural or synthetic, organic or inorganic substance with which the active ingredients are mixed or combined for better applicability, especially for application to plants or parts of plants or seeds. The carrier, which may be solid or liquid, is generally inert and should be agriculturally useful.
Als feste oder flüssige Trägerstoffe kommen infrage: z.B. Ammoniumsalze und natürliche Gesteins mehle, wie Kaoline, Tonerden, Talkum, Kreide, Quarz, Attapulgit, Montmorillonit oder Diatomeenerde und synthetische Gesteinsmehle, wie hochdisperse Kieselsäure, Aluminiumoxid und natürliche oder synthetische Silikate, Harze, Wachse, feste Düngemittel, Wasser, Alkohole, besonders Butanol, organische Solventien, Mineral- und Pflanzenöle sowie Derivate hiervon. Mischungen solcher Trägerstoffe können ebenfalls verwendet werden. Als feste Trägerstoffe für Granulate kommen infrage: z.B. gebrochene und fraktionierte natürliche Gesteine wie Calcit, Marmor, Bims, Sepiolith, Dolomit sowie synthetische Granulate aus anorganischen und organischen Mehlen sowie Granulate aus organischem Material wie Sägemehl, Kokosnussschalen, Maiskolben und Tabakstängel. Suitable solid or liquid carriers are: e.g. ammonium salts and ground natural minerals such as kaolin, clay, talc, chalk, quartz, attapulgite, montmorillonite or diatomaceous earth and ground synthetic minerals such as highly disperse silica, aluminum oxide and natural or synthetic silicates, resins, waxes, solid fertilizers, water, alcohols, especially butanol, organic solvents, mineral and vegetable oils and derivatives thereof. Mixtures of such excipients can also be used. Suitable solid carriers for granules are: e.g. broken and fractionated natural rocks such as calcite, marble, pumice, sepiolite, dolomite and synthetic granules made from inorganic and organic flours and granules made from organic material such as sawdust, coconut shells, corn cobs and tobacco stalks.
Als verflüssigte gasförmige Streckmittel oder Trägerstoffe kommen solche Flüssigkeiten infrage, welche bei normaler Temperatur und unter Normaldruck gasförmig sind, z.B. Aerosol-Treibgase, wie Halogenkohlenwasserstoffe, sowie Butan, Propan, Stickstoff und Kohlendioxid. Suitable liquefied gaseous extenders or carriers are liquids which are gaseous at normal temperature and under normal pressure, e.g. aerosol propellants such as halogenated hydrocarbons, as well as butane, propane, nitrogen and carbon dioxide.
Es können in den Formulierungen Haftmittel wie Carboxymethylcellulose, natürliche und synthetische pulverige, körnige oder latexförmige Polymere verwendet werden, wie Gummiarabikum, Polyvinylalkohol, Polyvinylacetat, sowie natürliche Phospholipide, wie Kephaline und Lecithine, und synthetische Phospholipide. Weitere Additive können mineralische und vegetabile Öle sein. Adhesives such as carboxymethylcellulose, natural and synthetic polymers in powder, granular or latic form, such as gum arabic, polyvinyl alcohol, polyvinyl acetate, and natural phospholipids, such as cephalins and lecithins, and synthetic phospholipids can be used in the formulations. Further additives can be mineral and vegetable oils.
Im Falle der Benutzung von Wasser als Streckmittel können z.B. auch organische Lösungsmittel als Hilfslösungsmittel verwendet werden. Als flüssige Lösungsmittel kommen im Wesentlichen infrage: Aromaten, wie Xylol, Toluol oder Alkylnaphthaline, chlorierte Aromaten oder chlorierte aliphatische Kohlenwasserstoffe, wie Chlorbenzole, Chlorethylene oder Dichlormethan, aliphatische Kohlenwasser stoffe, wie Cyclohexan oder Paraffine, z.B. Erdölfraktionen, mineralische und pflanzliche Öle,If water is used as an extender, for example, organic solvents can also be used as auxiliary solvents. Essential liquid solvents are: aromatics such as xylene, toluene or alkyl naphthalenes, chlorinated aromatics or chlorinated aliphatic hydrocarbons such as chlorobenzenes, chloroethylene or dichloromethane, aliphatic hydrocarbons such as cyclohexane or paraffins, e.g. petroleum fractions, mineral and vegetable oils,
Alkohole, wie Butanol oder Glykol sowie deren Ether und Ester, Ketone, wie Aceton, Methyl- ethylketon, Methylisobutylketon oder Cyclohexanon, stark polare Lösungsmittel wie Dimethyl formamid und Dimethylsulfoxid, sowie Wasser. Alcohols such as butanol or glycol and their ethers and esters, ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone, strongly polar solvents such as dimethyl formamide and dimethyl sulfoxide, and water.
Die erfindungsgemäßen Mittel können zusätzlich weitere Bestandteile enthalten, wie z.B. oberflächenaktive Stoffe. Als oberflächenaktive Stoffe kommen Emulgier- und/oder Schaum erzeugende Mittel, Dispergiermittel oder Benetzungsmittel mit ionischen oder nicht-ionischen
Eigenschaften oder Mischungen dieser oberflächenaktiven Stoffe infrage. Beispiele hierfür sind Salze von Polyacrylsäure, Salze von Lignosulphonsäure, Salze von Phenolsulphonsäure oder Naphthalinsulphonsäure, Polykondensate von Ethylenoxid mit Fettalkoholen oder mit Fettsäuren oder mit Fettaminen, substituierten Phenolen (vorzugsweise Alkylphenole oder Arylphenole), Salze von Sulphobernsteinsäureestern, Taurinderivate (vorzugsweise Alkyltaurate), Phosphorsäureester von polyethoxylierten Alkoholen oder Phenole, Fettsäureester von Polyolen, und Derivate der Verbindungen enthaltend Sulphate, Sulphonate und Phosphate, z.B. Alkylarylpolyglycolether, Alkylsulfonate, Alkyl sulfate, Arylsulfonate, Eiweißhydrolysate, Fignin-Sulfitablaugen und Methylcellulose. Die Anwesenheit einer oberflächenaktiven Substanz ist notwendig, wenn einer der Wirkstoff und/oder einer der inerten Trägerstoffe nicht in Wasser löslich ist und wenn die Anwendung in Wasser erfolgt. Der Anteil an oberflächenaktiven Stoffen liegt zwischen 5 und 40 Gewichtsprozent des erfindungsgemäßen Mittels.The agents according to the invention can also contain other components, such as surface-active substances. Emulsifying and/or foaming agents, dispersing agents or wetting agents with ionic or non-ionic ones come as surface-active substances Properties or mixtures of these surfactants in question. Examples include salts of polyacrylic acid, salts of lignosulphonic acid, salts of phenolsulphonic acid or naphthalenesulphonic acid, polycondensates of ethylene oxide with fatty alcohols or with fatty acids or with fatty amines, substituted phenols (preferably alkylphenols or arylphenols), salts of sulphosuccinic esters, taurine derivatives (preferably alkyl taurates), phosphoric esters of polyethoxylated alcohols or phenols, fatty acid esters of polyols, and derivatives of compounds containing sulfates, sulfonates and phosphates, for example alkylaryl polyglycol ethers, alkyl sulfonates, alkyl sulfates, aryl sulfonates, protein hydrolysates, fignin sulfite waste liquors and methylcellulose. The presence of a surfactant is necessary when one of the active ingredients and/or one of the inert carriers is not water-soluble and when the application is in water. The proportion of surface-active substances is between 5 and 40 percent by weight of the agent according to the invention.
Es können Farbstoffe wie anorganische Pigmente, z.B. Eisenoxid, Titanoxid, Ferrocyanblau und organische Farbstoffe, wie Alizarin-, Azo- und Metallphthalocyaninfarbstoffe und Spurennährstoffe, wie Salze von Eisen, Mangan, Bor, Kupfer, Kobalt, Molybdän und Zink verwendet werden. Dyes such as inorganic pigments such as iron oxide, titanium oxide, ferrocyanide and organic dyes such as alizarin, azo and metal phthalocyanine dyes and trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum and zinc can be used.
Gegebenenfalls können auch andere zusätzliche Komponenten enthalten sein, z.B. schützende Kolloide, Bindemittel, Klebstoffe, Verdicker, thixotrope Stoffe, Penetrationsförderer, Stabilisatoren, Sequestiermittel, Komplexbildner. Im Allgemeinen können die Wirkstoffe mit jedem festen oder flüssigen Additiv, welches für Formulierungszwecke gewöhnlich verwendet wird, kombiniert werden. Im Allgemeinen enthalten die erfindungsgemäßen Mittel und Formulierungen zwischen 0,05 und 99 Gew.-%, 0,01 und 98 Gew.-%, vorzugsweise zwischen 0,1 und 95 Gew.-%, besonders bevorzugt zwischen 0,5 und 90 % Wirkstoff, ganz besonders bevorzugt zwischen 10 und 70 Gewichtsprozent. Die erfindungsgemäßen Wirkstoffe bzw. Mittel können als solche oder in Abhängigkeit von ihren je weiligen physikalischen und/oder chemischen Eigenschaften in Form ihrer Formulierungen oder den daraus bereiteten Anwendungsformen, wie Aerosole, Kapselsuspensionen, Kaltnebelkonzentrate, Heißnebelkonzentrate, verkapselte Granulate, Feingranulate, fließfähige Konzentrate für die Behandlung von Saatgut, gebrauchsfertige Fösungen, verstäubbare Pulver, emulgierbare Konzentrate, Öl-in-Wasser-Emulsionen, Wasser-in-Öl-Emulsionen, Makrogranulate, Mikrogranulate, Öl dispergierbare Pulver, Öl mischbare fließfähige Konzentrate, Öl mischbare Flüssigkeiten, Schäume, Pasten, Pestizid ummanteltes Saatgut, Suspensionskonzentrate, Suspensions-Emulsions-Konzentrate, lösliche Konzentrate, Suspensionen, Spritzpulver, lösliche Pulver, Stäubemittel und Granulate, wasser lösliche Granulate oder Tabletten, wasserlösliche Pulver für Saatgut-behandlung, benetzbare Pulver, Wirkstoff-imprägnierte Natur- und synthetische Stoffe sowie Feinstverkapselungen in polymeren Stoffen und in Hüllmassen für Saatgut, sowie UFV-Kalt- und Warmnebel-Formulierungen eingesetzt werden.
Die genannten Formulierungen können in an sich bekannter Weise hergestellt werden, z.B. durch Ver mischen der Wirkstoffe mit mindestens einem üblichen Streckmittel, Lösungs- bzw. Verdünnungs mittel, Emulgator, Dispergier- und/oder Binde- oder Fixiermittels, Netzmittel, Wasser-Repellent, gegebenenfalls Sikkative und UV-Stabilisatoren und gegebenenfalls Farbstoffen und Pigmenten, Entschäumer, Konservierungsmittel, sekundäre Verdickungsmittel, Kleber, Gibberelline sowie weiteren Verarbeitungshilfsmitteln. If appropriate, other additional components can also be present, for example protective colloids, binders, adhesives, thickeners, thixotropic substances, penetrants, stabilizers, sequestering agents, complexing agents. In general, the active ingredients can be combined with any solid or liquid additive commonly used for formulation purposes. In general, the agents and formulations according to the invention contain between 0.05 and 99% by weight, 0.01 and 98% by weight, preferably between 0.1 and 95% by weight, particularly preferably between 0.5 and 90% Active ingredient, most preferably between 10 and 70 percent by weight. The active ingredients or agents according to the invention can be used as such or depending on their respective physical and / or chemical properties in the form of their formulations or the use forms prepared therefrom, such as aerosols, capsule suspensions, cold mist concentrates, hot mist concentrates, encapsulated granules, fine granules, flowable concentrates for Treatment of seeds, ready-to-use solutions, dustable powders, emulsifiable concentrates, oil-in-water emulsions, water-in-oil emulsions, macrogranules, microgranules, oil-dispersible powders, oil-miscible flowable concentrates, oil-miscible liquids, foams, pastes, Pesticide-coated seeds, suspension concentrates, suspension-emulsion concentrates, soluble concentrates, suspensions, wettable powders, soluble powders, dusts and granules, water-soluble granules or tablets, water-soluble powders for seed treatment, wettable powders, drug-impregnated natural and synthetic chemical substances as well as fine encapsulations in polymeric substances and in coating materials for seeds, as well as UFV cold and warm fog formulations. The formulations mentioned can be prepared in a manner known per se, for example by mixing the active ingredients with at least one conventional extender, solvent or diluent, emulsifier, dispersant and/or binder or fixative, wetting agent, water repellent, if appropriate Siccatives and UV stabilizers and optionally dyes and pigments, defoamers, preservatives, secondary thickeners, adhesives, gibberellins and other processing aids.
Die erfindungsgemäßen Mittel umfassen nicht nur Formulierungen, welche bereits anwendungsfertig sind und mit einer geeigneten Apparatur auf die Pflanze oder das Saatgut ausgebracht werden können, sondern auch kommerzielle Konzentrate, welche vor Gebrauch mit Wasser verdünnt werden müssen. Die erfindungsgemäßen Wirkstoffe können als solche oder in ihren (handelsüblichen) Formulierungen sowie in den aus diesen Formulierungen bereiteten Anwendungsformen in Mischung mit anderen (bekannten) Wirkstoffen, wie Insektiziden, Fockstoffen, Sterilantien, Bakteriziden, Akariziden, Nema- tiziden, Fungiziden, Wachstumsregulatoren, Herbiziden, Düngemitteln, Safener bzw. Semiochemicals vorliegen. The agents according to the invention include not only formulations which are already ready for use and which can be applied to the plant or the seed using a suitable apparatus, but also commercial concentrates which have to be diluted with water before use. The active ingredients according to the invention can be used as such or in their (commercially available) formulations and in the use forms prepared from these formulations in a mixture with other (known) active ingredients such as insecticides, focking agents, sterilants, bactericides, acaricides, nematicides, fungicides, growth regulators, herbicides , fertilizers, safeners or semiochemicals are present.
Die erfindungsgemäße Behandlung der Pflanzen und Pflanzenteile mit den Wirkstoffen bzw. Mitteln erfolgt direkt oder durch Einwirkung auf deren Umgebung, Febensraum oder Fagerraum nach den üblichen Behandlungsmethoden, z.B. durch Tauchen, (Ver-)Spritzen, (Ver-)Sprühen, Berieseln, Verdampfen, Zerstäuben, Vernebeln, (Ver-)Streuen, Verschäumen, Bestreichen, Verstreichen, Gießen (drenchen), Tröpfchenbewässerung und bei Vermehrungsmaterial, insbesondere bei Samen, weiterhin durch Trockenbeizen, Nassbeizen, Schlämmbeizen, Inkrustieren, ein- oder mehrschichtiges Umhüllen usw. Es ist ferner möglich, die Wirkstoffe nach dem Ultra-Fow- Volume- Verfahren auszubringen oder die Wirkstoffzubereitung oder den Wirkstoff selbst in den Boden zu injizieren. The treatment according to the invention of the plants and parts of plants with the active ingredients or agents takes place directly or by acting on their environment, the fecal space or the fecal space, using the usual treatment methods, e.g. Atomizing, nebulizing, (Ver-) scattering, foaming, brushing, spreading, pouring (drenching), drip irrigation and propagation material, especially seeds, also by dry dressing, wet dressing, slurry dressing, encrusting, single or multi-layer encasing, etc. It is also possible to apply the active ingredients using the ultra-flow volume method or to inject the active ingredient preparation or the active ingredient itself into the soil.
Einer der Vorteile der vorliegenden Erfindung ist es, dass aufgrund der besonderen systemischen Eigenschaften der erfindungsgemäßen Wirkstoffe bzw. Mittel die Behandlung des Saatguts mit diesen Wirkstoffen bzw. Mitteln nicht nur das Saatgut selbst, sondern auch die daraus hervorgehenden Pflanzen nach dem Auflaufen vor phytopathogenen Pilzen schützt. Auf diese Weise kann die unmittelbare Behandlung der Kultur zum Zeitpunkt der Aussaat oder kurz danach entfallen. One of the advantages of the present invention is that due to the special systemic properties of the active ingredients or agents according to the invention, the treatment of the seed with these active ingredients or agents not only protects the seed itself but also the resulting plants from phytopathogenic fungi after emergence . In this way, the immediate treatment of the crop at the time of sowing or shortly thereafter can be omitted.
Ebenso ist es als vorteilhaft anzusehen, dass die erfindungsgemäßen Wirkstoffe bzw. Mittel insbesondere auch bei transgenem Saatgut eingesetzt werden können, wobei die aus diesem Saatgut wachsende Pflanze in der Tage ist, ein Protein zu exprimieren, welches gegen Schädlinge wirkt. Durch die Behandlung solchen Saatguts mit den erfindungsgemäßen Wirkstoffen bzw. Mitteln können bereits durch die Expression des beispielsweise insektiziden Proteins bestimmte Schädlinge bekämpft werden.
Überraschenderweise kann dabei ein weiterer synergistischer Effekt beobachtet werden, welcher zusätzlich die Effektivität zum Schutz gegen den Schädlingsbefall vergrößert. It is also to be regarded as advantageous that the active ingredients or agents according to the invention can also be used in particular in the case of transgenic seed, the plant growing from this seed being able to express a protein which acts against pests. By treating such seed with the active compounds or agents according to the invention, certain pests can already be controlled by the expression of the insecticidal protein, for example. Surprisingly, a further synergistic effect can be observed, which additionally increases the effectiveness of the protection against pest infestation.
Die erfindungsgemäßen Mittel eignen sich zum Schutz von Saatgut jeglicher Pflanzensorte, die in der Landwirtschaft, im Gewächshaus, in Forsten oder im Garten- und Weinbau eingesetzt wird. Insbesondere handelt es sich dabei um Saatgut von Getreide (wie Weizen, Gerste, Roggen, Triticale, Hirse und Hafer), Mais, Baumwolle, Soja, Reis, Kartoffeln, Sonnenblume, Bohne, Kaffee, Rübe (z.B. Zuckerrübe und Futterrübe), Erdnuss, Raps, Mohn, Olive, Kokosnuss, Kakao, Zuckerrohr, Tabak, Gemüse (wie Tomate, Gurke, Zwiebeln und Salat), Rasen und Zierpflanzen (siehe auch unten). Besondere Bedeutung kommt der Behandlung des Saatguts von Getreide (wie Weizen, Gerste, Roggen, Triticale und Hafer), Mais und Reis zu. The agents according to the invention are suitable for protecting seed of any plant variety used in agriculture, in greenhouses, in forests or in horticulture and viticulture. In particular, these are grain seeds (such as wheat, barley, rye, triticale, millet and oats), corn, cotton, soybeans, rice, potatoes, sunflowers, beans, coffee, beet (e.g. sugar beet and fodder beet), peanut, Canola, poppy, olive, coconut, cocoa, sugar cane, tobacco, vegetables (such as tomato, cucumber, onion and lettuce), turf and ornamental plants (see also below). The treatment of grain seeds (such as wheat, barley, rye, triticale and oats), maize and rice is of particular importance.
Wie auch weiter unten beschrieben, ist die Behandlung von transgenem Saatgut mit den erfindungsge mäßen Wirkstoffen bzw. Mitteln von besonderer Bedeutung. Dies betrifft das Saatgut von Pflanzen, die wenigstens ein heterologes Gen enthalten, das die Expression eines Polypeptids oder Proteins mit insektiziden Eigenschaften ermöglicht. Das heterologe Gen in transgenem Saatgut kann z.B. aus Mikroorganismen der Arten Bacillus, Rhizobium, Pseudomonas, Serratia, Trichoderma, Clavibacter, Glomus oder Gliocladium stammen. Bevorzugt stammt dieses heterologe Gen aus Bacillus sp., wobei das Genprodukt eine Wirkung gegen den Maiszünsler (European corn borer) und/oder Western Corn Rootworm besitzt. Besonders bevorzugt stammt das heterologe Gen aus Bacillus thuringiensis. As also described below, the treatment of transgenic seed with the active ingredients or agents according to the invention is of particular importance. This concerns the seeds of plants which contain at least one heterologous gene which enables the expression of a polypeptide or protein with insecticidal properties. The heterologous gene in transgenic seed can be derived, for example, from microorganisms of the species Bacillus, Rhizobium, Pseudomonas, Serratia, Trichoderma, Clavibacter, Glomus or Gliocladium. This heterologous gene preferably originates from Bacillus sp., the gene product having an effect against the corn borer (European corn borer) and/or western corn rootworm. The heterologous gene is particularly preferably derived from Bacillus thuringiensis.
Im Rahmen der vorliegenden Erfindung wird das erfindungsgemäße Mittel alleine oder in einer geeig neten Formulierung auf das Saatgut aufgebracht. Vorzugsweise wird das Saatgut in einem Zustand behandelt, in dem so stabil ist, dass keine Schäden bei der Behandlung auftreten. Im Allgemeinen kann die Behandlung des Saatguts zu jedem Zeitpunkt zwischen der Ernte und der Aussaat erfolgen. Üblicherweise wird Saatgut verwendet, das von der Pflanze getrennt und von Kolben, Schalen, Stängeln, Hülle, Wolle oder Fruchtfleisch befreit wurde. So kann zum Beispiel Saatgut verwendet werden, das geerntet, gereinigt und bis zu einem Feuchtigkeitsgehalt von unter 15 Gew.-% getrocknet wurde. Alternativ kann auch Saatgut verwendet werden, das nach dem Trocknen z.B. mit Wasser behandelt und dann erneut getrocknet wurde. In the context of the present invention, the agent according to the invention is applied to the seed alone or in a suitable formulation. Preferably, the seed is treated in a state in which it is sufficiently stable that no damage occurs during the treatment. In general, seed treatment can be done at any time between harvest and sowing. Usually seeds are used which have been separated from the plant and freed from cobs, husks, stalks, husk, wool or pulp. For example, seed can be used that has been harvested, cleaned and dried to a moisture content of less than 15% by weight. Alternatively, seeds can be used that, after drying, have been treated with e.g. water and then dried again.
Im Allgemeinen muss bei der Behandlung des Saatguts darauf geachtet werden, dass die Menge des auf das Saatgut aufgebrachten erfindungsgemäßen Mittels und/oder weiterer Zusatzstoffe so gewählt wird, dass die Keimung des Saatguts nicht beeinträchtigt bzw. die daraus hervorgehende Pflanze nicht geschädigt wird. Dies ist vor allem bei Wirkstoffen zu beachten, die in bestimmten Aufwandmengen phytotoxische Effekte zeigen können. In general, when treating the seed, care must be taken to ensure that the amount of the agent according to the invention and/or other additives applied to the seed is chosen such that the germination of the seed is not impaired or the resulting plant is not damaged. This is particularly important for active ingredients that can have phytotoxic effects when applied in certain quantities.
Die erfindungsgemäßen Mittel können unmittelbar aufgebracht werden, also ohne weitere Komponenten zu enthalten und ohne verdünnt worden zu sein. In der Regel ist es vorzuziehen, die
Mittel in Form einer geeigneten Formulierung auf das Saatgut aufzubringen. Geeignete Formulierungen und Verfahren für die Saatgutbehandlung sind dem Fachmann bekannt und werden z.B. in den folgenden Dokumenten beschrieben: US 4,272,417 A, US 4,245,432 A, US 4,808,430, US 5,876,739, US 2003/0176428 Al, WO 2002/080675 Al, WO 2002/028186 A2. The agents according to the invention can be applied directly, ie without containing further components and without having been diluted. In general, it is preferable that Apply funds in the form of a suitable formulation to the seed. Suitable formulations and methods for seed treatment are known to those skilled in the art and are described, for example, in the following documents: US Pat. No. 4,272,417 A, US Pat. No. 4,245,432 A, US Pat A2.
Die erfindungsgemäß verwendbaren Wirkstoffe können in die üblichen Beizmittel-Formulierungen überführt werden, wie Lösungen, Emulsionen, Suspensionen, Pulver, Schäume, Slurries oder andere Hüllmassen für Saatgut, sowie ULV-Formulierungen. The active compounds which can be used according to the invention can be converted into the customary seed dressing formulations, such as solutions, emulsions, suspensions, powders, foams, slurries or other coating materials for seed, and also ULV formulations.
Diese Formulierungen werden in bekannter Weise hergesteht, indem man die Wirkstoffe mit üblichen Zusatzstoffen vermischt, wie zum Beispiel übliche Streckmittel sowie Lösungs- oder Verdünnungsmittel, Farbstoffe, Netzmittel, Dispergiermittel, Emulgatoren, Entschäumer, Konser vierungsmittel, sekundäre Verdickungsmittel, Kleber, Gibberelline und auch Wasser. These formulations are produced in a known manner by mixing the active ingredients with customary additives, such as customary extenders and solvents or diluents, dyes, wetting agents, dispersants, emulsifiers, defoamers, preservatives, secondary thickeners, adhesives, gibberellins and also water .
Als Farbstoffe, die in den erfindungsgemäß verwendbaren Beizmittel-Formulierungen enthalten sein können, kommen alle für derartige Zwecke üblichen Farbstoffe in Betracht. Dabei sind sowohl in Wasser wenig lösliche Pigmente als auch in Wasser lösliche Farbstoffe verwendbar. Als Beispiele genannt seien die unter den Bezeichnungen Rhodamin B, C.I. Pigment Red 112 und C.I. Solvent Red 1 bekannten Farbstoffe. Suitable dyes which can be present in the seed-dressing formulations which can be used according to the invention are all dyes customary for such purposes. Both pigments which are sparingly soluble in water and dyes which are soluble in water can be used here. Examples which may be mentioned are those designated Rhodamine B, C.I. Pigment Red 112 and C.I. Solvent Red 1 known dyes.
Als Netzmittel, die in den erfindungsgemäß verwendbaren Beizmittel-Formulierungen enthalten sein können, kommen alle zur Formulierung von agrochemischen Wirkstoffen üblichen, die Benetzung fördernden Stoffe in Frage. Vorzugsweise verwendbar sind Alkylnaphthalin-Sulfonate, wie Diiso- propyl- oder Diisobutyl-naphthalin-Sulfonate. Suitable wetting agents which can be present in the seed-dressing formulations which can be used according to the invention are all the wetting-promoting substances which are customary for the formulation of agrochemical active ingredients. Alkylnaphthalene sulfonates such as diisopropyl or diisobutyl naphthalene sulfonates can preferably be used.
Als Dispergiermittel und/oder Emulgatoren, die in den erfindungsgemäß verwendbaren Beizmittel- Formulierungen enthalten sein können, kommen alle zur Formulierung von agrochemischen Wirkstoffen üblichen nichtionischen, anionischen und kationischen Dispergiermittel in Betracht. Vor zugsweise verwendbar sind nichtionische oder anionische Dispergiermittel oder Gemische von nichtionischen oder anionischen Dispergiermitteln. Als geeignete nichtionische Dispergiermittel sind insbesondere Ethylenoxid-Propylenoxid Blockpolymere, Alkylphenolpolyglykolether sowie Tristryryl- phenolpolyglykolether und deren phosphatierte oder sulfatierte Derivate zu nennen. Geeignete anionische Dispergiermittel sind insbesondere Ligninsulfonate, Polyacrylsäuresalze und Arylsulfonat- Formaldehydkondensate.
Als Entschäumer können in den erfindungsgemäß verwendbaren Beizmittel-Formulierungen alle zur Formulierung von agrochemischen Wirkstoffen üblichen schaumhemmenden Stoffe enthalten sein. Vorzugsweise verwendbar sind Silikonentschäumer und Magnesiumstearat. Suitable dispersants and/or emulsifiers which can be present in the seed-dressing formulations which can be used according to the invention are all nonionic, anionic and cationic dispersants customary for the formulation of agrochemically active compounds. Nonionic or anionic dispersants or mixtures of nonionic or anionic dispersants can preferably be used. Suitable nonionic dispersants include, in particular, ethylene oxide-propylene oxide block polymers, alkylphenol polyglycol ethers and tristryrylphenol polyglycol ethers and their phosphated or sulfated derivatives. Suitable anionic dispersants are, in particular, lignin sulfonates, polyacrylic acid salts and aryl sulfonate-formaldehyde condensates. All foam-inhibiting substances customary for the formulation of agrochemical active substances can be present as foam-inhibiting agents in the seed-dressing formulations which can be used according to the invention. Silicone defoamers and magnesium stearate can preferably be used.
Als Konservierungsmittel können in den erfindungsgemäß verwendbaren Beizmittel-Formulierungen alle für derartige Zwecke in agrochemischen Mitteln einsetzbaren Stoffe vorhanden sein. Beispielhaft genannt seien Dichlorophen und Benzylalkoholhemiformal. All substances which can be used for such purposes in agrochemical agents can be present as preservatives in the seed dressing formulations which can be used according to the invention. Examples include dichlorophene and benzyl alcohol hemiformal.
Als sekundäre Verdickungsmittel, die in den erfindungsgemäß verwendbaren Beizmittel-Formu- lierungen enthalten sein können, kommen alle für derartige Zwecke in agrochemischen Mitteln einsetzbaren Stoffe in Frage. Vorzugsweise in Betracht kommen Cellulosederivate, Acrylsäurederivate, Xanthan, modifizierte Tone und hochdisperse Kieselsäure. Secondary thickeners which can be present in the seed-dressing formulations which can be used according to the invention are all substances which can be used for such purposes in agrochemical compositions. Cellulose derivatives, acrylic acid derivatives, xanthan, modified clays and highly disperse silicic acid are preferred.
Als Kleber, die in den erfindungsgemäß verwendbaren Beizmittel-Formulierungen enthalten sein können, kommen alle üblichen in Beizmitteln einsetzbaren Bindemittel in Frage. Vorzugsweise genannt seien Polyvinylpyrrolidon, Polyvinylacetat, Polyvinylalkohol und Tylose. Suitable adhesives which can be present in the mordant formulations which can be used according to the invention are all the customary binders which can be used in mordants. Polyvinylpyrrolidone, polyvinyl acetate, polyvinyl alcohol and tylose may be mentioned as preferred.
Die erfindungsgemäß verwendbaren Beizmittel-Formulierungen können entweder direkt oder nach vor herigem Verdünnen mit Wasser zur Behandlung von Saatgut der verschiedensten Art, auch von Saatgut transgener Pflanzen, eingesetzt werden. Dabei können im Zusammenwirken mit den durch Expression gebildeten Substanzen auch zusätzliche synergistische Effekte auftreten. The seed dressing formulations which can be used according to the invention can be used either directly or after prior dilution with water for the treatment of seed of all kinds, including seed of transgenic plants. Additional synergistic effects can also occur in interaction with the substances formed by expression.
Zur Behandlung von Saatgut mit den erfindungsgemäß verwendbaren Beizmittel-Formulierungen oder den daraus durch Zugabe von Wasser hergestellten Zubereitungen kommen alle üblicherweise für die Beizung einsetzbaren Mischgeräte in Betracht. Im Einzelnen geht man bei der Beizung so vor, dass man das Saatgut in einen Mischer gibt, die jeweils gewünschte Menge an Beizmittel-Formulierungen entweder als solche oder nach vorherigem Verdünnen mit Wasser hinzufügt und bis zur gleichmäßigen Verteilung der Formulierung auf dem Saatgut mischt. Gegebenenfalls schließt sich ein Trocknungs vorgang an. For the treatment of seed with the seed dressing formulations which can be used according to the invention or the preparations produced therefrom by adding water, all mixing devices which can usually be used for seed dressing can be used. In detail, the dressing is carried out by placing the seed in a mixer, adding the desired amount of dressing formulation either as such or after diluting it with water and mixing until the formulation is evenly distributed on the seed. If necessary, a drying process follows.
Die erfindungsgemäßen Wirkstoffe eignen sich bei guter Pflanzenverträglichkeit, günstiger Warmblütertoxizität und guter Umweltverträglichkeit zum Schutz von Pflanzen und Pflanzenorganen, zur Steigerung der Ernteerträge, Verbesserung der Qualität des Erntegutes. Sie können vorzugsweise als Pflanzenschutzmittel eingesetzt werden. Sie sind gegen normal sensible und resistente Arten sowie gegen alle oder einzelne Entwicklungsstadien wirksam. The active compounds according to the invention are suitable for the protection of plants and plant organs, for increasing crop yields and improving the quality of crops, while being well tolerated by plants, favorable toxicity to warm-blooded animals and good environmental compatibility. They can preferably be used as crop protection agents. They are active against normally sensitive and resistant species and against all or some developmental stages.
Die nachstehenden Beispiele erläutern die Erfindung.
A. Chemische Beispiele Beschreibung der chiralen Trennung The following examples illustrate the invention. A. Chemical examples Description of chiral separation
Die erfindungsgemäßen Verbindungen wurden durch chirale superkritische Flüssigkeitschromatographie (SFC) Trennung der entsprechenden Racemate (Ia) hergestellt. Die Trennung der Enantiomere wurde an einem SFC 100 Gerät der Firma Sepiatec durchgeführt. Beispielhaft sind im Folgenden die Bedingungen der Trennungen beschrieben, die zu den S-Enantiomeren 1-1, 1-2, 1-3, 1-4, 1-5 und 1-6 führten. The compounds according to the invention were prepared by chiral supercritical liquid chromatography (SFC) separation of the corresponding racemates (Ia). The separation of the enantiomers was carried out on a Sepiatec SFC 100 device. The conditions of the separations that led to the S enantiomers 1-1, 1-2, 1-3, 1-4, 1-5 and 1-6 are described below by way of example.
Die Enantiomerenreinheit der getrennten Enantiomere wurden über eine analytische SFC Anlage (Aquity UPC2 der Firma Waters) bestimmt. Sie wird in den unten beschriebenen Beispielen als Enantiomerenüberschuss ee angegeben. Drehwerte wurden an einem Polarimeter der Firma Krüss bestimmt. The enantiomeric purity of the separated enantiomers was determined using an analytical SFC system (Aquity UPC 2 from Waters). It is given as the enantiomeric excess ee in the examples described below. Rotational values were determined using a Krüss polarimeter.
Die S-Konfiguration der Verbindungen 1-1 und 1-5 wurde durch Einkristall-Röntgenstrukturanalyse ermittelt. The S configuration of compounds 1-1 and 1-5 was determined by single-crystal X-ray structure analysis.
Flerstellung von 2-Chlor-N-(l,3,4-oxadiazol-2-yl)-3-[(S)-methylsulfinyl]-4-(trifluormethyl)benzamid FPreparation of 2-Chloro-N-(1,3,4-oxadiazol-2-yl)-3-[(S)-methylsulfinyl]-4-(trifluoromethyl)benzamide F
1 1
Eingesetztes Racemat: 2-Chlor-N-(l,3,4-oxadiazol-2-yl)-3-[(rac)-methylsulfinyl]-4-Racemate used: 2-chloro-N-(1,3,4-oxadiazol-2-yl)-3-[(rac)-methylsulphinyl]-4-
(trifluormethyl)benzamid (Ia-1) (trifluoromethyl)benzamide (Ia-1)
Chirale Säule: Chiracei OX-Fl for SFC; 250 x 20 mm; 5 pm (Chiracei Technologies Europe)Chiral Column: Chiracei OX-Fl for SFC; 250x20mm; 5 pm (Chiracei Technologies Europe)
Injektion: 0,5 ml / Injektion einer Lösung von 850 mg Racemat la-1 in in 19 mlInjection: 0.5 ml / injection of a solution of 850 mg of racemate la-1 in 19 ml
Acetonitril acetonitrile
Flow: 80 ml / min Flow: 80mL/min
Laufmittel: C02 / MeOFl = 85 / 15 Eluent: C0 2 / MeOFl = 85 / 15
Peak: 4,30 - 4,80 min.(S-Enantiomer 1-1) Peak: 4.30 - 4.80 min. (S-Enantiomer 1-1)
Analytik: S -Enantiomer I- 1 ; Analysis: S -enantiomer I- 1 ;
SFC-Säule: Chiracei OX-3 for SFC von Chiral Technologies Europe (0,3 mm x 10cm; 3pm) SFC column: Chiracei OX-3 for SFC from Chiral Technologies Europe (0.3mm x 10cm; 3pm)
Flow = 2 ml / min.; CO2 / MeOFl = 90 / 10 Retentionszeit: 1,95 min. Flow = 2ml/min.; CO2 / MeOFl = 90 / 10 retention time: 1.95 min.
94% ee 94% ee
Drehwert: - 64 0 (MeOFl) Rotation value: - 64 0 (MeOFl)
Die absolute Konfiguration wurde durch Einkristall- Röntgenstrukturanalyse ermittelt. Siehe dazu Abbildung 1.
Herstellung von 2-Chlor-N-(l,3,4-oxadiazol-2-yl)-3-[(S)-methylsulfinyl]-4-(difluormethyl)benzamid 1-2 The absolute configuration was determined by single-crystal X-ray structure analysis. See Figure 1. Preparation of 2-Chloro-N-(1,3,4-oxadiazol-2-yl)-3-[(S)-methylsulfinyl]-4-(difluoromethyl)benzamide 1-2
Eingesetztes Racemat: 2-Chlor-N-(l,3,4-oxadiazol-2-yl)-3-[(rac)-methylsulfinyl]-4- (difluormethyl)benzamid (Ia-2) Racemate used: 2-chloro-N-(1,3,4-oxadiazol-2-yl)-3-[(rac)-methylsulphinyl]-4-(difluoromethyl)benzamide (Ia-2)
Chirale Säule: LuxR 5 mhi Amylose- 1; 250 x 21,2 mm (Phenomenex) Injektion: 0,5 ml / Injektion einer Lösung von 675 g Racemat la-2 in in 17 mlChiral column: Lux R 5 mhi amylose-1; 250 x 21.2 mm (Phenomenex) Injection: 0.5 ml / injection of a solution of 675 g racemate la-2 in 17 ml
Acetonitril acetonitrile
Flow: 80 ml / min Flow: 80mL/min
Laufmittel C02 / MeOH = 75 / 25 Eluent C0 2 / MeOH = 75 / 25
Peak: 1,80 - 2,80 min. (S-Enantiomer 1-2) Peak: 1.80 - 2.80 min. (S-Enantiomer 1-2)
Analytik: S-Enantiomer 1-2 Analysis: S-enantiomer 1-2
SFC-Säule: Lux Amylose 1 von Phenomenex. (0,3 mm x 150 mm; 3mpi) SFC column: Lux Amylose 1 from Phenomenex. (0.3mm x 150mm; 3mpi)
Flow = 2 ml / min.; C02 / MeOH = 90 / 10 Retentionszeit: 1,91 min >99% ee Flow = 2ml/min.; CO 2 / MeOH = 90 / 10 retention time: 1.91 min >99% ee
Drehwert: - 194° (CHCL) Rotation value: - 194° (CHCL)
Die absolute Konfiguration wurde in Analogie zu 1-1 und 1-5 zugeordnet. The absolute configuration was assigned by analogy with 1-1 and 1-5.
Herstellung von 2-Methyl-N-(l,3,4-oxadiazol-2-yl)-3-[(S)-methylsulfmyl]-4-(trifluormethyl)benzamidPreparation of 2-Methyl-N-(1,3,4-oxadiazol-2-yl)-3-[(S)-methylsulfmyl]-4-(trifluoromethyl)benzamide
1-3 1-3
Eingesetztes Racemat: 2-Methyl-N-(l,3,4-oxadiazol-2-yl)-3-[(rac)-methylsulfinyl]-4- (trifluormethyl)benzamid Ia-3 Racemate used: 2-methyl-N-(1,3,4-oxadiazol-2-yl)-3-[(rac)-methylsulphinyl]-4-(trifluoromethyl)benzamide Ia-3
Chirale Säule: Chiracei OX-H for SFC; 250 x 20 mm; 5 mpi (Chiracei Technologies Europe) Chiral Column: Chiracei OX-H for SFC; 250x20mm; 5 mpi (Chiracei Technologies Europe)
Injektion: 0,3 ml / Injektion einer Lösung von 1,73 g Racemat la-3 in in 35 mlInjection: 0.3 ml / injection of a solution of 1.73 g racemate la-3 in 35 ml
Acetonitril acetonitrile
Flow: 80 ml / min Flow: 80mL/min
Laufmittel: C02 / MeOH = 85 / 15 Eluent: C0 2 / MeOH = 85 / 15
Peak: 4,70 - 5,25 min; (S-Enantiomer 1-3)
Analytik: S-Enantiomer 1-3 peak: 4.70 - 5.25 min; (S-Enantiomer 1-3) Analysis: S-enantiomer 1-3
SFC-Säule: Chiracei OX-3 for SFC von Chiral Technologies Europe. (0,3 cm x 10 cm; 3pm) SFC column: Chiracei OX-3 for SFC from Chiral Technologies Europe. (0.3cm x 10cm; 3pm)
Flow = 2 ml / min. (CO2 / MeOH = 90 / 10) Flow = 2mL/min. (CO2/MeOH=90/10)
Retentionszeit: 1,73 min >99% ee Retention time: 1.73 min >99% ee
Drehwert: -86° (MeOH) Rotation value: -86° (MeOH)
Die absolute Konfiguration wurde in Analogie zu 1-1 und 1-5 zugeordnet. The absolute configuration was assigned by analogy with 1-1 and 1-5.
Herstellung von 2-Chlor-N-(5-methyl-l,3,4-oxadiazol-2-yl)-3-[(S)-cyclopropylsulfinyl]-4- (trifluormethyl)benzamid 1-4 Preparation of 2-Chloro-N-(5-methyl-1,3,4-oxadiazol-2-yl)-3-[(S)-cyclopropylsulfinyl]-4-(trifluoromethyl)benzamide 1-4
Eingesetztes Racemat: 2-Chlor-N-(5 -methyl- 1 , 3 ,4-oxadiazol-2-yl) -3 - [(rac) - cyclopropylsulfinyl] -4-(trifluormethyl)benzamid 1 a-4 Racemate used: 2-chloro-N-(5-methyl-1,3,4-oxadiazol-2-yl)-3-[(rac)-cyclopropylsulfinyl]-4-(trifluoromethyl)benzamide 1a-4
Chirale Säule: Chiralpak AZH for SFC; 250 x 20 mm; 5 pm (Chiracei Technologies Europe) Chiral Column: Chiralpak AZH for SFC; 250x20mm; 5 pm (Chiracei Technologies Europe)
Injektion: 0,5 ml / Injektion einer Fösung von 139 mg Racemat la-4 in in 5 mlInjection: 0.5 ml / injection of a solution of 139 mg racemate la-4 in 5 ml
Acetonitril acetonitrile
Flow: 80 ml / min Flow: 80mL/min
Faufmittel C02 / MeOH = 85 / 15 Fire agent C0 2 / MeOH = 85 / 15
Peak: 10,00 - 13,50 min; (S-Enantiomer 1-4) peak: 10.00 - 13.50 min; (S-Enantiomer 1-4)
Analytik: S-Enantiomer 1-4 Analysis: S-enantiomer 1-4
SFC-Säule: Chiracei AZ-3 for SFC von Chiral Technologies Europe (0,3 cm x 10 cm; 3pm) SFC column: Chiracei AZ-3 for SFC from Chiral Technologies Europe (0.3 cm x 10 cm; 3pm)
Flow = 2 ml / min. (CO2 / MeOH = 90 / 10) Flow = 2mL/min. (CO2/MeOH=90/10)
Retentionszeit: 2,22 min. Retention time: 2.22 min.
>99 % ee >99% ee
Drehwert: - 43 °(CHCl3) Rotation value: - 43 °(CHCl3)
Die absolute Konfiguration wurde in Analogie zu 1-1 und 1-5 zugeordnet.
Herstellung von 2-Chlor-N-(5-methyl-l,3,4-oxadiazol-2-yl)-3-[(S)-methylsulfinyl]-4- (trifluormethyl)benzamid 1-5 The absolute configuration was assigned by analogy with 1-1 and 1-5. Preparation of 2-Chloro-N-(5-methyl-1,3,4-oxadiazol-2-yl)-3-[(S)-methylsulfinyl]-4-(trifluoromethyl)benzamide 1-5
Eingesetztes Racemat: 2-Chlor-N-(5 -methyl- 1 , 3 ,4-oxadiazol-2-yl) -3 - [(rac) -methylsulfinyl] -4- (trifluormethyl)benzamid la-5 Racemate used: 2-chloro-N-(5-methyl-1,3,4-oxadiazol-2-yl)-3-[(rac)-methylsulphinyl]-4-(trifluoromethyl)benzamide la-5
Chirale Säule: LuxR 5 mih Amylose- 1; 250 x 21,2 mm (Phenomenex) Injektion: 0,6 ml / Injektion einer Lösung von 100 mg Racemat la-5 in 2 mlChiral column: Lux R 5 mih amylose-1; 250 x 21.2 mm (Phenomenex) Injection: 0.6 ml / injection of a solution of 100 mg racemate la-5 in 2 ml
Methanol methanol
Flow: 80 ml / min Flow: 80mL/min
Laufmittel CO2 / MeOH = 90 / 10 Eluent CO2 / MeOH = 90 / 10
Peak: 4,60 - 6,37 min. (S-Enantiomer 1-5) Peak: 4.60 - 6.37 min. (S-Enantiomer 1-5)
Analytik: S-Enantiomer 1-5 Analysis: S-enantiomer 1-5
SFC-Säule: Chiracei OX-3 for SFC von Chiral Technologies Europe (0,3 cm x 10 cm; 3pm) SFC column: Chiracei OX-3 for SFC from Chiral Technologies Europe (0.3 cm x 10 cm; 3pm)
Flow = 2 ml / min. (C02 / MeOH = 90 / 10) Flow = 2 ml / min. (C02 / MeOH = 90 / 10)
Retentionszeit: 1,79 min >99% ee Retention time: 1.79 min >99% ee
Drehwert: - 69 ° (MeOH) Rotational value: - 69 ° (MeOH)
Die absolute Konfiguration wurde durch Einkristall- Röntgenstrukturanalyse ermittelt. Siehe dazu Abbildung 2. The absolute configuration was determined by single-crystal X-ray structure analysis. See Figure 2.
Herstellung von 2-Chlor-N-(5-methyl-l,3,4-oxadiazol-2-yl)-3-[(S)-methylsulfinyl]-4- (difluormethyl)benzamid 1-6 Preparation of 2-Chloro-N-(5-methyl-1,3,4-oxadiazol-2-yl)-3-[(S)-methylsulfinyl]-4-(difluoromethyl)benzamide 1-6
Eingesetztes Racemat: 2-Chlor-N-(5 -methyl- 1 , 3 ,4-oxadiazol-2-yl) -3 - [(rac) -methylsulfinyl] -4- (difluormethyl)benzamid Ia-6 Racemate used: 2-chloro-N-(5-methyl-1,3,4-oxadiazol-2-yl)-3-[(rac)-methylsulphinyl]-4-(difluoromethyl)benzamide Ia-6
Chirale Säule: Chiracei OX-H for SFC; 250 x 20 mm; 5 pm (Chiracei Technologies Europe) Chiral Column: Chiracei OX-H for SFC; 250x20mm; 5 pm (Chiracei Technologies Europe)
Injektion: 0,5 ml / Injektion einer Lösung von 730 mg Racemat la-6 in 18 mlInjection: 0.5 ml / injection of a solution of 730 mg racemate la-6 in 18 ml
Acetonitril acetonitrile
Flow: 80 ml / min Flow: 80mL/min
Laufmittel C02 / MeOH = 80 / 20 Eluent C0 2 / MeOH = 80 / 20
Peak 3,45 - 4,00 min; S-Enantiomer 1-6
Analytik: S-Enantiomer 1-6 peak 3.45 - 4.00 min; S-enantiomer 1-6 Analysis: S-enantiomer 1-6
SFC-Säule: Chiracei OX-3 for SFC von Chiral Technologies Europe (0,3 cm x 10 cm; 3pm) Flow = 2 ml / min. C02 / MeOH = 90 / 10 SFC column: Chiracei OX-3 for SFC from Chiral Technologies Europe (0.3 cm x 10 cm; 3pm) Flow = 2 ml / min. CO2 / MeOH = 90 / 10
Retentionszeit: 1,83 min. Retention time: 1.83 min.
>99 % ee >99% ee
Dreh wert: - 178 ° (CHCI3) Rotation value: - 178 ° (CHCI3)
Die absolute Konfiguration wurde in Analogie zu 1-1 und 1-5 zugeordnet. The absolute configuration was assigned by analogy with 1-1 and 1-5.
Die verwendeten Abkürzungen bedeuten: The abbreviations used mean:
Me = Methyl c-Pr = Cyclopropyl Me = methyl c-Pr = cyclopropyl
Tabelle 1: Erfindungsgemäße Verbindungen der allgemeinen Formel (I), worin R, X, Z und R' die in Tabelle 1 angegebene Bedeutung hat.
Table 1: Compounds of the general formula (I) according to the invention, in which R, X, Z and R' have the meaning given in Table 1.
B. Formulierungsbeispiele a) Ein Stäubemittel wird erhalten, indem man 10 Gew.-Teile einer Verbindung der Formel (I) und/oder deren Salze und 90 Gew.-Teile Talkum als Inertstoff mischt und in einer Schlagmühle zerkleinert.
b) Ein in Wasser leicht dispergierbares, benetzbares Pulver wird erhalten, indem man 25 Gewichtsteile einer Verbindung der Formel (I) und/oder deren Salze, 64 Gew.-Teile kaolinhaltigen Quarz als Inertstoff, 10 Gewichtsteile ligninsulfonsaures Kalium und 1 Gew.-Teil oleoylmethyltaurinsaures Natrium als Netz- und Dispergiermittel mischt und in einer Stiftmühle mahlt. c) Ein in Wasser leicht dispergierbares Dispersionskonzentrat wird erhalten, indem man 20 Gew.-Teile einer Verbindung der Formel (I) und/oder deren Salze mit 6 Gew.-Teilen Alkylphenolpolyglykolether (©Triton X 207), 3 Gew.-Teilen Isotridecanolpolyglykolether (8 EO) und 71 Gew.-Teilen paraffinischem Mineralöl (Siedebereich z.B. ca. 255 bis über 277 C) mischt und in einer Reibkugelmühle auf eine Feinheit von unter 5 Mikron vermahlt. d) Ein emulgierbares Konzentrat wird erhalten aus 15 Gew.-Teilen einer Verbindung der Formel (I) und/oder deren Salze, 75 Gew.-Teilen Cyclohexanon als Lösungsmittel und 10 Gew.-Teilen oxethyliertes Nonylphenol als Emulgator. e) Ein in Wasser dispergierbares Granulat wird erhalten indem man B. Formulation Examples a) A dust is obtained by mixing 10 parts by weight of a compound of the formula (I) and/or salts thereof and 90 parts by weight of talcum as an inert substance and comminuting in a hammer mill. b) A water-dispersible, wettable powder is obtained by mixing 25 parts by weight of a compound of the formula (I) and/or salts thereof, 64 parts by weight of kaolin-containing quartz as an inert material, 10 parts by weight of potassium lignosulfonate and 1 part by weight mixes sodium oleoylmethyltaurine as a wetting and dispersing agent and grinds it in a pin mill. c) A water-dispersible dispersion concentrate is obtained by mixing 20 parts by weight of a compound of the formula (I) and/or salts thereof with 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, approx. 255 to over 277 C) and ground to a fineness of less than 5 microns in a ball mill. d) An emulsifiable concentrate is obtained from 15 parts by weight of a compound of the formula (I) and/or salts thereof, 75 parts by weight of cyclohexanone as solvent and 10 parts by weight of ethoxylated nonylphenol as emulsifier. e) A water-dispersible granulate is obtained by
75 Gew.-Teile einer Verbindung der Formel (I) und/oder deren Salze, 75 parts by weight of a compound of the formula (I) and/or salts thereof,
10 Gew.-Teile ligninsulfonsaures Calcium, 10 parts by weight of calcium lignosulfonate,
5 Gew.-Teile Natriumlaurylsulfat, 5 parts by weight sodium lauryl sulfate,
3 Gew.-Teile Polyvinylalkohol und 7 Gew.-Teile Kaolin mischt, auf einer Stiftmühle mahlt und das Pulver in einem Wirbelbett durch Aufsprühen von Wasser als Granulierflüssigkeit granuliert. f) Ein in Wasser dispergierbares Granulat wird auch erhalten, indem man 25 Gew.-Teile einer Verbindung der Formel (I) und/oder deren Salze, Mixing 3 parts by weight of polyvinyl alcohol and 7 parts by weight of kaolin, grinding in a pin mill and granulating the powder in a fluidized bed by spraying on water as the granulating liquid. f) A water-dispersible granulate is also obtained by adding 25 parts by weight of a compound of the formula (I) and/or salts thereof,
5 Gew.-Teile 2,2'-dinaphthylmethan-6,6'-disulfonsaures Natrium 5 parts by weight sodium 2,2'-dinaphthylmethane-6,6'-disulfonate
2 Gew.-Teile oleoylmethyltaurinsaures Natrium, 2 parts by weight sodium oleoylmethyltaurate,
1 Gew.-Teil Polyvinylalkohol, 1 part by weight polyvinyl alcohol,
17 Gew.-Teile Calciumcarbonat und 50 Gew.-Teile Wasser auf einer Kolloidmühle homogenisiert und vorzerkleinert, anschließend auf einer Perlmühle mahlt und die so erhaltene Suspension in einem Sprühturm mittels einer Einstoffdüse zerstäubt und trocknet.
C. Biologische Beispiele 17 parts by weight of calcium carbonate and 50 parts by weight of water are homogenized and precomminuted in a colloid mill, then ground in a bead mill and the suspension thus obtained is atomized in a spray tower using a single-component nozzle and dried. C. Biological examples
Die für die Schadpflanzen verwendeten Abkürzungen bedeuten: The abbreviations used for the harmful plants mean:
ABUTH Abutilon theophrasti ALOMY Alopecurus myosuroides ABUTH Abutilon theophrasti ALOMY Alopecurus myosuroides
AVEFA Avena fatua AMARE Amaranthus retroflexus AVEFA Avena fatua AMARE Amaranthus retroflexus
CYPES Cyperus esculentus DIGSA Digitaria sanguinalis CYPES Cyperus esculentus DIGSA Digitaria sanguinalis
ECHCG Echinochloa crus-galli HORMU Hordeum murinum ECHCG Echinochloa crus-galli HORMU Hordeum murinum
LOLMU Lolium multiflorum LOLRI Lolium rigidum MATIN Matricaria inodora PHBPU Pharbitis purpurea LOLMU Lolium multiflorum LOLRI Lolium rigidum MATIN Matricaria inodora PHBPU Pharbitis purpurea
POLCO Polygonum convolvulus SETVI Setaria viridis STEME Stellaria media VERPE Veronica persica POLCO Polygonum convolvulus SETVI Setaria viridis STEME Stellaria media VERPE Veronica persica
VIOTR Viola tricolor VIOTR viola tricolor
BRSNW Brassica napus (Winterraps) GLXMA Glycine max (Soya) BRSNW Brassica napus (Winter oilseed rape) GLXMA Glycine max (Soya)
ORYZA Oryza sativa (Reis) TRZAS Triticum aestiva (Weichweizen)ORYZA Oryza sativa (rice) TRZAS Triticum aestiva (common wheat)
ZEAMX Zea mays (Mais) ZEAMX Zea mays (maize)
1. Herbizide Wirkung gegen Schadpflanzen im Vorauflauf 1. Pre-emergence herbicidal action against harmful plants
Samen von mono- bzw. dikotylen Unkraut- bzw. Kulturpflanzen werden in Holzfasertöpfen in sandiger Lehmerde ausgelegt und mit Erde abgedeckt. Die in Form von benetzbaren Pulvern (WP) oder als Emulsionskonzentrate (EC) formulierten erfindungsgemäßen Verbindungen werden dann als wäßrige Suspension bzw. Emulsion mit einer Wasseraufwandmenge von umgerechnet 600 bis 800 1/ha unter Zusatz von 0,2% Netzmittel auf die Oberfläche der Abdeckerde appliziert. Nach der Behandlung werden die Töpfe im Gewächshaus aufgestellt und unter guten Wachstumsbedingungen für die Testpflanzen gehalten. Die visuelle Bonitur der Schäden an den Versuchspflanzen erfolgt nach einer Versuchszeit von 3 Wochen im Vergleich zu unbehandelten Kontrollen (herbizide Wirkung in Prozent (%): 100% Wirkung = Pflanzen sind abgestorben, 0 % Wirkung = wie Kontrollpflanzen). Dabei zeigten zahlreiche erfindungsgemäße Verbindungen eine sher gute Wirkung gegen eine Vielzahl bedeutender Schad pflanzen. Die nachfolgenden Tabellen zeigen beispielhaft die herbizide Wirkung der erfindungsgemäßen Verbindungen im Nachauflauf, wobei die herbizide Wirkung in Prozent angegeben ist.
Tabelle la: Vorauflaufwirkung bei 20g/ha gegen ALOMY in %
Tabelle lb: Vorauflaufwirkung bei 80g/ha gegen ALOMY in %
Seeds of monocotyledonous or dicotyledonous weeds or crop plants are laid out in sandy loam soil in wood fiber pots and covered with soil. The compounds according to the invention formulated in the form of wettable powders (WP) or as emulsion concentrates (EC) are then applied to the surface of the covering soil as an aqueous suspension or emulsion with a water application rate of the equivalent of 600 to 800 l/ha with the addition of 0.2% wetting agent applied. After treatment, the pots are placed in the greenhouse and maintained under good growth conditions for the test plants. The damage to the test plants is assessed visually after a test period of 3 weeks in comparison with untreated controls (herbicidal activity in percent (%): 100% activity=plants have died, 0% activity=like control plants). Numerous compounds according to the invention showed a very good action against a large number of important harmful plants. The tables below show, by way of example, the post-emergence herbicidal action of the compounds according to the invention, the herbicidal action being given as a percentage. Table la: Pre-emergence effect at 20g/ha against ALOMY in % Table lb: Pre-emergence effect at 80g/ha against ALOMY in %
Tabelle 2a: Vorauflaufwirkung bei 20g/ha gegen AMARE in %
Table 2a: Pre-emergence effect at 20g/ha against AMARE in %
Tabelle 2b: Vorauflaufwirkung bei 80g/ha gegen AMARE in %
Tabelle 3: Vorauflaufwirkung bei 80g/ha gegen AVEFA in %
Tabelle 4a: Vorauflaufwirkung bei 20g/ha gegen DIGSA in %
Table 2b: Pre-emergence effect at 80g/ha against AMARE in % Table 3: Pre-emergence effect at 80g/ha against AVEFA in % Table 4a: Pre-emergence effect at 20g/ha against DIGSA in %
Tabelle 4b: Vorauflaufwirkung bei 80g/ha gegen DIGSA in %
Table 4b: Pre-emergence effect at 80g/ha against DIGSA in %
Tabelle 5a: Vorauflaufwirkung bei 5g/ha gegen ECHCG in %
Table 5a: Pre-emergence effect at 5g/ha against ECHCG in %
Tabelle 5b: Vorauflaufwirkung bei 20g/ha gegen ECHCG in %
Tabelle 5c: Vorauflaufwirkung bei 80g/ha gegen ECHCG in %
Table 5b: Pre-emergence effect at 20g/ha against ECHCG in % Table 5c: Pre-emergence effect at 80g/ha against ECHCG in %
Tabelle 6: Vorauflaufwirkung bei 80g/ha gegen LOLRI in %
Tabelle 7a: Vorauflaufwirkung bei 20g/ha gegen MATIN in %
Table 6: Pre-emergence effect at 80g/ha against LOLRI in % Table 7a: Pre-emergence effect at 20g/ha against MATIN in %
Tabelle 7b: Vorauflaufwirkung bei 80g/ha gegen MATIN in %
Tabelle 8: Vorauflaufwirkung bei 80g/ha gegen PHBPU in %
Tabelle 9: Vorauflaufwirkung bei 80g/ha gegen POLCO in %
Table 7b: Pre-emergence effect at 80g/ha against MATIN in % Table 8: Pre-emergence effect at 80g/ha against PHBPU in % Table 9: Pre-emergence effect at 80g/ha against POLCO in %
Tabelle 10a: Vorauflaufwirkung bei 5g/ha gegen SETVI in %
Table 10a: Pre-emergence effect at 5g/ha against SETVI in %
Tabelle 10b: Vorauflaufwirkung bei 20g/ha gegen SETVI in %
Table 10b: Pre-emergence effect at 20g/ha against SETVI in %
Tabelle 10c: Vorauflaufwirkung bei 80g/ha gegen SETVI in %
Tabelle 11a: Vorauflaufwirkung bei 20g/ha gegen STEME in %
Table 10c: Pre-emergence effect at 80g/ha against SETVI in % Table 11a: Pre-emergence effect at 20g/ha against STEME in %
Tabelle 11b: Vorauflaufwirkung bei 80g/ha gegen STEME in %
Tabelle 12a: Vorauflaufwirkung bei 20g/ha gegen VERPE in %
Table 11b: Pre-emergence effect at 80g/ha against STEME in % Table 12a: Pre-emergence effect at 20g/ha against VERPE in %
Tabelle 12b: Vorauflaufwirkung bei 80g/ha gegen VERPE in %
Table 12b: Pre-emergence effect at 80g/ha against VERPE in %
Tabelle 13a: Vorauflaufwirkung bei 20g/ha gegen VIOTR in %
Tabelle 13b: Vorauflaufwirkung bei 80g/ha gegen VIOTR in %
Table 13a: Pre-emergence effect at 20g/ha against VIOTR in % Table 13b: Pre-emergence effect at 80g/ha against VIOTR in %
2. Herbizide Wirkung gegen Schadpflanzen im Nachauflauf Samen von mono- bzw. dikotylen Unkraut- bzw. Kulturpflanzen werden in Holzfasertöpfen in sandigem Lehmboden ausgelegt, mit Erde abgedeckt und im Gewächshaus unter guten Wachstumsbedingungen angezogen. 2 bis 3 Wochen nach der Aussaat werden die Versuchspflanzen im Einblattstadium behandelt. Die in Form von benetzbaren Pulvern (WP) oder als Emulsionskonzentrate (EC) formulierten erfindungsgemäßen Verbindungen werden dann als wäßrige Suspension bzw. Emulsion mit einer Wasseraufwandmenge von umgerechnet 600 bis 8001/ha unter Zusatz von 0,2% Netzmittel auf die grünen Pflanzenteile gesprüht. Nach ca. 3 Wochen Standzeit der Versuchspflanzen im Gewächshaus unter optimalen Wachstumsbedingungen wird die Wirkung der Präparate visuell im Vergleich zu unbehandelten Kontrollen bonitiert (herbizide Wirkung in Prozent (%): 100% Wirkung = Pflanzen sind abgestorben, 0 % Wirkung = wie Kontrollpflanzen). Dabei zeigten zahlreiche erfindungsgemäße Verbindungen eine sehr gute Wirkung gegen eine Vielzahl bedeutender Schadpflanzen. Die nachfolgenden Tabellen zeigen beispielhaft die herbizide Wirkung der erfindungsgemäßen Verbindungen im Nachauflauf, wobei die herbizide Wirkung in Prozent angegeben ist. Tabelle 14a: Nachauflaufwirkung bei 1.25g/ha gegen AMARE in %
Tabelle 14b: Nachauflaufwirkung bei 5g/ha gegen AMARE in %
Tabelle 14c: Nachauflaufwirkung bei 20g/ha gegen AMARE in %
2. Post-emergence herbicidal action against harmful plants Seeds of monocotyledonous and dicotyledonous weeds and crop plants are placed in sandy loam soil in wood fiber pots, covered with soil and grown in the greenhouse under good growth conditions. 2 to 3 weeks after sowing, the test plants are treated in the one-leaf stage. The compounds according to the invention formulated in the form of wettable powders (WP) or as emulsion concentrates (EC) are then sprayed onto the green parts of the plant as an aqueous suspension or emulsion at a water application rate of the equivalent of 600 to 800 l/ha with the addition of 0.2% wetting agent. After the test plants have been standing for about 3 weeks in the greenhouse under optimal growth conditions, the effect of the preparations is scored visually in comparison to untreated controls (herbicidal effect in percent (%): 100% effect = plants have died, 0% effect = like control plants). Numerous compounds according to the invention showed a very good activity against a large number of important harmful plants. The tables below show, by way of example, the post-emergence herbicidal action of the compounds according to the invention, the herbicidal action being given as a percentage. Table 14a: Post-emergence effect at 1.25g/ha against AMARE in % Table 14b: Post-emergence effect at 5g/ha against AMARE in % Table 14c: Post-emergence effect at 20g/ha against AMARE in %
Tabelle 15: Nachauflaufwirkung bei 20g/ha gegen AVEFA in %
Table 15: Post-emergence effect at 20g/ha against AVEFA in %
Tabelle 16a: Nachauflaufwirkung bei 5g/ha gegen DIGSA in %
Tabelle 16b: Nachauflaufwirkung bei 20g/ha gegen DIGSA in %
Tabelle 17a: Nachauflaufwirkung bei 5g/ha gegen ECHCG in %
Table 16a: Post-emergence effect at 5g/ha against DIGSA in % Table 16b: Post-emergence effect at 20g/ha against DIGSA in % Table 17a: Post-emergence effect at 5g/ha against ECHCG in %
Tabelle 17b: Nachauflaufwirkung bei 20g/ha gegen ECHCG in %
Table 17b: Post-emergence effect at 20g/ha against ECHCG in %
Tabelle 18a: Nachauflaufwirkung bei 5g/ha gegen MATIN in %
Tabelle 18b: Nachauflaufwirkung bei 20g/ha gegen MATIN in %
Tabelle 19a: Nachauflaufwirkung bei 5g/ha gegen PHBPU in %
Table 18a: Post-emergence effect at 5g/ha against MATIN in % Table 18b: Post-emergence effect at 20g/ha against MATIN in % Table 19a: Post-emergence effect at 5g/ha against PHBPU in %
Tabelle 19b: Nachauflaufwirkung bei 20g/ha gegen PHBPU in %
Table 19b: Post-emergence effect at 20g/ha against PHBPU in %
Tabelle 20: Nachauflaufwirkung bei 20g/ha gegen POLCO in %
Tabelle 21a: Nachauflaufwirkung bei 5g/ha gegen SETVI in %
Tabelle 21b: Nachauflaufwirkung bei 20g/ha gegen SETVI in %
Table 20: Post-emergence effect at 20g/ha against POLCO in % Table 21a: Post-emergence effect at 5g/ha against SETVI in % Table 21b: Post-emergence effect at 20g/ha against SETVI in %
Tabelle 22: Nachauflaufwirkung bei 20g/ha gegen STEME in %
Table 22: Post-emergence effect at 20g/ha against STEME in %
Tabelle 23a: Nachauflaufwirkung bei 5g/ha gegen VERPE in %
Tabelle 23b: Nachauflaufwirkung bei 20g/ha gegen VERPE in %
Tabelle 24a: Nachauflaufwirkung bei 1.25g/ha gegen VIOTR in %
Table 23a: Post-emergence effect at 5g/ha against VERPE in % Table 23b: Post-emergence effect at 20g/ha against VERPE in % Table 24a: Post-emergence effect at 1.25g/ha against VIOTR in %
Tabelle 24b: Nachauflaufwirkung bei 5g/ha gegen VIOTR in %
Table 24b: Post-emergence effect at 5g/ha against VIOTR in %
Tabelle 24c: Nachauflaufwirkung bei 20g/ha gegen VIOTR in %
Table 24c: Post-emergence effect at 20g/ha against VIOTR in %
V er gleichs versuche Compare attempts
In den folgenden Versuchen wurde die herbizide Wirkung der erfindungsgemäßen und die der entsprechenden bekannten racemischenVerbindungen aus WO2012126932 und WO2018202535 unter den oben genannten Bedingungen im Vorauflauf und Nachauflauf verglichen. Die in den Tabellen genannten Beispiel-Nr. beziehen sich auf die in den jeweiligen Dokumenten offenbarten Verbindungen.
Tabelle 25: Herbizide Wirkung im Vorauflauf / Schädigung von Kulturpflanzen
Tabelle 26: Herbizide Wirkung im Nachauflauf / Schädigung von Kulturpflanzen
In the following experiments, the herbicidal action of the compounds according to the invention and that of the corresponding known racemic compounds from WO2012126932 and WO2018202535 were compared under the abovementioned pre-emergence and post-emergence conditions. The example nos. refer to the compounds disclosed in the respective documents. Table 25: Pre-emergence herbicidal effect/damage to crops Table 26: Post-emergence herbicidal effect/damage to crops
1-2, Wirkung im Nachauflauf
-6 PO Selektivität
1-2, post-emergence effect -6 PO selectivity
Claims
Patentansprüche 1. N-(l,3,4-Oxadiazol-2-yl)phenylcarbonsäureamide oder deren Salze der in Formel (I) angegebenen absoluten Konfiguration
worin die Substituenten folgende Bedeutungen haben: Claims 1. N-(1,3,4-oxadiazol-2-yl)phenylcarboxamides or salts thereof of the absolute configuration given in formula (I). in which the substituents have the following meanings:
R bedeutet Wasserstoff oder Methyl, R means hydrogen or methyl,
X bedeutet Ci oder Methyl, X means Ci or methyl,
R' bedeutet Methyl oder c-Pr, R' means methyl or c-Pr,
Z bedeutet CF3 oder CF1F2. Z means CF 3 or CF1F 2 .
2. N-(l,3,4-Oxadiazol-2-yl)phenylcarbonsäureamide 1-1 bis 1-16 gemäß Anspruch 1:
3. N-(l,3,4-Oxadiazol-2-yl)phenylcarbonsäureamide 1-1 bis 1-5 gemäß Anspruch 1 oder 2:
4. N-(l,2. N-(1,3,4-oxadiazol-2-yl)phenylcarboxamides 1-1 to 1-16 according to claim 1: 3. N-(1,3,4-oxadiazol-2-yl)phenylcarboxamides 1-1 to 1-5 according to claim 1 or 2: 4. N-(l,
3,3,
4-Oxadiazol-2-yl)phenylcarbonsäureamide 1-4 oder 1-5 gemäß einem der Ansprüche 1 bis4-Oxadiazol-2-yl)phenylcarboxamides 1-4 or 1-5 according to any one of claims 1 to
3:
3:
5. N-(l,3,4-Oxadiazol-2-yl)phenylcarbonsäureamide gemäß einem der Ansprüche 1 bis 4 mit einem Enantiomerenüberschuss (ee) von mindestens 94%. 5. N-(1,3,4-oxadiazol-2-yl)phenylcarboxamides according to any one of claims 1 to 4 with an enantiomeric excess (ee) of at least 94%.
6. N-(l,3,4-Oxadiazol-2-yl)phenylcarbonsäureamide gemäß einem der Ansprüche 1 bis 5 mit einem Enantiomerenüberschuss (ee) von mindestens 99%. 6. N-(1,3,4-oxadiazol-2-yl)phenylcarboxamides according to any one of claims 1 to 5 with an enantiomeric excess (ee) of at least 99%.
7. Herbizide Mittel enthaltend mindestens eine Verbindung gemäß einem der Ansprüche 1 bis 6 in Mischung mit Formulierungshilfsmitteln.
7. Herbicidal compositions containing at least one compound according to any one of claims 1 to 6 in a mixture with formulation auxiliaries.
8. Herbizide Mittel gemäß einem der Ansprüche 1 bis 6 enthaltend mindestens einen weiteren pestizid wirksamen Stoff aus der Gruppe Insektizide, Akarizide, Herbizide, Fungizide, Safener und Wachstumsregulatoren. 8. Herbicidal compositions as claimed in any of claims 1 to 6 containing at least one further pesticidally active substance from the group consisting of insecticides, acaricides, herbicides, fungicides, safeners and growth regulators.
9. Verfahren zur Bekämpfung unerwünschter Pflanzen, dadurch gekennzeichnet, daß man eine wirksame Menge mindestens einer Verbindung der Formel (I) gemäß einem der Ansprüche 1 bis 6 oder von herbiziden Mitteln nach Anspruch 7 oder 8 auf die Pflanzen oder auf den Ort des unerwünschten Pflanzenwachstums appliziert. 9. A method for controlling unwanted plants, characterized in that an effective amount of at least one compound of formula (I) according to any one of claims 1 to 6 or of herbicidal compositions according to claim 7 or 8 on the plants or on the site of unwanted plant growth applied.
10. Verwendung von Verbindungen der Formel (I) gemäß einem der Ansprüche 1 bis 6 oder von herbiziden Mitteln nach Anspruch 7 oder 8 zur Bekämpfung unerwünschter Pflanzen. 10. Use of compounds of the formula (I) according to any one of claims 1 to 6 or of herbicidal compositions according to claim 7 or 8 for controlling unwanted plants.
11. Verwendung nach Anspruch 10, dadurch gekennzeichnet, daß die Verbindungen der Formel (I) zur Bekämpfung unerwünschter Pflanzen in Kulturen von Nutzpflanzen eingesetzt werden. 11. Use according to Claim 10, characterized in that the compounds of the formula (I) are used for controlling undesirable plants in crops of useful plants.
12. Verwendung nach Anspruch 11, dadurch gekennzeichnet, daß die Nutzpflanzen transgene Nutzpflanzen sind.
12. Use according to claim 11, characterized in that the useful plants are transgenic useful plants.
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AR125060A1 (en) | 2023-06-07 |
MX2023010627A (en) | 2023-09-19 |
AU2022232186A1 (en) | 2023-09-28 |
IL305798A (en) | 2023-11-01 |
WO2022189495A1 (en) | 2022-09-15 |
JP2024509579A (en) | 2024-03-04 |
KR20230156760A (en) | 2023-11-14 |
BR112023016920A2 (en) | 2023-10-10 |
CN116964040A (en) | 2023-10-27 |
CA3212998A1 (en) | 2022-09-15 |
US20240174624A1 (en) | 2024-05-30 |
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