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EP2379503A1 - Dérivés dicétoniques hétérocycliques à action herbicide - Google Patents

Dérivés dicétoniques hétérocycliques à action herbicide

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Publication number
EP2379503A1
EP2379503A1 EP09765101A EP09765101A EP2379503A1 EP 2379503 A1 EP2379503 A1 EP 2379503A1 EP 09765101 A EP09765101 A EP 09765101A EP 09765101 A EP09765101 A EP 09765101A EP 2379503 A1 EP2379503 A1 EP 2379503A1
Authority
EP
European Patent Office
Prior art keywords
alkyl
formula
compounds
groups
methyl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP09765101A
Other languages
German (de)
English (en)
Inventor
Dschun Song
Julia Major
Johannes Hutzler
Trevor William Newton
Thomas Ehrhardt
Klaus Kreuz
Klaus Grossmann
Robert Reinhard
Anja Simon
Ricarda Niggeweg
Bernd Sievernich
Matthias Witschel
William Karl Moberg
Liliana Parra Rapado
Tao QU
Frank Stelzer
Andrea Vescovi
Thomas Seitz
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BASF SE
Original Assignee
BASF SE
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Priority to EP09765101A priority Critical patent/EP2379503A1/fr
Publication of EP2379503A1 publication Critical patent/EP2379503A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
    • C07D213/62—Oxygen or sulfur atoms
    • C07D213/63—One oxygen atom
    • C07D213/65—One oxygen atom attached in position 3 or 5
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/60—1,4-Diazines; Hydrogenated 1,4-diazines
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
    • C07D213/62—Oxygen or sulfur atoms
    • C07D213/70—Sulfur atoms
    • C07D213/71—Sulfur atoms to which a second hetero atom is attached
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
    • C07D213/72—Nitrogen atoms
    • C07D213/74—Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
    • C07D213/72—Nitrogen atoms
    • C07D213/75—Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/10—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D241/14—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having 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
    • C07D241/18—Oxygen or sulfur atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/10—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D241/14—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having 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
    • C07D241/20—Nitrogen atoms

Definitions

  • the present invention relates to heterocyclic compounds of the formula
  • R is hydrogen, Ci -C 6 -alkyl, C 4 haloalkyl, C 2 -C 6 alkenyl, C 3 -C 6 -alkyl kinyl, Z-Cs-do-cycloalkyl, Ci-Ce-alkoxy-Ci -Ce-alkyl, C 1 -C 6 -cyanoalkyl, Z-phenyl,
  • ZC ( O) -R a2 , Z-SO 2 R 32 and tri-C 1 -C 4 -alkylsilyl;
  • R a2 is C 1 -C 6 -alkyl, C 1 -C 4 -haloalkyl, Z-C 1 -C 6 -alkoxy, Z-C 1 -C 4 -haloalkoxy and
  • Z is a covalent bond or C 1 -C 4 -alkylene;
  • R 1 , R "independently of one another are hydrogen, C 1 -C 8 -alkyl, C 1 -C 4 -haloalkyl, C 3 -C 8 -
  • R 1 and R may also together with the N-atom to which they are attached form a 5- or 6-membered monocyclic or 9- or 10-membered bicyclic heterocycle containing 1, 2, 3 or 4 heteroatoms selected from O, N and S;
  • R 2 is phenyl, naphthyl or and 5- or 6-membered monocyclic or 9- or 10-membered bicyclic aromatic heterocycle containing 1, 2, 3 or 4 heteroatoms selected from O, N and S, wherein the cyclic groups unsubstituted or by 1, 2, 3, 4 or 5 groups R a are substituted, means;
  • R a can also form, together with the group R a attached to the adjacent carbon atom , a five- or six-membered saturated, partially or completely unsaturated ring which, in addition to carbon, 1, 2 or 3 heteroatoms, is selected from O, N and S. may contain;
  • X0 S or NR
  • YR 1 or NH-R
  • WO or S
  • A, E, G, MN and CR c wherein one or two groups thereof are N, R c is hydrogen or one of the groups mentioned in R a ; where in groups R 1 , R 2 , R 3 and their sub-substituents, the carbon chains and / or the cyclic groups may be partially or completely substituted by groups R a , and their N-oxides and agriculturally suitable salts.
  • the invention relates to processes and intermediates for the preparation of the compounds of formula I and their N-oxides, their agriculturally useful salts, as well as active ingredient combinations containing them, agents containing them and their use as herbicides, i. for controlling harmful plants, and a method for controlling undesired plant growth, comprising allowing a herbicidally effective amount of at least one compound of formula I or an agriculturally useful salt of I to act on plants, their seeds and / or their habitat.
  • An object of the present invention is to provide compounds having herbicidal activity.
  • active ingredients should be made available which have a high herbicidal action, in particular even at low application rates, and their compatibility with crop plants for commercial exploitation is sufficient.
  • the compounds according to the invention can be prepared by standard methods of organic chemistry, for example according to the following synthesis route:
  • This reaction is usually carried out at temperatures of -78 0 C to 12O 0 C, preferably -2O 0 C to 5O 0 C, in an inert organic solvent in the presence of a base (see Greene's Protective Groups in Organic Synthesis, Wiley).
  • Suitable solvents are aliphatic hydrocarbons such as pentane, hexane, cyclohexane and petroleum ether, aromatic hydrocarbons such as toluene, o-, m- and p-xylene, halogenated hydrocarbons such as methylene chloride, chloroform and chlorobenzene, ethers such as diethyl ether, diisopropyl ether, tert-butyl methyl ether, dioxane , Anisole and tetrahydrofuran, nitriles such as acetonitrile and propionitrile, ketones such as acetone, methyl ethyl ketone, diethyl ketone and tert-butyl methyl ketone, and dimethyl sulfoxide, dimethylformamide and dimethylacetamide, more preferably halogenated hydrocarbons such as methylene chloride, chloroform and chlorobenzene.
  • ethers
  • Bases are generally inorganic compounds such as alkali metal and alkaline earth metal hydroxides such as lithium hydroxide, sodium hydroxide, potassium hydroxide and calcium hydroxide, alkali metal and alkaline earth metal oxides such as lithium oxide, sodium oxide, calcium oxide and magnesium oxide, alkali metal and alkaline earth metal hydrides such as lithium hydride, sodium hydride, potassium hydride and calcium hydride, Alkali metal amides such as lithium amide, sodium amide and potassium amide, alkali metal and alkaline earth metal carbonates such as
  • Lithium carbonate, potassium carbonate and calcium carbonate and alkali metal hydrogencarbonates such as sodium bicarbonate, organometallic compounds, in particular alkali metal alkyls such as methyllithium, butyllithium and phenyllithium, alkylmagnesium halides such as methylmagnesium chloride and alkali metal and alkaline earth metal alkoxides such as sodium, sodium, potassium, potassium tert-butoxide and Dimethoxymagnesium, also organic bases, eg tertiary amines such as trimethylamine, triethylamine, tributylamine, di-isopropylethylamine and N-methylpiperidine, pyridine, substituted pyridines such as collidine, lutidine and 4-dimethylaminopyridine and bicyclic amines into consideration. Preference is given to alkali metal and alkaline earth metal hydrides, particularly preferably sodium hydride.
  • the bases are generally used in catalytic
  • the starting materials are generally reacted with one another in equimolar amounts.
  • Suitable solvents are water, alcohols such as methanol, ethanol, isopropanol, aliphatic hydrocarbons such as pentane, hexane, cyclohexane and petroleum ether, aromatic hydrocarbons such as toluene, o-, m- and p-xylene, halogenated hydrocarbons such as methylene chloride, chloroform and Chlorobenzene, ethers like
  • Bases are generally inorganic compounds such as alkali metal and alkaline earth metal hydroxides such as lithium hydroxide, sodium hydroxide, potassium hydroxide and calcium hydroxide, alkali metal and alkaline earth metal oxides such as lithium oxide, sodium oxide, calcium oxide and magnesium oxide, alkali metal and alkaline earth metal hydrides such as lithium hydride, sodium hydride, potassium hydride and calcium hydride, Alkali metal amides such as lithium amide, sodium amide and potassium amide, alkali metal and alkaline earth metal carbonates such as lithium carbonate, potassium carbonate and calcium carbonate, and alkali metal hydrogencarbonates such as sodium bicarbonate, organometallic compounds, in particular alkali metal alkyls such as methyllithium, butyl lithium and phenyl lithium, alkylmagnesium halides such as methylmagnesium chloride and also alkali metal and alkaline earth metal alcoholates.
  • alkali metal and alkaline earth metal hydroxides such as lithium hydro
  • te as sodium methoxide, sodium ethoxide, potassium, potassium tert-butoxide and Dimethoxymagnesium
  • organic bases such as tertiary amines such as tri- thylamine, triethylamine, tributylamine, di-isopropylethylamine and N-methylpiperidine, pyridine, substituted pyridines such as collidine, lutidine and 4-dimethylaminopyridine and bicyclic amines into consideration.
  • tertiary amines such as tri- thylamine, triethylamine, tributylamine, di-isopropylethylamine and N-methylpiperidine
  • pyridine substituted pyridines such as collidine, lutidine and 4-dimethylaminopyridine and bicyclic amines into consideration.
  • the bases are generally used in catalytic amounts, but they can also be used equimolar, in excess or optionally as a solvent.
  • the compounds of the formula IVa are activated by introducing a leaving group L 1 .
  • Suitable leaving groups L 1 are generally those groups which increase the electrophilicity of the carbonyl group, for example O-alkyl, O-aryl, halides, activated esters or aldehydes (such as, for example, Weinreb amide), in particular pentafluorophenoxy.
  • This reaction is usually carried out at temperatures from -78 0 C to 12O 0 C, preferably -2O 0 C to 5O 0 C, in an inert organic solvent in the presence of a base such as. Triethylamine (see J. Agric and Food Chem., 1994, 42 (4), 1019-1025), a catalyst such as e.g. B. Dicyclohexylcarbodiimide (see Egyptian Journal of Chemistry 1994, 37 (3), 273-282) or other known coupling reagents.
  • a base such as. Triethylamine (see J. Agric and Food Chem., 1994, 42 (4), 1019-1025)
  • a catalyst such as e.g. B. Dicyclohexylcarbodiimide (see Egyptian Journal of Chemistry 1994, 37 (3), 273-282) or other known coupling reagents.
  • Suitable solvents are aliphatic hydrocarbons such as pentane, hexane, cyclohexane and petroleum ether, aromatic hydrocarbons such as toluene, o-, m- and p-xylene, halogenated hydrocarbons such as methylene chloride, chloroform and chlorobenzene, ethers such as diethyl ether, diisopropyl ether, tert-butyl methyl ether , Dioxane, anisole and tetrahydrofuran, nitriles such as acetonitrile and propionitrile, ketones such as acetone, methyl ethyl ketone, diethyl ketone and tert-butyl methyl ketone, and dimethyl sulfoxide, dimethylformamide and dimethylacetamide, more preferably methylene chloride and toluene.
  • aromatic hydrocarbons such as toluene, o-,
  • Bases generally include inorganic compounds such as alkali metal and alkaline earth metal hydroxides such as lithium hydroxide, sodium hydroxide, potassium hydroxide and calcium hydroxide, alkali metal and alkaline earth metal oxides such as lithium oxide, sodium oxide, calcite oxide and magnesium oxide, alkali metal and alkaline earth metal hydrides such as lithium hydride, sodium hydride, potassium hydride and calcium hydride, Alkali metal amides such as lithium amide, sodium amide and potassium amide, alkali metal and alkaline earth metal carbonates such as
  • Lithium carbonate, potassium carbonate and calcium carbonate and alkali metal hydrogencarbonates such as sodium bicarbonate, organometallic compounds, in particular alkali metal alkyls such as methyllithium, butyllithium and phenyllithium, alkylmagnesium halides such as methylmagnesium chloride and alkali metal and alkaline earth metal alkoxides such as sodium, sodium, potassium, potassium tert-butoxide and Dimethoxymagnesium, also organic bases, eg tertiary amines such as trimethylamine, triethylamine, tributylamine, di-isopropylethylamine and N-methylpiperidine, pyridine, substituted pyridines such as collidine, lutidine and 4-dimethylaminopyridine and bicyclic amines into consideration.
  • organometallic compounds in particular alkali metal alkyls such as methyllithium, butyllithium and phenyllithium, al
  • alkali metal and alkaline earth metal carbonates such as lithium carbonate, potassium carbonate, calcium carbonate, cesium carbonate and rubidium carbonate.
  • the bases are generally used in catalytic amounts, but they can also be used equimolar, in excess or optionally as a solvent.
  • agent HL 1 are alcohols, optionally subst. Phenols, N, O-dialkylhydroxylamine, in particular pentafluorophenol or N, O-dimethylhydroxylamine in question.
  • This reaction is usually carried out at temperatures of from -78 ° C to 120 0 C, preferably from -20 0 C to 50 0 C, in an inert organic solvent in the presence of a base or a Lewis acid or a catalyst [cf.. Bioorganic & Medicinal Chemistry (2004) Vol. 12 (6), 1357-1366].
  • Suitable solvents are aliphatic hydrocarbons such as pentane, hexane, cyclohexane and petroleum ether, aromatic hydrocarbons such as toluene, o-, m- and p-xylene, halogenated hydrocarbons such as methylene chloride, chloroform and chlorobenzene, ethers such as diethyl ether, diisopropyl ether, tert-butyl methyl ether, dioxane , Anisole and tetrahydrofuran, nitriles such as acetonitrile and propionitrile, ketones such as acetone, methyl ethyl ketone, diethyl ketone and tert-butyl methyl ketone, and dimethyl sulfoxide, dimethylformamide and dimethylacetamide, particularly preferably acetonitrile and dimethylformamide.
  • aliphatic hydrocarbons such as pentane, he
  • Suitable bases are generally inorganic compounds such as alkali metal and alkaline earth metal hydroxides such as lithium hydroxide, sodium hydroxide, potassium hydroxide and calcium hydroxide, alkali metal and alkaline earth metal oxides such as lithium oxide, sodium oxide, calcium oxide and magnesium oxide, alkali metal and alkaline earth metal hydrides such as lithium hydride, sodium hydride, potassium hydride and Calcium hydride, alkali metal amides such as lithium amide, sodium amide and potassium amide, alkali metal and alkaline earth metal carbonates such as lithium carbonate, potassium carbonate, calcium carbonate, cesium carbonate and rubidium carbonate, and also alkali metal hydrogencarbonates such as sodium bicarbonate, organometallic compounds, especially alkali metal alkyls such as methyllithium, butyllithium and phenyllithium, alkylmagnesium halides such as methylmagnesium chloride and alkali metal and alkaline
  • tertiary amines such as trimethylamine, triethylamine, tributylamine, di-isopropylethylamine and N-methylpiperidine, pyridine, substituted pyridines such as collidine, lutidine and 4-dimethylaminopyridine and bicyclic amines into consideration.
  • alkali metal and alkaline earth metal alkoxides particularly preferably potassium tert-butoxide.
  • the bases are generally used in catalytic amounts, but they can also be used equimolar, in excess or optionally as a solvent.
  • the starting materials are generally reacted with one another in equimolar amounts.
  • the compounds of the formula I ' can be liberated by cleavage of the protective group from the compounds of the formula VII.
  • the reaction conditions depend on the nature of the protecting group SG; the splitting off of a possibly subst. Benzyl group succeeds z. B. with trifluoroacetic acid at temperatures of -78 0 C 0 C to 100 ° C, preferably -20 0 C to 50 ° C, in an inert organic solvent [cf. Greene's Protective Groups in Organic Synthesis, Wiley].
  • the tautomer 2 of the compounds of the formula I can be alkylated, acylated or sulfonated by reaction with an alkylating, acylating or sulfonating agent of the formula VIII by generally known methods.
  • R v is C -C 8 -alkyl, C 8-alkylcarbonyl, Ci-C8-Al kylsulfonyl, d- C ⁇ -Arylcarbonyl, Ci-C 8 -Arylsulfonyl, wherein the AI kyl, or aryl groups may be partially or completely substituted by groups R a , and L is a nucleophilic leaving group, such as halogen, alkoxy, alkyl or arylcarbonyloxy Acylating or sulfonating agents are in particular acetyl chloride, pivaloyl chloride, tosyl chloride or methylsulfonyl chloride in question.
  • the reaction mixtures are worked up in the usual way, e.g. by mixing with water, separation of the phases and optionally chromatographic purification of the crude products.
  • the intermediate and end products are z.T. in the form of colorless or slightly brownish, viscous oils which are freed from volatile constituents under reduced pressure and at moderately elevated temperature. If the intermediate and end products are obtained as solids, the purification can also be carried out by recrystallization or trituration.
  • isomer mixtures are obtained in the synthesis, separation is generally not necessary since the individual isomers may partially interconvert during preparation for use or during use (eg, under the action of light, acid or base). Corresponding transformations may also take place after application, for example in the treatment of plants in the treated plant or in the harmful plant to be controlled.
  • organic hydrocarbon moieties such as alkyl, halo (gen) alkyl, alkenyl, alkynyl, and the alkyl moieties and alkenyl moieties in alkoxy, halo (gen) are all collective groups for the substituents of the compounds of the invention.
  • halogenated substituents preferably carry one to five identical or different halogen atoms, in particular fluorine atoms or chlorine atoms.
  • alkyl and the alkyl moieties are, for example, alkoxy, alkylamino, dialkylamino, N-alkylsulfonylamino, alkylaminosulfonylamino, dialkylaminosulfonylamino, N- (alkenyl) -N- (alkyl) -amino, N- (alkynyl) -N- (alkyl ) -amino, N- (alkoxy) -N- (alkyl) -amino: saturated, straight-chain or branched hydrocarbon radicals having one or more C atoms, for example 1 to 2, 1 to 4, or 1 to 6 carbon atoms, for example C 1 -C 6 -alkyl, such as methyl, ethyl, propyl, 1-methylethyl, butyl, 1-methylpropy
  • Haloalkyl also referred to as haloalkyl: an alkyl radical as mentioned above whose hydrogen atoms are partially or fully substituted by halogen atoms such as fluorine, chlorine, bromine and / or iodine, for example chloromethyl, dichloromethyl, trichloromethyl, fluoromethyl, difluoromethyl, trifluoromethyl, chlorofluoromethyl , Dichlorofluoro-methyl, chlorodifluoromethyl, 2-fluoroethyl, 2-chloroethyl, 2-bromoethyl, 2-iodoethyl, 2,2-di-fluoroethyl, 2,2,2-trifluoroethyl, 2-chloro-2-fluoroethyl, 2-chloro -2,2-difluoroethyl, 2,2-dichloro-2-fluoroethyl, 2,2,2-trichloroethyl, pentafluoro
  • Cycloalkyl and the cycloalkyl moieties for example, in cycloalkoxy or cycloalkylcarbonyl: monocyclic, saturated hydrocarbon groups having three or more C atoms, e.g. 3 to 6 carbon ring members such as cyclopropyl, cyclobutyl, cyclopentyl and cyclohexyl.
  • Alkenyl and alkenyl moieties for example, in alkenylamino, alkenyloxy, N- (alkenyl) -N- (alkyl) -amino, N- (alkenyl) -N- (alkoxy) -amino: monounsaturated, straight-chain or branched hydrocarbon radicals having two or more carbon atoms. Atoms, z. 2 to 4, 2 to 6 or 3 to 6 carbon atoms and a double bond in any position, e.g.
  • C2-C6 alkenyl such as ethenyl, 1-propenyl, 2-propenyl, 1-methylethenyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-methyl-1-propenyl, 2-methyl-1-propenyl, 1 Methyl 2-propenyl, 2-methyl-2-propenyl, 1-pentenyl, 2-pentenyl, 3-pentenyl, 4-pentenyl, 1-methyl-1-butenyl, 2-methyl-1-butenyl, 3 Methyl-1-butenyl, 1-methyl-2-butenyl, 2-methyl-2-butenyl, 3-methyl-2-butenyl, 1-methyl-3-butenyl, 2-methyl-3-butenyl, 3-methyl 3-butenyl, 1, 1-dimethyl-2-propenyl, 1, 2-dimethyl-1-propenyl, 1, 2-dimethyl-2-propenyl, 1-ethyl-1-propenyl, 1-ethyl-1
  • Cycloalkenyl monocyclic, monounsaturated hydrocarbon groups having 3 to 6, preferably 5 to 6 carbon ring members, such as cyclopenten-1-yl, cyclopentene-3-yl, cyclohexen-1-yl, cyclohexen-3-yl, cyclohexen-4-yl ,
  • Alkynyl and alkynyl moieties for example in alkynyloxy, alkynylamino, N- (alkynyl) -N- (alkyl) -amino or N- (alkynyl) -N- (alkoxy) -amino: straight-chain or branched hydrocarbon groups having two or more carbon atoms , z. B. 2 to 4, 2 to 6, or 3 to 6 carbon atoms and a triple bond in any position, for.
  • C 2 -C 6 -alkynyl such as ethynyl, 1-propynyl, 2-propynyl, 1-butynyl, 2-butynyl, 3-butynyl, 1-methyl-2-propynyl, 1-pentynyl, 2-pentynyl, 3-pentynyl, 4-pentynyl, 1-methyl-2-butynyl, 1-methyl-3-butynyl, 2-methyl-3-butynyl, 3-methyl-1-butynyl, 1, 1-dimethyl-2-propynyl, 1-ethyl 2-propynyl, 1-hexynyl, 2-hexynyl, 3-hexynyl, 4-hexynyl, 5-hexynyl, 1-methyl-2-pentynyl, 1-methyl-3-pentynyl, 1-methyl-4-pentynyl, 2- Methyl-3-pentynyl, 2-methyl
  • Alkoxy alkyl, as defined above, which is bonded via an oxygen atom: z.
  • 5- or 6-membered heterocycle a cyclic group having 5 or 6 ring atoms wherein 1, 2, 3 or 4 ring atoms are heteroatoms selected from O, S and N, the cyclic group being saturated, partially unsaturated or aromatic is.
  • heterocyclic groups are.
  • the compounds of the formula I can contain one or more further chiral centers.
  • the compounds according to the invention can therefore be present as pure enantiomers or diastereomers or as mixtures of enantiomers or diastereomers.
  • the invention relates to both the pure enantiomers or diastereomers and mixtures thereof.
  • the compounds of the formula I can also be present in the form of the N-oxides and / or their agriculturally useful salts, the type of salt generally not being important.
  • the salts of those cations or the acid addition salts of those acids come into consideration whose cations, or anions, do not adversely affect the herbicidal activity of the compounds I.
  • the cations used are in particular ions of the alkali metals, preferably lithium, sodium or potassium, the alkaline earth metals, preferably calcium or magnesium, and the transition metals, preferably manganese, copper, zinc or iron. It is likewise possible to use ammonium as cation, in which case, if desired, one to four hydrogen atoms are represented by C 1 -C 4 -alkyl, hydroxy-C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy-C 1 -C 4 -alkyl, hydroxyC 1 -C 4 -alkyl.
  • alkoxy-C 1 -C 4 -alkyl phenyl or benzyl, preferably ammonium, dimethylammonium, diisopropylammonium, tetramethylammonium, tetrabutylammonium, 2- (2-hydroxyeth-1-oxy) eth-1-ylammonium, di (2-hydroxyeth-1 -yl) ammonium, trimethylbenzylammonium.
  • ammonium cation is the pyridine nitrogen atom of the formula I quaternized by alkylation or arylation.
  • phosphonium ions preferably tri (C 1 -C 4 -alkyl) sulfonium or sulfoxonium ions, preferably tri (C 1 -C 4 -alkyl) sulfoxonium.
  • Anions of useful acid addition salts are primarily chloride, bromide, fluoride, hydrogen sulfate, sulfate, dihydrogen phosphate, hydrogen phosphate, nitrate,
  • variables of the compounds of the formula I have the following meanings, these being considered both individually and in combination with one another in particular embodiments of the compounds of the formula I:
  • a group of A, E, G and M is N.
  • A is N and E, G and M are CR a . These compounds correspond to the formula 1.1,
  • W is preferably O and the groups R a2 , R a3 and R a4 each correspond to a group R a and preferably have the following meanings: R a2 H, OH, CN, halogen, alkyl, alkoxy, haloalkyl, in particular H, Br, OH and OCH 3 ;
  • R a3 is H, OH, CN, halogen, alkyl, alkoxy, haloalkyl, especially H
  • R a4 is H, OH, CN, halogen, alkyl, alkoxy, haloalkyl, in particular H.
  • a and M are N and E and G are CR a .
  • W is preferably O and the groups R a2 and R a3 each correspond to a group R a and preferably have the following meanings: R a2 H, OH, CN, halogen, alkyl, alkoxy, haloalkyl, in particular H, Br, OH and
  • R a3 is H, OH, CN, halogen, alkyl, alkoxy, haloalkyl, in particular H.
  • R 1 is alkoxy, in particular methoxy.
  • Phenyl such as C 6 H 5 , 4-CH 3 -C 6 H 4 , 4-FC 6 H 4 or S (O) n -R N , where R N is C 1 -C 6 -haloalkyl, such as CH 2 CF 3 , CH 2 CHF 2 .
  • R 2 is phenyl which is unsubstituted or partially or completely substituted by groups R a .
  • Particularly preferred are those compounds in which a group R a is in the ortho position.
  • Such compounds of the formula I are described by the formula I.A .:
  • R 5 and R 6 are groups R a as defined above, preferably halogen, NO 2 , C 1 -C 4 -alkyl, C 1 -C 2 -haloalkyl, C 1 -C 4 -alkoxy and C 1 -C 2 -haloalkoxy.
  • a group R 6 is preferably in position 5.
  • X is O. In another embodiment, X is S. In another embodiment, X is NR.
  • Y is OH. In a further embodiment Y stands for SH. In a further embodiment Y stands for NHR.
  • W is O. In another embodiment, W is S.
  • Another preferred embodiment is represented by the compounds of the formula I which are derived from the tautomer 2; they correspond to the formula IT.
  • R v is preferably Ci-Cs-alkylcarbonyl, Ci-Cs-alkylsulfonyl, Ci-Cs-arylcarbonyl, or d-Cs-arylsulfonyl, wherein the alkyl or aryl groups may be partially or completely substituted by groups R a .
  • Aryl is preferably phenyl. Especially preferred are C 1 -C 5 -alkylcarbonyl and C 1 -C 8 -alkylsulfonyl, for example acetyl, pivaloyl, tosyl or methylsulfonyl.
  • a further embodiment relates to the N-oxides of the compounds of the formula I.
  • a further embodiment relates to salts of the compounds of the formula I, in particular those obtainable by quaternization of the pyridine nitrogen atom, which can preferably be effected by alkylation or arylation of the compounds of the formula I.
  • preferred salts of the compounds are the N-alkyl, in particular the N-methyl, or the N-phenyl salts.
  • Table 7 Compounds of the formula I in which X is O, Y is NH-CH (CH 3) 2 and R 1 is CH 3 and the combination of R 5 and (R 6 ) m for each compound corresponds to one row of Table A.
  • Table 8 Compounds of the formula I in which X is O, Y is NH-CH (CH 3) 2 and R 1 is CH 3 and the combination of R 5 and (R 6 ) m for each compound corresponds to one row of Table A.
  • Table 17 Compounds of the formula I in which X is S, Y is NH-C 2 H 5 and R 1 is CH 3 and the combination of R 5 and (R 6 ) m for each compound corresponds to one row of Table A.
  • the compounds I and their agriculturally useful salts are suitable - both as mixtures of isomers and in the form of pure isomers - as herbicides. They are suitable as such or as appropriately formulated agent.
  • the compounds I in particular the preferred embodiments thereof, or agents containing them can be used in a further number of crop plants for the removal of undesirable plants.
  • the following cultures may be considered: Allium cepa, pineapple comosus, Arachis hypogaea, Asparagus officinalis, Avena sativa, Beta vulgaris spec. altissima, Beta vulgaris spec. rapeseed, Brassica napus var. napus, Brassica napus var. napobrassica, Brassica rapa var.
  • crops also includes those that have been modified by breeding, mutagenesis or genetic engineering methods. Genetically engineered plants are plants whose genetic material has been altered in a way that does not occur under natural conditions by crossing, mutations or natural recombination (i.e., rearrangement of genetic information). As a rule, one or more genes are integrated into the genome of the plant in order to improve the properties of the plant.
  • crops thus also encompasses plants which, by breeding and genetic engineering measures, tolerate certain herbicide classes, such as
  • HPPD Hydroxyphenylpyruvate dioxygenase
  • ALS acetolactate synthase
  • sulfonylureas EP-A 257 993, US 5,013,659
  • imidazolium none see eg US 6,222,100, WO 01/82685, WO 00/26390, WO 97/41218, WO 98/02526, WO 98/02527, WO 04/106529, WO 05/20673, WO 03/14357, WO 03/13225, WO 03/14356, WO 04/16073)
  • EPSPS enolpyruvylshikimate-3-phosphate synthase
  • Glyphosate see, for example, WO 92/00377), glutamine synthetase (GS) inhibitors such as. Glufosinate (see eg EP-A 242 236, EP-A 242 246) or oxynil herbicides (see eg US 5,559,024).
  • GS glutamine synthetase
  • crops thus also includes plants that use genetic engineering measures one or more toxins, eg. As those from the bacterial strain Bacillus ssp., Produce.
  • Toxins produced by such genetically engineered plants include e.g. Insecticidal proteins of Bacillus spp., In particular B. thuringiensis such as the endotoxins CrylAb, CrylAc, CrylF, Cry1Fe2, Cry2Ab, Cry3A, Cry3Bb1, Cry9c, Cry34Ab1 or Cry35Ab1; or vegetative insecticidal proteins (VIPs), e.g.
  • VIPs vegetative insecticidal proteins
  • VIP1, VIP2, VIP3, or VIP3A insecticidal proteins of nematode-colonizing bacteria, e.g. B. Photorhabdus spp. or Xenorhabdus spp .; Toxins from animal organisms, eg. B. Wepsen, spider or scorpion toxins; fungal toxins, e.g. B. from streptomycetes; herbal lectins, e.g. From pea or barley; agglutinins; Proteinase inhibitors, e.g. Trypsin inhibitors, serine protease inhibitors, patatin, cystatin or papain inhibitors; Ribosome Inactivating Proteins (RIPs), e.g. Ricin, corn RIP, abrin, luffin, saporin or bryodin; Steroid metabolizing
  • RIPs Ribosome Inactivating Proteins
  • Enzymes e.g. 3-hydroxysteroid oxidase, ecdysteroid IDP glycosyltransferase, cholesterol oxidase, ecdysone inhibitors or HMG-CoA reductase; ion channel blocker, e.g. B. inhibitors of sodium or calcium channels; Juvenile hormone esterase; Receptors for the diuretic hormone (helicokinin receptors); Stilbene synthase, bibenzyl synthase, chitinases and glucanases. These toxins can also be produced in the plants as proteoxins, hybrid proteins, truncated or otherwise modified proteins.
  • Hybrid proteins are characterized by a novel combination of different protein domains (see, for example, WO 2002/015701). Further examples of such toxins or genetically modified plants which produce these toxins are described in EP-A 374 753, WO 93/007278, WO 95/34656, EP-A 427 529, EP-A 451 878,
  • the methods for producing these genetically modified plants are known in the art and z. As set forth in the publications mentioned above. Many of the aforementioned toxins confer on the plants that produce them a tolerance to pests of all taxonomic arthropod classes, in particular to beetles (Coeleropta), diptera (Diptera) and butterflies (Lepidoptera) and nematodes (Nematoda). Genetically engineered plants that produce one or more genes encoding insecticidal toxins, e.g. As described in the publications mentioned above and partly commercially available, such as. B.
  • YieldGard ® (corn cultivars producing the toxin CrylAb), YieldGard ® Plus (corn cultivars producing the toxins CrylAb and Cry3Bb1), StarLink ® (corn cultivars producing the toxin Cry9c), Herculex ® RW (corn cultivars toxins which Cry34Ab1, Cry35Ab1 and the enzyme phosphinothricin N-acetyltransferase [PAT] produce); NuCOTN ® 33B (cotton cultivars producing the toxin CrylAc), Bollgard ® I (cotton cultivars producing the toxin CrylAc), Bollgard ® Il (cotton cultivars producing the toxins CrylAc and Cry2Ab2); VIPCOT ® (cotton varieties that produce a VIP toxin); NewLeaf ® (potato cultivars producing the Cry3A toxin); Bt Xtra ®, NatureGard® ®, KnockOut ®, Bit
  • crops thus also includes plants that produce by genetic engineering measures one or more proteins that cause increased resistance or resistance to bacterial, viral or fungal pathogens, such as.
  • PR proteins pathogenesis-related proteins
  • resistance proteins eg, potato varieties that produce two resistance genes against Phytophthora infestans from the Mexican wild potato Solanum bulbocastanum
  • T4 lysozyme z. Potato varieties resistant to bacteria such as Erwinia amylvora by the production of this protein).
  • crops thus also includes plants whose productivity has been improved by means of genetic engineering methods by z.
  • yield eg biomass, grain yield, starch, oil or protein content
  • crops also includes plants whose ingredients have been modified in particular to improve the human or animal diet using genetic engineering methods by z.
  • oil plants can produce health-promoting long-chain omega-3 fatty acids or monounsaturated omega-9 fatty acids (eg Nexera ® oilseed rape).
  • crops also includes plants that have been modified for the improved production of raw materials by means of genetic engineering methods by z. B.
  • amylopectin content of potatoes (Amflora ® potato) was increased. Furthermore, it has been found that the compounds of the formula I are also suitable for the defoliation and / or desiccation of plant parts, for which crop plants such as cotton, potato, oilseed rape, sunflower, soybean or field beans, in particular cotton, come into consideration.
  • compositions for the desiccation and / or defoliation of plants, processes for the preparation of these agents and methods for the desiccation and / or defoliation of plants with the compounds of formula I have been found.
  • the compounds of formula I are particularly suitable for dehydration of the aerial parts of crop plants such as potato, oilseed rape, sunflower and soybean but also cereals. This enables a completely mechanical harvesting of these important crops.
  • harvest facilitation which is made possible by the time-concentrated dropping or reducing the adhesion of the tree to citrus fruit, olives or other types and varieties of pome, stone and peel fruit.
  • the same mechanism i.e. promoting the formation of release webs between fruit or leaf and shoot part of the plants, is also essential for a well controllable defoliation of crops, especially cotton.
  • shortening the time interval in which each cotton plant ripens leads to increased fiber quality after harvest.
  • the compounds I or the herbicidal compositions containing them for example in the form of directly sprayable aqueous solutions, powders, suspensions, even high-percentage aqueous, oily or other suspensions or dispersions, emulsions, oil dispersions, pastes, dusts, scattering agents or granules by spraying , Misting, dusting, scattering, pouring or treatment of the seed or mixing with the seed.
  • the forms of application depend on the intended use; In any case, they should ensure the finest possible distribution of the active compounds according to the invention.
  • the herbicidal compositions contain a herbicidally effective amount of at least one compound of the formula I or an agriculturally useful salt of I and auxiliaries customary for the formulation of pesticides.
  • auxiliaries are preferred auxiliaries, solid carriers, surface-active substances (such as dispersants, protective colloids, emulsifiers, wetting agents and adhesives), organic and inorganic thickeners, bactericides, antifreeze agents, defoamers, if necessary, dyes and for seed formulations adhesives.
  • surface-active substances such as dispersants, protective colloids, emulsifiers, wetting agents and adhesives
  • organic and inorganic thickeners such as bactericides, antifreeze agents, defoamers, if necessary, dyes and for seed formulations adhesives.
  • thickeners ie, compounds which impart modified flowability to the formulation, ie, high-level at low viscosity and low viscosity in the agitated state
  • polysaccharides such as xanthan gum (Kelzan® from Kelco), Rhodopol® 23 (Rhone Poulenc) or Veegum ® (RT Vanderbilt) and organic and inorganic layer minerals such as Attaclay® (Engelhardt).
  • antifoams are silicone emulsions (such as, for example, Silikon® SRE, Wacker or Rhodorsil® from Rhodia), long-chain alcohols, fatty acids, salts of fatty acids, organofluorine compounds and mixtures thereof.
  • Bactericides may be added to stabilize the aqueous herbicidal formulation.
  • bactericides are bactericides based on diclorophene and benzyl alcohol hemiformal (Proxel® from ICI or Acticide® RS from Thor Chemie and Kathon® MK from Rohm & Haas) and isothiazolinone derivatives such as alkylisothiazolinones and benzisothiazolinones (Acticide MBS der Fa. Thor Chemie)
  • antifreeze agents are ethylene glycol, propylene glycol, urea or glycerol.
  • colorants are both water-insoluble pigments and water-soluble dyes. Examples which may be mentioned under the names rhodamine B, Cl. Pigment Red 112 and Cl. Solvent Red 1 known dyes, and pigment blue 15: 4, pigment blue 15: 3, pigment blue 15: 2, pigment blue 15: 1, pigment blue 80, pigment yellow 1, pigment yellow 13, pigment red 1 12, pigment red 48: 1, pigment red 48: 1, pigment red 57: 1, pigment red 53: 1, pigment orange 43, pigment orange 34, pigment orange 5, pigment green 36, pigment green 7, pigment white 6, pigment brown 25, basic violet 10, basic violet 49, acid red 51, acid red 52, acid red 14, acid blue 9, acid yellow 23, basic red 10, basic red 108.
  • adhesives are polyvinyl pyrrolidone, polyvinyl acetate, polyvinyl alcohol and tylose.
  • Suitable inert additives are, for example:
  • Mineral oil fractions of medium to high boiling point such as kerosene or diesel oil, coal tar oils and oils of vegetable or animal origin, aliphatic, cyclic and aromatic hydrocarbons, e.g. Paraffin, tetrahydronaphthalene, alkylated naphthalenes or their derivatives, alkylated benzenes or their derivatives, alcohols such as methanol, ethanol, propanol, butanol, cyclohexanol, ketones such as cyclohexanone or strongly polar solvents, eg. As amines such as N-methylpyrrolidone or water.
  • amines such as N-methylpyrrolidone or water.
  • Solid carriers are mineral earths such as silicic acids, silica gels, silicates, talc, kaolin, limestone, lime, chalk, bolus, loess, clay, dolomite, diatomaceous earth, calcium and magnesium sulfate, magnesium oxide, ground plastics, fertilizers such as ammonium sulfate, ammonium phosphate, ammonium nitrate, Ureas and vegetable products such as cereal flour, tree bark, wood and nutshell flour, cellulose powder or other solid carriers.
  • mineral earths such as silicic acids, silica gels, silicates, talc, kaolin, limestone, lime, chalk, bolus, loess, clay, dolomite, diatomaceous earth, calcium and magnesium sulfate, magnesium oxide, ground plastics, fertilizers such as ammonium sulfate, ammonium phosphate, ammonium nitrate, Ureas and vegetable products such as cereal flour, tree bark, wood and nutshell flour
  • alkali alkaline earth
  • ammonium salts of aromatic sulfonic acids eg lignosulfonic acids (eg Borrespers types, Borregaard), phenolsulfonic acids, naphthalenesulfonic acids (Morwet types , Akzo Nobel) and dibutylnaphthalenesulfonic acid (Nekal types, BASF SE)
  • fatty acids alkyl and alkylaryl sulfonates, alkyl, lauryl ether and fatty alcohol sulfates, as well as salts of sulfated hexa-, hepta- and octa- decanols and also of fatty alcohol glycol ethers, condensation products of sulfonated naphthalene and its derivatives with formaldehyde, condensation products of na
  • Powders, dispersants and dusts may be prepared by mixing or co-grinding the active substances with a solid carrier.
  • Granules, e.g. Coating, impregnation and homogeneous granules can be prepared by binding the active compounds to solid carriers.
  • Aqueous application forms can be prepared from emulsion concentrates, suspensions, pastes, wettable powders or water-dispersible granules by adding water.
  • the compounds of the formula I or Ia as such or dissolved in an oil or solvent, can be homogenized in water by means of wetting agents, tackifiers, dispersants or emulsifiers.
  • concentrates consisting of active substance, wetting, adhesion, dispersing or emulsifying agent and possibly solvent or oil, which are suitable for dilution with water.
  • concentrations of the compounds of the formula I in the ready-to-use formulations can be varied within wide limits.
  • the formulations generally contain from 0.001 to 98% by weight, preferably from 0.01 to 95% by weight, of at least one active ingredient.
  • the active ingredients are used in a purity of 90% to 100%, preferably 95% to 100% (according to NMR spectrum).
  • the compounds I according to the invention can be formulated, for example, as follows:
  • active compound 15 parts by weight of active compound are dissolved in 75 parts by weight of an organic solvent (for example alkylaromatics) with the addition of calcium dodecylbenzenesulfonate and castor oil ethoxylate (in each case 5 parts by weight). Dilution in water results in an emulsion.
  • the formulation has 15% by weight active ingredient content.
  • active compound 25 parts by weight of active compound are dissolved in 35 parts by weight of an organic solvent (for example alkylaromatics) with addition of calcium dodecylbenzenesulfonate and castor oil ethoxylate (in each case 5 parts by weight).
  • organic solvent for example alkylaromatics
  • calcium dodecylbenzenesulfonate and castor oil ethoxylate in each case 5 parts by weight.
  • This mixture is added to water by means of an emulsifying machine (e.g., Ultraturax) in 30 parts by weight and made into a homogeneous emulsion. Dilution in water results in an emulsion.
  • the formulation has an active ingredient content of 25% by weight.
  • E Suspensions 20 parts by weight of active compound are comminuted with the addition of 10 parts by weight of dispersants and wetting agents and 70 parts by weight of water or an organic solvent in a stirred ball mill to give a fine active substance suspension. Dilution in water results in a stable suspension of the active ingredient.
  • the active ingredient content in the formulation is 20% by weight.
  • F Water-dispersible and water-soluble granules 50 parts by weight of active compound are finely ground with the addition of 50 parts by weight of dispersing and wetting agents and prepared by means of industrial equipment (for example extrusion, spray tower, fluidized bed) as water-dispersible or water-soluble granules. Dilution in water results in a stable dispersion or solution of the active ingredient.
  • the formulation has an active ingredient content of 50% by weight.
  • 0.5 parts by weight of active compound are finely ground and combined with 99.5 parts by weight of carriers. Common processes are extrusion, spray drying or the fluidized bed. This gives a granulate for direct application with 0.5 wt .-% active ingredient content.
  • the application of the compounds I or the herbicidal compositions containing them can take place in the pre-emergence, post-emergence or together with the seed of a crop. It is also possible to apply the herbicidal compositions or active ingredients characterized in that with the herbicidal agents or active ingredients pretreated seed of a crop plant is applied. If the active ingredients are less compatible with certain crops, then application techniques may be employed whereby the herbicidal agents are sprayed by the sprayers so as not to hit the leaves of the sensitive crops as far as possible, while the active ingredients affect the leaves underneath growing undesirable plants or the uncovered floor surface (post-directed, lay-by).
  • the application of the compounds of the formula I or of the herbicidal compositions can be carried out by treating seed.
  • the treatment of seed comprises essentially all techniques familiar to the skilled worker (seed dressing, seed coating, seed dusting, seed soaking, seed film coating, seed multilayer coating, seed encrusting, seed dripping and seed pelleting) based on the compounds of the formula according to the invention I or funds produced therefrom.
  • the herbicidal agents can be diluted or applied undiluted.
  • seed includes seeds of all kinds, e.g. Grains, seeds, fruits, tubers, cuttings and similar forms.
  • seed preferably describes grains and seeds here. Seeds of the abovementioned crops but also the seeds of transgenic or obtained by conventional breeding methods plants can be used as seeds.
  • the application rates of active ingredient are 0.001 to 3.0, preferably 0.01 to 1.0 kg / ha of active substance (a. S.).
  • the compounds I are usually used in amounts of 0.001 to 10 kg per 100 kg of seed.
  • Safeners are chemical compounds that prevent or reduce damage to crops without significantly affecting the herbicidal activity of the compounds of formula I on undesirable plants. You can probably before sowing (for example in seed treatments, cuttings or seedlings) as well as in the pre or postemergence of the crop can be used.
  • the safeners and the compounds of formula I can be used simultaneously or sequentially.
  • Suitable safeners are, for example, (quinoline- ⁇ -oxy) acetic acids, 1-phenyl-5-haloalkyl-1H-1, 2,4-triazole-3-carboxylic acids, 1-phenyl-4,5-dihydro-5 alkyl-1H-pyrazole-3,5-dicarboxylic acids, 4,5-dihydro-5,5-diaryl-3-isoxazolecarboxylic acids, dichloroacetamides, alpha-oximinophenylacetonitriles, acetophenone oximes, 4,6-dihalo-2-phenylpyrimidines, N- [ [4- (aminocarbonyl) phenyl] sulfonyl] -2-benzoic acid amides, 1,8-naphthalic anhydride, 2-halo-4- (haloalkyl) -5-thiazolecarboxylic acids, phosphorothiolates and N-alkyl-O-phenylcarba
  • the compounds of formula I can be mixed with numerous representatives of other herbicidal or growth-regulating active ingredient groups or with safeners and applied together.
  • Bilanaphos (bialaphos), bilanaphos-sodium, glufosinate and glufosinate-ammonium; b8) from the group of DHP synthase inhibitors: asulam; b9) from the group of mitosis inhibitors:
  • Y is phenyl or 5- or 6-membered heteroaryl as defined above, which may be substituted by one to three groups R aa ; R 21 , R 22 , R 23 , R 24 are H, halogen, or C 1 -C 4 -alkyl; X is O or NH; n 0 or 1.
  • R 25 is halogen, C 1 -C 4 -alkyl or C 1 -C 4 -haloalkyl;
  • R 26 is C 1 -C 4 -alkyl;
  • R 27 is halogen, C 1 -C 4 -alkoxy or C 1 -C 4 -haloalkoxy;
  • R 28 is H, halogen, Ci-C 4 - alkyl, Ci-C 4 haloalkyl or Ci-C4-haloalkoxy;
  • m is 0, 1, 2 or 3;
  • Preferred compounds of the formula 2 have the following meanings: ', 3
  • MSMA oleic acid, oxaziclomefon, pelargonic acid, pyributicarb, quinoclamin, triaziflam, tridiphan and 6-chloro-3- (2-cyclopropyl-6-methylphenoxy) -4-pyridazinol (B-10; CAS 499223-49-3 ) and its salts and esters.
  • Examples of preferred safeners C are Benoxacor, Cloquintocet, Cyometrinil, Cyprusulfamide, Dichlormid, Dicyclonon, Dietholate, Fenchlorazole, Fenclorim, Flurazole, Fluxofenim, Furilazole, Isoxadifen, Mefenpyr, Mephenate, Naphthalic Anhydride, Oxabetrinile, 4- (Dichloroacetyl ) -1-oxa-4-azaspiro [4.5] decane (B-1 1; MON4660, CAS 71526-07-3) and 2,2,5-trimethyl-3- (dichloroacetyl) -1,3-oxazolidine (B -12; R-29148, CAS 52836-31-4).
  • the active compounds of groups b1) to b15) and the safeners C are known herbicides and safeners, see, for example, US Pat. B. The Compendium of Pesticide Common Names (http://www.alanwood.net/pesticides/); B. Hock, C. Fedtke, RR Schmidt, herbicides, Georg Thieme Verlag, Stuttgart 1995. Further herbicidal active compounds are known from WO 96/26202, WO 97/411 16, WO 97/41 117, WO 97/411 18, WO 01 / 83459 and WO 2008/074991 and W. Krämer et al. (ed.) "Modern Crop Protection Compounds", Vol. 1, Wiley VCH, 2007 and the literature cited therein.
  • the invention also relates to compositions in the form of a crop protection agent formulated as a 1-component composition
  • a crop protection agent formulated as a 1-component composition
  • a combination of active substances comprising at least one pyridine compound of the formula I and at least one further active ingredient, preferably selected from the active substances of groups b1 to b15, and at least one solid or liquid carrier and / or one or more surface-active substances and, if desired, one or more further auxiliaries customary for crop protection agents.
  • the invention also relates to compositions in the form of a plant protection composition formulated as a 2-component composition, comprising a first component comprising at least one pyridine compound of the formula I, a solid or liquid carrier and / or one or more surface-active substances, and a second component containing at least one further active ingredient selected from the active compounds of groups b1 to b15, a solid or liquid carrier and / or one or more surface-active substances, wherein in addition both components may also contain other, customary for crop protection agents.
  • a plant protection composition formulated as a 2-component composition, comprising a first component comprising at least one pyridine compound of the formula I, a solid or liquid carrier and / or one or more surface-active substances, and a second component containing at least one further active ingredient selected from the active compounds of groups b1 to b15, a solid or liquid carrier and / or one or more surface-active substances, wherein in addition both components may also contain other, customary for crop protection agents.
  • the weight ratio of the active compounds A: B is generally in the range from 1: 1000 to 1000: 1, preferably in the range from 1: 500 to 500: 1, in particular in the range of 1: 250 to 250: 1 and particularly preferably in the range of 1: 75 to 75: 1.
  • the weight ratio of the active compounds A: C is generally in the range from 1: 1000 to 1000: 1, preferably in the range from 1: 500 to 500: 1, in particular in the range of 1: 250 to 250: 1 and particularly preferably in the range of 1: 75 to 75: 1.
  • the relative proportions by weight of the components A: B are generally in the range from 1: 1000 to 1000: 1, preferably in the range of 1: 500 to 500: 1, in particular in the range of 1: 250 to 250: 1 and particularly preferably in the range of 1: 75 to 75: 1, the weight ratio of the component A: C usually in Range of 1: 1000 to 1000: 1, preferably in the range of 1: 500 to 500: 1, in particular in the range of 1: 250 to 250: 1 and more preferably in the range of 1: 75 to 75: 1, and the weight ratio of the components B: C, generally in the range from 1: 1000 to 1000: 1, preferably in the range from 1: 500 to 500: 1, in particular in the range from 1: 250 to 250: 1 and particularly preferably in the range from 1: 75 to 75: 1.
  • the weight ratio of components A + B to component C is preferably in the range from 1: 500 to 500: 1, in particular in the
  • compositions according to the invention containing in each case an individualized compound of the formula I and a mixing partner, or a mixture partner combination are given in the following Table B.
  • a further embodiment of the invention relates to the compositions B-1 to B-1237 listed in Table B, wherein in each case one row of Table B corresponds to a herbicidal composition comprising an individualized in the present specification compounds of formula I (component 1) and the further active ingredient from groups b1) to b15) and / or safener C (component 2) respectively indicated in the relevant line.
  • the active ingredients in the described compositions are each preferably present in synergistically effective amounts.
  • the compounds I and the compositions according to the invention may also have a plant-strengthening effect. They are therefore suitable for mobilizing plant-own defenses against infestation by undesirable microorganisms, such as harmful fungi, but also viruses and bacteria.
  • plant-strengthening (resistance-inducing) substances are to be understood as meaning those substances which are capable of stimulating the defense system of treated plants in such a way that they develop extensive resistance to these microorganisms during subsequent inoculation with undesired microorganisms.
  • the compounds I can be used to protect plants against attack by undesired microorganisms within a certain period of time after the treatment. The period within which protection is provided generally extends from 1 to 28 days, preferably 1 to 14 days after treatment of the plants with the compounds I or after treatment of the seed, up to 9 months after sowing.
  • the compounds I and the compositions according to the invention are also suitable for increasing crop yield.
  • Step 1 Methyl 3- (4-methoxy-benzyloxy) -pyridine-2-carboxylate A solution of 15.2 g of 3-hydroxy-pyridine-2-methyl ester in 200 ml of dimethylformamide (DMF) was admixed with 4 g NaH and stirred for 20 min -25 0 C stirred. Then, 15.4 g of para-methoxybenzyl chloride was added. The mixture was stirred at 40 ° C. for about 15 hours and then poured into water. After extraction with ethyl acetate, phase separation and washing of the combined organic phases with water and sat. NaCl solution, then drying and removal of the solvent, the residue was subjected to column chromatography. 20 g of the title compound were obtained as a yellow oil.
  • DMF dimethylformamide
  • Step 2 3- (4-Methoxy-benzyloxy) -pyridine-2-carboxylic acid
  • Step 3 3- (4-Methoxy-benzyloxy) -pyridine-2-carboxylic acid pentafluorophenyl ester
  • a solution of 5 g of the acid from Step 2 and 3.5 g of pentafluorophenol in 100 mL of CH 2 Cl 2 were added 2.4 g of N, N'-diisopropylcarbodiimide dropwise.
  • the mixture was stirred at 20-25 0 C for about 1 hr, then with sat. NaCl solution and concentrated in vacuo. After purification by column chromatography on the residue (petroleum ether: ethyl acetate 5: 1), 4.6 g of the title compound were obtained.
  • Step 4 Methyl 3- [3- (4-methoxy-benzyloxy) -pyridin-2-yl] -3-oxo-2- (2-trifluoromethyl-phenyl) -propionate
  • Step 5 3- (3-Hydroxy-pyridin-2-yl) -3-oxo-2- (2-trifluoromethyl-phenyl) -propionic acid methyl ester
  • the culture vessels used were plastic pots with loamy sand with about 3.0% humus as substrate.
  • the seeds of the test plants were sown separately by species.
  • the active ingredients suspended or emulsified in water were applied directly after sowing by means of finely distributing nozzles.
  • the jars were lightly rained to promote germination and growth and then covered with clear plastic hoods until the plants had grown. This cover causes a uniform germination of the test plants, if it was not affected by the active ingredients.
  • test plants were grown depending on the growth form only to a height of from 3 to 15 cm and then treated with the suspended or emulsified in water agents.
  • the test plants were either sown directly and grown in the same containers or they were first grown separately as seedlings and transplanted into the test containers a few days before the treatment.
  • the plants were kept species-specific at temperatures of 10 - 25 ° C and 20 - 35 ° C, respectively.
  • the trial period lasted for 2 to 4 weeks. During this time, the plants were cared for, and their response to each treatment was evaluated.
  • the rating was based on a scale of 0 to 100. 100 means no emergence of the plants or complete destruction of at least the above-ground parts and 0 no damage or normal growth course.
  • a good herbicidal activity is at values of at least 70 and a very good herbicidal activity is given at values of at least 85.
  • the plants used in the greenhouse experiments were composed of the following species:
  • the active ingredient 1-1 showed at a rate of 3.0 kg / ha in Iauf on against ABUTH a good and against SETIT a very good herbicidal action.
  • the active ingredient 1-17 showed at a rate of 1, 0 kg / ha postemergence against APESV a very good herbicidal activity.
  • the active compounds 1-1, and I-8 showed at a rate of 3.0 kg / ha postemergence against AVEFA a very good herbicidal activity. 7) The active ingredient 1-1 at an application rate of 0.25 kg / ha, the active ingredients I-
  • the active ingredient 1-17 showed at a rate of 1, 0 kg / ha postemergence against CHEAL a good herbicidal action.
  • the active ingredient 1-1 showed at a rate of 0.25 kg / ha postemergence against GALAP a very good herbicidal activity.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pyridine Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

Abstract

L'invention concerne des composés hétérocycliques de formule (I) dans laquelle les variables sont définies conformément à la description, leurs sels appropriés pour l'agriculture, ainsi qu'un procédé et des produits intermédiaires pour la production des composés de formule (I), des agents qui les contiennent, et leur utilisation comme herbicides, c'est-à-dire en vue de combattre les plantes nuisibles. L'invention concerne également un procédé destiné à combattre une croissance indésirable des plantes, procédé consistant à faire agir une quantité efficacement herbicide d'au moins un composé de formule (I) sur des plantes, leurs semences et/ou leur espace biotique.
EP09765101A 2008-12-18 2009-12-07 Dérivés dicétoniques hétérocycliques à action herbicide Withdrawn EP2379503A1 (fr)

Priority Applications (1)

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EP09765101A EP2379503A1 (fr) 2008-12-18 2009-12-07 Dérivés dicétoniques hétérocycliques à action herbicide

Applications Claiming Priority (3)

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EP08172182 2008-12-18
PCT/EP2009/066514 WO2010069802A1 (fr) 2008-12-18 2009-12-07 Dérivés dicétoniques hétérocycliques à action herbicide
EP09765101A EP2379503A1 (fr) 2008-12-18 2009-12-07 Dérivés dicétoniques hétérocycliques à action herbicide

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EP2379503A1 true EP2379503A1 (fr) 2011-10-26

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EP (1) EP2379503A1 (fr)
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CN (1) CN102256945A (fr)
AR (1) AR074788A1 (fr)
BR (1) BRPI0917738A2 (fr)
TW (1) TW201028091A (fr)
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UY32344A (es) 2010-06-30
TW201028091A (en) 2010-08-01
WO2010069802A1 (fr) 2010-06-24
US20110251063A1 (en) 2011-10-13
BRPI0917738A2 (pt) 2015-08-11
CN102256945A (zh) 2011-11-23
AR074788A1 (es) 2011-02-09
JP2012512821A (ja) 2012-06-07

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