EP3145917A1 - 5-(hétéro)aryl-pyridazinones et leur utilisation comme herbicides - Google Patents

5-(hétéro)aryl-pyridazinones et leur utilisation comme herbicides

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Publication number
EP3145917A1
EP3145917A1 EP15728764.0A EP15728764A EP3145917A1 EP 3145917 A1 EP3145917 A1 EP 3145917A1 EP 15728764 A EP15728764 A EP 15728764A EP 3145917 A1 EP3145917 A1 EP 3145917A1
Authority
EP
European Patent Office
Prior art keywords
ome
alkyl
alkoxy
alkylamino
halogen
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Withdrawn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
EP15728764.0A
Other languages
German (de)
English (en)
Inventor
Hartmut Ahrens
Jörg Tiebes
Christian Waldraff
Hansjörg Dietrich
Dirk Schmutzler
Elmar Gatzweiler
Christopher Rosinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer CropScience AG
Original Assignee
Bayer CropScience AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer CropScience AG filed Critical Bayer CropScience AG
Publication of EP3145917A1 publication Critical patent/EP3145917A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
    • C07D237/02—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings
    • C07D237/06—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D237/10—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-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
    • C07D237/14—Oxygen atoms
    • C07D237/16—Two oxygen atoms
    • 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
    • A01N43/58—1,2-Diazines; Hydrogenated 1,2-diazines
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
    • C07D237/02—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings
    • C07D237/06—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D237/10—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-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
    • C07D237/14—Oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond

Definitions

  • the invention relates to the technical field of herbicides, in particular that of herbicides for the selective control of weeds and weeds in
  • WO2013 / 050421 A1 describes pyridazinones as herbicides. There, pyridazinones are also described which, inter alia, carry a sulfonyl radical in a specific position of a heteroaryl ring. However, these agents do not always have a sufficient effect against harmful plants and / or they are sometimes not sufficiently compatible with some important crops, such as
  • Object of the present invention is to provide alternative herbicidal active ingredients. This object is achieved by providing 5- (hetero) aryl-pyridazinones, which in one particular position of the (hetero) aryl ring one
  • An object of the present invention are thus 5- (hetero) aryl-pyridazinone of the formula (I) or salts thereof
  • R 1 represents hydrogen, (Ci-C 6) -alkyl, (C3-C6) cycloalkyl, (C2-C6) alkenyl, (C 2 - C 6) alkynyl, halo (Ci-C 6) -alkyl, (C 1 -C 6 ) -alkoxy- (C 1 -C 3 ) -alkyl, (C 3 -C 6 ) -cycloalkyl- (C 1 -C 3) -alkyl, tetrahydropyranyl or in each case benzyl substituted by s radicals R 9 ;
  • R 2 denotes hydrogen, hydroxyl, halogen, nitro, amino, cyano, (C 1 -C 6 ) -alkyl, (C 1 -C 3 ) -alkoxy, (C 3 -C 6 ) -cycloalkyl, (C 2 -C 6 ) -alkenyl, (C2-C6)
  • R 3 is hydrogen, (C 1 -C 6 ) -alkyl (O) C, aryl (O) C, (C 1 -C 6 ) -alkoxy- (O) C, (C 1 -C 6 ) -alkyl ( O) n S, (C 1 -C 6 ) -alkyl (O) n S (O) C or aryl- (O) n S, where the aryl groups are each substituted by s radicals R 9 ;
  • R 4 is hydroxy, halogen, cyano, nitro, (C 1 -C 6 ) -alkyl, (C 3 -C 6 ) -cycloalkyl, halogeno (C 1 -C 6 ) -alkyl, (C 2 -C 6 ) -alkenyl, halogen - (C2-C6) alkenyl, (C2-C6) -alkynyl, (Ci- C 6) alkoxy, (
  • A is a direct bond or (C 1 -C 4 ) -alkylene, where the methylene groups in (C 1 -C 4 ) -alkylene independently of one another are n radicals from the group consisting of Halogen, (C 1 -C 4 ) -alkyl, halogeno (C 1 -C 4 ) -alkyl, (C 1 -C 4 ) -alkoxy, halogeno (C 1 -C 4 ) -alkoxy or (C 1 -C 4 ) -alkoxy- (C 1 -C 4 ) -alkyl C 4 ) -alkyl;
  • R 5 represents (C 1 -C 6 ) -alkyl, (C 3 -C 6 ) -cycloalkyl, (C 3 -C 6 ) -cycloalkyl- (C 1 -C 6 ) -alkyl, (C 1 -C 6 ) -alkoxy- (C 1 -C 4 -alkyl) 6 ) -alkyl;
  • X 1 represents N or CR 6 ;
  • X 2 is N or CR 7 ;
  • X 3 is N or CR 8 ;
  • R 6 and R 7 are each independently hydrogen, halogen, (C1-C3) - alkyl, (Ci-C 3) alkoxy, (C 2 -C 3) alkenyl, (C 2 -C 3) alkynyl, Halogeno (C 1 -C 3 ) -alkyl, halogeno (C 1 -C 3 ) -alkoxy;
  • R 8 denotes hydrogen, hydroxyl, halogen, cyano, nitro, (C 1 -C 6 -alkyl, (C 3 -C 6 ) -cycloalkyl, halogeno (C 1 -C 6 ) -alkyl, (C 2 -C 6 ) -alkenyl, halogen (C2-C6) alkenyl, (C 2 -C 6) - alkynyl, (Ci-Ce) alkoxy, (C2-C6) alkenyloxy, (C 3 -C 6) -cycloalkyl- (Ci-C 3 ) alkyl, (Ci-C6) - alkoxy- (Ci-C 3) alkyl, (Ci-C6) alkoxy (C2-C 6) alkoxy, (Ci-C6) alkoxy (C2- C 6) alkoxy (Ci- C3) alkyl, halo (Ci-C 6) alkoxy, halo (
  • R 7 and R 8 together with the carbon atoms to which they are attached form a saturated or unsaturated, five- or six-membered ring, the s
  • R 9 is halogen, (C 1 -C 3 ) -alkyl, halogeno (C 1 -C 3 ) -alkyl, (C 1 -C 6) -alkoxy;
  • R 10 is cyano, halogen, (Ci-C 3) -alkyl- (O) n S, (Ci-C 3) alkyl, (C 2 -C 3) alkenyl, (C2-C3) alkynyl, Halogeno (C 1 -C 3 ) -alkyl or morpholinyl; n is e is 1 or 2; s is 0, 1, 2 or 3,
  • R 5 is not (C 1 -C 6) -alkyl when A is a direct bond.
  • alkyl radicals having more than two carbon atoms may be straight-chain or branched.
  • Alkyl radicals mean e.g. Methyl, ethyl, n- or i-propyl, n-, i-, t- or 2-butyl, pentyls, hexyls, such as n-hexyl, i-hexyl and 1, 3-dimethylbutyl.
  • alkenyl means e.g. Allyl, 1-methylprop-2-en-1-yl,
  • Alkynyl means e.g. Propargyl, but-2-yn-1-yl, but-3-yn-1-yl, 1-methyl-but-3-yn-1-yl.
  • the multiple bond can each be in any position of the unsaturated radical.
  • Cycloalkyl means a carbocyclic saturated ring system having three to six C atoms, e.g. Cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl.
  • cycloalkenyl means a monocyclic alkenyl group having three to six carbon ring members, e.g. Cyclopropenyl, cyclobutenyl,
  • Cyclopentenyl and cyclohexenyl, wherein the double bond may be in any position.
  • Halogen is fluorine, chlorine, bromine or iodine.
  • Heterocyclyl means a saturated, partially saturated, fully unsaturated or aromatic cyclic radical containing from 3 to 6 ring atoms, of which from 1 to 4 of the group consisting of oxygen, nitrogen and sulfur, and which may additionally be fused by a benzo ring.
  • ring atoms of which from 1 to 4 of the group consisting of oxygen, nitrogen and sulfur, and which may additionally be fused by a benzo ring.
  • Aryl is phenyl or naphthyl.
  • the compounds of the general formula (I) can exist as stereoisomers. For example, if one or more asymmetrically substituted carbon atoms are present, enantiomers and diastereomers may occur. Likewise, stereoisomers occur when n is 1
  • Stereoisomers can be obtained from the mixtures obtained in the preparation by customary separation methods, for example by chromatographic separation methods. Likewise, stereoisomers can be prepared by using stereoselective reactions using optically active starting materials and / or
  • the invention also relates to all stereoisomers and mixtures thereof which are of the general formula (I), but not specifically defined.
  • the compounds of formula (I) can form salts. Salt formation can through
  • Suitable bases are organic amines, such as trialkylamines, morpholine, piperidine and pyridine, and ammonium, alkali metal or alkaline earth metal hydroxides, carbonates
  • alkylsulfonium and alkylsulfoxonium salts such as (C 1 -C 4 ) -trialkylsulfonium and (C 1 -C 4 ) -trialkylsulfoxonium salts.
  • R 1 represents hydrogen, (Ci-C 6) -alkyl, (C3-C6) cycloalkyl, (C2-C6) alkenyl, (C 2 -
  • R 2 is hydrogen, halogen, cyano, (Ci-C 6) -alkyl, (C2-C6) alkenyl, (C 2 -C 6) - alkynyl, halo (Ci-C 6) alkyl or (C -C 6 ) alkyl (O) n S;
  • R 3 is hydrogen
  • R 4 is hydroxy, halogen, cyano, nitro, (C 1 -C 6 ) -alkyl, (C 3 -C 6 ) -cycloalkyl, halogeno (C 1 -C 6 ) -alkyl, (C 2 -C 6 ) -alkenyl, halogen - (C2-C6) alkenyl, (C2-C6) -alkynyl, (Ci- C 6) alkoxy, (C2-C6) alkenyloxy, (C 3 -C 6) -cycloalkyl- (Ci-C 3) alkyl, (Ci-C 6) alkoxy (Ci- C3) -alkyl, (Ci-C6) alkoxy (Ci- C3) -alkyl, (Ci-C6) alkoxy- -Al (C 2 -C 6) -al koxy, (Ci-C6 ) -Al koxy- (C 2 -
  • R 5 represents (Ci-C 6) -alkyl, (C 3 -C 6) -cycloalkyl, (C 3 -C 6) -cycloalkyl- (Ci-C 6) alkyl, (Ci- C 6) alkoxy- -Al (C 1 -C 6 ) -alken I;
  • X 1 is CR 6 ;
  • X 2 is CR 7 ;
  • X 3 is CR 8 ;
  • R 6 and R 7 are independently hydrogen, halogen, (Ci-C 3) alkyl, (Ci- C3) alkoxy, R 6 and R 7 (C 2 -C 3) alkenyl, (C 2 -C 3) alkynyl, Halogeno (C 1 -C 3 ) -alkyl, halogeno (C 1 -C 8) -alkoxy;
  • R 8 is hydrogen, hydroxy, halogen, cyano, nitro, (Ci-C 6) -alkyl, (C 3 -C 6) - cycloalkyl, halo (Ci-C 6) alkyl, (C2-C6) - alkenyl, halo (C2-C6) alkenyl, (C 2 -C 6) - alkynyl, (Ci-Ce) alkoxy, (C2-C6) alkenyloxy, (C 3 -C 6) cycloalkyl (Ci-C 3) alkyl
  • R 7 and R 8 together with the carbon atoms to which they are attached form a saturated or unsaturated, five- or six-membered ring, the s
  • R 10 is cyano, halogen, (C 1 -C 3 ) -alkyl- (O) n S, (C 1 -C 5) -alkyl,
  • R 5 is not (C 1 -C 6) -alkyl when A is a direct bond.
  • R 1 represents (C 1 -C 4 ) -alkyl, cyclopropyl, vinyl, propargyl, difluoromethyl or
  • R 2 is hydrogen, halogen or (C 1 -C 6) -alkyl;
  • R 3 is hydrogen;
  • R 4 represents hydroxy, halogen, cyano, nitro, (Ci-C 6) -alkyl, (C 3 -C 6) cycloalkyl, halo (Ci-C 6) alkyl, (C2-C6) alkenyl, (C2-C6) -alkynyl, (Ci-Ce) alkoxy, (Ci-Ce) alkoxy (Ci -C 3) -alkyl, (Ci-C6) alkoxy- -Al (C 2 -C 6) -al koxy, (Ci-C6) alkoxy- -Al (C 2 -C 6) -al alkoxy- (Ci-C3) - alkyl, halo (Ci-C 6) alkoxy, halo ( Ci-C 6) alkoxy (Ci-C 3) alkyl, (Ci-Ce) alkyl- (O) n S, halo (Ci-C 6) -
  • R 5 represents (Ci-C 6) -alkyl, (C3-C6) -cycloalkyl, (C3-C6) cycloalkyl (Ci-C 6) alkyl, (Ci- C 6) -alkyl alkoxy- (C -C 6 ) -alken I;
  • X 1 is CR 6 ;
  • X 2 is CR 7 ;
  • X 3 is CR 8 ;
  • R 6 and R 7 independently of one another are hydrogen, halogen or (C 1 -C 5) -alkyl
  • R 8 is hydrogen, halogen, nitro, (C 1 -C 6 ) -alkyl, (C 3 -C 6 ) -cycloalkyl,
  • R 5 is not (C 1 -C 6) -alkyl when A is a direct bond.
  • R 3 is hydrogen
  • R 4 is methyl, halogen, trifluoromethyl or methylsulfonyl
  • A is a direct bond, -Ch - or -CH 2 CH 2 -;
  • R 5 is methyl, ethyl, cyclopropyl, cyclopropylmethyl, methoxyethyl;
  • X 1 is CR 6 ;
  • X 2 is CR 7 ;
  • X 3 is CR 8 ;
  • R 6 and R 7 are hydrogen;
  • R 8 is hydrogen, halogen, methyl, ethyl, n-propyl, isopropyl, cyclopropyl, trifluoromethyl, difluoromethyl, vinyl, allyl, ethynyl, propargyl, methylsulfonyl or ethylsulfonyl,
  • R 5 is not methyl or ethyl when A is a direct bond.
  • bromoaromatics on which the compounds according to the invention are based can be synthesized by methods well known in the literature.
  • bromoaromatics bearing a methyl group in the ortho position, a sulfur radical in the meta position and a trifluoromethyl group in the para position can be prepared according to the method given in Scheme 1.
  • 4-bromo-2-fluoro-1 - (trifluoromethyl) benzene is subjected to lithiation with a sterically hindered base such as lithium tetramethylpiperidide, which is directed to the 3-position.
  • the carbanion is then converted with dimethylformamide into the corresponding benzaldehyde. This type of reaction is described in WO 2009/108838.
  • the thioether can be further oxidized to the corresponding sulfoxide or sulfone.
  • Oxidation methods which lead selectively to the sulfoxide or sulfone are known in the literature.
  • a number of oxidation systems are suitable, for example peracids such as meta-chloroperbenzoic acid, which are optionally generated in situ (for example peracetic acid in the system acetic acid / hydrogen peroxide / sodium wolfram (VI)) (Houben-Weyl, Methoden der Organischen Chemie, Georg Thieme Verlag Stuttgart, Vol. E 1 1, extensions and follow-up volumes to the fourth edition 1985, p 702 ff, p 718 ff and p 1 194 ff.).
  • n 1 or 2
  • n 1 or 2
  • the work-up of the respective reaction mixtures is generally carried out by known methods, for example by crystallization, aqueous-extractive work-up, by chromatographic methods or by combination of these methods.
  • the listed equipment leads to a modular procedure, in which the individual work steps are automated, but between the work steps, manual operations must be performed.
  • This can be circumvented by the use of partially or fully integrated automation systems in which the respective automation modules are operated, for example, by robots.
  • Such automation systems can be obtained, for example, from Caliper, Hopkinton, MA 01748, USA.
  • Synthetic methods allow a number of literature-known protocols, the can be executed again manually or automatically.
  • the reactions can be carried out, for example, by means of IRORI technology in microreactors (microreactors) from Nexus Biosystems, 12140 Community Road, Poway, CA92064, USA.
  • the preparation according to the methods described herein provides compounds of formula (I) and their salts in the form of substance collections called libraries.
  • the present invention also provides libraries containing at least two compounds of formula (I) and their salts.
  • the compounds of the invention have an excellent herbicidal
  • Harmful plants that drive off rhizomes, rhizomes or other permanent organs are well detected by the active ingredients.
  • the present invention therefore also provides a method for controlling unwanted plants or for regulating the growth of plants, preferably in plant crops, wherein one or more of the present invention
  • Compound (s) on the plants e.g., weeds such as mono- or dicotyledons
  • the seeds eg grains, seeds or vegetative propagules such as tubers or sprout parts with buds
  • the area on which the plants grow eg the acreage
  • the compounds according to the invention can be applied, for example, in pre-sowing (optionally also by incorporation into the soil), pre-emergence or postemergence process.
  • some representatives of the monocotyledonous and dicotyledonous weed flora may be mentioned which control the compounds according to the invention without being restricted to certain species.
  • the compounds according to the invention are applied to the surface of the earth prior to germination, either the emergence of the weed seedlings is completely prevented or the weeds grow up to the cotyledon stage, but then stop their growth and finally die after three to four weeks
  • the compounds of the invention have excellent herbicidal activity against mono- and dicotyledonous weeds, crops of economically important crops, e.g. dicotyledonous cultures of the genera Arachis, Beta, Brassica, Cucumis, Cucurbita, Helianthus, Daucus, Glycine, Gossypium,
  • Crops such as agricultural crops or ornamental plantings.
  • Inhibition of vegetative growth plays an important role in many monocotyledonous and dicotyledonous crops, as, for example, storage formation can be reduced or completely prevented.
  • the active compounds can also be used to control harmful plants in crops of genetically engineered or conventional mutagenized plants.
  • the transgenic plants are usually characterized by particular advantageous properties, for example by resistance to certain pesticides, especially certain herbicides, resistance to plant diseases or pathogens of plant diseases such as certain insects or microorganisms such as fungi, bacteria or viruses.
  • Other special special traits for example by resistance to certain pesticides, especially certain herbicides, resistance to plant diseases or pathogens of plant diseases such as certain insects or microorganisms such as fungi, bacteria or viruses.
  • Properties relate to e.g. the crop in terms of quantity, quality, shelf life, composition and special ingredients.
  • transgenic plants with increased starch content or altered quality of the starch or those with other fatty acid composition of the crop are known.
  • transgenic cultures Preferred with respect to transgenic cultures is the use of the compounds of the invention in economically important transgenic crops of useful and Ornamental plants, eg of cereals such as wheat, barley, rye, oats, millet, rice and maize or also crops of sugar beet, cotton, soybean, rapeseed, potato, cassava, tomato, pea and other vegetables.
  • cereals such as wheat, barley, rye, oats, millet, rice and maize or also crops of sugar beet, cotton, soybean, rapeseed, potato, cassava, tomato, pea and other vegetables.
  • the compounds of the invention as herbicides in
  • Crop plants are used, which are resistant to the phytotoxic effects of herbicides or have been made genetically resistant.
  • Glufosinate see, for example, EP-A-0242236, EP-A-242246) or glyphosate
  • transgenic crops for example cotton, with the ability
  • Bacillus thuringiensis toxins Bacillus thuringiensis toxins (Bt toxins) to produce, which the
  • transgenic crops with modified fatty acid composition (WO 91/13972).
  • nucleic acid molecules can be used in any genetic manipulations.
  • nucleic acid molecules can be used in any genetic manipulations.
  • Plasmids are introduced which allow mutagenesis or a sequence change by recombination of DNA sequences. With the help of standard methods z. For example, base substitutions are made, partial sequences are removed, or natural or synthetic sequences are added.
  • adapters or linkers can be attached to the fragments, see, for example, US Pat. Sambrook et al., 1989, Molecular Cloning, A Laboratory Manual, 2nd ed. Cold Spring Harbor Laboratory Press, Cold Spring Harbor, NY, or Winnacker "Gene and Clones", VCH Weinheim 2nd edition, 1996
  • the production of plant cells having a reduced activity of a gene product can be achieved, for example, by the expression of at least one
  • DNA molecules may be used which comprise the entire coding sequence of a gene product, including any flanking sequences that may be present, as well as DNA molecules which comprise only parts of the coding sequence, which parts must be long enough to be present in the cells to cause an antisense effect. It is also possible to use DNA sequences that have a high degree of homology to the coding sequences of a gene product but are not completely identical.
  • the synthesized protein may be located in any compartment of the plant cell. But to achieve the localization in a particular compartment, z.
  • the coding region can be linked to DNA sequences that ensure localization in a particular compartment. Such sequences are known in the art (see, for example, Braun et al., EMBO J. 1 1 (1992), 3219-3227, Wolter et al., Proc. Natl. Acad., U.S.A. 85 (1988), 846-850, Sonnewald et al., Plant J. 1 (1991), 95-106). Expression of the nucleic acid molecules can also be found in the
  • Organelles of the plant cells take place.
  • the transgenic plant cells can be regenerated to whole plants by known techniques.
  • the transgenic plants may, in principle, be plants of any plant species, that is, both monocotyledonous and dicotyledonous plants.
  • transgenic plants are available, the altered properties by
  • the compounds of the invention can be used in transgenic cultures which are resistant to growth factors, such as. B. Dicamba or against
  • Herbicides containing essential plant enzymes e.g. As acetolactate synthases (ALS), EPSP synthases, glutamine synthases (GS) or Hydroxyphenylpyruvat dioxygenases (HPPD) inhibit or herbicides from the group of sulfonylureas, the glyphosate, glufosinate or benzoylisoxazole and analogues, resistant.
  • ALS acetolactate synthases
  • EPSP synthases glutamine synthases
  • HPPD Hydroxyphenylpyruvat dioxygenases
  • Harmful plants often have effects that apply to the application in the respective transgenic culture, such as a modified or specially extended weed spectrum that can be controlled altered
  • the invention therefore also relates to the use of the compounds according to the invention as herbicides for controlling harmful plants in transgenic
  • the compounds of the invention may be in the form of wettable powders
  • the invention therefore also relates to herbicidal and plant growth-regulating agents which contain the compounds according to the invention.
  • the compounds according to the invention can be formulated in various ways, depending on which biological and / or chemical-physical parameters are predetermined. Possible formulation options are, for example: wettable powder (WP), water-soluble powders (SP), water-soluble concentrates,
  • EC emulsifiable concentrates
  • EW emulsions
  • Water-in-oil emulsions sprayable solutions, suspension concentrates (SC), oil- or water-based dispersions, oil-miscible solutions, capsule suspensions (CS), dusts (DP), mordants, granules for spreading and soil application, granules (GR) in the form of micro, spray, elevator and adsorption granules, water-dispersible granules (WG), water-soluble granules (SG),
  • the necessary formulation auxiliaries such as inert materials, surfactants, solvents and other additives are also known and are, for example described in Watkins, "Handbook of Insecticide Dust Diluents and Carriers,” 2nd Ed., Darland Books, Caldwell NJ, Hv Olphen, "Introduction to Clay Colloid
  • Spray powders are preparations which are uniformly dispersible in water and which, in addition to the active ingredient, are surfactants other than a diluent or inert substance ionic and / or nonionic type (wetting agent, dispersant), for example polyoxyethylated alkylphenols, polyoxethylated fatty alcohols, polyoxethylated fatty amines, fatty alcohol polyglycol ether sulfates, alkane
  • the herbicidal active compounds are finely ground, for example, in customary apparatus such as hammer mills, blower mills and air-jet mills and mixed simultaneously or subsequently with the formulation auxiliaries.
  • Emulsifiable concentrates are made by dissolving the active ingredient in one
  • organic solvents e.g. Butanol, cyclohexanone, dimethylformamide, xylene or higher-boiling aromatics or hydrocarbons or mixtures of organic solvents with the addition of one or more surfactants of ionic and / or nonionic type (emulsifiers).
  • emulsifiers which may be used are: alkylarylsulfonic acid calcium salts, such as
  • Ca-dodecylbenzenesulfonate or nonionic emulsifiers such as
  • Fatty acid polyglycol esters alkylaryl polyglycol ethers, fatty alcohol polyglycol ethers,
  • Propylene oxide-ethylene oxide condensation products alkyl polyethers, sorbitan esters such as For example, sorbitan fatty acid esters or Polyoxethylenensorbitanester such as
  • Dusts are obtained by milling the active ingredient with finely divided solids, e.g. Talc, natural clays such as kaolin, bentonite and pyrophyllite, or diatomaceous earth.
  • finely divided solids e.g. Talc, natural clays such as kaolin, bentonite and pyrophyllite, or diatomaceous earth.
  • Suspension concentrates may be water or oil based. They can be prepared, for example, by wet grinding using commercially available bead mills and, if appropriate, addition of surfactants, as described, for example, in US Pat. upstairs with the others
  • Emulsions e.g. Oil-in-water emulsions (EW) can be prepared, for example, by means of stirrers, colloid mills and / or static mixers using aqueous organic solvents and optionally surfactants, as described e.g. listed above for the other formulation types.
  • EW Oil-in-water emulsions
  • Granules can be prepared either by spraying the active ingredient on adsorptive, granulated inert material or by applying
  • Active substance concentrates by means of adhesives, e.g. Polyvinyl alcohol, polyacrylic acid sodium or mineral oils, on the surface of carriers such as sand, kaolinites or granulated inert material. It is also possible to granulate suitable active ingredients in the manner customary for the production of fertilizer granules, if desired in admixture with fertilizers.
  • adhesives e.g. Polyvinyl alcohol, polyacrylic acid sodium or mineral oils
  • carriers such as sand, kaolinites or granulated inert material. It is also possible to granulate suitable active ingredients in the manner customary for the production of fertilizer granules, if desired in admixture with fertilizers.
  • Water-dispersible granules are generally prepared by the usual methods such as spray drying, fluidized bed granulation, plate granulation, mixing with high-speed mixers and extrusion without solid inert material.
  • spray drying fluidized bed granulation
  • plate granulation mixing with high-speed mixers and extrusion without solid inert material.
  • the agrochemical preparations generally contain from 0.1 to 99% by weight, in particular from 0.1 to 95% by weight, of compounds according to the invention.
  • the drug concentration is e.g. about 10 to 90 wt .-%, the balance to 100 wt .-% consists of conventional formulation ingredients.
  • the active ingredient concentration may be about 1 to 90, preferably 5 to 80 wt .-%.
  • Dust-like formulations contain 1 to 30 wt .-% of active ingredient, preferably usually 5 to 20 wt .-% of active ingredient, sprayable solutions contain about 0.05 to 80, preferably 2 to 50 wt .-% of active ingredient.
  • the active ingredient content depends, in part, on whether the active compound is liquid or solid and which
  • Granulation aids, fillers, etc. are used. In the water
  • the content of active ingredient is for example between 1 and 95 wt .-%, preferably between 10 and 80 wt .-%.
  • the active substance formulations mentioned optionally contain the customary adhesive, wetting, dispersing, emulsifying, penetrating, preserving,
  • Evaporation inhibitors and pH and viscosity affecting agents are optionally diluted in a customary manner, e.g. for wettable powders, emulsifiable concentrates, dispersions and water-dispersible granules by means of water. Dust-like preparations, ground or scattered granules and sprayable solutions are usually no longer diluted with other inert substances before use.
  • the required application rate of the compounds of the formula varies (I). It can vary within wide limits, eg between 0.001 and 1.0 kg / ha or more of active substance, but is preferably between 0.005 and 750 g / ha.
  • Step 1 Synthesis of 6-bromo-2-fluoro-3- (trifluoromethyl) benzaldehyde
  • Step 2 Synthesis of 6-bromo-2- (ie / t-butylsulfanyl) -3- (thfluoromethyl) benzaldehyde
  • 30.3 g (335.8 mmol) of tert-butylmercaptan were added to a solution of 65.0 g (239.8 mmol) of 6 -Bromo-2-fluoro-3- (trifluoromethyl) benzaldehyde and 66.3 g (479.7 mmol) of potassium carbonate in 500 ml of ⁇ , ⁇ -dimethylformamide.
  • the mixture was stirred for 12 hours at this temperature. Subsequently, 15.6 g (48.0 mmol)
  • Step 3 Synthesis of [6-bromo-2- (feri-butylsulfanyl) -3- (thfluoromethyl) phenyl] methanol
  • Step 4 Synthesis of 6-bromo-2- (Fe / t-butylsulfanyl) -3- (trifluoromethyl) benzyl methanesulfonate
  • Step 5 Synthesis of 1-Bromo-3- (tert-butylsulfanyl) -2-methyl-4- (trifluoromethyl) benzene
  • Step 6 Synthesis of 3-bromo-2-ethyl-6- (thfluoromethyl) benzenethiol 23.7 g (137.5 mmol) of 4-methylbenzenesulfonic acid were added to a solution of 45.0 g (137.5 mmol) of 1-bromo-3- (tert-butylsulfanyl) 2-methyl-4- (trifluoromethyl) benzene in 175 ml of toluene. The mixture was refluxed for 2 h. The solvent was removed on a rotary evaporator and the residue was dissolved in 200 ml
  • Step 7 Synthesis of 1-Bromo-3 - [(cyclopropylmethyl) sulfanyl] -2-methyl-4- (trifluoromethyl) benzene
  • Step 8 Synthesis of 5- ⁇ 3 - [(Cyclopropylmethyl) sulfanyl] -2-methyl-4- (trifluoromethyl) phenyl ⁇ -4-methoxy-2-methylpyridazine-3 (2H) -one
  • Step 9 Synthesis of 5- ⁇ 3 - [(Cyclopropylmethyl) sulfonyl] -2-methyl-4- (trifluoromethyl) phenyl ⁇ -4-methoxy-2-methylpyridazine-3 (2H) -one
  • Step 10 Synthesis of 5- ⁇ 3 - [(Cyclopropylmethyl) sulfonyl] -2-methyl-4- (trifluoromethyl) phenyl ⁇ -4-hydroxy-2-methylpyridazine-3 (2H) -one
  • Table 8 Compounds of the invention of the general formula (I) in the form of the sodium salts, wherein R 1 is a methyl group and R 2 is hydrogen, A is -CH 2 -, X 1 and X 2 are each CH and X 3 is CR 8
  • Table 1 1 Compounds of the invention of the general formula (I) wherein R 1 is a methyl group, R 2 and R 3 are each hydrogen, A is -Ch -, X 1 is CH and X 2 is N and X 3 is CR 8
  • Table 12 Compounds of the invention of the general formula (I) wherein R 1 is a methyl group, R 2 and R 3 are each hydrogen, A is a direct bond, X 1 is N, X 2 is CH and X 3 is CR 8
  • NMR peak list method Numerous compounds of the formula (I) according to the invention mentioned in the above tables are subsequently disclosed by NMR data in the so-called NMR peak list method.
  • the 1 H NMR data of selected examples are recorded in the form of 1 H NMR peaks.
  • For each signal peak first the ⁇ value in ppm and then the signal intensity in round brackets are listed.
  • the ⁇ value-signal intensity number pairs of different signal peaks are determined by
  • the intensity of sharp signals correlates with the height of the signals in a printed example of an NMR spectrum in cm and shows the true ratios of the signal intensities. For broad signals, multiple peaks or the center of the signal and their relative intensity can be shown compared to the most intense signal in the spectrum.
  • the lists of the 1 H NMR peaks are similar to the classical 1 H NMR prints and thus usually contain all the peaks listed in a classical NMR interpretation. In addition, they can, like classical 1 H NMR prints solvent signals, signals from stereoisomers of the
  • Target compounds which are also the subject of the invention, and / or show peaks of impurities.
  • connection signals in the delta range of solvents and / or water are the usual in our lists of 1 H NMR peaks
  • Solvent peaks for example peaks of DMSO in DMSO-D6 and the peak of water, which are usually high in average intensity.
  • peaks of stereoisomers of the compounds according to the invention and / or peaks of impurities usually have on average a lower intensity than the peaks of the compounds according to the invention (for example with a purity of> 90%).
  • Such stereoisomers and / or impurities may be typical of the particular preparation process. Their peaks can thus help to detect the reproduction of our manufacturing process by "by-product fingerprints.”
  • a dust is obtained by mixing 10 parts by weight of a compound of formula (I) and / or salts thereof and 90 parts by weight of talc as an inert material and comminuting in a hammer mill.
  • a wettable powder easily dispersible in water is obtained by adding 25 parts by weight of a compound of formula (I) and / or its salts, 64 parts by weight of kaolin-containing quartz as inert material, 10 parts by weight
  • a dispersion concentrate which is readily dispersible in water is obtained by reacting 20 parts by weight of a compound of the formula (I) and / or salts thereof with 6 parts by weight of alkylphenol polyglycol ether ( ⁇ Triton X 207), 3 parts by weight
  • Mineral oil (boiling range, for example, about 255 to about 277 C) mixed and ground in a ball mill to a fineness of less than 5 microns.
  • An emulsifiable concentrate is obtained from 15 parts by weight of a
  • the compounds according to the invention formulated in the form of wettable powders (WP) or as emulsion concentrates (EC) are then used as aqueous suspension or
  • the in shape of wettable powders (WP) or formulated as emulsion concentrates (EC) compounds of the invention are then as aqueous suspension or
  • the inventive compounds Nos. 1 -553, 1 -554, 1 -555, 1 -1069, 1 -1070 and 1 -1071 at an application rate of 20 g per hectare each showed an 80% to 100% effect against Abutilon theophrasti and Viola tricolor and at the same time no damage in wheat.
  • Table 2 Action against weed plants in postemergence
  • Table V3 Action against weed plants in postemergence
  • Table V4 Action against weed plants in postemergence
  • Table V5 Action against weed plants in postemergence
  • Table V6 Post-emergence damage to crops
  • Table V7 Post-emergence damage to crops
  • Table V8 Post-emergence damage to crops
  • Table V9 Post-emergence damage to crops

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

Abstract

L'invention concerne des 5-(hétéro)aryl-pyridazinones de formule générale (I) et leur utilisation comme herbicides. Dans cette formule (I), R1, R2, R3, R4 et R5 désignent des restes tels qu'hydrogène, des restes organiques tels qu'alkyle et d'autres restes tels qu'halogène. X1, X2 et X3 désignent azote ou un atome de carbone éventuellement substitué.
EP15728764.0A 2014-05-21 2015-05-19 5-(hétéro)aryl-pyridazinones et leur utilisation comme herbicides Withdrawn EP3145917A1 (fr)

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AR (1) AR100448A1 (fr)
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GB201507464D0 (en) 2015-04-30 2015-06-17 Syngenta Participations Ag Herbicidal compounds
BR112018017303B1 (pt) * 2016-03-30 2022-08-09 Ishihara Sangyo Kaisha, Ltd Composto tipo piridazinona ou seu sal, e herbicida compreendendo o mesmo
WO2017169894A1 (fr) 2016-03-31 2017-10-05 住友化学株式会社 Composé hétérocyclique
BR112022003616A2 (pt) * 2019-09-25 2022-05-24 Nippon Soda Co Composto, herbicida, e, método para controlar ervas daninhas monocotiledôneas e/ou dicotiledôneas
JPWO2021060225A1 (fr) * 2019-09-25 2021-04-01
AR124943A1 (es) * 2021-03-19 2023-05-24 Nippon Soda Co Compuesto 7-oxa-3,4-diazabiciclo[4.1.0]hept-4-en-2-ona y herbicida
AR125081A1 (es) * 2021-03-22 2023-06-07 Nippon Soda Co Composición herbicida

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EP0131624B1 (fr) 1983-01-17 1992-09-16 Monsanto Company Plasmides de transformation de cellules vegetales
BR8404834A (pt) 1983-09-26 1985-08-13 Agrigenetics Res Ass Metodo para modificar geneticamente uma celula vegetal
BR8600161A (pt) 1985-01-18 1986-09-23 Plant Genetic Systems Nv Gene quimerico,vetores de plasmidio hibrido,intermediario,processo para controlar insetos em agricultura ou horticultura,composicao inseticida,processo para transformar celulas de plantas para expressar uma toxina de polipeptideo produzida por bacillus thuringiensis,planta,semente de planta,cultura de celulas e plasmidio
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DE3733017A1 (de) 1987-09-30 1989-04-13 Bayer Ag Stilbensynthase-gen
WO1991013972A1 (fr) 1990-03-16 1991-09-19 Calgene, Inc. Desaturases de plantes - compositions et emplois
ATE212670T1 (de) 1990-06-18 2002-02-15 Monsanto Technology Llc Erhöhter stärkegehalt in pflanzen
JP3173784B2 (ja) 1990-06-25 2001-06-04 モンサント カンパニー グリホセート耐性植物
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GB201117019D0 (en) 2011-10-04 2011-11-16 Syngenta Ltd Herbicidal compounds

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JP2017518984A (ja) 2017-07-13
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AR100448A1 (es) 2016-10-05
CN106536487A (zh) 2017-03-22
US20170096402A1 (en) 2017-04-06

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