Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
  • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
  • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
  • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D231/18—One oxygen or sulfur atom
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
  • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
  • A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
  • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
  • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
  • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D231/16—Halogen atoms or nitro radicals
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
  • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
  • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
  • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D231/18—One oxygen or sulfur atom
  • C07D231/20—One oxygen atom attached in position 3 or 5

Definitions

• the invention relates to new substituted 3-aryl-pyrazoles, processes for their preparation and their use as herbicides.
• Q represents O (oxygen), S (sulfur), SO, SO 2 , NH or N (C ⁇ -C 4 alkyl),
• R2 for each optionally substituted by cyano, halogen, -CC4-alkoxy, C1-C4-alkylthio, C1-C4-alkylsulfinyl or -C-C4-alkylsulfonyl
• R3 represents hydrogen, halogen or alkyl which has 1 to 6 carbon atoms and is optionally substituted by cyano, halogen, C1-C4-alkoxy, C1-4-alkylthio, C1-C4-alkylsulfinyl or C1-C4-alkylsulfonyl,
• R4 represents hydrogen, cyano, thiocarbamoyl or halogen
• R ⁇ for cyano, thiocarbamoyl, halogen, or for each optionally by
• X for hydroxy, amino, nitro, cyano, carboxy, carbamoyl, thiocarbamoyl, fluorine, chlorine, bromine, iodine, for each optionally by hydroxy, cyano,
• hydrocarbon chains such as alkyl
• the hydrocarbon chains are also straight-chain or branched, in each case in conjunction with heteroatoms, such as in alkoxy.
• n preferably represents the numbers 0, 1, 2 or 3.
• Q preferably represents O (oxygen), S (sulfur), SO, SO, NH or N (CH 3 ).
• R * preferably represents hydrogen, in each case optionally substituted by cyano, fluorine, chlorine, methoxy or ethoxy, methyl, ethyl, n- or i-propyl, n-, i-, s- or t-butyl, in each case optionally by fluorine , Chlorine and / or bromine-substituted propenyl, butenyl, propynyl or butynyl, or for cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclopropylmethyl which is optionally substituted by cyano, fluorine, chlorine, bromine, methyl, ethyl, n- or i-propyl , Cyclobutylmethyl, Cyclopentylmethyl or Cyclohexylmethy
• R ⁇ preferably represents in each case optionally by cyano, fluorine, chlorine,
• R3 preferably represents hydrogen, fluorine, chlorine, bromine or, if appropriate, in each case by cyano, fluorine, chlorine, methoxy, ethoxy, n- or i-propoxy,
• R ⁇ preferably represents hydrogen, cyano, thiocarbamoyl, fluorine, chlorine or
• R5 preferably represents cyano, thiocarbamoyl, fluorine, chlorine, bromine, or methyl, ethyl, methoxy, ethoxy, methylthio, ethylthio, methylsulfinyl, ethylsulfinyl, methylsulfonyl or ethylsulfonyl, each optionally substituted by fluorine and / or chlorine.
• X preferably represents hydroxy, amino, nitro, cyano, carboxy, carbamoyl, thiocarbamoyl, fluorine, chlorine, bromine, iodine, each optionally by hydroxy, cyano, carboxy, carbamoyl, fluorine, chlorine, methoxy, ethoxy, n- or i Propoxy, methylthio, ethylthio, n- or i-propylthio, methylsulfinyl,
• n particularly preferably represents the numbers 1 or 2.
• Q particularly preferably represents O (oxygen) or S (sulfur).
• R * particularly preferably represents hydrogen or methyl or ethyl which is in each case optionally substituted by fluorine and / or chlorine.
• R2 particularly preferably represents methyl, ethyl, methoxy, ethoxy, methylthio, ethylthio, methylsulfinyl, ethylsulfinyl, methylsulfonyl or ethylsulfonyl, each optionally substituted by fluorine and / or chlorine.
• R ⁇ particularly preferably represents hydrogen, chlorine or bromine.
• R ⁇ particularly preferably represents hydrogen, fluorine or chlorine.
• R5 particularly preferably represents cyano, thiocarbamoyl, chlorine, bromine, methyl or trifluoromethyl.
• X particularly preferably represents nitro, chlorine, fluorine, or in each case optionally by cyano, carboxy, carbamoyl, fluorine, chlorine, methoxy, ethoxy, n- or i-propoxy, methoxycarbonyl, ethoxycarbonyl, n- or i-propoxycarbonyl, Methylaminocarbonyl, E hylaminocarbonyl, n- or i-propylaminocarbonyl, dimethylaminocarbonyl or diethylamino-carbonyl substituted methyl, ethyl, methoxy, ethoxy or ethenyl.
• Q very particularly preferably represents O (oxygen).
• R 1 represents methyl
• R2 represents methyl, trifluoromethyl, methoxy, difluoromethoxy, methylthio, methylsulfinyl or methylsulfonyl,
• R ⁇ represents hydrogen, chlorine or bromine
• R ⁇ represents hydrogen, fluorine or chlorine
• R5 represents cyano or thiocarbamoyl
• X for each optionally by cyano, carboxy, carbamoyl, fluorine, chlorine, methoxy, ethoxy, n- or i-propoxy, methoxycarbonyl, ethoxycarbonyl, n- or i-propoxycarbonyl, methylaminocarbonyl, ethylaminocarbonyl, n- or i-propylamino carbonyl, dimethylaminocarbonyl or diethylamino-carbonyl substituted methyl, ethyl, methoxy, ethoxy or ethenyl.
• Rl, R ⁇ , R3 ; R4 ; R5 un ( jx have the meanings given above.
• radical definitions listed above apply both to the end products of the formula (I) and correspondingly to the starting or intermediate products required in each case for the preparation. These radical definitions can be combined with one another, that is to say also between the specified preferred ranges.
• X has the meanings given above in Group 1.
• X has the meanings given above in Group 1.
• X has the meanings given above in Group 1.
• X has the meanings given above in Group 1.
• X has the meanings given above in Group 1.
• X has the meanings given above in Group 1.
• X has the meanings given above in Group 1.
• X has the meanings given above in Group 1.
• X has the meanings given above in Group 1.
• X has the meanings given above in Group 1.
• X has the meanings given above in Group 1.
• X has the meanings given above in Group 1.
• the new substituted 3-arylpyrazoles of the general formula (I) have interesting biological properties. They are particularly characterized by their strong herbicidal activity. The new substituted 3-aryl-pyrazoles of the general formula (I) are obtained if
• R 1 , R 2 , R 3 and R 4 have the meaning given above and
• X 1 represents halogen
• reaction auxiliary optionally in the presence of a reaction auxiliary and optionally in the presence of a reaction auxiliary
• n and X have the meaning given above and
• X 2 represents halogen
• Formula (II) provides a general definition of the 3-halophenylpyrazoles to be used as starting materials in process (a) according to the invention for the preparation of compounds of the general formula (I).
• R 1 , R 2 , R 3 and R 4 preferably have those meanings which have already been mentioned above in connection with the description of the compounds of the invention general formula (I) have been given as preferred or particularly preferred for R 1 , R 2 , R 3 and R 4 .
• the starting materials of the general formula (II) are known and / or can be prepared by processes known per se (cf. WO-A-97/40018, WO-A-
• Formula (III) provides a general definition of the aryl compounds to be used further as starting materials in process (a) according to the invention.
• n, Q and X preferably have those meanings which have already been given as preferred or particularly preferred for n, Q and X in connection with the description of the compounds of the general formula (I) according to the invention.
• Suitable metal salts of the compounds of formula (III) are preferably those
• Alkali metal or alkaline earth metal salts especially the sodium and potassium salts.
• the starting materials of the general formula (III) are known organic synthetic chemicals.
• Formula (IV) provides a general definition of the substituted 3-phenylpyrazoles to be used as starting materials in process (b) according to the invention for the preparation of compounds of the general formula (I).
• Q, R 1 , R 2 , R 3 and R 4 preferably have those meanings which have already been mentioned above in connection with the description of the compounds of the general formula (I) as preferred or particularly preferred for Q, R 1 , R 2 , R 3 and R 4 have been given.
• the starting materials of the general formula (IV) are known and / or can be prepared by processes known per se (cf. WO-A-97/40018, WO-A-97/46535).
• Suitable metal salts of the compounds of formula (IV) are preferably those
• Alkali metal or alkaline earth metal salts especially the sodium and potassium salts.
• Formula (V) provides a general definition of the diaryliodonium compounds to be used further as starting materials in process (b) according to the invention.
• n and X preferably have those meanings which have already been given as preferred or particularly preferred for n and X above in connection with the description of the compounds of the general formula (I) according to the invention.
• the starting materials of the general formula (V) are known and / or can be prepared by processes known per se (cf. J. Chem. Soc. Perkin Trans. I 1987, 241-249).
• Suitable diluents for carrying out processes (a) and (b) according to the invention are, in addition to water, above all inert organic solvents. These include in particular aliphatic, alicyclic or aromatic, optionally halogenated hydrocarbons, such as, for example
• Esters such as methyl acetate or ethyl acetate, sulfoxides such as dimethyl sulfoxide, alcohols such as methanol, ethanol, n- or i-propanol, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, their mixtures with water or pure water.
• Suitable reaction auxiliaries for processes (a) and (b) according to the invention are generally the customary inorganic or organic bases or acid acceptors. These preferably include alkali metal or alkaline earth metal acetates, amides, carbonates, bicarbonates, hydrides, hydroxides or alkanolates, such as sodium, potassium or calcium acetate, lithium, sodium or potassium - or calcium amide, sodium, potassium or calcium carbonate, sodium, potassium or calcium hydrogen carbonate, lithium, sodium, potassium or calcium hydride, lithium, sodium, potassium or calcium hydroxide, Sodium or potassium methoxide, ethanolate, n or i propanolate, n, i, s or t butanolate; basic organic nitrogen compounds such as trimethylamine, triethylamine, tripropylamine, tributylamine, ethyl-diisopropylamine, N, N-dimethyl-cyclohexylamine, dicyclohexylamine, eth
• Ethyl-2-methyl-pyridine 4-dimethylamino-pyridine, N-methyl-piperidine, 1,4-diazabicyclo [2,2,2] octane (DABCO), 1,5-diazabicyclo [4,3, 0] -non-5-ene (DBN), or 1,8-diazabicyclo [5,4,0] -undec-7-ene (DBU).
• DABCO 1,4-diazabicyclo [2,2,2] octane
• DBN 1,5-diazabicyclo [4,3, 0] -non-5-ene
• DBU 1,8-diazabicyclo [5,4,0] -undec-7-ene
• Phase transfer catalysts are also suitable as further reaction aids for processes (a) and (b) according to the invention.
• Examples of such catalysts are:
• Tetrabutylammonium bromide tetrabutylammonium chloride, tetraoctylammonium chloride, tetrabutylammonium hydrogen sulfate, methyl trioctylammonium chloride,
• reaction temperatures can be varied within a substantial range when carrying out processes (a) and (b) according to the invention. In general, temperatures between 0 ° C and 150 ° C, preferably between
• the processes according to the invention are generally carried out under normal pressure. However, it is also possible to carry out the processes according to the invention under elevated or reduced pressure - generally between 0.1 bar and 10 bar.
• the starting materials are generally used in approximately equimolar amounts. However, it is also possible to use one of the components in a larger excess.
• the reaction is generally carried out in a suitable diluent in the presence of a reaction auxiliary and the reaction mixture is generally stirred for several hours at the required temperature.
• the processing is carried out according to customary methods (cf. the manufacturing examples).
• the active compounds according to the invention can be used as defoliants, desiccants, haulm killers and in particular as weed killers. Weeds in the broadest sense are understood to mean all plants that grow up in places where they are undesirable. Whether the substances according to the invention act as total or selective herbicides depends essentially on the amount used.
• the active compounds according to the invention can be used, for example, in the following plants:
• Galinsoga Chenopodium, Urtica, Senecio, Amaranthus, Portulaca, Xanthium, ConvoIvulus, Ipomoea, Polygonum, Sesbania, Ambrosia, Cirsium, Carduus, Sonchus, Solanum, Rorippa, Rotala, Lindernia, Lamium, Veronicaex, Dutilon Viola, galeopsis, papaver, centaurea, trifolium, ranunculus, taraxacum.
• the active compounds according to the invention are suitable for combating total weeds, e.g. on industrial and track systems and on
• the invention because of and places with and without tree cover.
• active agents for weed control in permanent crops for example forest, ornamental wood, fruit, wine, citrus, nut, banana, coffee, tea, rubber, oil palm, cocoa, berry fruit and hop plants, on ornamental - and sports turf and pastures as well as for selective weed control in annual crops.
• the compounds of general formula (I) according to the invention show strong herbicidal activity and a broad spectrum of activity when used on the soil and on above-ground parts of plants. To a certain extent, they are also suitable for the selective control of monocot and dicot weeds in monocot and dicot crops, both in the pre-emergence and in the post-emergence process.
• the compounds of the general formula (I) also show fungicidal activity, in particular against mildew.
• the active ingredients can be converted into the customary formulations, such as solutions, emulsions, wettable powders, suspensions, powders, dusts, pastes, soluble powders, granules, suspension emulsion concentrates, active ingredient-impregnated natural and synthetic substances and very fine encapsulations in polymers
• formulations are prepared in a known manner, e.g. B. by mixing the active ingredients with extenders, ie liquid solvents and / or solid carriers, optionally using surface-active agents
• Agents ie emulsifiers and / or dispersants and / or foam-generating agents.
• organic solvents can, for example, also be used as auxiliary solvents.
• auxiliary solvents include aromatics, such as xylene, toluene, or alkyl naphthalenes, chlorinated aromatics and chlorinated aliphatic hydrocarbons, such as chlorobenzenes, chlorethylenes or methylene chloride, aliphatic hydrocarbons, such as cyclohexane or paraffins, for example 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 dimethylformamide and dimethyl sulfoxide, and water.
• Possible solid carriers are: e.g. Ammonium salts and natural rock powders, such as kaolins, clays, talc, chalk, quartz, attapulgite, montmorillonite or diatomaceous earth and synthetic rock powders, such as highly disperse
• Silicic acid, aluminum oxide and silicates, as solid carriers for granules are possible: e.g. broken and fractionated natural rocks such as calcite, marble, pumice, sepiolite, dolomite and synthetic granules from inorganic and organic flours and granules from organic material such as sawdust, coconut shells, corn cobs and tobacco stems; as emulsifying and / or foaming agents are possible: e.g. non-ionic and anionic emulsifiers, such as polyoxyethylene fatty acid esters, polyoxyethylene fatty alcohol ethers, e.g.
• Alkylaryl polyglycol ethers alkyl sulfonates, alkyl sulfates, aryl sulfonates and protein hydrolyzates; Possible dispersants are: e.g. Lignin sulfite leaching and methyl cellulose.
• Adhesives such as carboxymethyl cellulose, natural and synthetic powdery, granular or latex-shaped polymers, 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.
• Dyes such as inorganic pigments, e.g. Iron oxide, titanium oxide, ferrocyan blue 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 formulations generally contain between 0.1 and 95 percent by weight of active compound, preferably between 0.5 and 90%.
• the active compounds according to the invention can also be used for combating weeds, in a mixture with known herbicides, finished formulations or tank mixes being possible.
• herbicides are suitable for the mixtures, for example acetochlor, acifluorfen (sodium), aclonifen, alachlor, alloxydim (sodium),
• Metazachlor Metschizthiazuron, Metobenzuron, Metobromuron, (alpha-) Metolechlor, Metosulam, Metoxuron, Metribuzin, Metsulfuron (-methyl), Molinate, Monolinuron, Naproanilide, Napropamide, Neburon, Nicosulfuron, Or- carburon, Orflurazon, Oxadiargyl, oxadiazon, oxasulfuron, oxaziclomefone, oxyfluorfen, paraquat, pelargonic acid, pendimethalin, pentoxazone, phenmedipham, piperophos,
• Pretilachlor Primisulfuron (-methyl), Prometryn, Propachlor, Propanil, Propaquiza- fop, Propisochlor, Propyzamide, Prosulfocarb, Prosulfuron, Pyraflufen (-ethyl), Pyrazolate, Pyrazosulfuron (-ethyl), Pyrazoxyfen, Pyribenzoxarbobimimid, Pyribenzoximobidimid -methyl), pyrithiobac (-sodium), Quinchlorac, Quinmerac, Quinoclamine, Quizalofop (-P-ethyl), Quizalofop (-P-tefuryl), Rimsulfuron, Sethoxydim, Simazine, Simetryn, Sulcotrione, Sulfentrazone, Sulfometuron (-methyl ), Sulfosate, Sulfosulfuron, Tebutam, Tebuthiuron, Tepraloxyd
• a mixture with other known active compounds such as fungicides, insecticides, acaricides, nematicides, bird repellants, plant nutrients and agents which improve soil structure, is also possible.
• the active compounds can be used as such, in the form of their formulations or in the use forms prepared therefrom by further dilution, such as ready-to-use solutions, suspensions, emulsions, powders, pastes and granules. They are used in the customary manner, for example by watering, spraying, spraying or scattering.
• the active compounds according to the invention can be applied both before and after emergence of the plants. They can also be worked into the soil before sowing.
• the amount of active ingredient used can vary over a wide range. It essentially depends on the type of effect desired. In general, the application rates are between 1 g and 10 kg of active ingredient per hectare of soil, preferably between 5 g and 5 kg per ha.
• the calibration was carried out with unbranched alkan-2-ones (with 3 to 16 carbon atoms) whose logP values are known (determination of the logP values using the
• Emulsifier 1 part by weight of alkylaryl polyglycol ether
• active compound 1 part by weight of active compound is mixed with the stated amount of solvent, the stated amount of emulsifier is added and the concentrate is diluted with water to the desired concentration.
• Seeds of the test plants are sown in normal soil. After about 24 hours, the soil is sprayed with the active ingredient preparation in such a way that the desired amount of active ingredient is applied per unit area.
• the concentration of the spray liquor is chosen so that the desired amount of active compound is applied in 1000 liters of water per hectare.
• Emulsifier 1 part by weight of alkylaryl polyglycol ether
• Test plants which have a height of 5 to 15 cm are sprayed with the active compound preparation in such a way that the desired amounts of active compound are applied per unit area.
• the concentration of the spray liquor is chosen so that in
• the degree of damage to the plants is rated in% damage compared to the development of the untreated control.

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Life Sciences & Earth Sciences (AREA)
• Dentistry (AREA)
• Pest Control & Pesticides (AREA)
• Plant Pathology (AREA)
• Health & Medical Sciences (AREA)
• Engineering & Computer Science (AREA)
• Agronomy & Crop Science (AREA)
• General Health & Medical Sciences (AREA)
• Wood Science & Technology (AREA)
• Zoology (AREA)
• Environmental Sciences (AREA)
• Agricultural Chemicals And Associated Chemicals (AREA)
• Plural Heterocyclic Compounds (AREA)
• Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

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  • 1999-08-13 PL PL99347397A patent/PL347397A1/xx not_active Application Discontinuation
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