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US20180000084A1 - Use of picolinamide compounds with fungicidal activity - Google Patents

Use of picolinamide compounds with fungicidal activity Download PDF

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Publication number
US20180000084A1
US20180000084A1 US15/540,569 US201515540569A US2018000084A1 US 20180000084 A1 US20180000084 A1 US 20180000084A1 US 201515540569 A US201515540569 A US 201515540569A US 2018000084 A1 US2018000084 A1 US 2018000084A1
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optionally substituted
hydrogen
mmol
compounds
formula
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US15/540,569
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Inventor
Chenglin Yao
Jeremy Wilmot
Jared W. RIGOLI
Kevin G. Meyer
Brian A. Loy
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Corteva Agriscience LLC
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Dow AgroSciences LLC
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Priority to US15/540,569 priority Critical patent/US20180000084A1/en
Publication of US20180000084A1 publication Critical patent/US20180000084A1/en
Assigned to DOW AGROSCIENCES LLC reassignment DOW AGROSCIENCES LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LOY, BRIAN A., MEYER, KEVIN G., RIGOLI, JARED W., WILMOT, JEREMY, YAO, CHENGLIN
Abandoned legal-status Critical Current

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    • 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
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
    • A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
    • 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • 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
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
    • A01N47/18—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, directly attached to a heterocyclic or cycloaliphatic ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
    • C07C229/04—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
    • C07C229/06—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton
    • C07C229/08—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton the nitrogen atom of the amino group being further bound to hydrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C271/06—Esters of carbamic acids
    • C07C271/08—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms
    • C07C271/10—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C271/22—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by carboxyl groups
    • 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
    • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/81—Amides; Imides
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/02—Systems containing only non-condensed rings with a three-membered ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/04—Systems containing only non-condensed rings with a four-membered ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/06—Systems containing only non-condensed rings with a five-membered ring
    • C07C2601/08—Systems containing only non-condensed rings with a five-membered ring the ring being saturated
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14—The ring being saturated

Definitions

  • Fungicides are compounds, of natural or synthetic origin, which act to protect and/or cure plants against damage caused by agriculturally relevant fungi. Generally, no single fungicide is useful in all situations. Consequently, research is ongoing to produce fungicides that may have better performance, are easier to use, and cost less.
  • the present disclosure relates to picolinamides and their use as fungicides.
  • the compounds of the present disclosure may offer protection against ascomycetes, basidiomycetes, deuteromycetes and oomycetes.
  • X is hydrogen or C(O)R 5 ;
  • Y is hydrogen, C(O)R 5 , or Q;
  • R 1 and R 11 are independently chosen from hydrogen or alkyl, optionally substituted with 0, 1 or multiple R 8 ; alternatively, R 1 and R 11 may be taken together to form a 3-6 membered saturated or partially saturated carbocyclic or heterocyclic ring, optionally substituted with 0, 1 or multiple R 8 ;
  • R 2 and R 12 are independently chosen from hydrogen, alkyl, aryl, or alkenyl, each optionally substituted with 0, 1 or multiple R 8 ;
  • R 3 is methyl
  • R 4 is chosen from alkyl, aryl, or acyl, each optionally substituted with 0, 1 or multiple R 8 ;
  • R 5 is chosen from alkoxy or benzyloxy, each optionally substituted with 0, 1, or multiple R 8 ;
  • R 6 is chosen from hydrogen, alkoxy, or halo, each optionally substituted with 0, 1, or multiple R 8 ;
  • R 7 is chosen from hydrogen, —C(O)R 9 , or —CH 2 OC(O)R 9 ;
  • R 8 is chosen from hydrogen, alkyl, aryl, acyl, halo, alkenyl, alkoxy, or heterocyclyl, each optionally substituted with 0, 1, or multiple R 10 ,
  • R 9 is chosen from alkyl, alkoxy, or aryl, each optionally substituted with 0, 1, or multiple R 8 ;
  • R 10 is chosen from hydrogen, alkyl, aryl, acyl, halo, alkenyl, alkoxy, or heterocyclyl.
  • Another embodiment of the present disclosure may include a fungicidal composition for the control or prevention of fungal attack comprising the compounds described above and a phytologically acceptable carrier material.
  • Yet another embodiment of the present disclosure may include a method for the control or prevention of fungal attack on a plant, the method including the steps of applying a fungicidally effective amount of one or more of the compounds described above to at least one of the fungus, the plant, and an area adjacent to the plant.
  • alkyl refers to a branched, unbranched, or saturated cyclic carbon chain, including, but not limited to, methyl, ethyl, propyl, butyl, isopropyl, isobutyl, tertiary butyl, pentyl, hexyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, and the like.
  • alkenyl refers to a branched, unbranched or cyclic carbon chain containing one or more double bonds including, but not limited to, ethenyl, propenyl, butenyl, isopropenyl, isobutenyl, cyclobutenyl, cyclopentenyl, cyclohexenyl, and the like.
  • alkynyl refers to a branched or unbranched carbon chain containing one or more triple bonds including, but not limited to, propynyl, butynyl, and the like.
  • aryl and “Ar” refer to any aromatic ring, mono- or bi-cyclic, containing 0 heteroatoms.
  • heterocyclyl refers to any aromatic or non-aromatic ring, mono- or bi-cyclic, containing one or more heteroatoms.
  • alkoxy refers to an —OR substituent.
  • acyloxy refers to an —OC(O)R substituent.
  • cyano refers to a —C ⁇ N substituent.
  • hydroxyl refers to an —OH substituent.
  • amino refers to a —N(R) 2 substituent.
  • arylalkoxy refers to —O(CH 2 ) n Ar where n is an integer selected from the list 1, 2, 3, 4, 5, or 6.
  • haloalkoxy refers to an —OR—X substituent, wherein X is Cl, F, Br, or I, or any combination thereof.
  • haloalkyl refers to an alkyl, which is substituted with Cl, F, I, or Br or any combination thereof.
  • halogen refers to one or more halogen atoms, defined as F, Cl, Br, and I.
  • nitro refers to a —NO 2 substituent.
  • thioalkyl refers to an —SR substituent.
  • Formula I is read as also including all stereoisomers, for example diastereomers, enantiomers, and mixtures thereof.
  • Formula I is read as also including salts or hydrates thereof.
  • Exemplary salts include, but are not limited to: hydrochloride, hydrobromide, hydroiodide, trifluoroacetate, and trifluoromethane sulfonate.
  • Another embodiment of the present disclosure is a use of a compound of Formula I, for protection of a plant against attack by a phytopathogenic organism or the treatment of a plant infested by a phytopathogenic organism, comprising the application of a compound of Formula I, or a composition comprising the compound to soil, a plant, a part of a plant, foliage, and/or roots.
  • composition useful for protecting a plant against attack by a phytopathogenic organism and/or treatment of a plant infested by a phytopathogenic organism comprising a compound of Formula I and a phytologically acceptable carrier material.
  • the compounds of the present disclosure may be applied by any of a variety of known techniques, either as the compounds or as formulations comprising the compounds.
  • the compounds may be applied to the roots or foliage of plants for the control of various fungi, without damaging the commercial value of the plants.
  • the materials may be applied in the form of any of the generally used formulation types, for example, as solutions, dusts, wettable powders, flowable concentrate, or emulsifiable concentrates.
  • the compounds of the present disclosure are applied in the form of a formulation, comprising one or more of the compounds of Formula I with a phytologically acceptable carrier.
  • Concentrated formulations may be dispersed in water, or other liquids, for application, or formulations may be dust-like or granular, which may then be applied without further treatment.
  • the formulations can be prepared according to procedures that are conventional in the agricultural chemical art.
  • the present disclosure contemplates all vehicles by which one or more of the compounds may be formulated for delivery and use as a fungicide.
  • formulations are applied as aqueous suspensions or emulsions.
  • Such suspensions or emulsions may be produced from water-soluble, water-suspendible, or emulsifiable formulations which are solids, usually known as wettable powders; or liquids, usually known as emulsifiable concentrates, aqueous suspensions, or suspension concentrates.
  • any material to which these compounds may be added may be used, provided it yields the desired utility without significant interference with the activity of these compounds as antifungal agents.
  • Wettable powders which may be compacted to form water-dispersible granules, comprise an intimate mixture of one or more of the compounds of Formula I, an inert carrier and surfactants.
  • concentration of the compound in the wettable powder may be from about 10 percent to about 90 percent by weight based on the total weight of the wettable powder, more preferably about 25 weight percent to about 75 weight percent.
  • the compounds may be compounded with any finely divided solid, such as prophyllite, talc, chalk, gypsum, Fuller's earth, bentonite, attapulgite, starch, casein, gluten, montmorillonite clays, diatomaceous earths, purified silicates or the like.
  • the finely divided carrier and surfactants are typically blended with the compound(s) and milled.
  • Emulsifiable concentrates of the compounds of Formula I may comprise a convenient concentration, such as from about 1 weight percent to about 50 weight percent of the compound, in a suitable liquid, based on the total weight of the concentrate.
  • the compounds may be dissolved in an inert carrier, which is either a water-miscible solvent or a mixture of water-immiscible organic solvents, and emulsifiers.
  • the concentrates may be diluted with water and oil to form spray mixtures in the form of oil-in-water emulsions.
  • Useful organic solvents include aromatics, especially the high-boiling naphthalenic and olefinic portions of petroleum such as heavy aromatic naphtha. Other organic solvents may also be used, for example, terpenic solvents, including rosin derivatives, aliphatic ketones, such as cyclohexanone, and complex alcohols, such as 2-ethoxyethanol.
  • Emulsifiers which may be advantageously employed herein may be readily determined by those skilled in the art and include various nonionic, anionic, cationic and amphoteric emulsifiers, or a blend of two or more emulsifiers.
  • nonionic emulsifiers useful in preparing the emulsifiable concentrates include the polyalkylene glycol ethers and condensation products of alkyl and aryl phenols, aliphatic alcohols, aliphatic amines or fatty acids with ethylene oxide, propylene oxides such as the ethoxylated alkyl phenols and carboxylic esters solubilized with the polyol or polyoxyalkylene.
  • Cationic emulsifiers include quaternary ammonium compounds and fatty amine salts.
  • Anionic emulsifiers include the oil-soluble salts (e.g., calcium) of alkylaryl sulfonic acids, oil-soluble salts or sulfated polyglycol ethers and appropriate salts of phosphated polyglycol ether.
  • organic liquids which may be employed in preparing the emulsifiable concentrates of the compounds of the present disclosure are the aromatic liquids such as xylene, propyl benzene fractions; or mixed naphthalene fractions, mineral oils, substituted aromatic organic liquids such as dioctyl phthalate; kerosene; dialkyl amides of various fatty acids, particularly the dimethyl amides of fatty glycols and glycol derivatives such as the n-butyl ether, ethyl ether or methyl ether of diethylene glycol, the methyl ether of triethylene glycol, petroleum fractions or hydrocarbons such as mineral oil, aromatic solvents, paraffinic oils, and the like; vegetable oils such as soybean oil, rapeseed oil, olive oil, castor oil, sunflower seed oil, coconut oil, corn oil, cottonseed oil, linseed oil, palm oil, peanut oil, safflower oil, sesame oil, tung oil and the like; esters of
  • Organic liquids include xylene, and propyl benzene fractions, with xylene being most preferred in some cases.
  • Surface-active dispersing agents are typically employed in liquid formulations and in an amount of from 0.1 to 20 percent by weight based on the combined weight of the dispersing agent with one or more of the compounds.
  • the formulations can also contain other compatible additives, for example, plant growth regulators and other biologically active compounds used in agriculture.
  • Aqueous suspensions comprise suspensions of one or more water-insoluble compounds of Formula I, dispersed in an aqueous vehicle at a concentration in the range from about 1 to about 50 weight percent, based on the total weight of the aqueous suspension.
  • Suspensions are prepared by finely grinding one or more of the compounds, and vigorously mixing the ground material into a vehicle comprised of water and surfactants chosen from the same types discussed above.
  • Other components such as inorganic salts and synthetic or natural gums, may also be added to increase the density and viscosity of the aqueous vehicle.
  • the compounds of Formula I can also be applied as granular formulations, which are particularly useful for applications to the soil.
  • Granular formulations generally contain from about 0.5 to about 10 weight percent, based on the total weight of the granular formulation of the compound(s), dispersed in an inert carrier which consists entirely or in large part of coarsely divided inert material such as attapulgite, bentonite, diatomite, clay or a similar inexpensive substance.
  • Such formulations are usually prepared by dissolving the compounds in a suitable solvent and applying it to a granular carrier which has been preformed to the appropriate particle size, in the range of from about 0.5 to about 3 mm.
  • a suitable solvent is a solvent in which the compound is substantially or completely soluble.
  • Such formulations may also be prepared by making a dough or paste of the carrier and the compound and solvent, and crushing and drying to obtain the desired granular particle.
  • Dusts containing the compounds of Formula I may be prepared by intimately mixing one or more of the compounds in powdered form with a suitable dusty agricultural carrier, such as, for example, kaolin clay, ground volcanic rock, and the like. Dusts can suitably contain from about 1 to about 10 weight percent of the compounds, based on the total weight of the dust.
  • a suitable dusty agricultural carrier such as, for example, kaolin clay, ground volcanic rock, and the like. Dusts can suitably contain from about 1 to about 10 weight percent of the compounds, based on the total weight of the dust.
  • the formulations may additionally contain adjuvant surfactants to enhance deposition, wetting, and penetration of the compounds onto the target crop and organism.
  • adjuvant surfactants may optionally be employed as a component of the formulation or as a tank mix.
  • the amount of adjuvant surfactant will typically vary from 0.01 to 1.0 percent by volume, based on a spray-volume of water, preferably 0.05 to 0.5 volume percent.
  • Suitable adjuvant surfactants include, but are not limited to ethoxylated nonyl phenols, ethoxylated synthetic or natural alcohols, salts of the esters or sulfosuccinic acids, ethoxylated organosilicones, ethoxylated fatty amines, blends of surfactants with mineral or vegetable oils, crop oil concentrate (mineral oil (85%)+emulsifiers (15%)); nonylphenol ethoxylate; benzylcocoalkyldimethyl quaternary ammonium salt; blend of petroleum hydrocarbon, alkyl esters, organic acid, and anionic surfactant; C 9 -C 11 alkylpolyglycoside; phosphated alcohol ethoxylate; natural primary alcohol (C 12 -C 16 ) ethoxylate; di-sec-butylphenol EO-PO block copolymer; polysiloxane-methyl cap; nonylphenol ethoxylate+urea ammoni
  • the formulations may optionally include combinations that contain other pesticidal compounds.
  • additional pesticidal compounds may be fungicides, insecticides, herbicides, nematocides, miticides, arthropodicides, bactericides or combinations thereof that are compatible with the compounds of the present disclosure in the medium selected for application, and not antagonistic to the activity of the present compounds.
  • the other pesticidal compound is employed as a supplemental toxicant for the same or for a different pesticidal use.
  • the compounds of Formula I and the pesticidal compound in the combination can generally be present in a weight ratio of from 1:100 to100:1.
  • the compounds of the present disclosure may also be combined with other fungicides to form fungicidal mixtures and synergistic mixtures thereof.
  • the fungicidal compounds of the present disclosure are often applied in conjunction with one or more other fungicides to control a wider variety of undesirable diseases.
  • the presently claimed compounds may be formulated with the other fungicide(s), tank-mixed with the other fungicide(s) or applied sequentially with the other fungicide(s).
  • Such other fungicides may include 2-(thiocyanatomethylthio)-benzothiazole, 2-phenylphenol, 8-hydroxyquinoline sulfate, ametoctradin, amisulbrom, antimycin, Ampelomyces quisqualis, azaconazole, azoxystrobin, Bacillus subtilis, Bacillus subtilis strain QST713, benalaxyl, benomyl, benthiavalicarb-isopropyl, benzovindiflupyr, benzylaminobenzene-sulfonate (BABS) salt, bicarbonates, biphenyl, bismerthiazol, bitertanol, bixafen, blasticidin-S, borax, Bordeaux mixture, boscalid, bromuconazole, bupirimate, calcium polysulfide, captafol, captan, carbendazim, carboxin, carpropamid, carvone, chlazafenone
  • the compounds described herein may be combined with other pesticides, including insecticides, nematocides, miticides, arthropodicides, bactericides or combinations thereof that are compatible with the compounds of the present disclosure in the medium selected for application, and not antagonistic to the activity of the present compounds to form pesticidal mixtures and synergistic mixtures thereof.
  • the fungicidal compounds of the present disclosure may be applied in conjunction with one or more other pesticides to control a wider variety of undesirable pests.
  • the presently claimed compounds may be formulated with the other pesticide(s), tank-mixed with the other pesticide(s) or applied sequentially with the other pesticide(s).
  • Typical insecticides include, but are not limited to: 1,2-dichloropropane, abamectin, acephate, acetamiprid, acethion, acetoprole, acrinathrin, acrylonitrile, afidopyropen, alanycarb, aldicarb, aldoxycarb, aldrin, allethrin, allosamidin, allyxycarb, alpha-cypermethrin, alpha-ecdysone, alpha-endosulfan, amidithion, aminocarb, amiton, amiton oxalate, amitraz, anabasine, athidathion, azadirachtin, azamethiphos, azinphos-ethyl, azinphos-methyl, azothoate, barium hexafluorosilicate, barthrin, bendiocarb, benfuracarb, bensul
  • the compounds described herein may be combined with herbicides that are compatible with the compounds of the present disclosure in the medium selected for application, and not antagonistic to the activity of the present compounds to form pesticidal mixtures and synergistic mixtures thereof.
  • the fungicidal compounds of the present disclosure may be applied in conjunction with one or more herbicides to control a wide variety of undesirable plants.
  • the presently claimed compounds may be formulated with the herbicide(s), tank-mixed with the herbicide(s) or applied sequentially with the herbicide(s).
  • Typical herbicides include, but are not limited to: 4-CPA; 4-CPB; 4-CPP; 2,4-D; 3,4-DA; 2,4-DB; 3,4-DB; 2,4-DEB; 2,4-DEP; 3,4-DP; 2,3,6-TBA; 2,4,5-T; 2,4,5-TB; acetochlor, acifluorfen, aclonifen, acrolein, alachlor, allidochlor, alloxydim, allyl alcohol, alorac, ametridione, ametryn, amibuzin, amicarbazone, amidosulfuron, aminocyclopyrachlor, aminopyralid, amiprofos-methyl, amitrole, ammonium sulfamate, anilofos, anisuron, asulam, atraton, atrazine, azafenidin, azimsulfuron, aziprotryne, barban, BCPC, beflubutamid, benazolin, ben
  • Another embodiment of the present disclosure is a method for the control or prevention of fungal attack.
  • This method comprises applying to the soil, plant, roots, foliage, or locus of the fungus, or to a locus in which the infestation is to be prevented (for example applying to cereal or grape plants), a fungicidally effective amount of one or more of the compounds of Formula I.
  • the compounds are suitable for treatment of various plants at fungicidal levels, while exhibiting low phytotoxicity.
  • the compounds may be useful both in a protectant and/or an eradicant fashion.
  • the compounds have been found to have significant fungicidal effect particularly for agricultural use. Many of the compounds are particularly effective for use with agricultural crops and horticultural plants.
  • the compounds have broad ranges of activity against fungal pathogens.
  • exemplary pathogens may include, but are not limited to, causing agent of wheat leaf blotch ( Zymoseptoria tritici ), wheat brown rust ( Puccinia triticina ), wheat stripe rust ( Puccinia striiformis ), scab of apple ( Venturia inaequalis ), powdery mildew of grapevine ( Uncinula necator ), barley scald ( Rhynchosporium secalis ), blast of rice ( Pyricularia oryzae ), rust of soybean ( Phakopsora pachyrhizi ), glume blotch of wheat ( Leptosphaeria nodorum ), powdery mildew of wheat ( Blumeria graminis f.
  • the exact amount of the active material to be applied is dependent not only on the specific active material being applied, but also on the particular action desired, the fungal species to be controlled, and the stage of growth thereof, as well as the part of the plant or other product to be contacted with the compound. Thus, all the compounds, and formulations containing the same, may not be equally effective at similar concentrations or against the same fungal species.
  • the compounds are effective in use with plants in a disease-inhibiting and phytologically acceptable amount.
  • disease-inhibiting and phytologically acceptable amount refers to an amount of a compound that kills or inhibits the plant disease for which control is desired, but is not significantly toxic to the plant. This amount will generally be from about 0.1 to about 1000 ppm (parts per million), with 1 to 500 ppm being preferred.
  • concentration of compound required varies with the fungal disease to be controlled, the type of formulation employed, the method of application, the particular plant species, climate conditions, and the like.
  • a suitable application rate is typically in the range from about 0.10 to about 4 pounds/acre (about 0.01 to 0.45 grams per square meter, g/m 2 ).
  • the compounds of Formula I may be made using well-known chemical procedures. Intermediates not specifically mentioned in this disclosure are either commercially available, may be made by routes disclosed in the chemical literature, or may be readily synthesized from commercial starting materials utilizing standard procedures.
  • Compounds of Formula 1.2, wherein R 8 is as originally defined can be prepared by the method shown in Scheme 1, step a.
  • the compound of Formula 1.1 can be treated with a base, such as N-Cyclohexyl-N-methylcyclohexanamine, in the presence of triphenylbismuth(V) acetate and copper(II) acetate in a solvent, such as toluene at a temperature of about 23° C. to 40° C. to afford compounds of Formula 1.2, wherein R 8 is as previously defined, as shown in a.
  • compounds of Formula 1.2, wherein R 8 is as originally defined can be prepared by the method shown in Scheme 1, step b.
  • the compound of Formula 1.1 can be treated with a triarylbismuth(III) reagent (prepared according to the method presented in Synthetic Commun. 1996, 26 (24), 4569-4575), such as tris(4-fluoro-2-methylphenyl)bismuthane, in the presence of an oxidant, such as peracetic acid, and a catalyst, such as copper(II) acetate, in a solvent, such as dichloromethane at a temperature of about 23° C. to 40° C. to afford compounds of Formula 1.2, wherein R 8 is as previously defined, as shown in b.
  • Compounds of Formula 1.3, wherein R 8 is as originally defined can be prepared by the method shown in Scheme 1, step c.
  • the compound of Formula 1.1 can be treated with a catalyst, such as Tris(dibenzylideneacetone)dipalladium(0) (Pd 2 (dba) 3 ), and a ligand, such as diphenylphosphino ferrocine (dppf), in the presence of an allylic carbonate, such as (E)-tert-butyl (4,4,4-trifluorobut-2-en-1-yl) carbonate, in a solvent such as THF at a temperature of about 23° C. to 80° C. to afford compounds of Formula 1.3, wherein R 8 is as previously defined, as shown in c.
  • Compounds of Formula 1.4, wherein R 8 is as originally defined can be prepared by the method shown in Scheme 1, step d.
  • the compound of Formula 1.1 can be treated with (bromomethyl)benzene in the presence of silver(I) oxide and potassium iodide in a solvent, such as dichloromethane (DCM), at a temperature of about 23° C. to reflux to afford compounds of Formula 1.4, as shown in d.
  • a solvent such as dichloromethane (DCM)
  • Compounds of Formula 2.2 can be prepared by the method shown in Scheme 2, step a.
  • the compound of Formula 2.1 can be treated with 4-methoxybenzyl 2,2,2-trichloroacetimidate, in the presence of camphorsulfonic acid (CSA) in a solvent, such as DCM at a temperature of about 23° C. to afford compounds of Formula 2.2, as shown in a.
  • the compound of Formula 2.3 can be prepared by the method shown in Scheme 2, step b.
  • the compound of Formula 2.3 can be treated with triisopropylsilyl chloride, in the presence of a base such as imidazole, in a solvent such as dichloromethane (DCM) at a temperature of about 0° C. to afford compounds of Formula 2.3, as shown in b.
  • DCM dichloromethane
  • the compound of Formula 3.2 wherein R 2 is a previously defined, can be prepared by the method shown in Scheme 3, step a.
  • the compound of Formula 3.1 can be treated with tert-butyldimethylsilyl chloride, in the presence of a base such as imidazole, in a solvent such as dimethylformamide (DMF) at a temperature of about 23° C. to afford compounds of Formula 3.2, wherein R 2 is as previously defined, as shown in a.
  • a base such as imidazole
  • DMF dimethylformamide
  • Compounds of Formula 4.1 can be prepared by the method shown in Scheme 4, step a.
  • the compound of Formula 2.3 can be treated with a reducing agent, such as diisobutylaluminum hydride (DIBAL) in a solvent, such as DCM at a temperature of about ⁇ 78° C. to afford compounds of Formula 4.1, as shown in a.
  • DIBAL diisobutylaluminum hydride
  • Compounds of Formula 5.1, wherein R 2 is as previously defined can be prepared by the method shown in Scheme 5, step a.
  • the compound of Formula 3.2 can be treated with a reducing agent, such as diisobutylaluminum hydride (DIBAL) in a solvent, such as DCM at a temperature of about ⁇ 78° C. to afford compounds of Formula 5.1, wherein R 2 is as previously defined, as shown in a.
  • DIBAL diisobutylaluminum hydride
  • Compounds of Formula 6.2, wherein R 2 and R 4 are as previously defined can be prepared by the method shown in Scheme 4, step a.
  • the compound of Formula 6.1, wherein R 4 is as previously defined can be treated with a metallic nucleophile, such as R 2 -MgBr, and a reducing agent, such as lithium borohydride, in a solvent such as THF at a temperature of about 0° C. to ambient temperature to afford compounds of Formula 6.2, wherein R 2 and R 4 are as previously defined, as shown in a.
  • a metallic nucleophile such as R 2 -MgBr
  • a reducing agent such as lithium borohydride
  • Compounds of Formula 7.1, wherein R 2 and R 3 are as previously defined can be prepared by the method shown in Scheme 7, step a.
  • the compound of Formula 4.1, wherein R 3 is as previously defined can be treated with a metallic nucleophile, such as R 2 -MgBr, in a solvent such as diethyl ether at a temperature of about ⁇ 78° C. to ambient temperature to afford compounds of Formula 7.1, wherein R 2 and R 3 are as previously defined, as shown in a.
  • a metallic nucleophile such as R 2 -MgBr
  • Compounds of Formula 9.3, wherein R 2 is as previously defined can be prepared by the method shown in Scheme 9, steps a-b.
  • the compound of Formula 9.1 can be treated with a base, such as sodium hydride, and (bromomethyl)benzene in a solvent, such as DMF, at a temperature of about 0° C. to ambient temperature to afford compounds of Formula 9.2, as shown in a.
  • the compound of Formula 9.2, wherein R 2 is as previously defined can be treated with ceric ammonium nitrate in a solvent such as acetonitrile at a temperature of about 0° C. to afford compounds of Formula 9.3, wherein R 2 is as previously defined, as shown in b.
  • Compounds of Formula 10.4, wherein R 8 is as previously defined can be prepared by the method shown in Scheme 10, steps a-c.
  • the compound of Formula 10.1 can be treated with a base, such as sodium hydride, and 4-methoxybenzyl bromide in a solvent, such as DMF, at a temperature of about 0° C. to ambient temperature to afford compounds of Formula 10.2, as shown in a.
  • the compound of Formula 10.2 can be treated with tetrabutylammonium fluoride in a solvent such as THF at a temperature of about 0° C. to ambient temperature to afford compounds of Formula 10.3, as shown in b.
  • the compound of Formula 10.3 can be treated with a base, such as N-cyclohexyl-N-methylcyclohexanamine, in the presence of triphenylbismuth(V) acetate and copper(II) acetate in a solvent, such as toluene at a temperature of about 23° C. to 40° C. to afford compounds of Formula 10.4, wherein R 8 is as previously defined, as shown in c.
  • a base such as N-cyclohexyl-N-methylcyclohexanamine
  • Compounds of Formula 11.3, wherein R 8 is as previously defined can be prepared by the method shown in Scheme 11, steps a-b.
  • the compound of Formula 11.1 can be treated with a base, such as potassium tert-butoxide, in the presence of 1,2,4-trifluorobenzene in a solvent, such as DMF at a temperature of about 23° C. to 60° C. to afford compounds of Formula 11.2, wherein R 8 is as previously defined, as shown in a.
  • the compound of Formula 11.2 can be treated with tetrabutylammonium fluoride in a solvent such as THF at a temperature of about 0° C. to ambient temperature to afford compounds of Formula 11.3, wherein R 8 is as previously defined, as shown in b.
  • Compounds of Formula 12.4, wherein R 4 is as previously defined can be prepared by the method shown in Scheme 12, steps a-c.
  • the compound of Formula 12.1 can be treated with a base, such as lithium borohydride, and a methylating reagent, such as methylithium, in a solvent such as diethyl ether at a temperature of about ⁇ 78° C. to ambient temperature to afford compounds of Formula 12.2, as shown in a.
  • a base such as lithium borohydride
  • a methylating reagent such as methylithium
  • the compound of Formula 12.2 can be treated with a base, such as sodium hydride, a catalyst, such as tetrabutylammonium iodide (TBAI), and an alkyl bromide, such as R 4 -Br wherein R 4 is as previously defined, in a solvent such as THF at a temperature of about 23° C. to refluxing temperature to afford compounds of Formula 12.3, as shown in b.
  • a base such as sodium hydride
  • TBAI tetrabutylammonium iodide
  • R 4 alkyl bromide
  • R 4 alkyl bromide
  • the compound of Formula 13.1, wherein R 2 and R 8 are as previously defined can be treated with a hydrogenation catalyst, such as palladium on carbon, in a solvent mixture such as 1:2 cyclohexene:ethanol at a temperature of about ambient temperature to about 70° C. to afford compounds of Formula 13.2, wherein R 2 and R 8 are as previously defined, as shown in b.
  • a hydrogenation catalyst such as palladium on carbon
  • the compound of Formula 14.2, wherein R 4 is as previously defined can be treated with a methylating agent, such as trimethyloxonium tetrafluoroborate, and a proton scavenger, such as N 1 ,N 1 ,N 8 ,N 8 -tetramethylnaphthalene-1,8-diamine, in a solvent such as dichloromethane, at a temperature of about 23° C., to afford compounds of Formula 14.3, wherein R 4 is as previously defined, as shown in b.
  • a methylating agent such as trimethyloxonium tetrafluoroborate
  • a proton scavenger such as N 1 ,N 1 ,N 8 ,N 8 -tetramethylnaphthalene-1,8-diamine
  • the compound of Formula 14.2, wherein R 4 is as previously defined can be treated with an allylating reagent, such as allyl bromide, in the presence of a base, such as sodium hydride, and a catalyst, such as tetrabutylammonium iodide, in a solvent, such as dimethylformamide, at a temperature of about 0° C. to ambient temperature, to afford compounds of Formula 14.4, wherein R 4 and R 10 are as previously defined, as shown in c.
  • an allylating reagent such as allyl bromide
  • a base such as sodium hydride
  • a catalyst such as tetrabutylammonium iodide
  • the compound of Formula 14.2, wherein R 4 is as previously defined can be treated with an alkylating reagent, such as benzyl bromide, in the presence of a base, such as sodium hydride, and a catalyst, such as tetrabutylammonium iodide, in a solvent, such as dimethylformamide, at a temperature of about 0° C. to ambient temperature, to afford compounds of Formula 14.5, wherein R 4 and R 10 are as previously defined, as shown in d.
  • an alkylating reagent such as benzyl bromide
  • a base such as sodium hydride
  • a catalyst such as tetrabutylammonium iodide
  • the compound of Formula 14.2 can be treated with a base, such as N-cyclohexyl-N-methylcyclohexanamine, in the presence of triphenylbismuth(V) acetate and copper(II) acetate in a solvent, such as toluene at a temperature of about 23° C. to 40° C. to afford compounds of Formula 14.6, wherein R 4 and R 10 is as previously defined, as shown in e.
  • a base such as N-cyclohexyl-N-methylcyclohexanamine
  • triphenylbismuth(V) acetate and copper(II) acetate in a solvent, such as toluene at a temperature of about 23° C. to 40° C.
  • the compounds of Formula 14.3, 14.4, 14.5 and 14.6, wherein R 4 and R 10 are as previously defined, can be treated with an oxidant, such as 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ), in a solvent such as DCM at a temperature of about 0° C. to ambient temperature to afford compounds of Formula 14.7, wherein R 4 and R 8 are as previously defined, as shown in f.
  • an oxidant such as 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ)
  • DDQ 2,3-dichloro-5,6-dicyano-1,4-benzoquinone
  • Compounds of Formula 15.3, wherein R 4 is as previously defined can be prepared by the method shown in Scheme 15, steps a-c.
  • the compound of Formula 14.1, wherein R 4 is as previously defined can be treated with an oxidant, such as ozone gas, in the presence of a base, such as sodium bicarbonate, followed by a reductant, such a dimethylsulfide, in a solvent mixture such as 1:10 methanol:dichloromethane, at a temperature of about ⁇ 78° C., to afford compounds of Formula 15.1, wherein R 4 is as previously defined, as shown in a.
  • the compound of Formula 15.1, wherein R 4 is as previously defined can be treated with a fluorinating agent, such as Deoxofluor®, in the presence of a catalyst such as methanol, in a solvent such as dichloromethane, at a temperature of about 0° C. to ambient temperature, to afford compounds of Formula 15.2, wherein R 4 is as previously defined, as shown in b.
  • a fluorinating agent such as Deoxofluor®
  • a catalyst such as methanol
  • a solvent such as dichloromethane
  • the compound of Formula 15.2, wherein R 4 is as previously defined can be treated with an oxidant, such as 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ), in a solvent such as DCM at a temperature of about 0° C. to ambient temperature to afford compounds of Formula 15.3, wherein R 4 is as previously defined, as shown in c.
  • DDQ 2,3-dichloro-5,6-d
  • Compounds of Formula 16.2, wherein R 2 and R 4 are as previously defined can be prepared by the method shown in Scheme 16, step a.
  • the compound of Formula 16.1, wherein R 2 and R 4 are as previously defined can be treated with (tent-butoxycarbonyl)-L-alanine in the presence of a peptide coupling regent, such as 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDCI), and a catalyst, such as dimethylamino pyridine (DMAP), in a solvent, such as DCM at a temperature of about 0° C. to ambient temperature to afford compounds of Formula 16.2, wherein R 2 and R 4 are as previously defined, as shown in a.
  • a peptide coupling regent such as 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDCI)
  • EDCI 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide
  • Compounds of Formula 17.2, wherein R 2 and Rg are as previously defined can be prepared by the method shown in Scheme 17, step a.
  • the compound of Formula 17.1, wherein R 2 and R 8 are as previously defined can be treated with a hydrogenation catalyst, such as palladium on carbon, under an atmosphere of hydrogen in a solvent such as ethyl acetate at a temperature of about ambient temperature to afford compounds of Formula 17.2, wherein R 2 and R 8 are as previously defined, as shown in a.
  • a hydrogenation catalyst such as palladium on carbon
  • Compounds of Formula 18.2, wherein R 2 and R 4 are as previously defined can be prepared by the method shown in Scheme 18, step a.
  • the compound of Formula 18.1, wherein R 2 and R 4 are as previously defined can be treated with an acid, such as 4M HCl in dioxane or trifluoroacetic acid (TFA), in a solvent such as DCM at a temperature of about ambient temperature to afford compounds of Formula 18.2, wherein R 2 and R 4 are as previously defined, as shown in a.
  • an acid such as 4M HCl in dioxane or trifluoroacetic acid (TFA)
  • TFA trifluoroacetic acid
  • Compounds of Formula 19.2, wherein R 2 , R 4 and R 6 are as previously defined can be prepared by the method shown in Scheme 19, step a.
  • the compound of Formula 18.2, wherein R 2 and R 4 are as previously defined can be treated with compounds of Formula 19.1, wherein R 6 is as previously defined, in the presence of a base, such as diisopropylethylamine (DIPEA), and a peptide coupling reagent, such as benzotriazol-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate (PyBOP), in an halogenated solvent like DCM at a temperature of about ambient temperature to afford compounds of Formula 19.2, wherein R 2 , R 4 and R 6 are as previously defined, as shown in a.
  • DIPEA diisopropylethylamine
  • PyBOP benzotriazol-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate
  • Compounds of Formula 20.1, wherein R 2 , R 4 , R 6 and R 7 are as previously defined, can be prepared by the method shown in Scheme 20, step a.
  • the compound of Formula 19.2, wherein R 2 , R 4 , and R 6 are as previously defined can be treated with an appropriate alkyl halide with or without a reagent such as sodium iodide (NaI) and an alkali carbonate base, such as sodium carbonate (Na 2 CO 3 ) or potassium carbonate (K 2 CO 3 ), in a solvent like acetone at a temperature of about 50° C., or by treatment with an acyl halide in the presence of an amine base, such as pyridine, triethylamine (Et 3 N), DMAP, or mixtures thereof, in an aprotic solvent such as DCM, at a temperature of about 23° C., to afford compounds of Formula 20.1, wherein R 2 , R 4 , R 6 and R 7 are as previously defined, as shown in a
  • chemistry in the following examples may be conducted using either enantiomer of 2-((tert-butoxycarbonyl)amino)propanoic acid (Boc-Ala-OH) or either protected (PMB or Bn) enantiomer of ethyl lactate.
  • Example 1A Preparation of ethyl (S)-2-phenoxypropanoate.
  • the reaction mixture was poured into a separatory funnel and washed with H 2 O (100 mL), saturated aqueous NaHCO 3 (100 mL), brine (100 mL), 1M HCl (100 mL), and then finally brine (100 mL).
  • the organic layer was passed through a phase separator and concentrated to afford a clear, colorless oil.
  • Step 1 Preparation of tris(4-fluoro-2-methylphenyl)bismuthane.
  • Step 2 Preparation of ethyl (S)-2-(4-fluoro-2-methylphenoxy)propanoate.
  • Step 1 Preparation of (2S,3S)-2-((4-methoxybenzyl)oxy)-3-phenoxybutanal.
  • Step 2 Preparation of 1-((((2S,3S)-1,1-difluoro-3-phenoxybutan-2-yl)oxy)methyl)-4-methoxybenzene.
  • the crude material was purified by flash column chromatography (SiO 2 , 0 ⁇ 10% ethyl acetate in hexanes). The product coeluted with undesiredp-anisaldehyde byproduct.
  • the material was diluted with DCM (2 mL), and PS-TsNHNH 2 (300 mg, solid support) was added and the mixture was stirred at rt for 1 h.
  • Step 1 Preparation of (2S,3R)-2-(3-chloro-5-fluorophenoxy)-4-methylpentan-3-yl L-alaninate hydrochloride.
  • Step 2 Preparation of (2S,3R)-2-(3-chloro-5-fluorophenoxy)-4-methylpentan-3-yl (3-hydroxy-4-methoxypicolinoyl)-L-alaninate.
  • Step 1 Preparation of (3R,4S)-2-methyl-4-((2-methylallyl)oxy)pentan-3-yl L-alaninate.
  • Step 2 Preparation of (3R,4S)-2-methyl-4-((2-methylallyl)oxy)pentan-3-yl (3-hydroxy-4-methoxypicolinoyl)-L-alaninate.
  • Leaf Blotch of Wheat ( Zymoseptoria tritici; Bayer code SEPTTR):
  • Wheat plants (variety Yuma) were grown from seed in a greenhouse in 50% mineral soil/50% soil-less Metro mix until the first leaf was fully emerged, with 7-10 seedlings per pot. These plants were inoculated with an aqueous spore suspension of Zymoseptoria tritici either prior to or after fungicide treatments. After inoculation the plants were kept in 100% relative humidity (one day in a dark dew chamber followed by two to three days in a lighted dew chamber at 20° C.) to permit spores to germinate and infect the leaf. The plants were then transferred to a greenhouse set at 20° C. for disease to develop. When disease symptoms were fully expressed on the 1 st leaves of untreated plants, infection levels were assessed on a scale of 0 to 100 percent disease severity. Percent disease control was calculated using the ratio of disease severity on treated plants relative to untreated plants.
  • Wheat plants (variety Yuma) were grown from seed in a greenhouse in 50% mineral soil/50% soil-less Metro mix until the first leaf was fully emerged, with 7-10 seedlings per pot. These plants were inoculated with an aqueous spore suspension of Puccinia triticina either prior to or after fungicide treatments. After inoculation the plants were kept in a dark dew room at 22° C. with 100% relative humidity overnight to permit spores to germinate and infect the leaf The plants were then transferred to a greenhouse set at 24° C. for disease to develop. Fungicide formulation, application and disease assessment followed the procedures as described in the Example A.
  • Wheat plants (variety Yuma) were grown from seed in a greenhouse in 50% mineral soil/50% soil-less Metro mix until the first leaf was fully emerged, with 7-10 seedlings per pot. These plants were inoculated with an aqueous spore suspension of Leptosphaeria nodorum 24 h after fungicide treatments. After inoculation the plants were kept in 100% relative humidity (one day in a dark dew chamber followed by two days in a lighted dew chamber at 20° C.) to permit spores to germinate and infect the leaf The plants were then transferred to a greenhouse set at 20° C. for disease to develop. Fungicide formulation, application and disease assessment followed the procedures as described in the Example A.
  • Apple seedlings (variety McIntosh) were grown in soil-less Metro mix, with one plant per pot. Seedlings with two expanding young leaves at the top (older leaves at bottom of the plants were trimmed) were used in the test. Plants were inoculated with a spore suspension of Venturia inaequalis 24 h after fungicide treatment and kept in a 22° C. dew chamber with 100% relative humidity for 48 h, and then moved to a greenhouse set at 20° C. for disease to develop. Fungicide formulation, application and disease assessment on the sprayed leaves followed the procedures as described in the Example A.
  • Leaf Spot of Sugar Beets (Cercospora beticola; Bayer code CERCBE):
  • Sugar beet plants (variety HH88) were grown in soil-less Metro mix and trimmed regularly to maintain a uniform plant size prior to test. Plants were inoculated with a spore suspension 24 h after fungicide treatments. Inoculated plants were kept in a dew chamber at 22° C. for 48 h then incubated in a greenhouse set at 24° C. under a clear plastic hood with bottom ventilation until disease symptoms were fully expressed. Fungicide formulation, application and disease assessment on the sprayed leaves followed the procedures as described in the Example A.
  • Asian Soybean Rust Phakopsora pachyrhizi; Bayer code PHAKPA
  • Soybean plants (variety Williams 82) were grown in soil-less Metro mix, with one plant per pot. Two weeks old seedlings were used for testing. Plants were inoculated either 3 days prior to or 1 day after fungicide treatments. Plants were incubated for 24 h in a dark dew room at 22° C. and 100% relative humidity then transferred to a growth room at 23° C. for disease to develop. Disease severity was assessed on the sprayed leaves.
  • Barley seedlings (variety Harrington) were propagated in soil-less Metro mix, with each pot having 8 to 12 plants, and used in the test when the first leaf was fully emerged.
  • Test plants were inoculated by an aqueous spore suspension of Rhyncosporium secalis 24 h after fungicide treatments. After inoculation the plants were kept in a dew room at 22° C. with 100% relative humidity for 48 h. The plants were then transferred to a greenhouse set at 20° C. for disease to develop. Fungicide formulation, application and disease assessment on the sprayed leaves followed the procedures as described in the Example A.
  • Rice Blast Pyricularia oryzae; Bayer code PYRIOR
  • Rice seedlings (variety Japonica) were propagated in soil-less Metro mix, with each pot having 8 to 14 plants, and used in the test when 12 to 14 days old.
  • Test plants were inoculated with an aqueous spore suspension of Pyricularia oryzae 24 h after fungicide treatments. After inoculation the plants were kept in a dew room at 22° C. with 100% relative humidity for 48 h to permit spores to germinate and infect the leaf. The plants were then transferred to a greenhouse set at 24° C. for disease to develop. Fungicide formulation, application and disease assessment on the sprayed leaves followed the procedures as described in the Example A.
  • Tomato Early Blight Alternaria solani; Bayer code ALTESO
  • Tomato plants (variety Outdoor Girl) were propagated in soil-less Metro mix, with each pot having one plant, and used when 12 to 14 days old. Test plants were inoculated with an aqueous spore suspension of Alternaria solani 24 h after fungicide treatments. After inoculation the plants were kept at 22° C. in 100% relative humidity for 48 h to permit spores to germinate and infect the leaf. The plants were then transferred to a growth room at 22° C. for disease to develop. Fungicide formulation, application and disease assessment on the sprayed leaves followed the procedures as described in the Example A.
  • Cucumber seedlings (variety Bush Pickle) were propagated in soil-less Metro mix, with each pot having one plant, and used in the test when 12 to 14 days old. Test plants were inoculated with an aqueous spore suspension of Colletotrichum lagenarium 24 hr after fungicide treatments. After inoculation the plants were kept in a dew room at 22° C. with 100% relative humidity for 48 hr to permit spores to germinate and infect the leaf. The plants were then transferred to a growth room set at 22° C. for disease to develop. Fungicide formulation, application and disease assessment on the sprayed leaves followed the procedures as described in the Example A.

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IL253110A0 (en) 2017-08-31
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CA2972403A1 (fr) 2016-07-07
BR112017013645A2 (pt) 2018-03-06
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US10188109B2 (en) 2019-01-29
BR112017013714B1 (pt) 2021-06-22
RU2017123619A3 (fr) 2019-02-07
JP6603720B2 (ja) 2019-11-06
AU2015374378B2 (en) 2018-02-15
CO2017006860A2 (es) 2017-11-30
BR112017013714B8 (pt) 2022-08-23
WO2016109302A1 (fr) 2016-07-07
CN107205398B (zh) 2020-08-21
RU2017123617A3 (fr) 2019-02-05
BR112017013714A2 (pt) 2018-01-02
TW201627289A (zh) 2016-08-01
NZ732657A (en) 2019-01-25
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UY36497A (es) 2016-07-29
AU2015374377B2 (en) 2019-03-28
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AU2015374378A1 (en) 2017-06-29
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CN107205398A (zh) 2017-09-26
AU2018203380A1 (en) 2018-05-31
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